diff --git a/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/FilterValue.java b/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/FilterValue.java
index 22bcf6e2f4..2b78b8cbb4 100644
--- a/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/FilterValue.java
+++ b/backend/src/main/java/com/bakdata/conquery/apiv1/query/concept/filter/FilterValue.java
@@ -75,7 +75,7 @@ public SqlFilters convertToSqlFilter(ConversionContext context, SqlTables<Concep
 		FilterContext<VALUE> filterContext = new FilterContext<>(value, context, conceptTables);
 		SqlFilters sqlFilters = filter.convertToSqlFilter(filterContext);
 		if (context.isNegation()) {
-			return new SqlFilters(sqlFilters.getSelects(), sqlFilters.getFilters().negated());
+			return new SqlFilters(sqlFilters.getSelects(), sqlFilters.getWhereClauses().negated());
 		}
 		return sqlFilters;
 	}
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Connector.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Connector.java
index 90ae303a4b..c55355d0cc 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Connector.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/Connector.java
@@ -14,6 +14,7 @@
 import com.bakdata.conquery.models.datasets.Column;
 import com.bakdata.conquery.models.datasets.Dataset;
 import com.bakdata.conquery.models.datasets.Table;
+import com.bakdata.conquery.models.datasets.concepts.conditions.CTCondition;
 import com.bakdata.conquery.models.datasets.concepts.filters.Filter;
 import com.bakdata.conquery.models.datasets.concepts.select.Select;
 import com.bakdata.conquery.models.identifiable.IdMap;
@@ -88,6 +89,9 @@ public Collection<Filter<?>> getFilters() {
 	@CheckForNull
 	public abstract Column getColumn();
 
+	@CheckForNull
+	public abstract CTCondition getCondition();
+
 	@JsonIgnore
 	public List<Select> getDefaultSelects() {
 		return getSelects()
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/AndCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/AndCondition.java
index 4bcf221150..216aa5fb5a 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/AndCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/AndCondition.java
@@ -9,23 +9,31 @@
 import com.bakdata.conquery.io.cps.CPSType;
 import com.bakdata.conquery.models.datasets.concepts.tree.ConceptTreeNode;
 import com.bakdata.conquery.models.exceptions.ConceptConfigurationException;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.ConditionType;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereConditionWrapper;
 import com.bakdata.conquery.util.CalculatedValue;
 import lombok.Getter;
 import lombok.Setter;
+import org.jooq.Condition;
 
 /**
  * This condition connects multiple conditions with an and.
  */
-@CPSType(id="AND", base=CTCondition.class)
+@CPSType(id = "AND", base = CTCondition.class)
 public class AndCondition implements CTCondition {
 
-	@Setter @Getter @Valid @NotEmpty
+	@Setter
+	@Getter
+	@Valid
+	@NotEmpty
 	private List<CTCondition> conditions;
 
 	@Override
 	public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap) throws ConceptConfigurationException {
-		for(CTCondition cond:conditions) {
-			if(!cond.matches(value, rowMap)) {
+		for (CTCondition cond : conditions) {
+			if (!cond.matches(value, rowMap)) {
 				return false;
 			}
 		}
@@ -34,8 +42,20 @@ public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap
 
 	@Override
 	public void init(ConceptTreeNode node) throws ConceptConfigurationException {
-		for(CTCondition cond:conditions) {
+		for (CTCondition cond : conditions) {
 			cond.init(node);
 		}
 	}
+
+	@Override
+	public WhereCondition convertToSqlCondition(CTConditionContext context) {
+		return conditions.stream()
+						 .map(condition -> condition.convertToSqlCondition(context))
+						 .map(WhereCondition::condition)
+						 .reduce(Condition::and)
+						 .map(condition -> new WhereConditionWrapper(condition, ConditionType.PREPROCESSING))
+						 .orElseThrow(
+								 () -> new IllegalStateException("At least one condition is required to convert %s to a SQL condition.".formatted(getClass()))
+						 );
+	}
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/CTCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/CTCondition.java
index 5d356a9e99..f0ac2defc7 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/CTCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/CTCondition.java
@@ -5,8 +5,11 @@
 import com.bakdata.conquery.io.cps.CPSBase;
 import com.bakdata.conquery.models.datasets.concepts.tree.ConceptTreeNode;
 import com.bakdata.conquery.models.exceptions.ConceptConfigurationException;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
 import com.bakdata.conquery.util.CalculatedValue;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
+
 /**
  * A general condition that serves as a guard for concept tree nodes.
  */
@@ -18,4 +21,6 @@ public default void init(ConceptTreeNode node) throws ConceptConfigurationExcept
 	
 	public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap) throws ConceptConfigurationException;
 
+	WhereCondition convertToSqlCondition(CTConditionContext context);
+
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/ColumnEqualCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/ColumnEqualCondition.java
index 1fe822ff6a..e8a8e327ae 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/ColumnEqualCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/ColumnEqualCondition.java
@@ -6,6 +6,9 @@
 import javax.validation.constraints.NotEmpty;
 
 import com.bakdata.conquery.io.cps.CPSType;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.MultiSelectCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
 import com.bakdata.conquery.util.CalculatedValue;
 import com.bakdata.conquery.util.CollectionsUtil;
 import com.fasterxml.jackson.annotation.JsonCreator;
@@ -13,6 +16,8 @@
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
+import org.jooq.Field;
+import org.jooq.impl.DSL;
 
 /**
  * This condition requires the value of another column to be equal to a given value.
@@ -39,4 +44,10 @@ public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap
 		}
 		return values.contains(checkedValue.toString());
 	}
-}
\ No newline at end of file
+
+	@Override
+	public WhereCondition convertToSqlCondition(CTConditionContext context) {
+		Field<String> field = DSL.field(DSL.name(context.getConnectorTable().getName(), column), String.class);
+		return new MultiSelectCondition(field, values.toArray(String[]::new), context.getFunctionProvider());
+	}
+}
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/EqualCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/EqualCondition.java
index c65878e3c2..1a8f0d098b 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/EqualCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/EqualCondition.java
@@ -6,12 +6,17 @@
 import javax.validation.constraints.NotEmpty;
 
 import com.bakdata.conquery.io.cps.CPSType;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.MultiSelectCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
 import com.bakdata.conquery.util.CalculatedValue;
 import com.bakdata.conquery.util.CollectionsUtil;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.Setter;
+import org.jooq.Field;
+import org.jooq.impl.DSL;
 
 /**
  * This condition requires each value to be exactly as given in the list.
@@ -28,10 +33,14 @@ public static EqualCondition create(Set<String> values) {
 		return new EqualCondition(CollectionsUtil.createSmallestSet(values));
 	}
 
-
-
 	@Override
 	public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap) {
 		return values.contains(value);
 	}
-}
\ No newline at end of file
+
+	@Override
+	public WhereCondition convertToSqlCondition(CTConditionContext context) {
+		Field<String> field = DSL.field(DSL.name(context.getConnectorTable().getName(), context.getConnectorColumn().getName()), String.class);
+		return new MultiSelectCondition(field, values.toArray(String[]::new), context.getFunctionProvider());
+	}
+}
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/GroovyCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/GroovyCondition.java
index d751278e7e..52c2ca56ee 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/GroovyCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/GroovyCondition.java
@@ -10,6 +10,8 @@
 import com.bakdata.conquery.models.common.Range;
 import com.bakdata.conquery.models.datasets.concepts.tree.ConceptTreeNode;
 import com.bakdata.conquery.models.exceptions.ConceptConfigurationException;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
 import com.bakdata.conquery.util.CalculatedValue;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import groovy.lang.GroovyShell;
@@ -74,6 +76,11 @@ public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap
 		}
 	}
 
+	@Override
+	public WhereCondition convertToSqlCondition(CTConditionContext context) {
+		throw new UnsupportedOperationException("SQL conversion of CTCondition %s not supported yet.".formatted(getClass()));
+	}
+
 
 	public abstract static class ConditionScript extends Script {
 
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/IsPresentCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/IsPresentCondition.java
index 567d9b2001..0db1083b1f 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/IsPresentCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/IsPresentCondition.java
@@ -3,10 +3,16 @@
 import java.util.Map;
 
 import com.bakdata.conquery.io.cps.CPSType;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.ConditionType;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereConditionWrapper;
 import com.bakdata.conquery.util.CalculatedValue;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.Setter;
+import org.jooq.Condition;
+import org.jooq.impl.DSL;
 
 /**
  * This condition requires that the selected Column has a value.
@@ -22,4 +28,10 @@ public class IsPresentCondition implements CTCondition {
 	public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap) {
 		return rowMap.getValue().containsKey(column);
 	}
-}
\ No newline at end of file
+
+	@Override
+	public WhereCondition convertToSqlCondition(CTConditionContext context) {
+		Condition condition = DSL.field(DSL.name(context.getConnectorTable().getName(), column)).isNotNull();
+		return new WhereConditionWrapper(condition, ConditionType.PREPROCESSING);
+	}
+}
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/NotCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/NotCondition.java
index d07aacf91d..01a2f319b6 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/NotCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/NotCondition.java
@@ -7,6 +7,8 @@
 import com.bakdata.conquery.io.cps.CPSType;
 import com.bakdata.conquery.models.datasets.concepts.tree.ConceptTreeNode;
 import com.bakdata.conquery.models.exceptions.ConceptConfigurationException;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
 import com.bakdata.conquery.util.CalculatedValue;
 import lombok.Getter;
 import lombok.Setter;
@@ -29,4 +31,10 @@ public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap
 	public void init(ConceptTreeNode node) throws ConceptConfigurationException {
 		condition.init(node);
 	}
+
+	@Override
+	public WhereCondition convertToSqlCondition(CTConditionContext context) {
+		WhereCondition whereCondition = condition.convertToSqlCondition(context);
+		return whereCondition.negate();
+	}
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/OrCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/OrCondition.java
index bc69e0ab82..9856705ab5 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/OrCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/OrCondition.java
@@ -9,33 +9,53 @@
 import com.bakdata.conquery.io.cps.CPSType;
 import com.bakdata.conquery.models.datasets.concepts.tree.ConceptTreeNode;
 import com.bakdata.conquery.models.exceptions.ConceptConfigurationException;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.ConditionType;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereConditionWrapper;
 import com.bakdata.conquery.util.CalculatedValue;
 import lombok.Getter;
 import lombok.Setter;
+import org.jooq.Condition;
 
 /**
  * This condition connects multiple conditions with an or.
  */
-@CPSType(id="OR", base=CTCondition.class)
+@CPSType(id = "OR", base = CTCondition.class)
 public class OrCondition implements CTCondition {
 
-	@Setter @Getter @Valid @NotEmpty
+	@Setter
+	@Getter
+	@Valid
+	@NotEmpty
 	private List<CTCondition> conditions;
-	
+
 	@Override
 	public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap) throws ConceptConfigurationException {
-		for(CTCondition cond:conditions) {
-			if(cond.matches(value, rowMap)) {
+		for (CTCondition cond : conditions) {
+			if (cond.matches(value, rowMap)) {
 				return true;
 			}
 		}
 		return false;
 	}
-	
+
 	@Override
 	public void init(ConceptTreeNode node) throws ConceptConfigurationException {
-		for(CTCondition cond:conditions) {
+		for (CTCondition cond : conditions) {
 			cond.init(node);
 		}
 	}
+
+	@Override
+	public WhereCondition convertToSqlCondition(CTConditionContext context) {
+		return conditions.stream()
+						 .map(condition -> condition.convertToSqlCondition(context))
+						 .map(WhereCondition::condition)
+						 .reduce(Condition::or)
+						 .map(condition -> new WhereConditionWrapper(condition, ConditionType.PREPROCESSING))
+						 .orElseThrow(
+								 () -> new IllegalStateException("At least one condition is required to convert %s to a SQL condition.".formatted(getClass()))
+						 );
+	}
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/PrefixCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/PrefixCondition.java
index 3014783520..07abf512a2 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/PrefixCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/PrefixCondition.java
@@ -1,34 +1,51 @@
 package com.bakdata.conquery.models.datasets.concepts.conditions;
 
+import java.util.Arrays;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 import javax.validation.constraints.NotEmpty;
 
 import com.bakdata.conquery.io.cps.CPSType;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.ConditionType;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereConditionWrapper;
 import com.bakdata.conquery.util.CalculatedValue;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
+import org.jooq.Condition;
+import org.jooq.Field;
+import org.jooq.impl.DSL;
 
 /**
  * This condition requires each value to start with one of the given values.
  */
-@CPSType(id="PREFIX_LIST", base=CTCondition.class)
+@CPSType(id = "PREFIX_LIST", base = CTCondition.class)
 @ToString
 public class PrefixCondition implements CTCondition {
 
-	@Setter @Getter @NotEmpty
+	@Setter
+	@Getter
+	@NotEmpty
 	private String[] prefixes;
 
 	@Override
 	public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap) {
-		for(String p:prefixes) {
-			if(value.startsWith(p)) {
+		for (String p : prefixes) {
+			if (value.startsWith(p)) {
 				return true;
 			}
 		}
 		return false;
 	}
 
-	
+	@Override
+	public WhereCondition convertToSqlCondition(CTConditionContext context) {
+		Field<String> field = DSL.field(DSL.name(context.getConnectorTable().getName(), context.getConnectorColumn().getName()), String.class);
+		String pattern = Arrays.stream(prefixes).collect(Collectors.joining("|", "", "%"));
+		Condition condition = context.getFunctionProvider().likeRegex(field, pattern);
+		return new WhereConditionWrapper(condition, ConditionType.PREPROCESSING);
+	}
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/PrefixRangeCondition.java b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/PrefixRangeCondition.java
index 6960eae307..fef3ba818f 100644
--- a/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/PrefixRangeCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/models/datasets/concepts/conditions/PrefixRangeCondition.java
@@ -5,11 +5,18 @@
 import javax.validation.constraints.NotEmpty;
 
 import com.bakdata.conquery.io.cps.CPSType;
+import com.bakdata.conquery.sql.conversion.cqelement.concept.CTConditionContext;
+import com.bakdata.conquery.sql.conversion.model.filter.ConditionType;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereConditionWrapper;
 import com.bakdata.conquery.util.CalculatedValue;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import io.dropwizard.validation.ValidationMethod;
 import lombok.Getter;
 import lombok.Setter;
+import org.jooq.Condition;
+import org.jooq.Field;
+import org.jooq.impl.DSL;
 
 /**
  * This condition requires each value to start with a prefix between the two given values
@@ -17,6 +24,8 @@
 @CPSType(id="PREFIX_RANGE", base=CTCondition.class)
 public class PrefixRangeCondition implements CTCondition {
 
+	private static final String ANY_CHAR_REGEX = ".*";
+
 	@Getter @Setter @NotEmpty
 	private String min;
 	@Getter @Setter @NotEmpty
@@ -30,7 +39,6 @@ public boolean isValidMinMax() {
 		return min.compareTo(max)<0;
 	}
 
-
 	@Override
 	public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap) {
 		if(value.length()>=min.length()) {
@@ -40,4 +48,28 @@ public boolean matches(String value, CalculatedValue<Map<String, Object>> rowMap
 		return false;
 	}
 
+	@Override
+	public WhereCondition convertToSqlCondition(CTConditionContext context) {
+		Field<String> field = DSL.field(DSL.name(context.getConnectorTable().getName(), context.getConnectorColumn().getName()), String.class);
+		String pattern = buildSqlRegexPattern();
+		Condition regexCondition = context.getFunctionProvider().likeRegex(field, pattern);
+		return new WhereConditionWrapper(regexCondition, ConditionType.PREPROCESSING);
+	}
+
+	private String buildSqlRegexPattern() {
+		StringBuilder builder = new StringBuilder();
+		char[] minChars = min.toCharArray();
+		char[] maxChars = max.toCharArray();
+		for (int i = 0; i < minChars.length; i++) {
+			char minChar = minChars[i];
+			char maxChar = maxChars[i];
+			if (minChar != maxChar) {
+				builder.append("[%s-%s]".formatted(minChar, maxChar));
+			}
+			else {
+				builder.append(minChar);
+			}
+		}
+		return builder.append(ANY_CHAR_REGEX).toString();
+	}
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/AggregationFilterCte.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/AggregationFilterCte.java
index 2e2fededac..b6e35bb525 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/AggregationFilterCte.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/AggregationFilterCte.java
@@ -4,7 +4,7 @@
 
 import com.bakdata.conquery.sql.conversion.model.QueryStep;
 import com.bakdata.conquery.sql.conversion.model.Selects;
-import com.bakdata.conquery.sql.conversion.model.filter.FilterCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
 import com.bakdata.conquery.sql.conversion.model.select.SqlSelect;
 import org.jooq.Condition;
 
@@ -21,8 +21,8 @@ public QueryStep.QueryStepBuilder convertStep(ConceptCteContext conceptCteContex
 												  .qualify(predecessorTableName);
 
 		List<Condition> aggregationFilterConditions = conceptCteContext.getFilters().stream()
-																	   .flatMap(conceptFilter -> conceptFilter.getFilters().getGroup().stream())
-																	   .map(FilterCondition::filterCondition)
+																	   .flatMap(conceptFilter -> conceptFilter.getWhereClauses().getGroupFilters().stream())
+																	   .map(WhereCondition::condition)
 																	   .toList();
 
 		return QueryStep.builder()
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/CQConceptConverter.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/CQConceptConverter.java
index 3773d24267..d140b7a3ca 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/CQConceptConverter.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/CQConceptConverter.java
@@ -1,5 +1,6 @@
 package com.bakdata.conquery.sql.conversion.cqelement.concept;
 
+import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Objects;
@@ -10,15 +11,19 @@
 
 import com.bakdata.conquery.apiv1.query.concept.filter.CQTable;
 import com.bakdata.conquery.apiv1.query.concept.specific.CQConcept;
+import com.bakdata.conquery.models.datasets.concepts.Connector;
+import com.bakdata.conquery.models.datasets.concepts.tree.ConceptTreeChild;
 import com.bakdata.conquery.sql.conversion.NodeConverter;
 import com.bakdata.conquery.sql.conversion.cqelement.ConversionContext;
 import com.bakdata.conquery.sql.conversion.dialect.SqlFunctionProvider;
 import com.bakdata.conquery.sql.conversion.model.ColumnDateRange;
 import com.bakdata.conquery.sql.conversion.model.QueryStep;
+import com.bakdata.conquery.sql.conversion.model.filter.ConditionType;
 import com.bakdata.conquery.sql.conversion.model.filter.ConditionUtil;
-import com.bakdata.conquery.sql.conversion.model.filter.FilterType;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
 import com.bakdata.conquery.sql.conversion.model.filter.SqlFilters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereConditionWrapper;
 import com.bakdata.conquery.sql.conversion.model.select.FieldWrapper;
 import com.bakdata.conquery.sql.conversion.model.select.SqlSelect;
 import com.bakdata.conquery.sql.conversion.model.select.SqlSelects;
@@ -47,13 +52,13 @@ public Class<CQConcept> getConversionClass() {
 	}
 
 	@Override
-	public ConversionContext convert(CQConcept node, ConversionContext context) {
+	public ConversionContext convert(CQConcept cqConcept, ConversionContext context) {
 
-		if (node.getTables().size() > 1) {
+		if (cqConcept.getTables().size() > 1) {
 			throw new UnsupportedOperationException("Can't handle concepts with multiple tables for now.");
 		}
 
-		ConceptCteContext conceptCteContext = createConceptCteContext(node, context);
+		ConceptCteContext conceptCteContext = createConceptCteContext(cqConcept, context);
 
 		Optional<QueryStep> lastQueryStep = Optional.empty();
 		for (ConceptCte queryStep : this.conceptCTEs) {
@@ -70,35 +75,37 @@ public ConversionContext convert(CQConcept node, ConversionContext context) {
 					  .build();
 	}
 
-	private ConceptCteContext createConceptCteContext(CQConcept node, ConversionContext context) {
+	private ConceptCteContext createConceptCteContext(CQConcept cqConcept, ConversionContext context) {
 
-		CQTable table = node.getTables().get(0);
-		String tableName = table.getConnector().getTable().getName();
-		String conceptLabel = context.getNameGenerator().conceptName(node);
-		Optional<ColumnDateRange> validityDateSelect = convertValidityDate(table, tableName, conceptLabel);
+		CQTable cqTable = cqConcept.getTables().get(0);
+		String tableName = cqTable.getConnector().getTable().getName();
+		String conceptLabel = context.getNameGenerator().conceptName(cqConcept);
+		Optional<ColumnDateRange> validityDateSelect = convertValidityDate(cqTable, tableName, conceptLabel);
 
-		Set<ConceptCteStep> requiredSteps = getRequiredSteps(table, context.dateRestrictionActive(), validityDateSelect);
+		Set<ConceptCteStep> requiredSteps = getRequiredSteps(cqTable, context.dateRestrictionActive(), validityDateSelect);
 		ConceptTables conceptTables = new ConceptTables(conceptLabel, requiredSteps, tableName, context.getNameGenerator());
 
 		// convert filters
-		Stream<SqlFilters> conceptFilters = table.getFilters().stream()
-												 .map(filterValue -> filterValue.convertToSqlFilter(context, conceptTables));
-		Stream<SqlFilters> dateRestrictionFilter = getDateRestriction(context, validityDateSelect).stream();
-		List<SqlFilters> allFilters = Stream.concat(conceptFilters, dateRestrictionFilter).toList();
+		List<SqlFilters> allFiltersForTable = new ArrayList<>();
+		cqTable.getFilters().stream()
+			   .map(filterValue -> filterValue.convertToSqlFilter(context, conceptTables))
+			   .forEach(allFiltersForTable::add);
+		collectConditionFilters(cqConcept, cqTable).ifPresent(allFiltersForTable::add);
+		getDateRestriction(context, validityDateSelect).ifPresent(allFiltersForTable::add);
 
 		// convert selects
-		SelectContext selectContext = new SelectContext(context, node, conceptLabel, validityDateSelect, conceptTables);
-		List<SqlSelects> conceptSelects = Stream.concat(node.getSelects().stream(), table.getSelects().stream())
+		SelectContext selectContext = new SelectContext(context, cqConcept, conceptLabel, validityDateSelect, conceptTables);
+		List<SqlSelects> conceptSelects = Stream.concat(cqConcept.getSelects().stream(), cqTable.getSelects().stream())
 												.map(select -> select.convertToSqlSelects(selectContext))
 												.toList();
 
 		return ConceptCteContext.builder()
 								.conversionContext(context)
-								.filters(allFilters)
+								.filters(allFiltersForTable)
 								.selects(conceptSelects)
 								.primaryColumn(DSL.field(DSL.name(context.getConfig().getPrimaryColumn())))
 								.validityDate(validityDateSelect)
-								.isExcludedFromDateAggregation(node.isExcludeFromTimeAggregation())
+								.isExcludedFromDateAggregation(cqConcept.isExcludeFromTimeAggregation())
 								.conceptTables(conceptTables)
 								.conceptLabel(conceptLabel)
 								.build();
@@ -154,7 +161,7 @@ private Optional<SqlFilters> getDateRestriction(ConversionContext context, Optio
 
 		return Optional.of(new SqlFilters(
 				SqlSelects.builder().preprocessingSelects(dateRestrictionSelects).build(),
-				Filters.builder().event(List.of(ConditionUtil.wrap(dateRestrictionCondition, FilterType.EVENT))).build()
+				WhereClauses.builder().eventFilter(ConditionUtil.wrap(dateRestrictionCondition, ConditionType.EVENT)).build()
 		));
 	}
 
@@ -162,4 +169,35 @@ private static boolean dateRestrictionApplicable(boolean dateRestrictionRequired
 		return dateRestrictionRequired && validityDateSelect.isPresent();
 	}
 
+	private Optional<SqlFilters> collectConditionFilters(CQConcept cqConcept, CQTable cqTable) {
+		return collectConditions(cqConcept, cqTable)
+				.stream()
+				.map(WhereCondition::condition)
+				.reduce(Condition::or)
+				.map(condition -> new WhereConditionWrapper(condition, ConditionType.PREPROCESSING))
+				.map(whereCondition -> new SqlFilters(
+						SqlSelects.builder().build(),
+						WhereClauses.builder().preprocessingCondition(whereCondition).build()
+				));
+	}
+
+	private List<WhereCondition> collectConditions(CQConcept cqConcept, CQTable cqTable) {
+		List<WhereCondition> conditions = new ArrayList<>();
+		convertConnectorCondition(cqTable).ifPresent(conditions::add);
+		cqConcept.getElements().stream()
+				 .filter(conceptElement -> conceptElement instanceof ConceptTreeChild)
+				 .forEach(conceptElement -> {
+					 ConceptTreeChild child = (ConceptTreeChild) conceptElement;
+					 Connector connector = cqTable.getConnector();
+					 WhereCondition childCondition = child.getCondition().convertToSqlCondition(CTConditionContext.create(connector, this.functionProvider));
+					 conditions.add(childCondition);
+				 });
+		return conditions;
+	}
+
+	private Optional<WhereCondition> convertConnectorCondition(CQTable cqTable) {
+		return Optional.ofNullable(cqTable.getConnector().getCondition())
+					   .map(condition -> condition.convertToSqlCondition(CTConditionContext.create(cqTable.getConnector(), this.functionProvider)));
+	}
+
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/CTConditionContext.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/CTConditionContext.java
new file mode 100644
index 0000000000..114692d118
--- /dev/null
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/CTConditionContext.java
@@ -0,0 +1,24 @@
+package com.bakdata.conquery.sql.conversion.cqelement.concept;
+
+import com.bakdata.conquery.models.datasets.Column;
+import com.bakdata.conquery.models.datasets.Table;
+import com.bakdata.conquery.models.datasets.concepts.Connector;
+import com.bakdata.conquery.sql.conversion.dialect.SqlFunctionProvider;
+import lombok.Value;
+
+@Value
+public class CTConditionContext {
+
+	Table connectorTable;
+	Column connectorColumn;
+	SqlFunctionProvider functionProvider;
+
+	public static CTConditionContext create(Connector connector, SqlFunctionProvider functionProvider) {
+		return new CTConditionContext(
+				connector.getTable(),
+				connector.getColumn(),
+				functionProvider
+		);
+	}
+
+}
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/EventFilterCte.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/EventFilterCte.java
index cd1846c031..c6abf98fe5 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/EventFilterCte.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/EventFilterCte.java
@@ -6,7 +6,7 @@
 import com.bakdata.conquery.sql.conversion.model.ColumnDateRange;
 import com.bakdata.conquery.sql.conversion.model.QueryStep;
 import com.bakdata.conquery.sql.conversion.model.Selects;
-import com.bakdata.conquery.sql.conversion.model.filter.FilterCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
 import com.bakdata.conquery.sql.conversion.model.select.SqlSelect;
 import org.jooq.Condition;
 
@@ -16,8 +16,8 @@ class EventFilterCte extends ConceptCte {
 	public QueryStep.QueryStepBuilder convertStep(ConceptCteContext conceptCteContext) {
 		Selects eventFilterSelects = getEventFilterSelects(conceptCteContext);
 		List<Condition> eventFilterConditions = conceptCteContext.getFilters().stream()
-																 .flatMap(conceptFilter -> conceptFilter.getFilters().getEvent().stream())
-																 .map(FilterCondition::filterCondition)
+																 .flatMap(conceptFilter -> conceptFilter.getWhereClauses().getEventFilters().stream())
+																 .map(WhereCondition::condition)
 																 .toList();
 		return QueryStep.builder()
 						.selects(eventFilterSelects)
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/PreprocessingCte.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/PreprocessingCte.java
index f0c80cc73a..2fcfcda3dc 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/PreprocessingCte.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/PreprocessingCte.java
@@ -4,7 +4,9 @@
 
 import com.bakdata.conquery.sql.conversion.model.QueryStep;
 import com.bakdata.conquery.sql.conversion.model.Selects;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
 import com.bakdata.conquery.sql.conversion.model.select.SqlSelect;
+import org.jooq.Condition;
 
 class PreprocessingCte extends ConceptCte {
 
@@ -21,8 +23,15 @@ public QueryStep.QueryStepBuilder convertStep(ConceptCteContext conceptCteContex
 											  .sqlSelects(forPreprocessing)
 											  .build();
 
+		// all where clauses that don't require any preprocessing (connector/child conditions)
+		List<Condition> conditions = conceptCteContext.getFilters().stream()
+													  .flatMap(sqlFilter -> sqlFilter.getWhereClauses().getPreprocessingConditions().stream())
+													  .map(WhereCondition::condition)
+													  .toList();
+
 		return QueryStep.builder()
 						.selects(preprocessingSelects)
+						.conditions(conditions)
 						.fromTable(QueryStep.toTableLike(conceptCteContext.getConceptTables().getPredecessor(ConceptCteStep.PREPROCESSING)));
 	}
 
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/SelectFilterUtil.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/SelectFilterUtil.java
index f613f5eb6f..20931e7425 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/SelectFilterUtil.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/cqelement/concept/SelectFilterUtil.java
@@ -1,10 +1,8 @@
 package com.bakdata.conquery.sql.conversion.cqelement.concept;
 
-import java.util.List;
-
 import com.bakdata.conquery.models.datasets.concepts.filters.specific.SelectFilter;
-import com.bakdata.conquery.sql.conversion.model.filter.FilterCondition;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 import com.bakdata.conquery.sql.conversion.model.filter.MultiSelectCondition;
 import com.bakdata.conquery.sql.conversion.model.filter.SqlFilters;
 import com.bakdata.conquery.sql.conversion.model.select.ExtractingSqlSelect;
@@ -13,14 +11,13 @@
 public class SelectFilterUtil {
 
 	public static <T> SqlFilters convert(SelectFilter<T> selectFilter, FilterContext<T> context, String[] values) {
-
 		ExtractingSqlSelect<String> rootSelect = new ExtractingSqlSelect<>(
 				context.getConceptTables().getPredecessor(ConceptCteStep.PREPROCESSING),
 				selectFilter.getColumn().getName(),
 				String.class
 		);
 
-		FilterCondition condition = new MultiSelectCondition(
+		WhereCondition condition = new MultiSelectCondition(
 				context.getConceptTables().qualifyOnPredecessor(ConceptCteStep.EVENT_FILTER, rootSelect.aliased()),
 				values,
 				context.getParentContext().getSqlDialect().getFunctionProvider()
@@ -30,9 +27,9 @@ public static <T> SqlFilters convert(SelectFilter<T> selectFilter, FilterContext
 				SqlSelects.builder()
 						  .preprocessingSelect(rootSelect)
 						  .build(),
-				Filters.builder()
-					   .event(List.of(condition))
-					   .build()
+				WhereClauses.builder()
+							.eventFilter(condition)
+							.build()
 		);
 	}
 
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/HanaSqlFunctionProvider.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/HanaSqlFunctionProvider.java
index 908acf9bd3..9adef30865 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/HanaSqlFunctionProvider.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/HanaSqlFunctionProvider.java
@@ -191,6 +191,11 @@ public Field<?> random(Field<?> column) {
 		return DSL.field(DSL.sql("FIRST_VALUE({0} {1})", column, DSL.orderBy(DSL.function("RAND", Object.class))));
 	}
 
+	@Override
+	public Condition likeRegex(Field<String> field, String pattern) {
+		return DSL.condition("{0} LIKE_REGEXPR {1}", field, pattern);
+	}
+
 	@Override
 	public Field<Date> addDays(Field<Date> dateColumn, int amountOfDays) {
 		return DSL.function(
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/PostgreSqlFunctionProvider.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/PostgreSqlFunctionProvider.java
index 566006b6d1..ebc2ebd4cb 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/PostgreSqlFunctionProvider.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/PostgreSqlFunctionProvider.java
@@ -176,6 +176,11 @@ public Field<?> random(Field<?> column) {
 		return DSL.field(DSL.sql("({0})[1]", DSL.arrayAgg(DSL.field("%s %s".formatted(column, orderByRandomClause)))));
 	}
 
+	@Override
+	public Condition likeRegex(Field<String> field, String pattern) {
+		return field.similarTo(pattern);
+	}
+
 	private Field<?> daterange(Field<?> startColumn, Field<?> endColumn, String bounds) {
 		return DSL.function(
 				"daterange",
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/SqlFunctionProvider.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/SqlFunctionProvider.java
index 2ac69b9891..59b6fd69f6 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/SqlFunctionProvider.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/dialect/SqlFunctionProvider.java
@@ -63,6 +63,8 @@ public interface SqlFunctionProvider {
 
 	Field<?> random(Field<?> column);
 
+	Condition likeRegex(Field<String> field, String pattern);
+
 	default <T> Field<T> least(List<Field<T>> fields) {
 		if (fields.isEmpty()) {
 			return null;
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/FilterType.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/ConditionType.java
similarity index 63%
rename from backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/FilterType.java
rename to backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/ConditionType.java
index fa8502b7a0..b8197e2b50 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/FilterType.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/ConditionType.java
@@ -1,6 +1,7 @@
 package com.bakdata.conquery.sql.conversion.model.filter;
 
-public enum FilterType {
+public enum ConditionType {
+	PREPROCESSING,
 	EVENT,
 	GROUP
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/ConditionUtil.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/ConditionUtil.java
index 2e7b358611..5bbbd125eb 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/ConditionUtil.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/ConditionUtil.java
@@ -21,12 +21,12 @@ public Condition rangeCondition(final Field<?> column, final IRange<?, ?> range)
 	}
 
 	/**
-	 * Use if you want to wrap a {@link Condition} without implementing a {@link FilterCondition} in an own class.
+	 * Use if you want to wrap a {@link Condition} without implementing a {@link WhereCondition} in an own class.
 	 *
-	 * @return A {@link FilterCondition} instance encapsulating the provided condition and type.
+	 * @return A {@link WhereCondition} instance encapsulating the provided condition and type.
 	 */
-	public FilterCondition wrap(final Condition condition, final FilterType type) {
-		return new FilterConditionWrapper(condition, type);
+	public WhereCondition wrap(final Condition condition, final ConditionType type) {
+		return new WhereConditionWrapper(condition, type);
 	}
 
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/CountCondition.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/CountCondition.java
index 10132cc273..728aafee2b 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/CountCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/CountCondition.java
@@ -10,8 +10,8 @@ public CountCondition(Field<?> column, IRange<? extends Number, ?> range) {
 	}
 
 	@Override
-	public FilterType type() {
-		return FilterType.GROUP;
+	public ConditionType type() {
+		return ConditionType.GROUP;
 	}
 
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/DateDistanceCondition.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/DateDistanceCondition.java
index f34d1f8a6d..5344330c16 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/DateDistanceCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/DateDistanceCondition.java
@@ -10,8 +10,8 @@ public DateDistanceCondition(Field<Integer> column, Range.LongRange range) {
 	}
 
 	@Override
-	public FilterType type() {
-		return FilterType.EVENT;
+	public ConditionType type() {
+		return ConditionType.EVENT;
 	}
 
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/DateRestrictionCondition.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/DateRestrictionCondition.java
index f0678fcba5..e80918e6b8 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/DateRestrictionCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/DateRestrictionCondition.java
@@ -6,20 +6,20 @@
 import org.jooq.Condition;
 
 @RequiredArgsConstructor
-public class DateRestrictionCondition implements FilterCondition {
+public class DateRestrictionCondition implements WhereCondition {
 
 	private final SqlFunctionProvider functionProvider;
 	private final ColumnDateRange dateRestriction;
 	private final ColumnDateRange validityDate;
 
 	@Override
-	public Condition filterCondition() {
+	public Condition condition() {
 		return this.functionProvider.dateRestriction(dateRestriction, validityDate);
 	}
 
 	@Override
-	public FilterType type() {
-		return FilterType.EVENT;
+	public ConditionType type() {
+		return ConditionType.EVENT;
 	}
 
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/Filters.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/Filters.java
deleted file mode 100644
index c7e333e3eb..0000000000
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/Filters.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.bakdata.conquery.sql.conversion.model.filter;
-
-import java.util.Collections;
-import java.util.List;
-
-import lombok.Builder;
-import lombok.Value;
-
-@Builder
-@Value
-public class Filters {
-
-	@Builder.Default
-	List<FilterCondition> event = Collections.emptyList();
-	@Builder.Default
-	List<FilterCondition> group = Collections.emptyList();
-
-	public Filters negated() {
-		return new Filters(
-				event.stream().map(FilterCondition::negate).toList(),
-				group.stream().map(FilterCondition::negate).toList()
-		);
-	}
-
-}
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/InvertedCondition.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/InvertedCondition.java
index d0257118c6..5ff0a143f8 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/InvertedCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/InvertedCondition.java
@@ -5,22 +5,22 @@
 import org.jooq.impl.DSL;
 
 @RequiredArgsConstructor
-public class InvertedCondition implements FilterCondition {
+public class InvertedCondition implements WhereCondition {
 
-	private final FilterCondition filterCondition;
+	private final WhereCondition filterCondition;
 
 	@Override
-	public Condition filterCondition() {
-		return DSL.not(filterCondition.filterCondition());
+	public Condition condition() {
+		return DSL.not(filterCondition.condition());
 	}
 
 	@Override
-	public FilterType type() {
+	public ConditionType type() {
 		return filterCondition.type();
 	}
 
 	@Override
-	public FilterCondition negate() {
+	public WhereCondition negate() {
 		return filterCondition;
 	}
 
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/MultiSelectCondition.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/MultiSelectCondition.java
index 309b4efd07..576b068d8e 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/MultiSelectCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/MultiSelectCondition.java
@@ -10,23 +10,23 @@
 import org.jooq.impl.DSL;
 
 @RequiredArgsConstructor
-public class MultiSelectCondition implements FilterCondition {
+public class MultiSelectCondition implements WhereCondition {
 
 	private final Field<String> column;
 	private final String[] values;
 	private final SqlFunctionProvider functionProvider;
 
 	@Override
-	public FilterCondition negate() {
+	public WhereCondition negate() {
 		// we want all entries that don't satisfy a condition - because in SQL a comparison with NULL equals UNKNOWN and not FALSE,
 		// we need to check if the entry is NULL or does not fulfil the condition
 		Condition valueIsNull = column.isNull();
-		Condition notOrNull = DSL.not(filterCondition()).or(valueIsNull);
+		Condition notOrNull = DSL.not(condition()).or(valueIsNull);
 		return ConditionUtil.wrap(notOrNull, this.type());
 	}
 
 	@Override
-	public Condition filterCondition() {
+	public Condition condition() {
 
 		// values can contain empty or null Strings
 		String[] valuesWithoutNull = Arrays.stream(values)
@@ -41,8 +41,8 @@ public Condition filterCondition() {
 	}
 
 	@Override
-	public FilterType type() {
-		return FilterType.EVENT;
+	public ConditionType type() {
+		return ConditionType.EVENT;
 	}
 
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/NumberCondition.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/NumberCondition.java
index 5e9daea62b..169ead8af7 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/NumberCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/NumberCondition.java
@@ -10,8 +10,8 @@ public NumberCondition(Field<? extends Number> column, IRange<? extends Number,
 	}
 
 	@Override
-	public FilterType type() {
-		return FilterType.EVENT;
+	public ConditionType type() {
+		return ConditionType.EVENT;
 	}
 
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/RangeCondition.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/RangeCondition.java
index 50adeaaad7..f6ea56bf6c 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/RangeCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/RangeCondition.java
@@ -6,13 +6,13 @@
 import org.jooq.Field;
 
 @RequiredArgsConstructor
-abstract class RangeCondition implements FilterCondition {
+abstract class RangeCondition implements WhereCondition {
 
 	private final Field<?> column;
 	private final IRange<?,?> range;
 
 	@Override
-	public Condition filterCondition() {
+	public Condition condition() {
 		return ConditionUtil.rangeCondition(column, range);
 	}
 
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/SqlFilters.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/SqlFilters.java
index b2d6059aea..99d1b402c1 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/SqlFilters.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/SqlFilters.java
@@ -6,5 +6,5 @@
 @Value
 public class SqlFilters {
 	SqlSelects selects;
-	Filters filters;
+	WhereClauses whereClauses;
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/SumCondition.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/SumCondition.java
index 6f1e3e26bf..1159b87343 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/SumCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/SumCondition.java
@@ -10,8 +10,8 @@ public SumCondition(Field<? extends Number> column, IRange<? extends Number, ?>
 	}
 
 	@Override
-	public FilterType type() {
-		return FilterType.GROUP;
+	public ConditionType type() {
+		return ConditionType.GROUP;
 	}
 
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/WhereClauses.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/WhereClauses.java
new file mode 100644
index 0000000000..052994a391
--- /dev/null
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/WhereClauses.java
@@ -0,0 +1,28 @@
+package com.bakdata.conquery.sql.conversion.model.filter;
+
+import java.util.List;
+
+import lombok.Builder;
+import lombok.Singular;
+import lombok.Value;
+
+@Builder
+@Value
+public class WhereClauses {
+
+	@Singular
+	List<WhereCondition> preprocessingConditions;
+	@Singular
+	List<WhereCondition> eventFilters;
+	@Singular
+	List<WhereCondition> groupFilters;
+
+	public WhereClauses negated() {
+		return new WhereClauses(
+				preprocessingConditions.stream().map(WhereCondition::negate).toList(),
+				eventFilters.stream().map(WhereCondition::negate).toList(),
+				groupFilters.stream().map(WhereCondition::negate).toList()
+		);
+	}
+
+}
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/FilterCondition.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/WhereCondition.java
similarity index 52%
rename from backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/FilterCondition.java
rename to backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/WhereCondition.java
index 21e19512c4..926657089e 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/FilterCondition.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/WhereCondition.java
@@ -2,13 +2,13 @@
 
 import org.jooq.Condition;
 
-public interface FilterCondition {
+public interface WhereCondition {
 
-	Condition filterCondition();
+	Condition condition();
 
-	FilterType type();
+	ConditionType type();
 
-	default FilterCondition negate() {
+	default WhereCondition negate() {
 		return new InvertedCondition(this);
 	}
 
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/FilterConditionWrapper.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/WhereConditionWrapper.java
similarity index 58%
rename from backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/FilterConditionWrapper.java
rename to backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/WhereConditionWrapper.java
index 74bb1f175f..e73e774b04 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/FilterConditionWrapper.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/filter/WhereConditionWrapper.java
@@ -4,18 +4,18 @@
 import org.jooq.Condition;
 
 @Value
-public class FilterConditionWrapper implements FilterCondition {
+public class WhereConditionWrapper implements WhereCondition {
 
 	Condition condition;
-	FilterType type;
+	ConditionType type;
 
 	@Override
-	public Condition filterCondition() {
+	public Condition condition() {
 		return condition;
 	}
 
 	@Override
-	public FilterType type() {
+	public ConditionType type() {
 		return type;
 	}
 
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/CountSqlAggregator.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/CountSqlAggregator.java
index a9b5834790..ebca23ea47 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/CountSqlAggregator.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/CountSqlAggregator.java
@@ -1,7 +1,5 @@
 package com.bakdata.conquery.sql.conversion.model.select;
 
-import java.util.List;
-
 import com.bakdata.conquery.models.common.IRange;
 import com.bakdata.conquery.models.common.Range;
 import com.bakdata.conquery.models.datasets.Column;
@@ -12,8 +10,8 @@
 import com.bakdata.conquery.sql.conversion.cqelement.concept.SelectContext;
 import com.bakdata.conquery.sql.conversion.model.SqlTables;
 import com.bakdata.conquery.sql.conversion.model.filter.CountCondition;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
 import com.bakdata.conquery.sql.conversion.model.filter.SqlFilters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 import lombok.Value;
 import org.jooq.Field;
 import org.jooq.impl.DSL;
@@ -23,7 +21,7 @@
 public class CountSqlAggregator implements SqlAggregator {
 
 	SqlSelects sqlSelects;
-	Filters filters;
+	WhereClauses whereClauses;
 
 	private CountSqlAggregator(
 			Column countColumn,
@@ -51,15 +49,15 @@ private CountSqlAggregator(
 		if (filterValue == null) {
 			ExtractingSqlSelect<Integer> finalSelect = countGroupBy.createAliasedReference(conceptTables.getPredecessor(ConceptCteStep.FINAL));
 			this.sqlSelects = builder.finalSelect(finalSelect).build();
-			this.filters = null;
+			this.whereClauses = null;
 		}
 		else {
 			this.sqlSelects = builder.build();
 			Field<Integer> qualifiedCountSelect = countGroupBy.createAliasedReference(conceptTables.getPredecessor(ConceptCteStep.AGGREGATION_FILTER)).select();
 			CountCondition countCondition = new CountCondition(qualifiedCountSelect, filterValue);
-			this.filters = Filters.builder()
-								  .group(List.of(countCondition))
-								  .build();
+			this.whereClauses = WhereClauses.builder()
+											.groupFilter(countCondition)
+											.build();
 		}
 	}
 
@@ -85,7 +83,7 @@ public static CountSqlAggregator create(CountFilter countFilter, FilterContext<R
 
 	@Override
 	public SqlFilters getSqlFilters() {
-		return new SqlFilters(this.sqlSelects, this.filters);
+		return new SqlFilters(this.sqlSelects, this.whereClauses);
 	}
 
 	public enum CountType {
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/DateDistanceSqlAggregator.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/DateDistanceSqlAggregator.java
index 4ae4e78849..5b083215e1 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/DateDistanceSqlAggregator.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/DateDistanceSqlAggregator.java
@@ -3,7 +3,6 @@
 import java.sql.Date;
 import java.time.LocalDate;
 import java.time.temporal.ChronoUnit;
-import java.util.List;
 import java.util.Objects;
 
 import com.bakdata.conquery.models.common.Range;
@@ -18,8 +17,8 @@
 import com.bakdata.conquery.sql.conversion.dialect.SqlFunctionProvider;
 import com.bakdata.conquery.sql.conversion.model.SqlTables;
 import com.bakdata.conquery.sql.conversion.model.filter.DateDistanceCondition;
-import com.bakdata.conquery.sql.conversion.model.filter.FilterCondition;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereCondition;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 import com.bakdata.conquery.sql.conversion.supplier.DateNowSupplier;
 import lombok.Value;
 import org.jooq.Field;
@@ -30,7 +29,7 @@
 public class DateDistanceSqlAggregator implements SqlAggregator {
 
 	SqlSelects sqlSelects;
-	Filters filters;
+	WhereClauses whereClauses;
 
 	private DateDistanceSqlAggregator(
 			Column column,
@@ -62,17 +61,17 @@ private DateDistanceSqlAggregator(
 			this.sqlSelects = builder.aggregationSelect(minDateDistance)
 									 .finalSelect(finalSelect)
 									 .build();
-			this.filters = null;
+			this.whereClauses = null;
 		}
 		else {
 			this.sqlSelects = builder.build();
 			Field<Integer>
 					qualifiedDateDistanceSelect =
 					dateDistanceSelect.createAliasedReference(conceptTables.getPredecessor(ConceptCteStep.EVENT_FILTER)).select();
-			FilterCondition dateDistanceCondition = new DateDistanceCondition(qualifiedDateDistanceSelect, filterValue);
-			this.filters = Filters.builder()
-								  .event(List.of(dateDistanceCondition))
-								  .build();
+			WhereCondition dateDistanceCondition = new DateDistanceCondition(qualifiedDateDistanceSelect, filterValue);
+			this.whereClauses = WhereClauses.builder()
+											.eventFilter(dateDistanceCondition)
+											.build();
 		}
 	}
 
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/ExistsSqlAggregator.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/ExistsSqlAggregator.java
index 35f8f3f849..0cc16db411 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/ExistsSqlAggregator.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/ExistsSqlAggregator.java
@@ -2,7 +2,7 @@
 
 import com.bakdata.conquery.models.datasets.concepts.select.concept.specific.ExistsSelect;
 import com.bakdata.conquery.sql.conversion.cqelement.concept.SelectContext;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 import lombok.Value;
 import org.jooq.impl.DSL;
 
@@ -10,14 +10,14 @@
 public class ExistsSqlAggregator implements SqlAggregator {
 
 	SqlSelects sqlSelects;
-	Filters filters;
+	WhereClauses whereClauses;
 
 	private ExistsSqlAggregator(String alias) {
 		FieldWrapper<Integer> existsSelect = new UniversalSqlSelect<>(DSL.field("1", Integer.class).as(alias));
 		this.sqlSelects = SqlSelects.builder()
 									.finalSelect(existsSelect)
 									.build();
-		this.filters = Filters.builder().build();
+		this.whereClauses = WhereClauses.builder().build();
 	}
 
 	public static ExistsSqlAggregator create(ExistsSelect existsSelect, SelectContext selectContext) {
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/FirstValueSqlAggregator.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/FirstValueSqlAggregator.java
index 9bcf4e3f35..25490e0566 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/FirstValueSqlAggregator.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/FirstValueSqlAggregator.java
@@ -11,7 +11,7 @@
 import com.bakdata.conquery.sql.conversion.dialect.SqlFunctionProvider;
 import com.bakdata.conquery.sql.conversion.model.ColumnDateRange;
 import com.bakdata.conquery.sql.conversion.model.SqlTables;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 import lombok.Value;
 import org.jooq.Field;
 
@@ -19,7 +19,7 @@
 public class FirstValueSqlAggregator implements SqlAggregator {
 
 	SqlSelects sqlSelects;
-	Filters filters;
+	WhereClauses whereClauses;
 
 	private FirstValueSqlAggregator(
 			Column column,
@@ -47,7 +47,7 @@ private FirstValueSqlAggregator(
 									.finalSelect(finalSelect)
 									.build();
 
-		this.filters = Filters.builder().build();
+		this.whereClauses = WhereClauses.builder().build();
 	}
 
 	public static FirstValueSqlAggregator create(FirstValueSelect firstValueSelect, SelectContext selectContext) {
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/LastValueSqlAggregator.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/LastValueSqlAggregator.java
index c644db01d0..9844f9bd51 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/LastValueSqlAggregator.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/LastValueSqlAggregator.java
@@ -11,7 +11,7 @@
 import com.bakdata.conquery.sql.conversion.dialect.SqlFunctionProvider;
 import com.bakdata.conquery.sql.conversion.model.ColumnDateRange;
 import com.bakdata.conquery.sql.conversion.model.SqlTables;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 import lombok.Value;
 import org.jooq.Field;
 
@@ -19,7 +19,7 @@
 public class LastValueSqlAggregator implements SqlAggregator {
 
 	SqlSelects sqlSelects;
-	Filters filters;
+	WhereClauses whereClauses;
 
 	private LastValueSqlAggregator(
 			Column column,
@@ -47,7 +47,7 @@ private LastValueSqlAggregator(
 									.finalSelect(finalSelect)
 									.build();
 
-		this.filters = Filters.builder().build();
+		this.whereClauses = WhereClauses.builder().build();
 	}
 
 	public static LastValueSqlAggregator create(LastValueSelect lastValueSelect, SelectContext selectContext) {
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/NumberSqlAggregator.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/NumberSqlAggregator.java
index f2976963a8..ca979d68c5 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/NumberSqlAggregator.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/NumberSqlAggregator.java
@@ -12,7 +12,7 @@
 import com.bakdata.conquery.sql.conversion.cqelement.concept.FilterContext;
 import com.bakdata.conquery.sql.conversion.cqelement.concept.NumberMapUtil;
 import com.bakdata.conquery.sql.conversion.model.SqlTables;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 import com.bakdata.conquery.sql.conversion.model.filter.NumberCondition;
 import lombok.Value;
 import org.jooq.Field;
@@ -21,7 +21,7 @@
 public class NumberSqlAggregator implements SqlAggregator {
 
 	SqlSelects sqlSelects;
-	Filters filters;
+	WhereClauses whereClauses;
 
 	public NumberSqlAggregator(
 			Column column,
@@ -42,9 +42,9 @@ public NumberSqlAggregator(
 		this.sqlSelects = SqlSelects.builder()
 									.preprocessingSelects(List.of(rootSelect))
 									.build();
-		this.filters = Filters.builder()
-							  .event(List.of(condition))
-							  .build();
+		this.whereClauses = WhereClauses.builder()
+										.eventFilter(condition)
+										.build();
 	}
 
 	public static NumberSqlAggregator create(
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/RandomValueSqlAggregator.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/RandomValueSqlAggregator.java
index 6cb011e46a..11b17022fa 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/RandomValueSqlAggregator.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/RandomValueSqlAggregator.java
@@ -6,7 +6,7 @@
 import com.bakdata.conquery.sql.conversion.cqelement.concept.SelectContext;
 import com.bakdata.conquery.sql.conversion.dialect.SqlFunctionProvider;
 import com.bakdata.conquery.sql.conversion.model.SqlTables;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 import lombok.Value;
 import org.jooq.Field;
 
@@ -14,7 +14,7 @@
 public class RandomValueSqlAggregator implements SqlAggregator {
 
 	SqlSelects sqlSelects;
-	Filters filters;
+	WhereClauses whereClauses;
 
 	private RandomValueSqlAggregator(
 			Column column,
@@ -37,7 +37,7 @@ private RandomValueSqlAggregator(
 									.finalSelect(finalSelect)
 									.build();
 
-		this.filters = Filters.builder().build();
+		this.whereClauses = WhereClauses.builder().build();
 	}
 
 	public static RandomValueSqlAggregator create(RandomValueSelect randomValueSelect, SelectContext selectContext) {
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/SqlAggregator.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/SqlAggregator.java
index dea6b1b604..46d624d89e 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/SqlAggregator.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/SqlAggregator.java
@@ -1,16 +1,16 @@
 package com.bakdata.conquery.sql.conversion.model.select;
 
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
 import com.bakdata.conquery.sql.conversion.model.filter.SqlFilters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 
 public interface SqlAggregator {
 
 	SqlSelects getSqlSelects();
 
-	Filters getFilters();
+	WhereClauses getWhereClauses();
 
 	default SqlFilters getSqlFilters() {
-		return new SqlFilters(getSqlSelects(), getFilters());
+		return new SqlFilters(getSqlSelects(), getWhereClauses());
 	}
 
 }
diff --git a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/SumSqlAggregator.java b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/SumSqlAggregator.java
index cfe972e806..fb5d5822e3 100644
--- a/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/SumSqlAggregator.java
+++ b/backend/src/main/java/com/bakdata/conquery/sql/conversion/model/select/SumSqlAggregator.java
@@ -1,7 +1,6 @@
 package com.bakdata.conquery.sql.conversion.model.select;
 
 import java.math.BigDecimal;
-import java.util.List;
 
 import com.bakdata.conquery.models.common.IRange;
 import com.bakdata.conquery.models.datasets.Column;
@@ -12,7 +11,7 @@
 import com.bakdata.conquery.sql.conversion.cqelement.concept.NumberMapUtil;
 import com.bakdata.conquery.sql.conversion.cqelement.concept.SelectContext;
 import com.bakdata.conquery.sql.conversion.model.SqlTables;
-import com.bakdata.conquery.sql.conversion.model.filter.Filters;
+import com.bakdata.conquery.sql.conversion.model.filter.WhereClauses;
 import com.bakdata.conquery.sql.conversion.model.filter.SumCondition;
 import lombok.Value;
 import org.jooq.Field;
@@ -22,7 +21,7 @@
 public class SumSqlAggregator implements SqlAggregator {
 
 	SqlSelects sqlSelects;
-	Filters filters;
+	WhereClauses whereClauses;
 
 	private SumSqlAggregator(
 			Column sumColumn,
@@ -49,15 +48,15 @@ private SumSqlAggregator(
 		if (filterValue == null) {
 			ExtractingSqlSelect<BigDecimal> finalSelect = sumGroupBy.createAliasedReference(conceptTables.getPredecessor(ConceptCteStep.FINAL));
 			this.sqlSelects = builder.finalSelect(finalSelect).build();
-			this.filters = null;
+			this.whereClauses = null;
 		}
 		else {
 			this.sqlSelects = builder.build();
 			Field<BigDecimal> qualifiedSumGroupBy = sumGroupBy.createAliasedReference(conceptTables.getPredecessor(ConceptCteStep.AGGREGATION_FILTER)).select();
 			SumCondition sumCondition = new SumCondition(qualifiedSumGroupBy, filterValue);
-			this.filters = Filters.builder()
-								  .group(List.of(sumCondition))
-								  .build();
+			this.whereClauses = WhereClauses.builder()
+											.groupFilter(sumCondition)
+											.build();
 		}
 	}
 
diff --git a/backend/src/test/resources/tests/sql/tree/nested/content.csv b/backend/src/test/resources/tests/sql/tree/nested/content.csv
new file mode 100644
index 0000000000..87306a670e
--- /dev/null
+++ b/backend/src/test/resources/tests/sql/tree/nested/content.csv
@@ -0,0 +1,5 @@
+pid,datum,test_column,test_column2,test_column3,test_column4
+1,2012-01-01,"A1",,"B1","C123445"
+2,2010-07-15,"A2","Bar","B2","C23456"
+3,2013-11-10,"A3","Foo","B3","C34557"
+4,2012-11-11,"A4","Foobar","B4","C45678"
diff --git a/backend/src/test/resources/tests/sql/tree/nested/expected.csv b/backend/src/test/resources/tests/sql/tree/nested/expected.csv
new file mode 100644
index 0000000000..57ecb1e80c
--- /dev/null
+++ b/backend/src/test/resources/tests/sql/tree/nested/expected.csv
@@ -0,0 +1,2 @@
+result,dates
+1,{2012-01-01/2012-01-01}
diff --git a/backend/src/test/resources/tests/sql/tree/nested/nested.spec.json b/backend/src/test/resources/tests/sql/tree/nested/nested.spec.json
new file mode 100644
index 0000000000..e7270db1be
--- /dev/null
+++ b/backend/src/test/resources/tests/sql/tree/nested/nested.spec.json
@@ -0,0 +1,113 @@
+{
+  "type": "SQL_QUERY_TEST",
+  "label": "Simple TREE concept with 1 child with EQUAL CTCondition selected",
+  "expectedCsv": "tests/sql/tree/nested/expected.csv",
+  "query": {
+    "type": "CONCEPT_QUERY",
+    "root": {
+      "type": "CONCEPT",
+      "ids": [
+        "test_tree.test_child1"
+      ],
+      "tables": [
+        {
+          "id": "test_tree.test_column",
+          "filters": []
+        }
+      ]
+    }
+  },
+  "concepts": [
+    {
+      "label": "test_tree",
+      "type": "TREE",
+      "connectors": {
+        "label": "tree_label",
+        "name": "test_column",
+        "column": "test_table.test_column",
+        "condition": {
+          "type": "COLUMN_EQUAL",
+          "column": "test_column3",
+          "values": [
+            "B1"
+          ]
+        },
+        "validityDates": {
+          "label": "datum",
+          "column": "test_table.datum"
+        }
+      },
+      "children": [
+        {
+          "label": "test_child1",
+          "description": " ",
+          "condition": {
+            "type": "OR",
+            "conditions": [
+              {
+                "type": "PREFIX_LIST",
+                "prefixes": [
+                  "C",
+                  "C1"
+                ]
+              },
+              {
+                "type": "AND",
+                "conditions": [
+                  {
+                    "type": "EQUAL",
+                    "values": [
+                      "A1"
+                    ]
+                  },
+                  {
+                    "type": "NOT",
+                    "condition": {
+                      "type": "PRESENT",
+                      "column": "test_column2"
+                    }
+                  }
+                ]
+              }
+            ]
+          },
+          "children": []
+        }
+      ]
+    }
+  ],
+  "content": {
+    "tables": [
+      {
+        "csv": "tests/sql/tree/nested/content.csv",
+        "name": "test_table",
+        "primaryColumn": {
+          "name": "pid",
+          "type": "STRING"
+        },
+        "columns": [
+          {
+            "name": "datum",
+            "type": "DATE"
+          },
+          {
+            "name": "test_column",
+            "type": "STRING"
+          },
+          {
+            "name": "test_column2",
+            "type": "STRING"
+          },
+          {
+            "name": "test_column3",
+            "type": "STRING"
+          },
+          {
+            "name": "test_column4",
+            "type": "STRING"
+          }
+        ]
+      }
+    ]
+  }
+}
diff --git a/backend/src/test/resources/tests/sql/tree/prefix_range/expected.csv b/backend/src/test/resources/tests/sql/tree/prefix_range/expected.csv
new file mode 100644
index 0000000000..57ecb1e80c
--- /dev/null
+++ b/backend/src/test/resources/tests/sql/tree/prefix_range/expected.csv
@@ -0,0 +1,2 @@
+result,dates
+1,{2012-01-01/2012-01-01}
diff --git a/backend/src/test/resources/tests/sql/tree/prefix_range/kh-content.csv b/backend/src/test/resources/tests/sql/tree/prefix_range/kh-content.csv
new file mode 100644
index 0000000000..8c3637c93f
--- /dev/null
+++ b/backend/src/test/resources/tests/sql/tree/prefix_range/kh-content.csv
@@ -0,0 +1,2 @@
+pid,icd_code,entlassungsdatum,aufnahmedatum
+1,"F20",2012-01-01,2012-01-01
diff --git a/backend/src/test/resources/tests/sql/tree/prefix_range/prefix_range.spec.json b/backend/src/test/resources/tests/sql/tree/prefix_range/prefix_range.spec.json
new file mode 100644
index 0000000000..d1a314febf
--- /dev/null
+++ b/backend/src/test/resources/tests/sql/tree/prefix_range/prefix_range.spec.json
@@ -0,0 +1,238 @@
+{
+  "type": "SQL_QUERY_TEST",
+  "label": "PREFIX_RANGE condition test",
+  "expectedCsv": "tests/query/MULTIPLE_CONNECTORS_QUERY/expected.csv",
+  "query": {
+    "type": "CONCEPT_QUERY",
+    "root": {
+      "type": "CONCEPT",
+      "ids": [
+        "icd.f00$2df99.f20$2df29"
+      ],
+      "label": "F20-F29",
+      "tables": [
+        {
+          "id": "icd.kh$5fdiagnose$5ficd$5fcode",
+          "filters": []
+        }
+      ]
+    }
+  },
+  "concepts": [
+    {
+      "label": "ICD",
+      "type": "TREE",
+      "additionalInfos": [
+        {
+          "key": "ICD-Codes",
+          "value": "Historisierung bis einschließlich des Jahres 2018"
+        }
+      ],
+      "connectors": [
+        {
+          "label": "KH-Diagnose",
+          "name": "kh_diagnose_icd_code",
+          "column": "kh_diagnose.icd_code",
+          "validityDates": [
+            {
+              "label": "Entlassungsdatum",
+              "column": "kh_diagnose.entlassungsdatum"
+            },
+            {
+              "label": "Aufnahmedatum",
+              "column": "kh_diagnose.aufnahmedatum"
+            }
+          ],
+          "filters": []
+        }
+      ],
+      "children": [
+        {
+          "label": "F00-F99",
+          "condition": {
+            "type": "PREFIX_RANGE",
+            "min": "F00",
+            "max": "F99"
+          },
+          "children": [
+            {
+              "label": "F20-F29",
+              "condition": {
+                "type": "PREFIX_RANGE",
+                "min": "F20",
+                "max": "F29"
+              },
+              "children": [
+                {
+                  "label": "F20",
+                  "condition": {
+                    "type": "PREFIX_LIST",
+                    "prefixes": [
+                      "F20"
+                    ]
+                  },
+                  "children": [
+                    {
+                      "label": "F20.0",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F200"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F20.1",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F201"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F20.2",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F202"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F20.3",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F203"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F20.4",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F204"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F20.5",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F205"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F20.6",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F206"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F20.8",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F208"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F20.9",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F209"
+                        ]
+                      }
+                    }
+                  ]
+                },
+                {
+                  "label": "F22",
+                  "condition": {
+                    "type": "PREFIX_LIST",
+                    "prefixes": [
+                      "F22"
+                    ]
+                  },
+                  "children": [
+                    {
+                      "label": "F22.0",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F220"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F22.8",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F228"
+                        ]
+                      }
+                    },
+                    {
+                      "label": "F22.9",
+                      "condition": {
+                        "type": "PREFIX_LIST",
+                        "prefixes": [
+                          "F229"
+                        ]
+                      }
+                    }
+                  ]
+                },
+                {
+                  "label": "F24",
+                  "condition": {
+                    "type": "PREFIX_LIST",
+                    "prefixes": [
+                      "F24"
+                    ]
+                  }
+                }
+              ]
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "content": {
+    "tables": [
+      {
+        "csv": "tests/sql/tree/prefix_range/kh-content.csv",
+        "name": "kh_diagnose",
+        "primaryColumn": {
+          "name": "pid",
+          "type": "STRING"
+        },
+        "columns": [
+          {
+            "name": "icd_code",
+            "type": "STRING"
+          },
+          {
+            "name": "entlassungsdatum",
+            "type": "DATE"
+          },
+          {
+            "name": "aufnahmedatum",
+            "type": "DATE"
+          }
+        ]
+      }
+    ]
+  }
+}
diff --git a/backend/src/test/resources/tests/sql/tree/simple/content.csv b/backend/src/test/resources/tests/sql/tree/simple/content.csv
new file mode 100644
index 0000000000..d421e0428d
--- /dev/null
+++ b/backend/src/test/resources/tests/sql/tree/simple/content.csv
@@ -0,0 +1,5 @@
+pid,datum,test_column
+1,2012-01-01,"A1"
+2,2010-07-15,"B2"
+3,2013-11-10,"A1"
+4,2012-11-11,"B2"
diff --git a/backend/src/test/resources/tests/sql/tree/simple/expected.csv b/backend/src/test/resources/tests/sql/tree/simple/expected.csv
new file mode 100644
index 0000000000..8114ea686d
--- /dev/null
+++ b/backend/src/test/resources/tests/sql/tree/simple/expected.csv
@@ -0,0 +1,3 @@
+result,dates
+1,{2012-01-01/2012-01-01}
+3,{2013-11-10/2013-11-10}
diff --git a/backend/src/test/resources/tests/sql/tree/simple/simple.spec.json b/backend/src/test/resources/tests/sql/tree/simple/simple.spec.json
new file mode 100644
index 0000000000..c09a3534ad
--- /dev/null
+++ b/backend/src/test/resources/tests/sql/tree/simple/simple.spec.json
@@ -0,0 +1,81 @@
+{
+  "type": "SQL_QUERY_TEST",
+  "label": "Simple TREE concept with 1 child with EQUAL CTCondition selected",
+  "expectedCsv": "tests/sql/tree/simple/expected.csv",
+  "query": {
+    "type": "CONCEPT_QUERY",
+    "root": {
+      "type": "CONCEPT",
+      "ids": [
+        "test_tree.test_child1"
+      ],
+      "tables": [
+        {
+          "id": "test_tree.test_column",
+          "filters": []
+        }
+      ]
+    }
+  },
+  "concepts": [
+    {
+      "label": "test_tree",
+      "type": "TREE",
+      "connectors": {
+        "label": "tree_label",
+        "name": "test_column",
+        "column": "test_table.test_column",
+        "validityDates": {
+          "label": "datum",
+          "column": "test_table.datum"
+        }
+      },
+      "children": [
+        {
+          "label": "test_child1",
+          "description": " ",
+          "condition": {
+            "type": "EQUAL",
+            "values": [
+              "A1"
+            ]
+          },
+          "children": []
+        },
+        {
+          "label": "test_child2",
+          "description": " ",
+          "condition": {
+            "type": "EQUAL",
+            "values": [
+              "B2"
+            ]
+          },
+          "children": []
+        }
+      ]
+    }
+  ],
+  "content": {
+    "tables": [
+      {
+        "csv": "tests/sql/tree/simple/content.csv",
+        "name": "test_table",
+        "primaryColumn": {
+          "name": "pid",
+          "type": "STRING"
+        },
+        "columns": [
+          {
+            "name": "datum",
+            "type": "DATE"
+          },
+          {
+            "name": "test_column",
+            "type": "STRING"
+          }
+        ]
+      }
+    ]
+  }
+}