Move out of loop

moj-analytical-services · Jan 17, 2024 · ca0e202 · ca0e202
1 parent 1ece5d7
commit ca0e202
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/splink/blocking.py b/splink/blocking.py
@@ -389,11 +389,11 @@ def materialise_exploded_id_tables(linker: Linker):
         br for br in blocking_rules if isinstance(br, ExplodingBlockingRule)
     ]
     exploded_tables = []
-    for br in exploding_blocking_rules:
-        input_dataframe = linker._initialise_df_concat_with_tf()
 
-        input_colnames = {col.name for col in input_dataframe.columns}
+    input_dataframe = linker._initialise_df_concat_with_tf()
+    input_colnames = {col.name for col in input_dataframe.columns}
 
+    for br in exploding_blocking_rules:
         arrays_to_explode_quoted = [
             InputColumn(colname, sql_dialect=linker._sql_dialect).quote().name
             for colname in br.array_columns_to_explode