Support for operators in storage decomposition

These changes allow for the application of functional operators in
the generation of column data in decomposed rows.

ldms/src/core/ldms.c

@@ -1377,6 +1377,9 @@ size_t __ldms_value_size_get(enum ldms_value_type t, uint32_t count)
 	case LDMS_V_RECORD_ARRAY:
 		vsz = sizeof(struct ldms_record_array);
 		break;
+	case LDMS_V_TIMESTAMP:
+		vsz = sizeof(struct ldms_timestamp);
+		break;
 	default:
 		assert(0 == "Unknown type");
 		return 0;
@@ -1385,6 +1388,11 @@ size_t __ldms_value_size_get(enum ldms_value_type t, uint32_t count)
 	return roundup(vsz, 8);
 }
 
+size_t ldms_metric_value_size_get(enum ldms_value_type t, uint32_t count)
+{
+	return __ldms_value_size_get(t, count);
+}
+
 void __ldms_metric_size_get(const char *name, const char *unit,
 			    enum ldms_value_type t,
 			    uint32_t count, size_t *meta_sz, size_t *data_sz)

ldms/src/core/ldms.h

@@ -2864,6 +2864,7 @@ extern int ldms_schema_metric_add_with_unit(ldms_schema_t s, const char *name,
 extern int ldms_schema_meta_add_with_unit(ldms_schema_t s, const char *name,
 					  const char *unit, enum ldms_value_type t);
 
+size_t ldms_metric_value_size_get(enum ldms_value_type t, uint32_t count);
 
 /**
  * \brief Return the heap bytes required
@@ -3564,6 +3565,7 @@ enum ldms_value_type ldms_record_metric_type_get(ldms_mval_t rec,
 void ldms_record_metric_set(ldms_mval_t rec_inst, int metric_id,
 			    ldms_mval_t val);
 
+
 /**
  * Set value to elements in the array metric in the record instance.
  *

ldms/src/decomp/flex/decomp_flex.c

@@ -378,6 +378,7 @@ static int __decomp_flex_decompose(ldmsd_strgp_t strgp, ldms_set_t set,
 			return 0;
 		digest_rbn = dcfg->default_digest;
 	}
+	*row_count = 0;
 	for (i = 0; i < digest_rbn->n_decomp; i++) {
 		rcount = 0;
 		decomp_rbn = digest_rbn->decomp_rbn[i];