Update range.sql

This "if" just disturb create partition for empty table and force you to use "if select count (*) = 0 from tablename then create_range_partition(p_count = 0) else create_range_partition(p_=null, let pathman count how many partition need to) 
And it wery often create partition of empty table in case of liquibase or other db struct maneger

Author: Hunterk95

range.sql

@@ -79,10 +79,6 @@ BEGIN
 		EXECUTE pg_catalog.format('SELECT count(*), max(%s) FROM %s', expression, parent_relid)
 		INTO rows_count, max_value;
 
-		IF rows_count = 0 THEN
-			RAISE EXCEPTION 'cannot determine partitions count for empty table';
-		END IF;
-
 		p_count := 0;
 		WHILE cur_value <= max_value
 		LOOP
@@ -172,10 +168,6 @@ BEGIN
 		EXECUTE pg_catalog.format('SELECT count(*), max(%s) FROM %s', expression, parent_relid)
 		INTO rows_count, max_value;
 
-		IF rows_count = 0 THEN
-			RAISE EXCEPTION 'cannot determine partitions count for empty table';
-		END IF;
-
 		IF max_value IS NULL THEN
 			RAISE EXCEPTION 'expression "%" can return NULL values', expression;
 		END IF;