Enable the migration to run without always recreating an index (#98)

postgres-persistence/src/main/resources/db/migration_postgres/V9__indexing_index_fix.sql

@@ -7,6 +7,6 @@ CREATE INDEX CONCURRENTLY IF NOT EXISTS workflow_index_json_data_gin_idx ON work
 DROP INDEX CONCURRENTLY IF EXISTS task_index_json_data_json_idx;
 DROP INDEX CONCURRENTLY IF EXISTS task_index_json_data_text_idx;
 -- Create the full text index on the json_data column of the task_index table
-CREATE INDEX CONCURRENTLY IF NOT EXISTS task_index_json_data_json_idx ON task_index USING GIN (jsonb_to_tsvector('english', json_data, '["all"]'));
+CREATE INDEX CONCURRENTLY IF NOT EXISTS task_index_json_data_fulltext_idx ON task_index USING GIN (jsonb_to_tsvector('english', json_data, '["all"]'));
 -- Create a new index to enable querying the json by attribute and value
 CREATE INDEX CONCURRENTLY IF NOT EXISTS task_index_json_data_gin_idx ON task_index USING GIN (json_data jsonb_path_ops);