Fix an issue with the postgres indices as they weren't being used pro…

…perly

postgres-persistence/src/main/java/com/netflix/conductor/postgres/util/PostgresIndexQueryBuilder.java

@@ -186,7 +186,7 @@ private void parseFreeText(String freeText) {
                 conditions.add(cond);
             } else {
                 Condition cond = new Condition();
-                cond.setAttribute("to_tsvector(json_data::text)");
+                cond.setAttribute("jsonb_to_tsvector('english', json_data, '[\"all\"]')");
                 cond.setOperator("@@");
                 String[] values = {freeText};
                 cond.setValues(Arrays.asList(values));

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

@@ -0,0 +1,12 @@
+-- Drop the unused text index on the json_data column
+DROP INDEX CONCURRENTLY IF EXISTS workflow_index_json_data_text_idx;
+-- Create a new index to enable querying the json by attribute and value
+CREATE INDEX CONCURRENTLY IF NOT EXISTS workflow_index_json_data_gin_idx ON workflow_index USING GIN (json_data jsonb_path_ops);
+
+-- Drop the incorrectly created indices on the workflow_index that should be on the task_index table
+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 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);