Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Existing Python UDFs will continue to function until June 30, 2026. For more information, see the [ blog post ](https://amazonaws-china.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). 

# PG\_LAST\_QUERY\_ID
<a name="PG_LAST_QUERY_ID"></a>

Returns the query ID of the most recently completed query in the current session. If no queries have been run in the current session, PG\_LAST\_QUERY\_ID returns -1. PG\_LAST\_QUERY\_ID does not return the query ID for queries that run exclusively on the leader node. For more information, see [Leader node–only functions](c_SQL_functions_leader_node_only.md).

## Syntax
<a name="PG_LAST_QUERY_ID-synopsis"></a>

```
pg_last_query_id()
```

## Return type
<a name="PG_LAST_QUERY_ID-return-type"></a>

Returns an integer. 

## Example
<a name="PG_LAST_QUERY_ID-example"></a>

The following query returns the ID of the latest query completed in the current session. 

```
select pg_last_query_id();
```

Results are the following.

```
pg_last_query_id
----------------
           5437
(1 row)
```

The following query returns the query ID and text of the most recently completed query in the current session.

```
select query, trim(querytxt) as sqlquery
from stl_query
where query = pg_last_query_id();
```

Results are the following.

```
query | sqlquery
------+--------------------------------------------------
 5437 | select name, loadtime from stl_file_scan where loadtime > 1000000;
(1 rows)
```