invalid SQL statement name
SQLSTATE 26000 is raised when a named prepared statement referenced by EXECUTE, DEALLOCATE, or DESCRIBE does not exist — it was never prepared or was already deallocated.
- 1Calling EXECUTE on a prepared statement name that was never created with PREPARE
- 2Calling EXECUTE after the prepared statement was deallocated with DEALLOCATE
- 3Session reconnect after which prepared statements were lost (connections do not persist prepared statements)
EXECUTE on a non-existent prepared statement.
EXECUTE my_stmt(1, 'test'); -- my_stmt was never prepared in this session
expected output
ERROR: prepared statement "my_stmt" does not exist
Fix 1
Prepare the statement before executing it
WHEN When using explicit SQL-level PREPARE/EXECUTE.
PREPARE my_stmt (INT, TEXT) AS SELECT * FROM orders WHERE id = $1 AND status = $2; EXECUTE my_stmt(1, 'open');
Why this works
PREPARE must be called in the same session before EXECUTE. Prepared statements do not persist across connections.
Fix 2
Use driver-level prepared statements rather than SQL PREPARE
WHEN When using application-level drivers (JDBC, psycopg2, node-postgres).
Why this works
Driver-level prepared statements handle preparation transparently and re-prepare automatically on reconnect.
Class 26 — Invalid SQL Statement Name
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