diff options
Diffstat (limited to 'src/backend/commands/prepare.c')
| -rw-r--r-- | src/backend/commands/prepare.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/src/backend/commands/prepare.c b/src/backend/commands/prepare.c index 0892ab9fbb0..02f8d14c8c8 100644 --- a/src/backend/commands/prepare.c +++ b/src/backend/commands/prepare.c @@ -10,7 +10,7 @@ * Copyright (c) 2002-2006, PostgreSQL Global Development Group * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.50 2006/04/22 01:25:58 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.51 2006/04/25 14:09:11 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -33,7 +33,6 @@ #include "utils/hsearch.h" #include "utils/memutils.h" - /* * The hash table in which prepared queries are stored. This is * per-backend: query plans are not shared between backends. @@ -548,6 +547,30 @@ DeallocateQuery(DeallocateStmt *stmt) } /* + * Remove all prepared plans from the backend. + */ +void +DropAllPreparedStatements(void) +{ + PreparedStatement *prep_statement; + HASH_SEQ_STATUS status; + + if (!prepared_queries) + return; + + hash_seq_init(&status, prepared_queries); + + while ((prep_statement = (PreparedStatement *) hash_seq_search(&status))) + { + DropDependentPortals(prep_statement->context); + + /* Flush the context holding the subsidiary data */ + MemoryContextDelete(prep_statement->context); + hash_search(prepared_queries, prep_statement->stmt_name, HASH_REMOVE, NULL); + } +} + +/* * Internal version of DEALLOCATE * * If showError is false, dropping a nonexistent statement is a no-op. |