diff options
Diffstat (limited to 'src/backend/commands/prepare.c')
| -rw-r--r-- | src/backend/commands/prepare.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/backend/commands/prepare.c b/src/backend/commands/prepare.c index 5420da4a626..7932f838fee 100644 --- a/src/backend/commands/prepare.c +++ b/src/backend/commands/prepare.c @@ -10,7 +10,7 @@ * Copyright (c) 2002-2005, PostgreSQL Global Development Group * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.41 2005/10/15 02:49:15 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.42 2005/10/21 16:43:33 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -605,6 +605,15 @@ ExplainExecuteQuery(ExplainStmt *stmt, TupOutputState *tstate) query->into = execstmt->into; } + /* + * Update snapshot command ID to ensure this query sees results of + * any previously executed queries. (It's a bit cheesy to modify + * ActiveSnapshot without making a copy, but for the limited ways + * in which EXPLAIN can be invoked, I think it's OK, because the + * active snapshot shouldn't be shared with anything else anyway.) + */ + ActiveSnapshot->curcid = GetCurrentCommandId(); + /* Create a QueryDesc requesting no output */ qdesc = CreateQueryDesc(query, plan, ActiveSnapshot, InvalidSnapshot, |