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Invert logic in pg_exec_query_string() so that we set a snapshot for

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all utility statement types *except* a short list, per discussion a few
days ago.  Add missing SetQuerySnapshot calls in VACUUM and REINDEX,
and guard against calling REINDEX DATABASE from a function (has same
problem as VACUUM).
This commit is contained in:
Tom Lane
2002-10-19 20:15:09 +00:00
parent c1f91a38e2
commit 60992456ed
3 changed files with 37 additions and 14 deletions
src/backend
commands
indexcmds.cvacuum.c
tcop
postgres.c

7
src/backend/commands/indexcmds.c

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/indexcmds.c,v 1.90 2002/09/23 00:42:48 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/indexcmds.c,v 1.91 2002/10/19 20:15:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -669,6 +669,10 @@ ReindexDatabase(const char *dbname, bool force, bool all)
if (IsTransactionBlock())
elog(ERROR, "REINDEX DATABASE cannot run inside a BEGIN/END block");
/* Running this from a function would free the function context */
if (!MemoryContextContains(QueryContext, (void *) dbname))
elog(ERROR, "REINDEX DATABASE cannot be executed from a function");
/*
* Create a memory context that will survive forced transaction
* commits we do below. Since it is a child of QueryContext, it will
@ -724,6 +728,7 @@ ReindexDatabase(const char *dbname, bool force, bool all)
for (i = 0; i < relcnt; i++)
{
StartTransactionCommand(true);
SetQuerySnapshot(); /* might be needed for functional index */
if (reindex_relation(relids[i], force))
elog(NOTICE, "relation %u was reindexed", relids[i]);
CommitTransactionCommand(true);