diff options
Diffstat (limited to 'src/backend/tcop/pquery.c')
| -rw-r--r-- | src/backend/tcop/pquery.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/backend/tcop/pquery.c b/src/backend/tcop/pquery.c index 001be06521..37ee0d4f20 100644 --- a/src/backend/tcop/pquery.c +++ b/src/backend/tcop/pquery.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/tcop/pquery.c,v 1.99 2006/02/21 23:01:54 neilc Exp $ + * $PostgreSQL: pgsql/src/backend/tcop/pquery.c,v 1.100 2006/02/28 04:10:28 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -164,9 +164,9 @@ ProcessQuery(Query *parsetree, AfterTriggerBeginQuery(); /* - * Call ExecStart to prepare the plan for execution + * Call ExecutorStart to prepare the plan for execution */ - ExecutorStart(queryDesc, false); + ExecutorStart(queryDesc, 0); /* * Run the plan to completion. @@ -329,6 +329,7 @@ PortalStart(Portal portal, ParamListInfo params, Snapshot snapshot) MemoryContext savePortalContext; MemoryContext oldContext; QueryDesc *queryDesc; + int eflags; AssertArg(PortalIsValid(portal)); AssertState(portal->queryContext != NULL); /* query defined? */ @@ -394,9 +395,18 @@ PortalStart(Portal portal, ParamListInfo params, Snapshot snapshot) */ /* - * Call ExecStart to prepare the plan for execution + * If it's a scrollable cursor, executor needs to support + * REWIND and backwards scan. */ - ExecutorStart(queryDesc, false); + if (portal->cursorOptions & CURSOR_OPT_SCROLL) + eflags = EXEC_FLAG_REWIND | EXEC_FLAG_BACKWARD; + else + eflags = 0; /* default run-to-completion flags */ + + /* + * Call ExecutorStart to prepare the plan for execution + */ + ExecutorStart(queryDesc, eflags); /* * This tells PortalCleanup to shut down the executor |