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Persuade GIN to react to control-C in a reasonable amount of time 

while building a GIN index.
This commit is contained in:
Tom Lane 2008-05-16 01:27:06 +00:00
parent b62f246fb0
commit 8282d6fc70
1 changed files with 10 additions and 1 deletions
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11
src/backend/access/gin/gininsert.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/gin/gininsert.c,v 1.12 2008/05/12 00:00:44 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/access/gin/gininsert.c,v 1.13 2008/05/16 01:27:06 tgl Exp $
*-------------------------------------------------------------------------
*/
@ -246,7 +246,11 @@ ginBuildCallback(Relation index, HeapTuple htup, Datum *values,
uint32 nlist;
while ((list = ginGetEntry(&buildstate->accum, &entry, &nlist)) != NULL)
{
/* there could be many entries, so be willing to abort here */
CHECK_FOR_INTERRUPTS();
ginEntryInsert(index, &buildstate->ginstate, entry, list, nlist, TRUE);
}
MemoryContextReset(buildstate->tmpCtx);
ginInitBA(&buildstate->accum);
@ -331,9 +335,14 @@ ginbuild(PG_FUNCTION_ARGS)
reltuples = IndexBuildHeapScan(heap, index, indexInfo,
ginBuildCallback, (void *) &buildstate);
/* dump remaining entries to the index */
oldCtx = MemoryContextSwitchTo(buildstate.tmpCtx);
while ((list = ginGetEntry(&buildstate.accum, &entry, &nlist)) != NULL)
{
/* there could be many entries, so be willing to abort here */
CHECK_FOR_INTERRUPTS();
ginEntryInsert(index, &buildstate.ginstate, entry, list, nlist, TRUE);
}
MemoryContextSwitchTo(oldCtx);
MemoryContextDelete(buildstate.tmpCtx);