diff options
Diffstat (limited to 'src/backend/access/gin/ginutil.c')
| -rw-r--r-- | src/backend/access/gin/ginutil.c | 48 |
1 files changed, 40 insertions, 8 deletions
diff --git a/src/backend/access/gin/ginutil.c b/src/backend/access/gin/ginutil.c index 222ea677883..e0951a6a4f8 100644 --- a/src/backend/access/gin/ginutil.c +++ b/src/backend/access/gin/ginutil.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/access/gin/ginutil.c,v 1.20 2009/01/05 17:14:28 alvherre Exp $ + * $PostgreSQL: pgsql/src/backend/access/gin/ginutil.c,v 1.21 2009/03/24 20:17:11 tgl Exp $ *------------------------------------------------------------------------- */ @@ -57,7 +57,7 @@ initGinState(GinState *state, Relation index) CurrentMemoryContext); /* - * Check opclass capability to do partial match. + * Check opclass capability to do partial match. */ if ( index_getprocid(index, i+1, GIN_COMPARE_PARTIAL_PROC) != InvalidOid ) { @@ -88,7 +88,7 @@ gintuple_get_attrnum(GinState *ginstate, IndexTuple tuple) bool isnull; /* - * First attribute is always int16, so we can safely use any + * First attribute is always int16, so we can safely use any * tuple descriptor to obtain first attribute of tuple */ res = index_getattr(tuple, FirstOffsetNumber, ginstate->tupdesc[0], @@ -213,6 +213,22 @@ GinInitBuffer(Buffer b, uint32 f) GinInitPage(BufferGetPage(b), f, BufferGetPageSize(b)); } +void +GinInitMetabuffer(Buffer b) +{ + GinMetaPageData *metadata; + Page page = BufferGetPage(b); + + GinInitPage(page, GIN_META, BufferGetPageSize(b)); + + metadata = GinPageGetMeta(page); + + metadata->head = metadata->tail = InvalidBlockNumber; + metadata->tailFreeSize = 0; + metadata->nPendingPages = 0; + metadata->nPendingHeapTuples = 0; +} + int compareEntries(GinState *ginstate, OffsetNumber attnum, Datum a, Datum b) { @@ -315,10 +331,26 @@ ginoptions(PG_FUNCTION_ARGS) { Datum reloptions = PG_GETARG_DATUM(0); bool validate = PG_GETARG_BOOL(1); - bytea *result; + relopt_value *options; + GinOptions *rdopts; + int numoptions; + static const relopt_parse_elt tab[] = { + {"fastupdate", RELOPT_TYPE_BOOL, offsetof(GinOptions, useFastUpdate)} + }; + + options = parseRelOptions(reloptions, validate, RELOPT_KIND_GIN, + &numoptions); + + /* if none set, we're done */ + if (numoptions == 0) + PG_RETURN_NULL(); + + rdopts = allocateReloptStruct(sizeof(GinOptions), options, numoptions); + + fillRelOptions((void *) rdopts, sizeof(GinOptions), options, numoptions, + validate, tab, lengthof(tab)); + + pfree(options); - result = default_reloptions(reloptions, validate, RELOPT_KIND_GIN); - if (result) - PG_RETURN_BYTEA_P(result); - PG_RETURN_NULL(); + PG_RETURN_BYTEA_P(rdopts); } |