diff options
Diffstat (limited to 'src/backend/access/index/genam.c')
| -rw-r--r-- | src/backend/access/index/genam.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/src/backend/access/index/genam.c b/src/backend/access/index/genam.c index 56eabbaf421..cfc2a833cd3 100644 --- a/src/backend/access/index/genam.c +++ b/src/backend/access/index/genam.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/access/index/genam.c,v 1.55 2006/05/07 01:21:30 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/access/index/genam.c,v 1.56 2006/07/02 02:23:18 momjian Exp $ * * NOTES * many of the old access method routines have been turned into @@ -21,8 +21,12 @@ #include "access/genam.h" #include "access/heapam.h" +#include "commands/defrem.h" #include "miscadmin.h" +#include "nodes/parsenodes.h" +#include "parser/parse_clause.h" #include "pgstat.h" +#include "utils/catcache.h" /* ---------------------------------------------------------------- @@ -260,3 +264,44 @@ systable_endscan(SysScanDesc sysscan) pfree(sysscan); } + +/* + * Parse options for generic indexes. + */ +bytea * +genam_option(ArrayType *options, + int minFillfactor, int defaultFillfactor) +{ + int fillfactor; + IndexOption *result; + + DefElem kwds[] = + { + { T_DefElem, "fillfactor" }, + }; + + /* + * parse options + */ + OptionParse(options, lengthof(kwds), kwds, true); + + /* 0: fillfactor */ + if (kwds[0].arg) + fillfactor = (int) defGetInt64(&kwds[0]); + else + fillfactor = defaultFillfactor; + if (fillfactor < minFillfactor || 100 < fillfactor) + ereport(ERROR, + (errcode(ERRCODE_INVALID_PARAMETER_VALUE), + errmsg("fillfactor=%d should be between %d and 100", + fillfactor, minFillfactor))); + + /* + * build options + */ + result = (IndexOption *) + MemoryContextAlloc(CacheMemoryContext, sizeof(IndexOption)); + VARATT_SIZEP(result) = sizeof(IndexOption); + result->fillfactor = fillfactor; + return (bytea *) result; +} |