diff options
Diffstat (limited to 'src/backend/access/common/reloptions.c')
| -rw-r--r-- | src/backend/access/common/reloptions.c | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/src/backend/access/common/reloptions.c b/src/backend/access/common/reloptions.c index 2e3fa5bcae5..28eacb4e478 100644 --- a/src/backend/access/common/reloptions.c +++ b/src/backend/access/common/reloptions.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/access/common/reloptions.c,v 1.30 2010/01/02 16:57:33 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/access/common/reloptions.c,v 1.31 2010/01/05 21:53:58 rhaas Exp $ * *------------------------------------------------------------------------- */ @@ -21,6 +21,7 @@ #include "access/reloptions.h" #include "catalog/pg_type.h" #include "commands/defrem.h" +#include "commands/tablespace.h" #include "nodes/makefuncs.h" #include "utils/array.h" #include "utils/builtins.h" @@ -179,6 +180,22 @@ static relopt_real realRelOpts[] = }, -1, 0.0, 100.0 }, + { + { + "seq_page_cost", + "Sets the planner's estimate of the cost of a sequentially fetched disk page.", + RELOPT_KIND_TABLESPACE + }, + -1, 0.0, DBL_MAX + }, + { + { + "random_page_cost", + "Sets the planner's estimate of the cost of a nonsequentially fetched disk page.", + RELOPT_KIND_TABLESPACE + }, + -1, 0.0, DBL_MAX + }, /* list terminator */ {{NULL}} }; @@ -1168,3 +1185,34 @@ index_reloptions(RegProcedure amoptions, Datum reloptions, bool validate) return DatumGetByteaP(result); } + +/* + * Option parser for tablespace reloptions + */ +bytea * +tablespace_reloptions(Datum reloptions, bool validate) +{ + relopt_value *options; + TableSpaceOpts *tsopts; + int numoptions; + static const relopt_parse_elt tab[] = { + {"random_page_cost", RELOPT_TYPE_REAL, offsetof(TableSpaceOpts, random_page_cost)}, + {"seq_page_cost", RELOPT_TYPE_REAL, offsetof(TableSpaceOpts, seq_page_cost)} + }; + + options = parseRelOptions(reloptions, validate, RELOPT_KIND_TABLESPACE, + &numoptions); + + /* if none set, we're done */ + if (numoptions == 0) + return NULL; + + tsopts = allocateReloptStruct(sizeof(TableSpaceOpts), options, numoptions); + + fillRelOptions((void *) tsopts, sizeof(TableSpaceOpts), options, numoptions, + validate, tab, lengthof(tab)); + + pfree(options); + + return (bytea *) tsopts; +} |