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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2008-10-31 08:39:22 +0000 |
|---|---|---|
| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2008-10-31 08:39:22 +0000 |
| commit | 092bc4965378840479e0250ae679e1d8e86577ee (patch) | |
| tree | 12c24eea593d31739af864d8665553be6d33426c /src/backend/parser/parse_coerce.c | |
| parent | 34e37d58ed138bca3f7f0c799fdc1bb7bbc3d402 (diff) | |
| download | postgresql-092bc4965378840479e0250ae679e1d8e86577ee.tar.gz postgresql-092bc4965378840479e0250ae679e1d8e86577ee.zip | |
Add support for user-defined I/O conversion casts.
Diffstat (limited to 'src/backend/parser/parse_coerce.c')
| -rw-r--r-- | src/backend/parser/parse_coerce.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/src/backend/parser/parse_coerce.c b/src/backend/parser/parse_coerce.c index 6d703ae5718..112a07beb58 100644 --- a/src/backend/parser/parse_coerce.c +++ b/src/backend/parser/parse_coerce.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.170 2008/10/25 17:19:09 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/parser/parse_coerce.c,v 2.171 2008/10/31 08:39:21 heikki Exp $ * *------------------------------------------------------------------------- */ @@ -1909,11 +1909,23 @@ find_coercion_pathway(Oid targetTypeId, Oid sourceTypeId, /* Rely on ordering of enum for correct behavior here */ if (ccontext >= castcontext) { - *funcid = castForm->castfunc; - if (OidIsValid(*funcid)) - result = COERCION_PATH_FUNC; - else - result = COERCION_PATH_RELABELTYPE; + switch (castForm->castmethod) + { + case COERCION_METHOD_FUNCTION: + result = COERCION_PATH_FUNC; + *funcid = castForm->castfunc; + break; + case COERCION_METHOD_INOUT: + result = COERCION_PATH_COERCEVIAIO; + break; + case COERCION_METHOD_BINARY: + result = COERCION_PATH_RELABELTYPE; + break; + default: + elog(ERROR, "unrecognized castmethod: %d", + (int) castForm->castmethod); + break; + } } ReleaseSysCache(tuple); |