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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2009-10-08 02:39:25 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2009-10-08 02:39:25 +0000 |
| commit | 717fa274d14d9cd25396b85bb92f567e1c623f0c (patch) | |
| tree | 4fe298a9faa1fc8f038a9a1f35ee033abc3e41ed /src/backend/nodes/readfuncs.c | |
| parent | 2eda8dfb52ed9962920282d8384da8bb4c22514d (diff) | |
| download | postgresql-717fa274d14d9cd25396b85bb92f567e1c623f0c.tar.gz postgresql-717fa274d14d9cd25396b85bb92f567e1c623f0c.zip | |
Support use of function argument names to identify which actual arguments
match which function parameters. The syntax uses AS, for example
funcname(value AS arg1, anothervalue AS arg2)
Pavel Stehule
Diffstat (limited to 'src/backend/nodes/readfuncs.c')
| -rw-r--r-- | src/backend/nodes/readfuncs.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c index 8f5264d3575..205b6da4cd8 100644 --- a/src/backend/nodes/readfuncs.c +++ b/src/backend/nodes/readfuncs.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/nodes/readfuncs.c,v 1.223 2009/07/16 06:33:42 petere Exp $ + * $PostgreSQL: pgsql/src/backend/nodes/readfuncs.c,v 1.224 2009/10/08 02:39:21 tgl Exp $ * * NOTES * Path and Plan nodes do not have any readfuncs support, because we @@ -526,6 +526,22 @@ _readFuncExpr(void) } /* + * _readNamedArgExpr + */ +static NamedArgExpr * +_readNamedArgExpr(void) +{ + READ_LOCALS(NamedArgExpr); + + READ_NODE_FIELD(arg); + READ_STRING_FIELD(name); + READ_INT_FIELD(argnumber); + READ_LOCATION_FIELD(location); + + READ_DONE(); +} + +/* * _readOpExpr */ static OpExpr * @@ -1207,6 +1223,8 @@ parseNodeString(void) return_value = _readArrayRef(); else if (MATCH("FUNCEXPR", 8)) return_value = _readFuncExpr(); + else if (MATCH("NAMEDARGEXPR", 12)) + return_value = _readNamedArgExpr(); else if (MATCH("OPEXPR", 6)) return_value = _readOpExpr(); else if (MATCH("DISTINCTEXPR", 12)) |