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Support use of function argument names to identify which actual arguments

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match which function parameters.  The syntax uses AS, for example
	funcname(value AS arg1, anothervalue AS arg2)

Pavel Stehule
This commit is contained in:
Tom Lane
2009-10-08 02:39:25 +00:00
parent 2eda8dfb52
commit 717fa274d1
34 changed files with 1925 additions and 274 deletions
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13
src/include/parser/parse_func.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/parser/parse_func.h,v 1.65 2009/05/12 00:56:05 tgl Exp $
* $PostgreSQL: pgsql/src/include/parser/parse_func.h,v 1.66 2009/10/08 02:39:25 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -47,7 +47,8 @@ extern Node *ParseFuncOrColumn(ParseState *pstate,
bool agg_star, bool agg_distinct, bool func_variadic,
WindowDef *over, bool is_column, int location);
extern FuncDetailCode func_get_detail(List *funcname, List *fargs,
extern FuncDetailCode func_get_detail(List *funcname,
List *fargs, List *fargnames,
int nargs, Oid *argtypes,
bool expand_variadic, bool expand_defaults,
Oid *funcid, Oid *rettype,
@ -68,10 +69,10 @@ extern void make_fn_arguments(ParseState *pstate,
Oid *actual_arg_types,
Oid *declared_arg_types);
extern const char *funcname_signature_string(const char *funcname,
int nargs, const Oid *argtypes);
extern const char *func_signature_string(List *funcname,
int nargs, const Oid *argtypes);
extern const char *funcname_signature_string(const char *funcname, int nargs,
List *argnames, const Oid *argtypes);
extern const char *func_signature_string(List *funcname, int nargs,
List *argnames, const Oid *argtypes);
extern Oid LookupFuncName(List *funcname, int nargs, const Oid *argtypes,
bool noError);