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Add a convenience routine makeFuncCall to reduce duplication.

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David Fetter and Andrew Gierth, reviewed by Jeevan Chalke
This commit is contained in:
Robert Haas
2013-07-01 14:41:33 -04:00
parent 3132a9b7ab
commit 0d22987ae9
5 changed files with 96 additions and 351 deletions
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25
src/backend/nodes/makefuncs.c
View File

@ -508,3 +508,28 @@ makeDefElemExtended(char *nameSpace, char *name, Node *arg,
return res; return res;
} }
/*
* makeFuncCall -
*
* Initialize a FuncCall struct with the information every caller must
* supply. Any non-default parameters have to be handled by the
* caller.
*
*/
FuncCall *
makeFuncCall(List *name, List *args, int location)
{
FuncCall *n = makeNode(FuncCall);
n->funcname = name;
n->args = args;
n->location = location;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
return n;
}

402
src/backend/parser/gram.y
View File

@ -10503,16 +10503,9 @@ a_expr: c_expr { $$ = $1; }
} }
| a_expr AT TIME ZONE a_expr %prec AT | a_expr AT TIME ZONE a_expr %prec AT
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("timezone"),
n->funcname = SystemFuncName("timezone"); list_make2($5, $1),
n->args = list_make2($5, $1); @2);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @2;
$$ = (Node *) n;
} }
/* /*
* These operators must be called out explicitly in order to make use * These operators must be called out explicitly in order to make use
@ -10564,113 +10557,65 @@ a_expr: c_expr { $$ = $1; }
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~~", $1, $3, @2); } { $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~~", $1, $3, @2); }
| a_expr LIKE a_expr ESCAPE a_expr | a_expr LIKE a_expr ESCAPE a_expr
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall(SystemFuncName("like_escape"),
n->funcname = SystemFuncName("like_escape"); list_make2($3, $5),
n->args = list_make2($3, $5); @2);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @2;
$$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~~", $1, (Node *) n, @2); $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~~", $1, (Node *) n, @2);
} }
| a_expr NOT LIKE a_expr | a_expr NOT LIKE a_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~~", $1, $4, @2); } { $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~~", $1, $4, @2); }
| a_expr NOT LIKE a_expr ESCAPE a_expr | a_expr NOT LIKE a_expr ESCAPE a_expr
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall(SystemFuncName("like_escape"),
n->funcname = SystemFuncName("like_escape"); list_make2($4, $6),
n->args = list_make2($4, $6); @2);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @2;
$$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~~", $1, (Node *) n, @2); $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~~", $1, (Node *) n, @2);
} }
| a_expr ILIKE a_expr | a_expr ILIKE a_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~~*", $1, $3, @2); } { $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~~*", $1, $3, @2); }
| a_expr ILIKE a_expr ESCAPE a_expr | a_expr ILIKE a_expr ESCAPE a_expr
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall(SystemFuncName("like_escape"),
n->funcname = SystemFuncName("like_escape"); list_make2($3, $5),
n->args = list_make2($3, $5); @2);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @2;
$$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~~*", $1, (Node *) n, @2); $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~~*", $1, (Node *) n, @2);
} }
| a_expr NOT ILIKE a_expr | a_expr NOT ILIKE a_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~~*", $1, $4, @2); } { $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~~*", $1, $4, @2); }
| a_expr NOT ILIKE a_expr ESCAPE a_expr | a_expr NOT ILIKE a_expr ESCAPE a_expr
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall(SystemFuncName("like_escape"),
n->funcname = SystemFuncName("like_escape"); list_make2($4, $6),
n->args = list_make2($4, $6); @2);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @2;
$$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~~*", $1, (Node *) n, @2); $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~~*", $1, (Node *) n, @2);
} }
| a_expr SIMILAR TO a_expr %prec SIMILAR | a_expr SIMILAR TO a_expr %prec SIMILAR
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall(SystemFuncName("similar_escape"),
n->funcname = SystemFuncName("similar_escape"); list_make2($4, makeNullAConst(-1)),
n->args = list_make2($4, makeNullAConst(-1)); @2);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @2;
$$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~", $1, (Node *) n, @2); $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~", $1, (Node *) n, @2);
} }
| a_expr SIMILAR TO a_expr ESCAPE a_expr | a_expr SIMILAR TO a_expr ESCAPE a_expr
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall(SystemFuncName("similar_escape"),
n->funcname = SystemFuncName("similar_escape"); list_make2($4, $6),
n->args = list_make2($4, $6); @2);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @2;
$$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~", $1, (Node *) n, @2); $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "~", $1, (Node *) n, @2);
} }
| a_expr NOT SIMILAR TO a_expr %prec SIMILAR | a_expr NOT SIMILAR TO a_expr %prec SIMILAR
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall(SystemFuncName("similar_escape"),
n->funcname = SystemFuncName("similar_escape"); list_make2($5, makeNullAConst(-1)),
n->args = list_make2($5, makeNullAConst(-1)); @2);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @2;
$$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~", $1, (Node *) n, @2); $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~", $1, (Node *) n, @2);
} }
| a_expr NOT SIMILAR TO a_expr ESCAPE a_expr | a_expr NOT SIMILAR TO a_expr ESCAPE a_expr
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall(SystemFuncName("similar_escape"),
n->funcname = SystemFuncName("similar_escape"); list_make2($5, $7),
n->args = list_make2($5, $7); @2);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @2;
$$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~", $1, (Node *) n, @2); $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "!~", $1, (Node *) n, @2);
} }
@ -11097,97 +11042,45 @@ c_expr: columnref { $$ = $1; }
func_application: func_name '(' ')' func_application: func_name '(' ')'
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall($1, NIL, @1);
n->funcname = $1;
n->args = NIL;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| func_name '(' func_arg_list ')' | func_name '(' func_arg_list ')'
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall($1, $3, @1);
n->funcname = $1;
n->args = $3;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| func_name '(' VARIADIC func_arg_expr ')' | func_name '(' VARIADIC func_arg_expr ')'
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall($1, list_make1($4), @1);
n->funcname = $1;
n->args = list_make1($4);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = TRUE; n->func_variadic = TRUE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n; $$ = (Node *)n;
} }
| func_name '(' func_arg_list ',' VARIADIC func_arg_expr ')' | func_name '(' func_arg_list ',' VARIADIC func_arg_expr ')'
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall($1, lappend($3, $6), @1);
n->funcname = $1;
n->args = lappend($3, $6);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = TRUE; n->func_variadic = TRUE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n; $$ = (Node *)n;
} }
| func_name '(' func_arg_list sort_clause ')' | func_name '(' func_arg_list sort_clause ')'
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall($1, $3, @1);
n->funcname = $1;
n->args = $3;
n->agg_order = $4; n->agg_order = $4;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n; $$ = (Node *)n;
} }
| func_name '(' ALL func_arg_list opt_sort_clause ')' | func_name '(' ALL func_arg_list opt_sort_clause ')'
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall($1, $4, @1);
n->funcname = $1;
n->args = $4;
n->agg_order = $5; n->agg_order = $5;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
/* Ideally we'd mark the FuncCall node to indicate /* Ideally we'd mark the FuncCall node to indicate
* "must be an aggregate", but there's no provision * "must be an aggregate", but there's no provision
* for that in FuncCall at the moment. * for that in FuncCall at the moment.
*/ */
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n; $$ = (Node *)n;
} }
| func_name '(' DISTINCT func_arg_list opt_sort_clause ')' | func_name '(' DISTINCT func_arg_list opt_sort_clause ')'
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall($1, $4, @1);
n->funcname = $1;
n->args = $4;
n->agg_order = $5; n->agg_order = $5;
n->agg_star = FALSE;
n->agg_distinct = TRUE; n->agg_distinct = TRUE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n; $$ = (Node *)n;
} }
| func_name '(' '*' ')' | func_name '(' '*' ')'
@ -11202,15 +11095,8 @@ func_application: func_name '(' ')'
* so that later processing can detect what the argument * so that later processing can detect what the argument
* really was. * really was.
*/ */
FuncCall *n = makeNode(FuncCall); FuncCall *n = makeFuncCall($1, NIL, @1);
n->funcname = $1;
n->args = NIL;
n->agg_order = NIL;
n->agg_star = TRUE; n->agg_star = TRUE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n; $$ = (Node *)n;
} }
; ;
@ -11252,16 +11138,9 @@ func_expr_windowless:
func_expr_common_subexpr: func_expr_common_subexpr:
COLLATION FOR '(' a_expr ')' COLLATION FOR '(' a_expr ')'
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("pg_collation_for"),
n->funcname = SystemFuncName("pg_collation_for"); list_make1($4),
n->args = list_make1($4); @1);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| CURRENT_DATE | CURRENT_DATE
{ {
@ -11313,16 +11192,7 @@ func_expr_common_subexpr:
* Translate as "now()", since we have a function that * Translate as "now()", since we have a function that
* does exactly what is needed. * does exactly what is needed.
*/ */
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("now"), NIL, @1);
n->funcname = SystemFuncName("now");
n->args = NIL;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| CURRENT_TIMESTAMP '(' Iconst ')' | CURRENT_TIMESTAMP '(' Iconst ')'
{ {
@ -11385,96 +11255,33 @@ func_expr_common_subexpr:
} }
| CURRENT_ROLE | CURRENT_ROLE
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("current_user"), NIL, @1);
n->funcname = SystemFuncName("current_user");
n->args = NIL;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| CURRENT_USER | CURRENT_USER
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("current_user"), NIL, @1);
n->funcname = SystemFuncName("current_user");
n->args = NIL;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| SESSION_USER | SESSION_USER
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("session_user"), NIL, @1);
n->funcname = SystemFuncName("session_user");
n->args = NIL;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| USER | USER
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("current_user"), NIL, @1);
n->funcname = SystemFuncName("current_user");
n->args = NIL;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| CURRENT_CATALOG | CURRENT_CATALOG
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("current_database"), NIL, @1);
n->funcname = SystemFuncName("current_database");
n->args = NIL;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| CURRENT_SCHEMA | CURRENT_SCHEMA
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("current_schema"), NIL, @1);
n->funcname = SystemFuncName("current_schema");
n->args = NIL;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| CAST '(' a_expr AS Typename ')' | CAST '(' a_expr AS Typename ')'
{ $$ = makeTypeCast($3, $5, @1); } { $$ = makeTypeCast($3, $5, @1); }
| EXTRACT '(' extract_list ')' | EXTRACT '(' extract_list ')'
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("date_part"), $3, @1);
n->funcname = SystemFuncName("date_part");
n->args = $3;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| OVERLAY '(' overlay_list ')' | OVERLAY '(' overlay_list ')'
{ {
@ -11483,46 +11290,19 @@ func_expr_common_subexpr:
* overlay(A PLACING B FROM C) is converted to * overlay(A PLACING B FROM C) is converted to
* overlay(A, B, C) * overlay(A, B, C)
*/ */
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("overlay"), $3, @1);
n->funcname = SystemFuncName("overlay");
n->args = $3;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| POSITION '(' position_list ')' | POSITION '(' position_list ')'
{ {
/* position(A in B) is converted to position(B, A) */ /* position(A in B) is converted to position(B, A) */
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("position"), $3, @1);
n->funcname = SystemFuncName("position");
n->args = $3;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| SUBSTRING '(' substr_list ')' | SUBSTRING '(' substr_list ')'
{ {
/* substring(A from B for C) is converted to /* substring(A from B for C) is converted to
* substring(A, B, C) - thomas 2000-11-28 * substring(A, B, C) - thomas 2000-11-28
*/ */
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("substring"), $3, @1);
n->funcname = SystemFuncName("substring");
n->args = $3;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| TREAT '(' a_expr AS Typename ')' | TREAT '(' a_expr AS Typename ')'
{ {
@ -11531,75 +11311,32 @@ func_expr_common_subexpr:
* In SQL99, this is intended for use with structured UDTs, * In SQL99, this is intended for use with structured UDTs,
* but let's make this a generally useful form allowing stronger * but let's make this a generally useful form allowing stronger
* coercions than are handled by implicit casting. * coercions than are handled by implicit casting.
*/ *
FuncCall *n = makeNode(FuncCall); * Convert SystemTypeName() to SystemFuncName() even though
/* Convert SystemTypeName() to SystemFuncName() even though
* at the moment they result in the same thing. * at the moment they result in the same thing.
*/ */
n->funcname = SystemFuncName(((Value *)llast($5->names))->val.str); $$ = (Node *) makeFuncCall(SystemFuncName(((Value *)llast($5->names))->val.str),
n->args = list_make1($3); list_make1($3),
n->agg_order = NIL; @1);
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| TRIM '(' BOTH trim_list ')' | TRIM '(' BOTH trim_list ')'
{ {
/* various trim expressions are defined in SQL /* various trim expressions are defined in SQL
* - thomas 1997-07-19 * - thomas 1997-07-19
*/ */
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("btrim"), $4, @1);
n->funcname = SystemFuncName("btrim");
n->args = $4;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| TRIM '(' LEADING trim_list ')' | TRIM '(' LEADING trim_list ')'
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("ltrim"), $4, @1);
n->funcname = SystemFuncName("ltrim");
n->args = $4;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| TRIM '(' TRAILING trim_list ')' | TRIM '(' TRAILING trim_list ')'
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("rtrim"), $4, @1);
n->funcname = SystemFuncName("rtrim");
n->args = $4;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| TRIM '(' trim_list ')' | TRIM '(' trim_list ')'
{ {
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("btrim"), $3, @1);
n->funcname = SystemFuncName("btrim");
n->args = $3;
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| NULLIF '(' a_expr ',' a_expr ')' | NULLIF '(' a_expr ',' a_expr ')'
{ {
@ -11652,16 +11389,7 @@ func_expr_common_subexpr:
{ {
/* xmlexists(A PASSING [BY REF] B [BY REF]) is /* xmlexists(A PASSING [BY REF] B [BY REF]) is
* converted to xmlexists(A, B)*/ * converted to xmlexists(A, B)*/
FuncCall *n = makeNode(FuncCall); $$ = (Node *) makeFuncCall(SystemFuncName("xmlexists"), list_make2($3, $4), @1);
n->funcname = SystemFuncName("xmlexists");
n->args = list_make2($3, $4);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = @1;
$$ = (Node *)n;
} }
| XMLFOREST '(' xml_attribute_list ')' | XMLFOREST '(' xml_attribute_list ')'
{ {
@ -13317,9 +13045,7 @@ makeBoolAConst(bool state, int location)
static FuncCall * static FuncCall *
makeOverlaps(List *largs, List *rargs, int location, core_yyscan_t yyscanner) makeOverlaps(List *largs, List *rargs, int location, core_yyscan_t yyscanner)
{ {
FuncCall *n = makeNode(FuncCall); FuncCall *n;
n->funcname = SystemFuncName("overlaps");
if (list_length(largs) == 1) if (list_length(largs) == 1)
largs = lappend(largs, largs); largs = lappend(largs, largs);
else if (list_length(largs) != 2) else if (list_length(largs) != 2)
@ -13334,13 +13060,7 @@ makeOverlaps(List *largs, List *rargs, int location, core_yyscan_t yyscanner)
(errcode(ERRCODE_SYNTAX_ERROR), (errcode(ERRCODE_SYNTAX_ERROR),
errmsg("wrong number of parameters on right side of OVERLAPS expression"), errmsg("wrong number of parameters on right side of OVERLAPS expression"),
parser_errposition(location))); parser_errposition(location)));
n->args = list_concat(largs, rargs); n = makeFuncCall(SystemFuncName("overlaps"), list_concat(largs, rargs), location);
n->agg_order = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
n->func_variadic = FALSE;
n->over = NULL;
n->location = location;
return n; return n;
} }

13
src/backend/parser/parse_utilcmd.c
View File

@ -448,16 +448,9 @@ transformColumnDefinition(CreateStmtContext *cxt, ColumnDef *column)
castnode->typeName = SystemTypeName("regclass"); castnode->typeName = SystemTypeName("regclass");
castnode->arg = (Node *) snamenode; castnode->arg = (Node *) snamenode;
castnode->location = -1; castnode->location = -1;
funccallnode = makeNode(FuncCall); funccallnode = makeFuncCall(SystemFuncName("nextval"),
funccallnode->funcname = SystemFuncName("nextval"); list_make1(castnode),
funccallnode->args = list_make1(castnode); -1);
funccallnode->agg_order = NIL;
funccallnode->agg_star = false;
funccallnode->agg_distinct = false;
funccallnode->func_variadic = false;
funccallnode->over = NULL;
funccallnode->location = -1;
constraint = makeNode(Constraint); constraint = makeNode(Constraint);
constraint->contype = CONSTR_DEFAULT; constraint->contype = CONSTR_DEFAULT;
constraint->location = -1; constraint->location = -1;

2
src/include/nodes/makefuncs.h
View File

@ -75,6 +75,8 @@ extern TypeName *makeTypeNameFromOid(Oid typeOid, int32 typmod);
extern FuncExpr *makeFuncExpr(Oid funcid, Oid rettype, List *args, extern FuncExpr *makeFuncExpr(Oid funcid, Oid rettype, List *args,
Oid funccollid, Oid inputcollid, CoercionForm fformat); Oid funccollid, Oid inputcollid, CoercionForm fformat);
extern FuncCall *makeFuncCall(List *name, List *args, int location);
extern DefElem *makeDefElem(char *name, Node *arg); extern DefElem *makeDefElem(char *name, Node *arg);
extern DefElem *makeDefElemExtended(char *nameSpace, char *name, Node *arg, extern DefElem *makeDefElemExtended(char *nameSpace, char *name, Node *arg,
DefElemAction defaction); DefElemAction defaction);

5
src/include/nodes/parsenodes.h
View File

@ -285,6 +285,11 @@ typedef struct CollateClause
* construct *must* be an aggregate call. Otherwise, it might be either an * construct *must* be an aggregate call. Otherwise, it might be either an
* aggregate or some other kind of function. However, if OVER is present * aggregate or some other kind of function. However, if OVER is present
* it had better be an aggregate or window function. * it had better be an aggregate or window function.
*
* Normally, you'd initialize this via makeFuncCall() and then only
* change the parts of the struct its defaults don't match afterwards
* if needed.
*
*/ */
typedef struct FuncCall typedef struct FuncCall
{ {