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Small code cleanup for recent UPDATE SET (values) patch.

This commit is contained in:
Bruce Momjian 2006-09-02 20:52:01 +00:00
parent 6e8596a146
commit 1cc9299a7a
1 changed files with 9 additions and 18 deletions
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27
src/backend/parser/gram.y
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@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.561 2006/09/02 20:34:47 momjian Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.562 2006/09/02 20:52:01 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -238,7 +238,7 @@ static void doNegateFloat(Value *v);
qualified_name_list any_name any_name_list
any_operator expr_list attrs
target_list update_col_list update_target_list
update_value_list insert_column_list
update_value_list set_opt insert_column_list
values_list def_list indirection opt_indirection
group_clause TriggerFuncArgs select_limit
opt_select_limit opclass_item_list
@ -5526,21 +5526,7 @@ opt_nowait: NOWAIT { $$ = TRUE; }
*****************************************************************************/
UpdateStmt: UPDATE relation_expr_opt_alias
SET update_target_list
from_clause
where_clause
returning_clause
{
UpdateStmt *n = makeNode(UpdateStmt);
n->relation = $2;
n->targetList = $4;
n->fromClause = $5;
n->whereClause = $6;
n->returningList = $7;
$$ = (Node *)n;
}
| UPDATE relation_expr_opt_alias
SET update_target_lists_list
SET set_opt
from_clause
where_clause
returning_clause
@ -5555,6 +5541,11 @@ UpdateStmt: UPDATE relation_expr_opt_alias
}
;
set_opt:
update_target_list { $$ = $1; }
| update_target_lists_list { $$ = $1; }
;
/*****************************************************************************
*
@ -5981,7 +5972,7 @@ update_target_lists_el:
{
/* merge update_value_list with update_col_list */
ResTarget *res_col = (ResTarget *) lfirst(col_cell);
ResTarget *res_val = (ResTarget *) lfirst(val_cell);
Node *res_val = (Node *) lfirst(val_cell);
res_col->val = (Node *)copyObject(res_val);
}