diff options
Diffstat (limited to 'src/backend/nodes/nodeFuncs.c')
| -rw-r--r-- | src/backend/nodes/nodeFuncs.c | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/src/backend/nodes/nodeFuncs.c b/src/backend/nodes/nodeFuncs.c index baf98b67634..7236360347c 100644 --- a/src/backend/nodes/nodeFuncs.c +++ b/src/backend/nodes/nodeFuncs.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/nodes/nodeFuncs.c,v 1.34 2008/10/06 17:39:26 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/nodes/nodeFuncs.c,v 1.35 2008/10/21 20:42:52 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -220,6 +220,9 @@ exprType(Node *expr) case T_CurrentOfExpr: type = BOOLOID; break; + case T_PlaceHolderVar: + type = exprType((Node *) ((PlaceHolderVar *) expr)->phexpr); + break; default: elog(ERROR, "unrecognized node type: %d", (int) nodeTag(expr)); type = InvalidOid; /* keep compiler quiet */ @@ -420,6 +423,8 @@ exprTypmod(Node *expr) return ((CoerceToDomainValue *) expr)->typeMod; case T_SetToDefault: return ((SetToDefault *) expr)->typeMod; + case T_PlaceHolderVar: + return exprTypmod((Node *) ((PlaceHolderVar *) expr)->phexpr); default: break; } @@ -876,6 +881,10 @@ exprLocation(Node *expr) case T_CommonTableExpr: loc = ((CommonTableExpr *) expr)->location; break; + case T_PlaceHolderVar: + /* just use argument's location */ + loc = exprLocation((Node *) ((PlaceHolderVar *) expr)->phexpr); + break; default: /* for any other node type it's just unknown... */ loc = -1; @@ -1272,11 +1281,12 @@ expression_tree_walker(Node *node, { FlattenedSubLink *fslink = (FlattenedSubLink *) node; - if (expression_tree_walker((Node *) fslink->quals, - walker, context)) + if (walker(fslink->quals, context)) return true; } break; + case T_PlaceHolderVar: + return walker(((PlaceHolderVar *) node)->phexpr, context); case T_AppendRelInfo: { AppendRelInfo *appinfo = (AppendRelInfo *) node; @@ -1286,6 +1296,8 @@ expression_tree_walker(Node *node, return true; } break; + case T_PlaceHolderInfo: + return walker(((PlaceHolderInfo *) node)->ph_var, context); default: elog(ERROR, "unrecognized node type: %d", (int) nodeTag(node)); @@ -1918,6 +1930,17 @@ expression_tree_mutator(Node *node, return (Node *) newnode; } break; + case T_PlaceHolderVar: + { + PlaceHolderVar *phv = (PlaceHolderVar *) node; + PlaceHolderVar *newnode; + + FLATCOPY(newnode, phv, PlaceHolderVar); + MUTATE(newnode->phexpr, phv->phexpr, Expr *); + /* Assume we need not copy the relids bitmapset */ + return (Node *) newnode; + } + break; case T_AppendRelInfo: { AppendRelInfo *appinfo = (AppendRelInfo *) node; @@ -1928,6 +1951,17 @@ expression_tree_mutator(Node *node, return (Node *) newnode; } break; + case T_PlaceHolderInfo: + { + PlaceHolderInfo *phinfo = (PlaceHolderInfo *) node; + PlaceHolderInfo *newnode; + + FLATCOPY(newnode, phinfo, PlaceHolderInfo); + MUTATE(newnode->ph_var, phinfo->ph_var, PlaceHolderVar *); + /* Assume we need not copy the relids bitmapsets */ + return (Node *) newnode; + } + break; default: elog(ERROR, "unrecognized node type: %d", (int) nodeTag(node)); |