diff options
Diffstat (limited to 'src/backend/nodes/copyfuncs.c')
| -rw-r--r-- | src/backend/nodes/copyfuncs.c | 78 |
1 files changed, 76 insertions, 2 deletions
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c index 6caceb7311c..a989d700642 100644 --- a/src/backend/nodes/copyfuncs.c +++ b/src/backend/nodes/copyfuncs.c @@ -15,7 +15,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.201 2002/08/15 16:36:02 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.202 2002/08/19 00:11:53 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1568,7 +1568,26 @@ _copyAConst(A_Const *from) { A_Const *newnode = makeNode(A_Const); - newnode->val = *((Value *) (copyObject(&(from->val)))); + /* This part must duplicate _copyValue */ + newnode->val.type = from->val.type; + switch (from->val.type) + { + case T_Integer: + newnode->val.val.ival = from->val.val.ival; + break; + case T_Float: + case T_String: + case T_BitString: + newnode->val.val.str = pstrdup(from->val.val.str); + break; + case T_Null: + /* nothing to do */ + break; + default: + elog(ERROR, "_copyAConst: unknown node type %d", from->val.type); + break; + } + Node_Copy(from, newnode, typename); return newnode; @@ -2624,6 +2643,45 @@ _copyCreateSchemaStmt(CreateSchemaStmt *from) return newnode; } +static CreateConversionStmt * +_copyCreateConversionStmt(CreateConversionStmt *from) +{ + CreateConversionStmt *newnode = makeNode(CreateConversionStmt); + + Node_Copy(from, newnode, conversion_name); + newnode->for_encoding_name = pstrdup(from->for_encoding_name); + newnode->to_encoding_name = pstrdup(from->to_encoding_name); + Node_Copy(from, newnode, func_name); + newnode->def = from->def; + + return newnode; +} + +static CreateCastStmt * +_copyCreateCastStmt(CreateCastStmt *from) +{ + CreateCastStmt *newnode = makeNode(CreateCastStmt); + + Node_Copy(from, newnode, sourcetype); + Node_Copy(from, newnode, targettype); + Node_Copy(from, newnode, func); + newnode->implicit = from->implicit; + + return newnode; +} + +static DropCastStmt * +_copyDropCastStmt(DropCastStmt *from) +{ + DropCastStmt *newnode = makeNode(DropCastStmt); + + Node_Copy(from, newnode, sourcetype); + Node_Copy(from, newnode, targettype); + newnode->behavior = from->behavior; + + return newnode; +} + /* **************************************************************** * pg_list.h copy functions @@ -2635,6 +2693,8 @@ _copyValue(Value *from) { Value *newnode = makeNode(Value); + /* See also _copyAConst when changing this code! */ + newnode->type = from->type; switch (from->type) { @@ -2646,7 +2706,11 @@ _copyValue(Value *from) case T_BitString: newnode->val.str = pstrdup(from->val.str); break; + case T_Null: + /* nothing to do */ + break; default: + elog(ERROR, "_copyValue: unknown node type %d", from->type); break; } return newnode; @@ -2839,6 +2903,7 @@ copyObject(void *from) case T_Float: case T_String: case T_BitString: + case T_Null: retval = _copyValue(from); break; case T_List: @@ -3043,6 +3108,15 @@ copyObject(void *from) case T_CreateSchemaStmt: retval = _copyCreateSchemaStmt(from); break; + case T_CreateConversionStmt: + retval = _copyCreateConversionStmt(from); + break; + case T_CreateCastStmt: + retval = _copyCreateCastStmt(from); + break; + case T_DropCastStmt: + retval = _copyDropCastStmt(from); + break; case T_A_Expr: retval = _copyAExpr(from); |