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Code review for UPDATE tab SET col = DEFAULT patch ... whack it around

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so it has some chance of working in rules ...
This commit is contained in:
Tom Lane
2003-07-03 16:34:26 +00:00
parent 7b1885bf98
commit 455891bf96
15 changed files with 186 additions and 114 deletions
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30
src/backend/nodes/copyfuncs.c
View File

@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.258 2003/06/29 00:33:43 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.259 2003/07/03 16:32:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1041,6 +1041,20 @@ _copyCoerceToDomainValue(CoerceToDomainValue *from)
return newnode;
}
/*
* _copySetToDefault
*/
static SetToDefault *
_copySetToDefault(SetToDefault *from)
{
SetToDefault *newnode = makeNode(SetToDefault);
COPY_SCALAR_FIELD(typeId);
COPY_SCALAR_FIELD(typeMod);
return newnode;
}
/*
* _copyTargetEntry
*/
@@ -1669,14 +1683,6 @@ _copyFuncWithArgs(FuncWithArgs *from)
return newnode;
}
static SetToDefault *
_copySetToDefault(SetToDefault *from)
{
SetToDefault *newnode = makeNode(SetToDefault);
return newnode;
}
static DeclareCursorStmt *
_copyDeclareCursorStmt(DeclareCursorStmt *from)
{
@@ -2607,6 +2613,9 @@ copyObject(void *from)
case T_CoerceToDomainValue:
retval = _copyCoerceToDomainValue(from);
break;
case T_SetToDefault:
retval = _copySetToDefault(from);
break;
case T_TargetEntry:
retval = _copyTargetEntry(from);
break;
@@ -2955,9 +2964,6 @@ copyObject(void *from)
case T_FuncWithArgs:
retval = _copyFuncWithArgs(from);
break;
case T_SetToDefault:
retval = _copySetToDefault(from);
break;
default:
elog(ERROR, "copyObject: don't know how to copy node type %d",

23
src/backend/nodes/equalfuncs.c
View File

@@ -18,7 +18,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.201 2003/06/29 00:33:43 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.202 2003/07/03 16:32:32 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -485,6 +485,15 @@ _equalCoerceToDomainValue(CoerceToDomainValue *a, CoerceToDomainValue *b)
return true;
}
static bool
_equalSetToDefault(SetToDefault *a, SetToDefault *b)
{
COMPARE_SCALAR_FIELD(typeId);
COMPARE_SCALAR_FIELD(typeMod);
return true;
}
static bool
_equalTargetEntry(TargetEntry *a, TargetEntry *b)
{
@@ -740,12 +749,6 @@ _equalFuncWithArgs(FuncWithArgs *a, FuncWithArgs *b)
return true;
}
static bool
_equalSetToDefault(SetToDefault *a, SetToDefault *b)
{
return true;
}
static bool
_equalDeclareCursorStmt(DeclareCursorStmt *a, DeclareCursorStmt *b)
{
@@ -1727,6 +1730,9 @@ equal(void *a, void *b)
case T_CoerceToDomainValue:
retval = _equalCoerceToDomainValue(a, b);
break;
case T_SetToDefault:
retval = _equalSetToDefault(a, b);
break;
case T_TargetEntry:
retval = _equalTargetEntry(a, b);
break;
@@ -2073,9 +2079,6 @@ equal(void *a, void *b)
case T_FuncWithArgs:
retval = _equalFuncWithArgs(a, b);
break;
case T_SetToDefault:
retval = _equalSetToDefault(a, b);
break;
default:
elog(WARNING, "equal: don't know whether nodes of type %d are equal",

14
src/backend/nodes/outfuncs.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.211 2003/06/29 00:33:43 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.212 2003/07/03 16:32:38 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@@ -849,6 +849,15 @@ _outCoerceToDomainValue(StringInfo str, CoerceToDomainValue *node)
WRITE_INT_FIELD(typeMod);
}
static void
_outSetToDefault(StringInfo str, SetToDefault *node)
{
WRITE_NODE_TYPE("SETTODEFAULT");
WRITE_OID_FIELD(typeId);
WRITE_INT_FIELD(typeMod);
}
static void
_outTargetEntry(StringInfo str, TargetEntry *node)
{
@@ -1685,6 +1694,9 @@ _outNode(StringInfo str, void *obj)
case T_CoerceToDomainValue:
_outCoerceToDomainValue(str, obj);
break;
case T_SetToDefault:
_outSetToDefault(str, obj);
break;
case T_TargetEntry:
_outTargetEntry(str, obj);
break;

18
src/backend/nodes/readfuncs.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.157 2003/06/29 00:33:43 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.158 2003/07/03 16:32:39 tgl Exp $
*
* NOTES
* Path and Plan nodes do not have any readfuncs support, because we
@@ -760,6 +760,20 @@ _readCoerceToDomainValue(void)
READ_DONE();
}
/*
* _readSetToDefault
*/
static SetToDefault *
_readSetToDefault(void)
{
READ_LOCALS(SetToDefault);
READ_OID_FIELD(typeId);
READ_INT_FIELD(typeMod);
READ_DONE();
}
/*
* _readTargetEntry
*/
@@ -1005,6 +1019,8 @@ parseNodeString(void)
return_value = _readCoerceToDomain();
else if (MATCH("COERCETODOMAINVALUE", 19))
return_value = _readCoerceToDomainValue();
else if (MATCH("SETTODEFAULT", 12))
return_value = _readSetToDefault();
else if (MATCH("TARGETENTRY", 11))
return_value = _readTargetEntry();
else if (MATCH("RANGETBLREF", 11))