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Initial SQL/XML support: xml data type and initial set of functions.

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This commit is contained in:
Peter Eisentraut
2006-12-21 16:05:16 +00:00
parent ed1e9cd501
commit 8c1de5fb00
39 changed files with 2446 additions and 128 deletions
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21
src/backend/nodes/copyfuncs.c
View File

@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.354 2006/12/10 22:13:26 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.355 2006/12/21 16:05:13 petere Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1136,6 +1136,22 @@ _copyBooleanTest(BooleanTest *from)
return newnode;
}
/*
* _copyXmlExpr
*/
static XmlExpr *
_copyXmlExpr(XmlExpr *from)
{
XmlExpr *newnode = makeNode(XmlExpr);
COPY_SCALAR_FIELD(op);
COPY_STRING_FIELD(name);
COPY_NODE_FIELD(named_args);
COPY_NODE_FIELD(args);
return newnode;
}
/*
* _copyCoerceToDomain
*/
@@ -2966,6 +2982,9 @@ copyObject(void *from)
case T_BooleanTest:
retval = _copyBooleanTest(from);
break;
case T_XmlExpr:
retval = _copyXmlExpr(from);
break;
case T_CoerceToDomain:
retval = _copyCoerceToDomain(from);
break;

16
src/backend/nodes/equalfuncs.c
View File

@@ -18,7 +18,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.288 2006/12/10 22:13:26 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/equalfuncs.c,v 1.289 2006/12/21 16:05:13 petere Exp $
*
*-------------------------------------------------------------------------
*/
@@ -495,6 +495,17 @@ _equalBooleanTest(BooleanTest *a, BooleanTest *b)
return true;
}
static bool
_equalXmlExpr(XmlExpr *a, XmlExpr *b)
{
COMPARE_SCALAR_FIELD(op);
COMPARE_STRING_FIELD(name);
COMPARE_NODE_FIELD(named_args);
COMPARE_NODE_FIELD(args);
return true;
}
static bool
_equalCoerceToDomain(CoerceToDomain *a, CoerceToDomain *b)
{
@@ -1968,6 +1979,9 @@ equal(void *a, void *b)
case T_BooleanTest:
retval = _equalBooleanTest(a, b);
break;
case T_XmlExpr:
retval = _equalXmlExpr(a, b);
break;
case T_CoerceToDomain:
retval = _equalCoerceToDomain(a, b);
break;

16
src/backend/nodes/outfuncs.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.286 2006/12/10 22:13:26 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.287 2006/12/21 16:05:13 petere Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@@ -920,6 +920,17 @@ _outBooleanTest(StringInfo str, BooleanTest *node)
WRITE_ENUM_FIELD(booltesttype, BoolTestType);
}
static void
_outXmlExpr(StringInfo str, XmlExpr *node)
{
WRITE_NODE_TYPE("XMLEXPR");
WRITE_ENUM_FIELD(op, XmlExprOp);
WRITE_STRING_FIELD(name);
WRITE_NODE_FIELD(named_args);
WRITE_NODE_FIELD(args);
}
static void
_outCoerceToDomain(StringInfo str, CoerceToDomain *node)
{
@@ -2019,6 +2030,9 @@ _outNode(StringInfo str, void *obj)
case T_BooleanTest:
_outBooleanTest(str, obj);
break;
case T_XmlExpr:
_outXmlExpr(str, obj);
break;
case T_CoerceToDomain:
_outCoerceToDomain(str, obj);
break;

20
src/backend/nodes/readfuncs.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/readfuncs.c,v 1.196 2006/12/10 22:13:26 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/readfuncs.c,v 1.197 2006/12/21 16:05:13 petere Exp $
*
* NOTES
* Path and Plan nodes do not have any readfuncs support, because we
@@ -764,6 +764,22 @@ _readBooleanTest(void)
READ_DONE();
}
/*
* _readXmlExpr
*/
static XmlExpr *
_readXmlExpr(void)
{
READ_LOCALS(XmlExpr);
READ_ENUM_FIELD(op, XmlExprOp);
READ_STRING_FIELD(name);
READ_NODE_FIELD(named_args);
READ_NODE_FIELD(args);
READ_DONE();
}
/*
* _readCoerceToDomain
*/
@@ -1014,6 +1030,8 @@ parseNodeString(void)
return_value = _readNullTest();
else if (MATCH("BOOLEANTEST", 11))
return_value = _readBooleanTest();
else if (MATCH("XMLEXPR", 7))
return_value = _readXmlExpr();
else if (MATCH("COERCETODOMAIN", 14))
return_value = _readCoerceToDomain();
else if (MATCH("COERCETODOMAINVALUE", 19))