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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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27
src/backend/utils/adt/ruleutils.c
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@@ -2,7 +2,7 @@
* ruleutils.c - Functions to convert stored expressions/querytrees
* back to source text
*
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.235 2006/11/10 22:59:29 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.236 2006/12/21 16:05:15 petere Exp $
**********************************************************************/
#include "postgres.h"
@@ -2988,6 +2988,7 @@ isSimpleNode(Node *node, Node *parentNode, int prettyFlags)
case T_CoalesceExpr:
case T_MinMaxExpr:
case T_NullIfExpr:
case T_XmlExpr:
case T_Aggref:
case T_FuncExpr:
/* function-like: name(..) or name[..] */
@@ -3096,6 +3097,7 @@ isSimpleNode(Node *node, Node *parentNode, int prettyFlags)
case T_CoalesceExpr: /* own parentheses */
case T_MinMaxExpr: /* own parentheses */
case T_NullIfExpr: /* other separators */
case T_XmlExpr: /* own parentheses */
case T_Aggref: /* own parentheses */
case T_CaseExpr: /* other separators */
return true;
@@ -3144,6 +3146,7 @@ isSimpleNode(Node *node, Node *parentNode, int prettyFlags)
case T_CoalesceExpr: /* own parentheses */
case T_MinMaxExpr: /* own parentheses */
case T_NullIfExpr: /* other separators */
case T_XmlExpr: /* own parentheses */
case T_Aggref: /* own parentheses */
case T_CaseExpr: /* other separators */
return true;
@@ -3845,6 +3848,28 @@ get_rule_expr(Node *node, deparse_context *context,
}
break;
case T_XmlExpr:
{
XmlExpr *xexpr = (XmlExpr *) node;
switch (xexpr->op)
{
case IS_XMLCONCAT:
appendStringInfo(buf, "XMLCONCAT(");
break;
case IS_XMLELEMENT:
appendStringInfo(buf, "XMLELEMENT(");
break;
case IS_XMLFOREST:
appendStringInfo(buf, "XMLFOREST(");
break;
}
get_rule_expr((Node *) xexpr->named_args, context, true);
get_rule_expr((Node *) xexpr->args, context, true);
appendStringInfoChar(buf, ')');
}
break;
case T_CoerceToDomain:
{
CoerceToDomain *ctest = (CoerceToDomain *) node;