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Add support for xmlval IS DOCUMENT expression.

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This commit is contained in:
Peter Eisentraut
2007-01-14 13:11:54 +00:00
parent 62c06186f5
commit 2f8f76bcd5
11 changed files with 156 additions and 11 deletions
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10
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 1.241 2007/01/09 02:14:14 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/ruleutils.c,v 1.242 2007/01/14 13:11:54 petere Exp $
**********************************************************************/
#include "postgres.h"
@@ -3847,6 +3847,8 @@ get_rule_expr(Node *node, deparse_context *context,
case IS_XMLROOT:
appendStringInfoString(buf, "XMLROOT(");
break;
case IS_DOCUMENT:
break;
}
if (xexpr->name)
{
@@ -3888,6 +3890,7 @@ get_rule_expr(Node *node, deparse_context *context,
case IS_XMLELEMENT:
case IS_XMLFOREST:
case IS_XMLPI:
case IS_DOCUMENT:
/* no extra decoration needed */
get_rule_expr((Node *) xexpr->args, context, true);
break;
@@ -3943,7 +3946,10 @@ get_rule_expr(Node *node, deparse_context *context,
}
}
appendStringInfoChar(buf, ')');
if (xexpr->op == IS_DOCUMENT)
appendStringInfoString(buf, " IS DOCUMENT");
else
appendStringInfoChar(buf, ')');
}
break;