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Diffstat (limited to 'src/backend/nodes/outfuncs.c')
-rw-r--r--src/backend/nodes/outfuncs.c87
1 files changed, 86 insertions, 1 deletions
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c
index 33bba59d65b..2cbec8e615b 100644
--- a/src/backend/nodes/outfuncs.c
+++ b/src/backend/nodes/outfuncs.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.48 1998/11/22 10:48:39 vadim Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.49 1998/12/04 15:33:33 thomas Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
@@ -1635,6 +1635,82 @@ _outAConst(StringInfo str, A_Const *node)
return;
}
+static void
+_outConstraint(StringInfo str, Constraint *node)
+{
+ char buf[500];
+
+ sprintf(buf," %s :type",
+ ((node->name != NULL)? node->name: "<>"));
+ appendStringInfo(str, buf);
+
+ switch (node->contype)
+ {
+ case CONSTR_PRIMARY:
+ sprintf(buf," PRIMARY KEY ");
+ appendStringInfo(str, buf);
+ _outNode(str, node->keys);
+ break;
+
+ case CONSTR_CHECK:
+ sprintf(buf," CHECK ");
+ appendStringInfo(str, buf);
+ appendStringInfo(str, node->def);
+ break;
+
+ case CONSTR_DEFAULT:
+ sprintf(buf," DEFAULT ");
+ appendStringInfo(str, buf);
+ appendStringInfo(str, node->def);
+ break;
+
+ case CONSTR_NOTNULL:
+ sprintf(buf," NOT NULL ");
+ appendStringInfo(str, buf);
+ break;
+
+ case CONSTR_UNIQUE:
+ sprintf(buf," UNIQUE ");
+ appendStringInfo(str, buf);
+ _outNode(str, node->keys);
+ break;
+
+ default:
+ sprintf(buf,"<unrecognized constraint>");
+ appendStringInfo(str, buf);
+ break;
+ }
+ return;
+}
+
+static void
+_outCaseExpr(StringInfo str, CaseExpr *node)
+{
+ char buf[500];
+
+ sprintf(buf, "CASE ");
+ appendStringInfo(str, buf);
+ _outNode(str, node->args);
+ sprintf(buf, " :default ");
+ appendStringInfo(str, buf);
+ _outNode(str, node->defresult);
+ return;
+}
+
+static void
+_outCaseWhen(StringInfo str, CaseWhen *node)
+{
+ char buf[500];
+
+ sprintf(buf, " :when ");
+ appendStringInfo(str, buf);
+ _outNode(str, node->expr);
+ sprintf(buf, " :then ");
+ appendStringInfo(str, buf);
+ _outNode(str, node->result);
+ return;
+}
+
/*
* _outNode -
* converts a Node into ascii string and append it to 'str'
@@ -1861,6 +1937,15 @@ _outNode(StringInfo str, void *obj)
case T_A_Const:
_outAConst(str, obj);
break;
+ case T_Constraint:
+ _outConstraint(str, obj);
+ break;
+ case T_CaseExpr:
+ _outCaseExpr(str, obj);
+ break;
+ case T_CaseWhen:
+ _outCaseWhen(str, obj);
+ break;
default:
elog(NOTICE, "_outNode: don't know how to print type %d ",
nodeTag(obj));