From 132d09054ee1b6d91514b3f56c4e3f64d348470c Mon Sep 17 00:00:00 2001
From: Neil Conway <neilc@samurai.com>
Date: Wed, 19 May 2004 04:32:26 +0000
Subject: [PATCH] Minor correction for previous SQLSTATE patch: I changed
dsqrt() to emit the right error code previously, and this patch applies an
analogous change to numeric_sqrt().
---
src/backend/utils/adt/numeric.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c
index 9307ba5e6ec..242c7cf9d35 100644
--- a/src/backend/utils/adt/numeric.c
+++ b/src/backend/utils/adt/numeric.c
@@ -14,7 +14,7 @@
* Copyright (c) 1998-2003, PostgreSQL Global Development Group
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.75 2004/05/16 23:18:55 neilc Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.76 2004/05/19 04:32:26 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@@ -4210,9 +4210,13 @@ sqrt_var(NumericVar *arg, NumericVar *result, int rscale)
return;
}
+ /*
+ * SQL2003 defines sqrt() in terms of power, so we need to emit
+ * the right SQLSTATE error code if the operand is negative.
+ */
if (stat < 0)
ereport(ERROR,
- (errcode(ERRCODE_FLOATING_POINT_EXCEPTION),
+ (errcode(ERRCODE_INVALID_ARGUMENT_FOR_POWER_FUNCTION),
errmsg("cannot take square root of a negative number")));
init_var(&tmp_arg);
--
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