diff --git a/src/backend/utils/adt/cash.c b/src/backend/utils/adt/cash.c
index c33bca654e8..f210f4258f0 100644
--- a/src/backend/utils/adt/cash.c
+++ b/src/backend/utils/adt/cash.c
@@ -9,7 +9,7 @@
  * workings can be found in the book "Software Solutions in C" by
  * Dale Schumacher, Academic Press, ISBN: 0-12-632360-7.
  *
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.56 2002/09/04 20:31:27 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.57 2003/03/11 21:01:33 tgl Exp $
  */
 
 #include "postgres.h"
@@ -442,7 +442,7 @@ cash_div_flt8(PG_FUNCTION_ARGS)
 	Cash		result;
 
 	if (f == 0.0)
-		elog(ERROR, "cash_div:  divide by 0.0 error");
+		elog(ERROR, "division by zero");
 
 	result = rint(c / f);
 	PG_RETURN_CASH(result);
@@ -492,7 +492,7 @@ cash_div_flt4(PG_FUNCTION_ARGS)
 	Cash		result;
 
 	if (f == 0.0)
-		elog(ERROR, "cash_div:  divide by 0.0 error");
+		elog(ERROR, "division by zero");
 
 	result = rint(c / f);
 	PG_RETURN_CASH(result);
@@ -543,7 +543,7 @@ cash_div_int4(PG_FUNCTION_ARGS)
 	Cash		result;
 
 	if (i == 0)
-		elog(ERROR, "cash_div_int4: divide by 0 error");
+		elog(ERROR, "division by zero");
 
 	result = rint(c / i);
 
@@ -593,7 +593,7 @@ cash_div_int2(PG_FUNCTION_ARGS)
 	Cash		result;
 
 	if (s == 0)
-		elog(ERROR, "cash_div:  divide by 0 error");
+		elog(ERROR, "division by zero");
 
 	result = rint(c / s);
 	PG_RETURN_CASH(result);
diff --git a/src/backend/utils/adt/char.c b/src/backend/utils/adt/char.c
index c31995fdf06..0e2d400aa0d 100644
--- a/src/backend/utils/adt/char.c
+++ b/src/backend/utils/adt/char.c
@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/char.c,v 1.33 2002/06/20 20:29:36 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/char.c,v 1.34 2003/03/11 21:01:33 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -150,6 +150,9 @@ chardiv(PG_FUNCTION_ARGS)
 	char		arg1 = PG_GETARG_CHAR(0);
 	char		arg2 = PG_GETARG_CHAR(1);
 
+	if (arg2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_CHAR((int8) arg1 / (int8) arg2);
 }
 
diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c
index c0acc554b8e..4220b4775a9 100644
--- a/src/backend/utils/adt/float.c
+++ b/src/backend/utils/adt/float.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/float.c,v 1.83 2002/11/08 17:37:52 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/float.c,v 1.84 2003/03/11 21:01:33 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -505,7 +505,7 @@ float4div(PG_FUNCTION_ARGS)
 	double		result;
 
 	if (arg2 == 0.0)
-		elog(ERROR, "float4div: divide by zero error");
+		elog(ERROR, "division by zero");
 
 	/* Do division in float8, then check for overflow */
 	result = (float8) arg1 / (float8) arg2;
@@ -567,7 +567,7 @@ float8div(PG_FUNCTION_ARGS)
 	float8		result;
 
 	if (arg2 == 0.0)
-		elog(ERROR, "float8div: divide by zero error");
+		elog(ERROR, "division by zero");
 
 	result = arg1 / arg2;
 
@@ -1753,7 +1753,7 @@ float48div(PG_FUNCTION_ARGS)
 	float8		result;
 
 	if (arg2 == 0.0)
-		elog(ERROR, "float48div: divide by zero");
+		elog(ERROR, "division by zero");
 
 	result = arg1 / arg2;
 	CheckFloat8Val(result);
@@ -1813,7 +1813,7 @@ float84div(PG_FUNCTION_ARGS)
 	float8		result;
 
 	if (arg2 == 0.0)
-		elog(ERROR, "float84div: divide by zero");
+		elog(ERROR, "division by zero");
 
 	result = arg1 / arg2;
 
diff --git a/src/backend/utils/adt/geo_ops.c b/src/backend/utils/adt/geo_ops.c
index 9fe40d2ccbe..d8d1f7c3afe 100644
--- a/src/backend/utils/adt/geo_ops.c
+++ b/src/backend/utils/adt/geo_ops.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.74 2003/01/21 19:44:26 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.75 2003/03/11 21:01:33 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -3504,7 +3504,7 @@ point_div(PG_FUNCTION_ARGS)
 	div = (p2->x * p2->x) + (p2->y * p2->y);
 
 	if (div == 0.0)
-		elog(ERROR, "point_div:  divide by 0.0 error");
+		elog(ERROR, "division by zero");
 
 	result->x = ((p1->x * p2->x) + (p1->y * p2->y)) / div;
 	result->y = ((p2->x * p1->y) - (p2->y * p1->x)) / div;
diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c
index 859e78b58cb..73687d55ec9 100644
--- a/src/backend/utils/adt/int.c
+++ b/src/backend/utils/adt/int.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.52 2002/08/22 00:01:43 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/int.c,v 1.53 2003/03/11 21:01:33 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -551,6 +551,9 @@ int4div(PG_FUNCTION_ARGS)
 	int32		arg1 = PG_GETARG_INT32(0);
 	int32		arg2 = PG_GETARG_INT32(1);
 
+	if (arg2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT32(arg1 / arg2);
 }
 
@@ -611,6 +614,9 @@ int2div(PG_FUNCTION_ARGS)
 	int16		arg1 = PG_GETARG_INT16(0);
 	int16		arg2 = PG_GETARG_INT16(1);
 
+	if (arg2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT16(arg1 / arg2);
 }
 
@@ -647,6 +653,9 @@ int24div(PG_FUNCTION_ARGS)
 	int16		arg1 = PG_GETARG_INT16(0);
 	int32		arg2 = PG_GETARG_INT32(1);
 
+	if (arg2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT32(arg1 / arg2);
 }
 
@@ -683,6 +692,9 @@ int42div(PG_FUNCTION_ARGS)
 	int32		arg1 = PG_GETARG_INT32(0);
 	int16		arg2 = PG_GETARG_INT16(1);
 
+	if (arg2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT32(arg1 / arg2);
 }
 
@@ -692,6 +704,9 @@ int4mod(PG_FUNCTION_ARGS)
 	int32		arg1 = PG_GETARG_INT32(0);
 	int32		arg2 = PG_GETARG_INT32(1);
 
+	if (arg2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT32(arg1 % arg2);
 }
 
@@ -701,6 +716,9 @@ int2mod(PG_FUNCTION_ARGS)
 	int16		arg1 = PG_GETARG_INT16(0);
 	int16		arg2 = PG_GETARG_INT16(1);
 
+	if (arg2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT16(arg1 % arg2);
 }
 
@@ -710,6 +728,9 @@ int24mod(PG_FUNCTION_ARGS)
 	int16		arg1 = PG_GETARG_INT16(0);
 	int32		arg2 = PG_GETARG_INT32(1);
 
+	if (arg2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT32(arg1 % arg2);
 }
 
@@ -719,6 +740,9 @@ int42mod(PG_FUNCTION_ARGS)
 	int32		arg1 = PG_GETARG_INT32(0);
 	int16		arg2 = PG_GETARG_INT16(1);
 
+	if (arg2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT32(arg1 % arg2);
 }
 
diff --git a/src/backend/utils/adt/int8.c b/src/backend/utils/adt/int8.c
index 8a346cd8b83..cf164561058 100644
--- a/src/backend/utils/adt/int8.c
+++ b/src/backend/utils/adt/int8.c
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/int8.c,v 1.42 2002/09/18 21:35:22 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/int8.c,v 1.43 2003/03/11 21:01:33 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -504,6 +504,9 @@ int8div(PG_FUNCTION_ARGS)
 	int64		val1 = PG_GETARG_INT64(0);
 	int64		val2 = PG_GETARG_INT64(1);
 
+	if (val2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT64(val1 / val2);
 }
 
@@ -528,6 +531,9 @@ int8mod(PG_FUNCTION_ARGS)
 	int64		val2 = PG_GETARG_INT64(1);
 	int64		result;
 
+	if (val2 == 0)
+		elog(ERROR, "division by zero");
+
 	result = val1 / val2;
 	result *= val2;
 	result = val1 - result;
@@ -621,6 +627,9 @@ int84div(PG_FUNCTION_ARGS)
 	int64		val1 = PG_GETARG_INT64(0);
 	int32		val2 = PG_GETARG_INT32(1);
 
+	if (val2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT64(val1 / val2);
 }
 
@@ -657,6 +666,9 @@ int48div(PG_FUNCTION_ARGS)
 	int32		val1 = PG_GETARG_INT32(0);
 	int64		val2 = PG_GETARG_INT64(1);
 
+	if (val2 == 0)
+		elog(ERROR, "division by zero");
+
 	PG_RETURN_INT64(val1 / val2);
 }
 
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c
index f1967019d53..1a21500a8b0 100644
--- a/src/backend/utils/adt/numeric.c
+++ b/src/backend/utils/adt/numeric.c
@@ -5,7 +5,7 @@
  *
  *	1998 Jan Wieck
  *
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.56 2002/10/19 02:08:17 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/numeric.c,v 1.57 2003/03/11 21:01:33 tgl Exp $
  *
  * ----------
  */
@@ -3266,7 +3266,7 @@ div_var(NumericVar *var1, NumericVar *var2, NumericVar *result)
 	 */
 	ndigits_tmp = var2->ndigits + 1;
 	if (ndigits_tmp == 1)
-		elog(ERROR, "division by zero on numeric");
+		elog(ERROR, "division by zero");
 
 	/*
 	 * Determine the result sign, weight and number of digits to calculate
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c
index d3390fd3274..2764fee906a 100644
--- a/src/backend/utils/adt/timestamp.c
+++ b/src/backend/utils/adt/timestamp.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/timestamp.c,v 1.79 2003/02/27 21:36:58 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/timestamp.c,v 1.80 2003/03/11 21:01:33 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1869,7 +1869,7 @@ interval_div(PG_FUNCTION_ARGS)
 	result = (Interval *) palloc(sizeof(Interval));
 
 	if (factor == 0.0)
-		elog(ERROR, "interval_div: divide by 0.0 error");
+		elog(ERROR, "division by zero");
 
 #ifdef HAVE_INT64_TIMESTAMP
 	result->month = (span->month / factor);
diff --git a/src/test/regress/expected/errors.out b/src/test/regress/expected/errors.out
index 698ccc85654..6c386292176 100644
--- a/src/test/regress/expected/errors.out
+++ b/src/test/regress/expected/errors.out
@@ -18,7 +18,7 @@ select 1;
 -- notify pg_class
 --
 --
--- RETRIEVE
+-- SELECT
  
 -- missing relation name 
 select;
@@ -54,7 +54,7 @@ ERROR:  parser: parse error at or near ";" at character 12
 delete from nonesuch;
 ERROR:  Relation "nonesuch" does not exist
 --
--- DESTROY
+-- DROP
  
 -- missing relation name (this had better not wildcard!) 
 drop table;
@@ -63,7 +63,7 @@ ERROR:  parser: parse error at or near ";" at character 11
 drop table nonesuch;
 ERROR:  table "nonesuch" does not exist
 --
--- RENAME
+-- ALTER TABLE
  
 -- relation renaming 
 -- missing relation name 
@@ -104,7 +104,7 @@ WARNING:  ROLLBACK: no transaction in progress
 end;
 WARNING:  COMMIT: no transaction in progress
 --
--- DEFINE AGGREGATE
+-- CREATE AGGREGATE
 -- sfunc/finalfunc type disagreement 
 create aggregate newavg2 (sfunc = int4pl,
 			  basetype = int4,
@@ -118,7 +118,7 @@ create aggregate newcnt1 (sfunc = int4inc,
 			  initcond = '0');
 ERROR:  Define: "basetype" unspecified
 --
--- REMOVE INDEX
+-- DROP INDEX
  
 -- missing index name 
 drop index;
@@ -130,7 +130,7 @@ ERROR:  parser: parse error at or near "314159" at character 12
 drop index nonesuch;
 ERROR:  index "nonesuch" does not exist
 --
--- REMOVE AGGREGATE
+-- DROP AGGREGATE
  
 -- missing aggregate name 
 drop aggregate;
@@ -151,7 +151,7 @@ ERROR:  RemoveAggregate: aggregate nonesuch(integer) does not exist
 drop aggregate newcnt (float4);
 ERROR:  RemoveAggregate: aggregate newcnt(real) does not exist
 --
--- REMOVE FUNCTION
+-- DROP FUNCTION
  
 -- missing function name 
 drop function ();
@@ -163,7 +163,7 @@ ERROR:  parser: parse error at or near "314159" at character 15
 drop function nonesuch();
 ERROR:  RemoveFunction: function nonesuch() does not exist
 --
--- REMOVE TYPE
+-- DROP TYPE
  
 -- missing type name 
 drop type;
@@ -237,3 +237,28 @@ ERROR:  parser: parse error at or near "instance" at character 6
 -- no such rule 
 drop rewrite rule nonesuch;
 ERROR:  parser: parse error at or near "rewrite" at character 6
+--
+-- Check that division-by-zero is properly caught.
+--
+select 1/0;
+ERROR:  division by zero
+select 1::int8/0;
+ERROR:  division by zero
+select 1/0::int8;
+ERROR:  division by zero
+select 1::int2/0;
+ERROR:  division by zero
+select 1/0::int2;
+ERROR:  division by zero
+select 1::numeric/0;
+ERROR:  division by zero
+select 1/0::numeric;
+ERROR:  division by zero
+select 1::float8/0;
+ERROR:  division by zero
+select 1/0::float8;
+ERROR:  division by zero
+select 1::float4/0;
+ERROR:  division by zero
+select 1/0::float4;
+ERROR:  division by zero
diff --git a/src/test/regress/expected/float4-exp-three-digits.out b/src/test/regress/expected/float4-exp-three-digits.out
index 8efd434a85f..72751ae29e9 100644
--- a/src/test/regress/expected/float4-exp-three-digits.out
+++ b/src/test/regress/expected/float4-exp-three-digits.out
@@ -113,7 +113,7 @@ SELECT '' AS three, f.f1, f.f1 - '-10' AS x FROM FLOAT4_TBL f
 
 -- test divide by zero
 SELECT '' AS bad, f.f1 / '0.0' from FLOAT4_TBL f;
-ERROR:  float4div: divide by zero error
+ERROR:  division by zero
 SELECT '' AS five, FLOAT4_TBL.*;
  five |      f1      
 ------+--------------
diff --git a/src/test/regress/expected/float4.out b/src/test/regress/expected/float4.out
index e03db639c5c..7ec463b7f31 100644
--- a/src/test/regress/expected/float4.out
+++ b/src/test/regress/expected/float4.out
@@ -113,7 +113,7 @@ SELECT '' AS three, f.f1, f.f1 - '-10' AS x FROM FLOAT4_TBL f
 
 -- test divide by zero
 SELECT '' AS bad, f.f1 / '0.0' from FLOAT4_TBL f;
-ERROR:  float4div: divide by zero error
+ERROR:  division by zero
 SELECT '' AS five, FLOAT4_TBL.*;
  five |     f1      
 ------+-------------
diff --git a/src/test/regress/expected/float8-exp-three-digits.out b/src/test/regress/expected/float8-exp-three-digits.out
index b346ed5c38f..9d38aee1961 100644
--- a/src/test/regress/expected/float8-exp-three-digits.out
+++ b/src/test/regress/expected/float8-exp-three-digits.out
@@ -257,7 +257,7 @@ ERROR:  can't take log of a negative number
 SELECT '' AS bad, exp(f.f1) from FLOAT8_TBL f;
 ERROR:  exp() result is out of range
 SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
-ERROR:  float8div: divide by zero error
+ERROR:  division by zero
 SELECT '' AS five, FLOAT8_TBL.*;
  five |          f1           
 ------+-----------------------
diff --git a/src/test/regress/expected/float8-fp-exception.out b/src/test/regress/expected/float8-fp-exception.out
index 15d96ff365d..5c2df1e7c01 100644
--- a/src/test/regress/expected/float8-fp-exception.out
+++ b/src/test/regress/expected/float8-fp-exception.out
@@ -257,7 +257,7 @@ ERROR:  can't take log of a negative number
 SELECT '' AS bad, exp(f.f1) from FLOAT8_TBL f;
 ERROR:  exp() result is out of range
 SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
-ERROR:  float8div: divide by zero error
+ERROR:  division by zero
 SELECT '' AS five, FLOAT8_TBL.*;
  five |          f1           
 ------+-----------------------
diff --git a/src/test/regress/expected/float8-small-is-zero.out b/src/test/regress/expected/float8-small-is-zero.out
index 119051f3993..448bfc40bc2 100644
--- a/src/test/regress/expected/float8-small-is-zero.out
+++ b/src/test/regress/expected/float8-small-is-zero.out
@@ -257,7 +257,7 @@ ERROR:  can't take log of a negative number
 SELECT '' AS bad, exp(f.f1) from FLOAT8_TBL f;
 ERROR:  exp() result is out of range
 SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
-ERROR:  float8div: divide by zero error
+ERROR:  division by zero
 SELECT '' AS five, FLOAT8_TBL.*;
  five |          f1           
 ------+-----------------------
diff --git a/src/test/regress/expected/float8.out b/src/test/regress/expected/float8.out
index d91427c6ffa..576768785fd 100644
--- a/src/test/regress/expected/float8.out
+++ b/src/test/regress/expected/float8.out
@@ -257,7 +257,7 @@ ERROR:  can't take log of a negative number
 SELECT '' AS bad, exp(f.f1) from FLOAT8_TBL f;
 ERROR:  exp() result is out of range
 SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
-ERROR:  float8div: divide by zero error
+ERROR:  division by zero
 SELECT '' AS five, FLOAT8_TBL.*;
  five |          f1           
 ------+-----------------------
diff --git a/src/test/regress/sql/errors.sql b/src/test/regress/sql/errors.sql
index dee19bc136f..5876244ee3b 100644
--- a/src/test/regress/sql/errors.sql
+++ b/src/test/regress/sql/errors.sql
@@ -17,7 +17,7 @@ select 1;
 --
 
 --
--- RETRIEVE
+-- SELECT
  
 -- missing relation name 
 select;
@@ -55,7 +55,7 @@ delete from nonesuch;
 
 
 --
--- DESTROY
+-- DROP
  
 -- missing relation name (this had better not wildcard!) 
 drop table;
@@ -65,9 +65,8 @@ drop table nonesuch;
 
 
 --
--- RENAME
+-- ALTER TABLE
  
-
 -- relation renaming 
 
 -- missing relation name 
@@ -112,7 +111,7 @@ end;
 
 
 --
--- DEFINE AGGREGATE
+-- CREATE AGGREGATE
 
 -- sfunc/finalfunc type disagreement 
 create aggregate newavg2 (sfunc = int4pl,
@@ -128,7 +127,7 @@ create aggregate newcnt1 (sfunc = int4inc,
 
 
 --
--- REMOVE INDEX
+-- DROP INDEX
  
 -- missing index name 
 drop index;
@@ -141,7 +140,7 @@ drop index nonesuch;
 
 
 --
--- REMOVE AGGREGATE
+-- DROP AGGREGATE
  
 -- missing aggregate name 
 drop aggregate;
@@ -163,7 +162,7 @@ drop aggregate newcnt (float4);
 
 
 --
--- REMOVE FUNCTION
+-- DROP FUNCTION
  
 -- missing function name 
 drop function ();
@@ -176,7 +175,7 @@ drop function nonesuch();
 
 
 --
--- REMOVE TYPE
+-- DROP TYPE
  
 -- missing type name 
 drop type;
@@ -252,3 +251,28 @@ drop instance rule nonesuch on noplace;
 -- no such rule 
 drop rewrite rule nonesuch;
 
+--
+-- Check that division-by-zero is properly caught.
+--
+
+select 1/0;
+
+select 1::int8/0;
+
+select 1/0::int8;
+
+select 1::int2/0;
+
+select 1/0::int2;
+
+select 1::numeric/0;
+
+select 1/0::numeric;
+
+select 1::float8/0;
+
+select 1/0::float8;
+
+select 1::float4/0;
+
+select 1/0::float4;