MDEV-26836: ROW_NUMBER differs from the number in the error message upon

ER_WARN_DATA_OUT_OF_RANGE

Analysis: value for row_number is hard coded into push_warning_printf() to 1.
Fix: make push_warning_printf() use m_current_row_for_warning instead of 1.

mysql-test/main/get_diagnostics.result

@@ -1671,3 +1671,21 @@ SELECT @rnum, @msg, @err;
 @rnum	@msg	@err
 3	Data truncated for column 'a' at row 3	1265
 DROP TABLE t1;
+#
+# ROW_NUMBER differs from the number in the error message upon
+# ER_WARN_DATA_OUT_OF_RANGE
+#
+CREATE TABLE t (a INT);
+INSERT INTO t VALUES (1),(2);
+SELECT CAST(a AS DECIMAL(2,2)) AS f FROM t;
+f
+0.99
+0.99
+Warnings:
+Warning	1264	Out of range value for column 'f' at row 1
+Warning	1264	Out of range value for column 'f' at row 2
+GET DIAGNOSTICS CONDITION 2 @n= ROW_NUMBER, @m = MESSAGE_TEXT;
+SELECT @n, @m;
+@n	@m
+2	Out of range value for column 'f' at row 2
+DROP TABLE t;

mysql-test/main/get_diagnostics.test

@@ -1552,3 +1552,16 @@ GET DIAGNOSTICS CONDITION 2 @rnum = ROW_NUMBER, @msg = MESSAGE_TEXT, @err = MYSQ
 SELECT @rnum, @msg, @err;
 
 DROP TABLE t1;
+
+--echo #
+--echo # ROW_NUMBER differs from the number in the error message upon
+--echo # ER_WARN_DATA_OUT_OF_RANGE
+--echo #
+CREATE TABLE t (a INT);
+INSERT INTO t VALUES (1),(2);
+SELECT CAST(a AS DECIMAL(2,2)) AS f FROM t;
+
+GET DIAGNOSTICS CONDITION 2 @n= ROW_NUMBER, @m = MESSAGE_TEXT;
+SELECT @n, @m;
+
+DROP TABLE t;

mysql-test/main/type_decimal.result

@@ -1152,13 +1152,13 @@ CAST(str AS DECIMAL(38,0))
 Level	Code	Message
 Warning	1916	Got overflow when converting '' to DECIMAL. Value truncated
 Warning	1292	Truncated incorrect DECIMAL value: '1e111111111111111111111'
-Warning	1264	Out of range value for column 'CAST(str AS DECIMAL(38,0))' at row 1
+Warning	1264	Out of range value for column 'CAST(str AS DECIMAL(38,0))' at row 2
 CAST(CONCAT(str,'garbage') AS DECIMAL(38,0))
 99999999999999999999999999999999999999
 Level	Code	Message
 Warning	1916	Got overflow when converting '' to DECIMAL. Value truncated
 Warning	1292	Truncated incorrect DECIMAL value: '1e111111111111111111111garbage'
-Warning	1264	Out of range value for column 'CAST(CONCAT(str,'garbage') AS DECIMAL(38,0))' at row 1
+Warning	1264	Out of range value for column 'CAST(CONCAT(str,'garbage') AS DECIMAL(38,0))' at row 2
 DROP TABLE t1;
 #
 # End of 10.2 tests

mysql-test/main/type_newdecimal.result

@@ -1458,8 +1458,8 @@ cast(a as DECIMAL(3,2))
 9.99
 Warnings:
 Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 1
-Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 1
-Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 1
+Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 2
+Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 3
 select cast(a as DECIMAL(3,2)), count(*)
 from (select 11.1233 as a
 UNION select 11.1234
@@ -1470,8 +1470,8 @@ cast(a as DECIMAL(3,2))	count(*)
 Warnings:
 Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 1
 Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 1
-Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 1
-Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 1
+Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 2
+Warning	1264	Out of range value for column 'cast(a as DECIMAL(3,2))' at row 3
 create table t1 (s varchar(100));
 insert into t1 values (0.00000000010000000000000000364321973154977415791655470655996396089904010295867919921875);
 drop table t1;

sql/item_func.cc

@@ -1004,7 +1004,8 @@ my_decimal *Item_decimal_typecast::val_decimal(my_decimal *dec)
   push_warning_printf(thd, Sql_condition::WARN_LEVEL_WARN,
                       ER_WARN_DATA_OUT_OF_RANGE,
                       ER_THD(thd, ER_WARN_DATA_OUT_OF_RANGE),
-                      name.str, 1L);
+                      name.str,
+                      thd->get_stmt_da()->current_row_for_warning());
   return dec;
 }