cast.result, cast.test:

  Added test case for bug #11283.
field.h, field.cc:
  Fixed bug #11283: wrong conversion from varchar to decimal.
  Added methods Field_string::val_decimal,
  Field_varstring::val_decimal, Field_blob::val_decimal.
  They are not inherited from the base class Field_longstr
  anymore.


sql/field.cc:
  Fixed bug #11283: wrong conversion from varchar to decimal.
  Added methods Field_string::val_decimal,
  Field_varstring::val_decimal, Field_blob::val_decimal.
  They are not inherited from the base class Field_longstr
  anymore.
sql/field.h:
  Fixed bug #11283: wrong conversion from varchar to decimal.
  Added methods Field_string::val_decimal,
  Field_varstring::val_decimal, Field_blob::val_decimal.
  They are not inherited from the base class Field_longstr
  anymore.
mysql-test/t/cast.test:
  Added test case for bug #11283.
mysql-test/r/cast.result:
  Added test case for bug #11283.

1 files changed, 13 insertions, 0 deletions

diff --git a/mysql-test/t/cast.test b/mysql-test/t/cast.test
index cafecd6000d..d8c64a4a38b 100644
--- a/mysql-test/t/cast.test
+++ b/mysql-test/t/cast.test
@@ -168,3 +168,16 @@ create table t1(s1 time);
 insert into t1 values ('11:11:11');
 select cast(s1 as decimal(7,2)) from t1;
 drop table t1;
+
+#
+# Test for bug #11283: field conversion from varchar, and text types to decimal
+#
+
+CREATE TABLE t1 (v varchar(10), tt tinytext, t text,
+                 mt mediumtext, lt longtext);
+INSERT INTO t1 VALUES ('1.01', '2.02', '3.03', '4.04', '5.05');
+
+SELECT CAST(v AS DECIMAL), CAST(tt AS DECIMAL), CAST(t AS DECIMAL),
+       CAST(mt AS DECIMAL), CAST(lt AS DECIMAL) from t1;
+
+DROP TABLE t1;