Bug#57924: crash when creating partitioned table with

multiple columns in the partition key

ndb crash if duplicate columns in the partitioning key.

Backport from mysql-5.1-telco-7.0, see bug#53354.

Changed from case sensitive field name comparision
to non case sensitive too.

mysql-test/r/partition_error.result:
  updated result
mysql-test/t/partition_error.test:
  Added test for the error in non-ndb partitioned table.
sql/sql_partition.cc:
  Added check for duplicated field names in the
  partitioning key.

1 files changed, 14 insertions, 0 deletions

diff --git a/mysql-test/t/partition_error.test b/mysql-test/t/partition_error.test
index d3f10628254..aa26fa29db9 100644
--- a/mysql-test/t/partition_error.test
+++ b/mysql-test/t/partition_error.test
@@ -11,6 +11,20 @@ drop table if exists t1;
 let $MYSQLD_DATADIR= `SELECT @@datadir`;
 
 --echo #
+--echo # Bug#57924: crash when creating partitioned table with
+--echo #            multiple columns in the partition key
+--echo #
+--error ER_FIELD_NOT_FOUND_PART_ERROR
+CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a,b))
+PARTITION BY KEY(a, b, a);
+CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a,b))
+PARTITION BY KEY(A, b);
+DROP TABLE t1;
+--error ER_FIELD_NOT_FOUND_PART_ERROR
+CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a,b))
+PARTITION BY KEY(a, b, A);
+
+--echo #
 --echo # Bug#49161: Out of memory; restart server and try again (needed 2 bytes)
 --echo #
 CREATE TABLE t1 (a INT) PARTITION BY HASH (a);