Merge branch 'mysql/5.5' into 5.5

3 files changed, 106 insertions, 6 deletions

diff --git a/mysql-test/r/alter_table.result b/mysql-test/r/alter_table.result
index 8e61031f8ac..56bb5fe0020 100644
--- a/mysql-test/r/alter_table.result
+++ b/mysql-test/r/alter_table.result
@@ -1392,3 +1392,53 @@ t1	CREATE TABLE `t1` (
   `consultant_id` bigint(20) DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8
 DROP TABLE t1;
+#
+# BUG#27788685: NO WARNING WHEN TRUNCATING A STRING WITH DATA LOSS
+#
+SET GLOBAL max_allowed_packet=17825792;
+CREATE TABLE t1 (t1_fld1 TEXT);
+CREATE TABLE t2 (t2_fld1 MEDIUMTEXT);
+CREATE TABLE t3 (t3_fld1 LONGTEXT);
+INSERT INTO t1 VALUES (REPEAT('a',300));
+INSERT INTO t2 VALUES (REPEAT('b',65680));
+INSERT INTO t3 VALUES (REPEAT('c',16777300));
+SELECT LENGTH(t1_fld1) FROM t1;
+LENGTH(t1_fld1)
+300
+SELECT LENGTH(t2_fld1) FROM t2;
+LENGTH(t2_fld1)
+65680
+SELECT LENGTH(t3_fld1) FROM t3;
+LENGTH(t3_fld1)
+16777300
+# With strict mode
+SET SQL_MODE='STRICT_ALL_TABLES';
+ALTER TABLE t1 CHANGE `t1_fld1` `my_t1_fld1` TINYTEXT;
+ERROR 22001: Data too long for column 'my_t1_fld1' at row 1
+ALTER TABLE t2 CHANGE `t2_fld1` `my_t2_fld1` TEXT;
+ERROR 22001: Data too long for column 'my_t2_fld1' at row 1
+ALTER TABLE t3 CHANGE `t3_fld1` `my_t3_fld1` MEDIUMTEXT;
+ERROR 22001: Data too long for column 'my_t3_fld1' at row 1
+# With non-strict mode
+SET SQL_MODE='';
+ALTER TABLE t1 CHANGE `t1_fld1` `my_t1_fld1` TINYTEXT;
+Warnings:
+Warning	1265	Data truncated for column 'my_t1_fld1' at row 1
+ALTER TABLE t2 CHANGE `t2_fld1` `my_t2_fld1` TEXT;
+Warnings:
+Warning	1265	Data truncated for column 'my_t2_fld1' at row 1
+ALTER TABLE t3 CHANGE `t3_fld1` `my_t3_fld1` MEDIUMTEXT;
+Warnings:
+Warning	1265	Data truncated for column 'my_t3_fld1' at row 1
+SELECT LENGTH(my_t1_fld1) FROM t1;
+LENGTH(my_t1_fld1)
+255
+SELECT LENGTH(my_t2_fld1) FROM t2;
+LENGTH(my_t2_fld1)
+65535
+SELECT LENGTH(my_t3_fld1) FROM t3;
+LENGTH(my_t3_fld1)
+16777215
+DROP TABLE t1, t2, t3;
+SET SQL_MODE=default;
+SET GLOBAL max_allowed_packet=default;
diff --git a/mysql-test/suite/perfschema/r/relaylog.result b/mysql-test/suite/perfschema/r/relaylog.result
index a1d10265f4d..8acaf023b34 100644
--- a/mysql-test/suite/perfschema/r/relaylog.result
+++ b/mysql-test/suite/perfschema/r/relaylog.result
@@ -20,7 +20,7 @@ from performance_schema.file_summary_by_instance
 where file_name like "%master-%" order by file_name;
 FILE_NAME	EVENT_NAME	COUNT_READ	COUNT_WRITE	SUM_NUMBER_OF_BYTES_READ	SUM_NUMBER_OF_BYTES_WRITE
 master-bin.000001	wait/io/file/sql/binlog	MANY	MANY	MANY	MANY
-master-bin.index	wait/io/file/sql/binlog_index	NONE	MANY	NONE	MANY
+master-bin.index	wait/io/file/sql/binlog_index	MANY	MANY	MANY	MANY
 select * from performance_schema.file_summary_by_instance
 where file_name like "%slave-%" order by file_name;
 FILE_NAME	EVENT_NAME	COUNT_READ	COUNT_WRITE	SUM_NUMBER_OF_BYTES_READ	SUM_NUMBER_OF_BYTES_WRITE
@@ -36,7 +36,7 @@ from performance_schema.file_summary_by_instance
 where event_name like "%binlog%" order by file_name;
 FILE_NAME	EVENT_NAME	COUNT_READ	COUNT_WRITE	SUM_NUMBER_OF_BYTES_READ	SUM_NUMBER_OF_BYTES_WRITE
 master-bin.000001	wait/io/file/sql/binlog	MANY	MANY	MANY	MANY
-master-bin.index	wait/io/file/sql/binlog_index	NONE	MANY	NONE	MANY
+master-bin.index	wait/io/file/sql/binlog_index	MANY	MANY	MANY	MANY
 select
 EVENT_NAME,
 if (count_read > 0, "MANY", "NONE") as COUNT_READ,
@@ -47,7 +47,7 @@ from performance_schema.file_summary_by_event_name
 where event_name like "%binlog%" order by event_name;
 EVENT_NAME	COUNT_READ	COUNT_WRITE	SUM_NUMBER_OF_BYTES_READ	SUM_NUMBER_OF_BYTES_WRITE
 wait/io/file/sql/binlog	MANY	MANY	MANY	MANY
-wait/io/file/sql/binlog_index	NONE	MANY	NONE	MANY
+wait/io/file/sql/binlog_index	MANY	MANY	MANY	MANY
 select
 EVENT_NAME,
 if (count_star > 0, "MANY", "NONE") as COUNT_STAR
@@ -95,7 +95,7 @@ where file_name like "%slave-%"
 order by file_name;
 FILE_NAME	EVENT_NAME	COUNT_READ	COUNT_WRITE	SUM_NUMBER_OF_BYTES_READ	SUM_NUMBER_OF_BYTES_WRITE
 slave-bin.000001	wait/io/file/sql/binlog	MANY	MANY	MANY	MANY
-slave-bin.index	wait/io/file/sql/binlog_index	NONE	MANY	NONE	MANY
+slave-bin.index	wait/io/file/sql/binlog_index	MANY	MANY	MANY	MANY
 slave-relay-bin.000001	wait/io/file/sql/relaylog	MANY	MANY	MANY	MANY
 slave-relay-bin.000002	wait/io/file/sql/relaylog	MANY	MANY	MANY	MANY
 slave-relay-bin.index	wait/io/file/sql/relaylog_index	MANY	MANY	MANY	MANY
@@ -111,7 +111,7 @@ from performance_schema.file_summary_by_instance
 where event_name like "%binlog%" order by file_name;
 FILE_NAME	EVENT_NAME	COUNT_READ	COUNT_WRITE	SUM_NUMBER_OF_BYTES_READ	SUM_NUMBER_OF_BYTES_WRITE
 slave-bin.000001	wait/io/file/sql/binlog	MANY	MANY	MANY	MANY
-slave-bin.index	wait/io/file/sql/binlog_index	NONE	MANY	NONE	MANY
+slave-bin.index	wait/io/file/sql/binlog_index	MANY	MANY	MANY	MANY
 select
 EVENT_NAME,
 if (count_read > 0, "MANY", "NONE") as COUNT_READ,
@@ -122,7 +122,7 @@ from performance_schema.file_summary_by_event_name
 where event_name like "%binlog%" order by event_name;
 EVENT_NAME	COUNT_READ	COUNT_WRITE	SUM_NUMBER_OF_BYTES_READ	SUM_NUMBER_OF_BYTES_WRITE
 wait/io/file/sql/binlog	MANY	MANY	MANY	MANY
-wait/io/file/sql/binlog_index	NONE	MANY	NONE	MANY
+wait/io/file/sql/binlog_index	MANY	MANY	MANY	MANY
 select
 EVENT_NAME,
 if (count_star > 0, "MANY", "NONE") as COUNT_STAR
diff --git a/mysql-test/t/alter_table.test b/mysql-test/t/alter_table.test
index ee9616e233d..28dfbaa27ec 100644
--- a/mysql-test/t/alter_table.test
+++ b/mysql-test/t/alter_table.test
@@ -1272,3 +1272,53 @@ ALTER COLUMN `consultant_id` DROP DEFAULT,
 MODIFY COLUMN `consultant_id` BIGINT;
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
+
+--echo #
+--echo # BUG#27788685: NO WARNING WHEN TRUNCATING A STRING WITH DATA LOSS
+--echo #
+
+SET GLOBAL max_allowed_packet=17825792;
+
+--connect(con1, localhost, root,,)
+CREATE TABLE t1 (t1_fld1 TEXT);
+CREATE TABLE t2 (t2_fld1 MEDIUMTEXT);
+CREATE TABLE t3 (t3_fld1 LONGTEXT);
+
+INSERT INTO t1 VALUES (REPEAT('a',300));
+INSERT INTO t2 VALUES (REPEAT('b',65680));
+INSERT INTO t3 VALUES (REPEAT('c',16777300));
+
+SELECT LENGTH(t1_fld1) FROM t1;
+SELECT LENGTH(t2_fld1) FROM t2;
+SELECT LENGTH(t3_fld1) FROM t3;
+
+--echo # With strict mode
+SET SQL_MODE='STRICT_ALL_TABLES';
+
+--error ER_DATA_TOO_LONG
+ALTER TABLE t1 CHANGE `t1_fld1` `my_t1_fld1` TINYTEXT;
+--error ER_DATA_TOO_LONG
+ALTER TABLE t2 CHANGE `t2_fld1` `my_t2_fld1` TEXT;
+--error ER_DATA_TOO_LONG
+ALTER TABLE t3 CHANGE `t3_fld1` `my_t3_fld1` MEDIUMTEXT;
+
+--echo # With non-strict mode
+SET SQL_MODE='';
+
+ALTER TABLE t1 CHANGE `t1_fld1` `my_t1_fld1` TINYTEXT;
+ALTER TABLE t2 CHANGE `t2_fld1` `my_t2_fld1` TEXT;
+ALTER TABLE t3 CHANGE `t3_fld1` `my_t3_fld1` MEDIUMTEXT;
+
+SELECT LENGTH(my_t1_fld1) FROM t1;
+SELECT LENGTH(my_t2_fld1) FROM t2;
+SELECT LENGTH(my_t3_fld1) FROM t3;
+
+# Cleanup
+--disconnect con1
+--source include/wait_until_disconnected.inc
+
+--connection default
+DROP TABLE t1, t2, t3;
+
+SET SQL_MODE=default;
+SET GLOBAL max_allowed_packet=default;