1 files changed, 92 insertions, 0 deletions
diff --git a/mysql-test/suite/innodb/t/blob_redo.test b/mysql-test/suite/innodb/t/blob_redo.test
new file mode 100644
index 00000000000..d292a729d34
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+++ b/mysql-test/suite/innodb/t/blob_redo.test
@@ -0,0 +1,92 @@
+--source include/not_embedded.inc
+--source include/not_crashrep.inc
+--source include/have_innodb.inc
+--source include/have_innodb_16k.inc
+
+--echo #
+--echo # Bug #19498877 LIMITATION ON BLOB SIZE IS TOO STRICT, BLOB CAN
+--echo # BE 10% OF TOTAL REDO LOG SIZE
+--echo #
+
+# Save the initial number of concurrent sessions.
+--source include/count_sessions.inc
+
+call mtr.add_suppression("InnoDB: Resizing redo log from");
+call mtr.add_suppression("InnoDB: Starting to delete and rewrite log files.");
+call mtr.add_suppression("InnoDB: New log files created, LSN=");
+
+SET GLOBAL max_allowed_packet = 100*1024*1024;
+
+--echo # Connection big_packets:
+connect(big_packets,localhost,root,,);
+connection big_packets;
+
+CREATE TABLE t1 (a BIGINT PRIMARY KEY, b LONGBLOB) ENGINE=InnoDB;
+
+# Insert a few rows (it doesn't really matter how many). These transactions
+# are committed once they are acked, so they should not be lost.
+INSERT INTO t1 (a, b) VALUES (1, '1');
+INSERT INTO t1 (a, b) VALUES (2, '2');
+INSERT INTO t1 (a, b) VALUES (3, '3');
+INSERT INTO t1 (a, b) VALUES (4, '4');
+INSERT INTO t1 (a, b) VALUES (5, '5');
+
+start transaction;
+INSERT INTO t1 (a, b) VALUES (6, REPEAT('a', 6*1024*1024));
+
+--echo # Connection default:
+connection default;
+
+# We expect a restart.
+--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
+
+--echo # Quick shutdown and restart server
+--shutdown_server 0
+
+# Wait for the server to come back up, and reconnect.
+--enable_reconnect
+--source include/wait_until_connected_again.inc
+--disable_reconnect
+
+--echo # Connection default:
+connection default;
+
+--disconnect big_packets
+
+# We should see (1,2,3,4,5) here.
+SELECT a, b FROM t1;
+
+SET GLOBAL max_allowed_packet = 100*1024*1024;
+
+--echo # Connection big_packets:
+connect(big_packets,localhost,root,,);
+
+start transaction;
+UPDATE t1 SET b = REPEAT('a', 6*1024*1024) WHERE a = 1;
+
+--echo # Connection default:
+connection default;
+
+# We expect a restart.
+--exec echo "restart" > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
+
+--echo # Quick shutdown and restart server
+--shutdown_server 0
+
+# Wait for the server to come back up, and reconnect.
+--enable_reconnect
+--source include/wait_until_connected_again.inc
+--disable_reconnect
+
+--echo # Connection default:
+connection default;
+
+--disconnect big_packets
+
+# We should see (1,2,3,4,5) here.
+SELECT a, b FROM t1;
+
+# Clean up.
+DROP TABLE t1;
+
+--source include/wait_until_count_sessions.inc