PT-1616 Added failing test case

t/pt-table-checksum/samples/pt-1616.sql

@@ -0,0 +1,30 @@
+DROP DATABASE IF EXISTS junk;
+CREATE DATABASE junk;
+CREATE TABLE junk.pt_test_100 (
+    id1 binary(16), 
+    id2 binary(16), 
+    PRIMARY KEY(id1, id2)
+);
+
+
+CREATE DATABASE IF NOT EXISTS percona;
+CREATE TABLE IF NOT EXISTS percona.checksums (
+   db             CHAR(64)     NOT NULL,
+   tbl            CHAR(64)     NOT NULL,
+   chunk          INT          NOT NULL,
+   chunk_time     FLOAT            NULL,
+   chunk_index    VARCHAR(200)     NULL,
+   lower_boundary TEXT             NULL,
+   upper_boundary TEXT             NULL,
+   this_crc       CHAR(40)     NOT NULL,
+   this_cnt       INT          NOT NULL,
+   master_crc     CHAR(40)         NULL,
+   master_cnt     INT              NULL,
+   ts             TIMESTAMP    NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+   PRIMARY KEY (db, tbl, chunk),
+   INDEX ts_db_tbl (ts, db, tbl)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+TRUNCATE TABLE percona.checksums;
+
+ALTER TABLE percona.checksums MODIFY upper_boundary BLOB, MODIFY lower_boundary BLOB;