refs #5728 tests for fast update of varchar fields

git-svn-id: file:///svn/mysql/tests/mysql-test@51912 c7de825b-a66e-492c-adef-691d508d4ae1

mysql-test/suite/tokudb.fast_update/t/tokudb_fast_update_varchar.py

+#!/usr/bin/env python
+
+import sys
+import random
+import string
+
+def main():
+    print "# generated by tokudb_fast_update_varchar.py"
+    print "source include/have_tokudb.inc;"
+    print "source include/have_innodb.inc;"
+    print "set default_storage_engine='tokudb';"
+    print "disable_warnings;"
+    print "drop table if exists t;"
+    print "enable_warnings;"
+
+    nrows = 100
+
+    for t in [ 'varchar', 'varbinary' ]:
+        for l in [ 32, 256 ]:
+            for n in [ 'null', 'not null' ]:
+                test_varchar(t, l, n, nrows)
+    return 0
+
+def test_varchar(t, l, n, nrows):
+    print "create table tt (id bigint unsigned primary key,"
+    print "    f0 int %s," % (n)
+    for i in range(4):
+        print "     v%d %s(%d) %s," % (i, t, l, n)
+    print "     b0 text %s" % (n)
+    print ") engine=tokudb;"
+
+    if n == 'null':
+        print "insert into tt (id) values (0);"
+    print "insert into tt values (1,2,'a','b','c','d','e');"
+    for i in range(2,nrows):
+        print "insert into tt values (%d,%d,'','','','','');" % (i,i+1)
+
+    print "create table ti like tt;"
+    print "alter table ti engine=innodb;"
+    print "insert into ti select * from tt;"
+
+    nulltest = [ 'null this', 'null is', 'null a', 'null test' ]
+    for i in range(4):
+        print "update noar tt set v%d='%s %s' where id=0;" % (i, nulltest[i], str(i))
+        print "update noar ti set v%d='%s %s' where id=0;" % (i, nulltest[i], str(i))
+
+    test = [ 'this' ,'is', 'another', 'test']
+    for i in range(4):
+        print "update noar tt set v%d='%s %s' where id=1;" % (i, test[i], str(i))
+        print "update noar ti set v%d='%s %s' where id=1;" % (i, test[i], str(i))
+
+    for id in range(2,nrows):
+        for i in range(4):
+            long_str = ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(l+1))
+            print "update noar tt set v%d='%s' where id=%d;" % (i, long_str, id)
+            print "update noar ti set v%d='%s' where id=%d;" % (i, long_str, id)
+
+    print "let $diff_tables = test.tt, test.ti;"
+    print "source include/diff_tables.inc;"
+
+    print "drop table tt, ti;"
+
+sys.exit(main())