Importing test cases for IBMDB2I

The current patch

-- Adds the ibmdb2i suite
-- related include(.inc) files
-- tests for Bug#44020 and Bug#44025

mysql-test/suite/ibmdb2i/include/have_i61.inc

+# Check for IBM i 6.1 or later
+--disable_query_log
+system uname -rv > $MYSQLTEST_VARDIR/tmp/version;
+--disable_warnings
+drop table if exists uname_vr;
+--enable_warnings
+create temporary table uname_vr (r int, v int);
+--disable_warnings
+eval LOAD DATA INFILE "$MYSQLTEST_VARDIR/tmp/version" into table uname_vr fields terminated by ' ';
+--enable_warnings
+let $ok = `select count(*) from uname_vr where v > 5`;
+drop table uname_vr;
+remove_file $MYSQLTEST_VARDIR/tmp/version;
+--enable_query_log
+if (!$ok)
+{
+  skip "Need IBM i 6.1 or later";
+}
+  
+

mysql-test/suite/ibmdb2i/include/have_ibmdb2i.inc

+if (!`SELECT count(*) FROM information_schema.engines WHERE
+      (support = 'YES' OR support = 'DEFAULT') AND
+      engine = 'ibmdb2i'`)
+{
+  skip Need ibmdb2i engine;
+}

mysql-test/suite/ibmdb2i/r/ibmdb2i_bug_44020.result

+create schema `A12345_@$#`;
+create table `A12345_@$#`.t1 (i int) engine=ibmdb2i;
+show create table `A12345_@$#`.t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `i` int(11) DEFAULT NULL
+) ENGINE=IBMDB2I DEFAULT CHARSET=latin1
+select * from `A12345_@$#`.t1;
+i
+drop table `A12345_@$#`.t1;
+drop schema `A12345_@$#`;

mysql-test/suite/ibmdb2i/r/ibmdb2i_bug_44025.result

+create table t1 (c char(10) collate utf8_swedish_ci, index(c)) engine=ibmdb2i;
+drop table t1;
+create table t1 (c char(10) collate ucs2_swedish_ci, index(c)) engine=ibmdb2i;
+drop table t1;

mysql-test/suite/ibmdb2i/t/ibmdb2i_bug_44020.test

+source suite/ibmdb2i/include/have_ibmdb2i.inc;
+source include/have_case_sensitive_file_system.inc;
+
+create schema `A12345_@$#`;
+create table `A12345_@$#`.t1 (i int) engine=ibmdb2i;
+show create table `A12345_@$#`.t1;
+select * from `A12345_@$#`.t1;
+drop table `A12345_@$#`.t1;
+drop schema `A12345_@$#`;

mysql-test/suite/ibmdb2i/t/ibmdb2i_bug_44025.test

+source suite/ibmdb2i/include/have_ibmdb2i.inc;
+source suite/ibmdb2i/include/have_i61.inc;
+
+
+create table t1 (c char(10) collate utf8_swedish_ci, index(c)) engine=ibmdb2i;
+drop table t1;
+
+create table t1 (c char(10) collate ucs2_swedish_ci, index(c)) engine=ibmdb2i;
+drop table t1;