public final void testColumnPartitionedTableByThreeColumns() throws Exception {
String tableName = CatalogUtil.normalizeIdentifier("testColumnPartitionedTableByThreeColumns");
ResultSet res = testBase.execute(
"create table " + tableName + " (col4 text) partition by column(col1 int4, col2 int4, col3 float8) ");
res.close();
TajoTestingCluster cluster = testBase.getTestingCluster();
CatalogService catalog = cluster.getMaster().getCatalog();
assertTrue(catalog.existsTable(DEFAULT_DATABASE_NAME, tableName));
res = executeString("insert overwrite into " + tableName
+ " select l_returnflag, l_orderkey, l_partkey, l_quantity from lineitem");
res.close();