@Test
public final void testCreateAndPurgeExternalTableByExecuteQuery()
throws IOException, ServiceException {
TajoConf conf = cluster.getConfiguration();
final String tableName = "testCreateAndPurgeExternalTableByExecuteQuery";
Path tablePath = writeTmpTable(tableName);
assertFalse(client.existTable(tableName));
String sql =
"create external table "
+ tableName
+ " (deptname text, score int4) "
+ "using csv location '"
+ tablePath
+ "'";
client.executeQueryAndGetResult(sql);
assertTrue(client.existTable(tableName));
client.updateQuery("drop table " + tableName + " purge");
assertFalse(client.existTable(tableName));
FileSystem localFS = FileSystem.getLocal(conf);
assertFalse(localFS.exists(tablePath));
}
@Test
public final void testFailCreateTablePartitionedOtherExceptColumn()
throws IOException, ServiceException, SQLException {
TajoConf conf = cluster.getConfiguration();
final String tableName = "testFailCreateTablePartitionedOtherExceptColumn";
assertFalse(client.existTable(tableName));
String rangeSql = "create table " + tableName + " (deptname text, score int4)";
rangeSql += "PARTITION BY RANGE (score)";
rangeSql += "( PARTITION sub_part1 VALUES LESS THAN (2),";
rangeSql += "PARTITION sub_part2 VALUES LESS THAN (5),";
rangeSql += "PARTITION sub_part2 VALUES LESS THAN (MAXVALUE) )";
assertFalse(client.updateQuery(rangeSql));
String listSql = "create table " + tableName + " (deptname text, score int4)";
listSql += "PARTITION BY LIST (deptname)";
listSql += "( PARTITION sub_part1 VALUES('r&d', 'design'),";
listSql += "PARTITION sub_part2 VALUES('sales', 'hr') )";
assertFalse(client.updateQuery(listSql));
String hashSql = "create table " + tableName + " (deptname text, score int4)";
hashSql += "PARTITION BY HASH (deptname)";
hashSql += "PARTITIONS 2";
assertFalse(client.updateQuery(hashSql));
}
@Test
public final void testDDLByExecuteQuery() throws IOException, ServiceException {
final String tableName = "testDDLByExecuteQuery";
Path tablePath = writeTmpTable(tableName);
assertFalse(client.existTable(tableName));
String sql =
"create external table "
+ tableName
+ " (deptname text, score int4) "
+ "using csv location '"
+ tablePath
+ "'";
client.executeQueryAndGetResult(sql);
assertTrue(client.existTable(tableName));
}
@Test
public final void testGetTableList() throws IOException, ServiceException {
String tableName1 = "GetTableList1".toLowerCase();
String tableName2 = "GetTableList2".toLowerCase();
assertFalse(client.existTable(tableName1));
assertFalse(client.existTable(tableName2));
client.updateQuery("create table GetTableList1 (age int, name text);");
client.updateQuery("create table GetTableList2 (age int, name text);");
assertTrue(client.existTable(tableName1));
assertTrue(client.existTable(tableName2));
Set<String> tables = Sets.newHashSet(client.getTableList());
assertTrue(tables.contains(tableName1));
assertTrue(tables.contains(tableName2));
}
@Test
public final void testCreateAndDropExternalTable()
throws IOException, ServiceException, SQLException {
final String tableName = "testCreateAndDropExternalTable";
Path tablePath = writeTmpTable(tableName);
LOG.error("Full path:" + tablePath.toUri().getRawPath());
FileSystem fs = tablePath.getFileSystem(conf);
assertTrue(fs.exists(tablePath));
assertFalse(client.existTable(tableName));
client.createExternalTable(
tableName, BackendTestingUtil.mockupSchema, tablePath, BackendTestingUtil.mockupMeta);
assertTrue(client.existTable(tableName));
client.dropTable(tableName);
assertFalse(client.existTable(tableName));
fs = tablePath.getFileSystem(conf);
assertTrue(fs.exists(tablePath));
}
@Test
public final void testGetTableDesc() throws IOException, ServiceException, SQLException {
final String tableName1 = "table3";
Path tablePath = writeTmpTable(tableName1);
LOG.error("Full path:" + tablePath.toUri().getRawPath());
FileSystem fs = tablePath.getFileSystem(conf);
assertTrue(fs.exists(tablePath));
assertNotNull(tablePath);
assertFalse(client.existTable(tableName1));
client.createExternalTable(
"table3", BackendTestingUtil.mockupSchema, tablePath, BackendTestingUtil.mockupMeta);
assertTrue(client.existTable(tableName1));
TableDesc desc = client.getTableDesc(tableName1);
assertNotNull(desc);
assertEquals(tableName1, desc.getName());
assertTrue(desc.getStats().getNumBytes() > 0);
}
@Test
public final void testCreateAndPurgeTableByExecuteQuery()
throws IOException, ServiceException, SQLException {
TajoConf conf = cluster.getConfiguration();
final String tableName = "testCreateAndPurgeTableByExecuteQuery";
assertFalse(client.existTable(tableName));
String sql = "create table " + tableName + " (deptname text, score int4)";
client.updateQuery(sql);
assertTrue(client.existTable(tableName));
Path tablePath = client.getTableDesc(tableName).getPath();
FileSystem hdfs = tablePath.getFileSystem(conf);
assertTrue(hdfs.exists(tablePath));
client.updateQuery("drop table " + tableName + " purge");
assertFalse(client.existTable(tableName));
assertFalse(hdfs.exists(tablePath));
}
// @Test
public final void testCreateAndDropTablePartitionedHash1ByExecuteQuery()
throws IOException, ServiceException, SQLException {
TajoConf conf = cluster.getConfiguration();
final String tableName = "testCreateAndDropTablePartitionedHash1ByExecuteQuery";
assertFalse(client.existTable(tableName));
String sql = "create table " + tableName + " (deptname text, score int4)";
sql += " PARTITION BY HASH (deptname)";
sql += " (PARTITION sub_part1, PARTITION sub_part2, PARTITION sub_part3)";
client.updateQuery(sql);
assertTrue(client.existTable(tableName));
Path tablePath = client.getTableDesc(tableName).getPath();
FileSystem hdfs = tablePath.getFileSystem(conf);
assertTrue(hdfs.exists(tablePath));
client.updateQuery("drop table " + tableName);
assertFalse(client.existTable(tableName));
assertTrue(hdfs.exists(tablePath));
}