/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hive.ql.parse;
import junit.framework.Assert;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.metastore.api.FieldSchema;
import org.apache.hadoop.hive.ql.Driver;
import org.apache.hadoop.hive.ql.QueryPlan;
import org.apache.hadoop.hive.ql.exec.DDLTask;
import org.apache.hadoop.hive.ql.plan.CreateTableDesc;
import org.apache.hadoop.hive.ql.plan.DDLWork;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.junit.Test;
public class TestHiveDecimalParse {
@Test
public void testDecimalType() throws ParseException {
String query = "create table dec (d decimal)";
String type = getColumnType(query);
Assert.assertEquals("decimal(10,0)", type);
}
@Test
public void testDecimalType1() throws ParseException {
String query = "create table dec (d decimal(5))";
String type = getColumnType(query);
Assert.assertEquals("decimal(5,0)", type);
}
@Test
public void testDecimalType2() throws ParseException {
String query = "create table dec (d decimal(9,7))";
String type = getColumnType(query);
Assert.assertEquals("decimal(9,7)", type);
}
@Test
public void testDecimalType3() throws ParseException {
String query = "create table dec (d decimal(66,7))";
Driver driver = createDriver();
int rc = driver.compile(query);
Assert.assertTrue("Got " + rc + ", expected not zero", rc != 0);
Assert.assertTrue(driver.getErrorMsg(),
driver.getErrorMsg().contains("Decimal precision out of allowed range [1,38]"));
}
@Test
public void testDecimalType4() throws ParseException {
String query = "create table dec (d decimal(0,7))";
Driver driver = createDriver();
int rc = driver.compile(query);
Assert.assertTrue("Got " + rc + ", expected not zero", rc != 0);
Assert.assertTrue(driver.getErrorMsg(),
driver.getErrorMsg().contains("Decimal precision out of allowed range [1,38]"));
}
@Test
public void testDecimalType5() throws ParseException {
String query = "create table dec (d decimal(7,33))";
Driver driver = createDriver();
int rc = driver.compile(query);
Assert.assertTrue("Got " + rc + ", expected not zero", rc != 0);
Assert.assertTrue(driver.getErrorMsg(),
driver.getErrorMsg().contains("Decimal scale must be less than or equal to precision"));
}
@Test
public void testDecimalType6() throws ParseException {
String query = "create table dec (d decimal(7,-1))";
Driver driver = createDriver();
int rc = driver.compile(query);
Assert.assertTrue("Got " + rc + ", expected not zero", rc != 0);
Assert.assertTrue(driver.getErrorMsg(),
driver.getErrorMsg().contains("extraneous input '-' expecting Number"));
}
@Test
public void testDecimalType7() throws ParseException {
String query = "create table dec (d decimal(7,33,4))";
Driver driver = createDriver();
int rc = driver.compile(query);
Assert.assertTrue("Got " + rc + ", expected not zero", rc != 0);
Assert.assertTrue(driver.getErrorMsg(),
driver.getErrorMsg().contains("missing ) at ',' near ',' in column specification"));
}
@Test
public void testDecimalType8() throws ParseException {
String query = "create table dec (d decimal(7a))";
Driver driver = createDriver();
int rc = driver.compile(query);
Assert.assertTrue("Got " + rc + ", expected not zero", rc != 0);
Assert.assertTrue(driver.getErrorMsg(),
driver.getErrorMsg().contains("mismatched input '7a' expecting Number near '('"));
}
@Test
public void testDecimalType9() throws ParseException {
String query = "create table dec (d decimal(20,23))";
Driver driver = createDriver();
int rc = driver.compile(query);
Assert.assertTrue("Got " + rc + ", expected not zero", rc != 0);
Assert.assertTrue(driver.getErrorMsg(),
driver.getErrorMsg().contains("Decimal scale must be less than or equal to precision"));
}
private Driver createDriver() {
HiveConf conf = new HiveConf(Driver.class);
SessionState.start(conf);
Driver driver = new Driver(conf);
driver.init();
return driver;
}
private String getColumnType(String query) {
Driver driver = createDriver();
int rc = driver.compile(query);
if (rc != 0) {
return null;
}
QueryPlan plan = driver.getPlan();
DDLTask task = (DDLTask) plan.getRootTasks().get(0);
DDLWork work = task.getWork();
CreateTableDesc spec = work.getCreateTblDesc();
FieldSchema fs = spec.getCols().get(0);
return fs.getType();
}
}