improved odps sql parser.

This commit is contained in:
wenshao
2017-07-17 10:54:44 +08:00
parent 0b12d03b6f
commit d4480d4f3c
5 changed files with 146 additions and 1 deletions
@@ -9,7 +9,7 @@ import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.odps.parser.OdpsStatementParser;
import com.alibaba.druid.sql.parser.Token;
public class OdpsCreateTableTest_1 extends TestCase {
public class OdpsCreateTableTest3 extends TestCase {
public void test_0() throws Exception {
String sql = "CREATE TABLE sale_detail_like LIKE sale_detail;";
@@ -0,0 +1,72 @@
/*
* Copyright 1999-2017 Alibaba Group Holding Ltd.
*
* Licensed 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 com.alibaba.druid.bvt.sql.odps;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
import com.alibaba.druid.util.JdbcConstants;
import junit.framework.TestCase;
import java.util.List;
public class OdpsCreateTableTest4 extends TestCase {
public void test_select() throws Exception {
// 1095288847322
String sql = "CREATE TABLE T1 (a string, b string, c bigint) CLUSTERED BY (c) SORTED by (c) INTO 1024 BUCKETS;";//
assertEquals("CREATE TABLE T1 (\n" +
"\ta STRING,\n" +
"\tb STRING,\n" +
"\tc BIGINT\n" +
")\n" +
"CLUSTERED BY (c)\n" +
"SORTED BY (c)\n" +
"INTO 1024 BUCKETS;", SQLUtils.formatOdps(sql));
assertEquals("create table T1 (\n" +
"\ta string,\n" +
"\tb string,\n" +
"\tc bigint\n" +
")\n" +
"clustered by (c)\n" +
"sorted by (c)\n" +
"into 1024 buckets;", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ODPS);
SQLStatement stmt = statementList.get(0);
assertEquals(1, statementList.size());
SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.ODPS);
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
// System.out.println("orderBy : " + visitor.getOrderByColumns());
assertEquals(1, visitor.getTables().size());
assertEquals(3, visitor.getColumns().size());
assertEquals(0, visitor.getConditions().size());
// System.out.println(SQLUtils.formatOdps(sql));
// assertTrue(visitor.getColumns().contains(new Column("abc", "name")));
}
}