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Code Issues Releases Wiki Activity

improved sql parser, support over winding_clause.

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This commit is contained in:
wenshao
2016-10-09 10:02:44 +08:00
parent 93cfb5ba58
commit 57bf786427
6 changed files with 436 additions and 25 deletions
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src/test/java/com/alibaba/druid/bvt/sql/odps/OdpsSelectTest_over_rows.java
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/*
* Copyright 1999-2101 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 org.junit.Assert;
import java.util.List;
public class OdpsSelectTest_over_rows extends TestCase {
public void test_select() throws Exception {
String sql = "SELECT sum(c) over(order by ds rows 9999 preceding) s, ds FROM t1";//
Assert.assertEquals("SELECT SUM(c) OVER (ORDER BY ds ROWS 9999 PRECEDING) AS s\n" +
"\t, ds\n" +
"FROM t1", SQLUtils.formatOdps(sql));
Assert.assertEquals("select sum(c) over (order by ds rows 9999 preceding) as s\n" +
"\t, ds\n" +
"from t1", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ODPS);
SQLStatement stmt = statementList.get(0);
Assert.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());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(2, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
// Assert.assertTrue(visitor.getColumns().contains(new Column("abc", "name")));
}
}
src/test/java/com/alibaba/druid/bvt/sql/odps/OdpsSelectTest_over_rows_1.java
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/*
* Copyright 1999-2101 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 org.junit.Assert;
import java.util.List;
public class OdpsSelectTest_over_rows_1 extends TestCase {
public void test_select() throws Exception {
String sql = "select last_name, first_name, department_id, hire_date, salary,\n" +
" SUM (salary)\n" +
" OVER (PARTITION BY department_id ORDER BY hire_date\n" +
" RANGE BETWEEN 365 PRECEDING AND 365 FOLLOWING) department_total\n" +
" from employee\n" +
" order by department_id, hire_date;";//
Assert.assertEquals("SELECT last_name\n" +
"\t, first_name\n" +
"\t, department_id\n" +
"\t, hire_date\n" +
"\t, salary\n" +
"\t, SUM(salary) OVER (PARTITION BY department_id ORDER BY hire_date RANGE BETWEEN 365 PRECEDING AND 365 FOLLOWING) AS department_total\n" +
"FROM employee\n" +
"ORDER BY department_id, \n" +
"\thire_date;", SQLUtils.formatOdps(sql));
Assert.assertEquals("select last_name\n" +
"\t, first_name\n" +
"\t, department_id\n" +
"\t, hire_date\n" +
"\t, salary\n" +
"\t, sum(salary) over (partition by department_id order by hire_date range between 365 preceding and 365 following) as department_total\n" +
"from employee\n" +
"order by department_id, \n" +
"\thire_date;", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ODPS);
SQLStatement stmt = statementList.get(0);
Assert.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());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(5, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
// Assert.assertTrue(visitor.getColumns().contains(new Column("abc", "name")));
}
}
src/test/java/com/alibaba/druid/bvt/sql/odps/OdpsSelectTest_over_rows_2.java
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/*
* Copyright 1999-2101 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 org.junit.Assert;
import java.util.List;
public class OdpsSelectTest_over_rows_2 extends TestCase {
public void test_select() throws Exception {
String sql = "select last_name, first_name, department_id, hire_date, salary,\n" +
" SUM (salary)\n" +
" OVER (PARTITION BY department_id ORDER BY last_name, first_name\n" +
" RANGE 90 PRECEDING) department_total\n" +
" from employee\n" +
" order by department_id, hire_date;\n" +
"";//
Assert.assertEquals("SELECT last_name\n" +
"\t, first_name\n" +
"\t, department_id\n" +
"\t, hire_date\n" +
"\t, salary\n" +
"\t, SUM(salary) OVER (PARTITION BY department_id ORDER BY last_name, \n" +
"\t\tfirst_name RANGE 90 PRECEDING) AS department_total\n" +
"FROM employee\n" +
"ORDER BY department_id, \n" +
"\thire_date;", SQLUtils.formatOdps(sql));
Assert.assertEquals("select last_name\n" +
"\t, first_name\n" +
"\t, department_id\n" +
"\t, hire_date\n" +
"\t, salary\n" +
"\t, sum(salary) over (partition by department_id order by last_name, \n" +
"\t\tfirst_name range 90 preceding) as department_total\n" +
"from employee\n" +
"order by department_id, \n" +
"\thire_date;", SQLUtils.formatOdps(sql, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ODPS);
SQLStatement stmt = statementList.get(0);
Assert.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());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(5, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
// Assert.assertTrue(visitor.getColumns().contains(new Column("abc", "name")));
}
}