From 594bb0020fa09d6b8ea236cb9bbbc2b45ac40c9c Mon Sep 17 00:00:00 2001 From: wenshao Date: Tue, 3 Oct 2017 16:30:05 +0800 Subject: [PATCH] add testcase for issue #1645 --- .../bvt/sql/mysql/MySqlExplainTest_1.java | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlExplainTest_1.java diff --git a/src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlExplainTest_1.java b/src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlExplainTest_1.java new file mode 100644 index 0000000000..cb581b4bed --- /dev/null +++ b/src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlExplainTest_1.java @@ -0,0 +1,56 @@ +/* + * 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.mysql; + +import com.alibaba.druid.sql.MysqlTest; +import com.alibaba.druid.sql.ast.SQLStatement; +import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser; +import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor; +import com.alibaba.druid.stat.TableStat; +import org.junit.Assert; + +import java.util.List; + +public class MySqlExplainTest_1 extends MysqlTest { + + public void test_0() throws Exception { + String sql = "explain extended select * from foo"; + + MySqlStatementParser parser = new MySqlStatementParser(sql); + List statementList = parser.parseStatementList(); + SQLStatement stmt = statementList.get(0); +// print(statementList); + + Assert.assertEquals(1, statementList.size()); + + MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor(); + 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(1, visitor.getColumns().size()); + Assert.assertEquals(0, visitor.getConditions().size()); + + Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("foo"))); +// Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t2"))); + +// Assert.assertTrue(visitor.getColumns().contains(new Column("t2", "id"))); + } +}