From 00eefb99b428759d73095b252fc60c191ace432a Mon Sep 17 00:00:00 2001 From: wenshao Date: Sun, 4 Feb 2018 16:12:53 +0800 Subject: [PATCH] add testcase for issue #2295 --- .../druid/bvt/sql/db2/DB2SelectTest_31.java | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 src/test/java/com/alibaba/druid/bvt/sql/db2/DB2SelectTest_31.java diff --git a/src/test/java/com/alibaba/druid/bvt/sql/db2/DB2SelectTest_31.java b/src/test/java/com/alibaba/druid/bvt/sql/db2/DB2SelectTest_31.java new file mode 100644 index 0000000000..8749803cab --- /dev/null +++ b/src/test/java/com/alibaba/druid/bvt/sql/db2/DB2SelectTest_31.java @@ -0,0 +1,73 @@ +/* + * 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.db2; + +import com.alibaba.druid.sql.DB2Test; +import com.alibaba.druid.sql.SQLUtils; +import com.alibaba.druid.sql.ast.SQLStatement; +import com.alibaba.druid.sql.ast.statement.SQLSelectStatement; +import com.alibaba.druid.sql.dialect.db2.parser.DB2StatementParser; +import com.alibaba.druid.sql.dialect.db2.visitor.DB2SchemaStatVisitor; +import com.alibaba.druid.stat.TableStat; +import com.alibaba.druid.util.JdbcConstants; + +import java.util.List; + +public class DB2SelectTest_31 extends DB2Test { + + public void test_0() throws Exception { + String sql = "select rtrim(current_server), rtrim(current schema), rtrim(current_user) from sysibm.sysdummy1"; + + DB2StatementParser parser = new DB2StatementParser(sql); + List statementList = parser.parseStatementList(); + SQLSelectStatement stmt = (SQLSelectStatement) statementList.get(0); + assertEquals("SELECT rtrim(current_server), rtrim(CURRENT SCHEMA)\n" + + "\t, rtrim(current_user)\n" + + "FROM sysibm.sysdummy1", stmt.getSelect().toString()); + + assertEquals("sysibm.sysdummy1", stmt.getSelect().getQueryBlock().getFrom().toString()); + + assertEquals(1, statementList.size()); + + DB2SchemaStatVisitor visitor = new DB2SchemaStatVisitor(); + 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(2, visitor.getColumns().size()); + assertEquals(0, visitor.getConditions().size()); + + assertTrue(visitor.getTables().containsKey(new TableStat.Name("sysibm.sysdummy1"))); + +// assertTrue(visitor.getColumns().contains(new Column("DSN8B10.EMP", "WORKDEPT"))); + // assertTrue(visitor.getColumns().contains(new Column("mytable", "first_name"))); + // assertTrue(visitor.getColumns().contains(new Column("mytable", "full_name"))); + + assertEquals("SELECT rtrim(current_server), rtrim(CURRENT SCHEMA)\n" + + "\t, rtrim(current_user)\n" + + "FROM sysibm.sysdummy1", // + SQLUtils.toSQLString(stmt, JdbcConstants.DB2)); + + assertEquals("select rtrim(current_server), rtrim(CURRENT SCHEMA)\n" + + "\t, rtrim(current_user)\n" + + "from sysibm.sysdummy1", // + SQLUtils.toSQLString(stmt, JdbcConstants.DB2, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION)); + } +}