/*
* Copyright 1999-2011 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 java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.MysqlTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
import com.alibaba.druid.sql.ast.expr.SQLBinaryOperator;
import com.alibaba.druid.sql.ast.expr.SQLNotExpr;
import com.alibaba.druid.sql.ast.statement.SQLSelect;
import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
public class MySqlSelectTest_16 extends MysqlTest {
public void test_0() throws Exception {
String sql = "select a from t where not a>1 and not b<1";
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
SQLSelectStatement selectStmt = (SQLSelectStatement) stmt;
SQLSelect select = selectStmt.getSelect();
Assert.assertNotNull(select.getQuery());
MySqlSelectQueryBlock queryBlock = (MySqlSelectQueryBlock) select.getQuery();
Assert.assertNull(queryBlock.getOrderBy());
{
SQLExpr where = queryBlock.getWhere();
Assert.assertTrue(where instanceof SQLBinaryOpExpr);
SQLBinaryOpExpr binaryWhere = (SQLBinaryOpExpr) where;
Assert.assertEquals(binaryWhere.getOperator(), SQLBinaryOperator.BooleanAnd);
Assert.assertTrue(binaryWhere.getLeft() instanceof SQLNotExpr);
Assert.assertTrue(binaryWhere.getRight() instanceof SQLNotExpr);
}
print(statementList);
Assert.assertEquals(1, statementList.size());
MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
stmt.accept(visitor);
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(2, visitor.getColumns().size());
Assert.assertEquals(2, visitor.getConditions().size());
Assert.assertEquals(0, visitor.getOrderByColumns().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t")));
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("SELECT a" //
+ "\nFROM t"//
+ "\nWHERE NOT a > 1"//
+ "\n\tAND NOT b < 1", //
output);
}
}