/*
* 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.oracle;
import org.junit.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
import com.alibaba.druid.sql.ast.expr.SQLBinaryOperator;
import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
public class LargeOrTest extends TestCase {
public void test_largeOr() throws Exception {
StringBuffer buf = new StringBuffer();
buf.append("SELECT 1 FROM T WHERE ID = ?");
for (int i = 0; i < 10000; ++i) {
buf.append(" OR ID = ?");
}
String sql = buf.toString();
OracleStatementParser parser = new OracleStatementParser(sql);
SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
SQLSelectQueryBlock select = (SQLSelectQueryBlock) stmt.getSelect().getQuery();
SQLBinaryOpExpr where = (SQLBinaryOpExpr) select.getWhere();
SQLBinaryOpExpr last = (SQLBinaryOpExpr) where.getRight();
Assert.assertEquals(SQLBinaryOperator.Equality, last.getOperator());
}
public void test_largeAnd() throws Exception {
StringBuffer buf = new StringBuffer();
buf.append("SELECT 1 FROM T WHERE ID = ?");
for (int i = 0; i < 10000; ++i) {
buf.append(" AND ID = ?");
}
String sql = buf.toString();
OracleStatementParser parser = new OracleStatementParser(sql);
SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
SQLSelectQueryBlock select = (SQLSelectQueryBlock) stmt.getSelect().getQuery();
SQLBinaryOpExpr where = (SQLBinaryOpExpr) select.getWhere();
SQLBinaryOpExpr last = (SQLBinaryOpExpr) where.getRight();
Assert.assertEquals(SQLBinaryOperator.Equality, last.getOperator());
}
}