/*
* 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.postgresql;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.PGTest;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGOutputVisitor;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
import com.alibaba.druid.util.Utils;
import com.alibaba.druid.util.JdbcUtils;
public class PostgresqlResourceTest extends PGTest {
public void test_0() throws Exception {
// 13
exec_test("bvt/parser/postgresql-0.txt");
// for (int i = 0; i <= 53; ++i) {
// exec_test("bvt/parser/oracle-" + i + ".txt");
// }
}
public void exec_test(String resource) throws Exception {
System.out.println(resource);
InputStream is = null;
is = Thread.currentThread().getContextClassLoader().getResourceAsStream(resource);
Reader reader = new InputStreamReader(is, "UTF-8");
String input = Utils.read(reader);
JdbcUtils.close(reader);
String[] items = input.split("---------------------------");
String sql = items[0].trim();
String expect = items[1].trim();
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
print(statementList);
Assert.assertEquals(1, statementList.size());
PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
statemen.accept(visitor);
System.out.println(sql);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println();
System.out.println();
}
void mergValidate(String sql, String expect) {
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
Assert.assertEquals(1, statementList.size());
StringBuilder out = new StringBuilder();
PGOutputVisitor visitor = new PGOutputVisitor(out);
statemen.accept(visitor);
System.out.println(out.toString());
Assert.assertEquals(expect, out.toString());
}
}