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Code Issues Releases Wiki Activity

improved sql parser.

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wenshao
2017-05-28 17:39:53 +08:00
parent 78488b0b1a
commit a29eb6e0d2
45 changed files with 2303 additions and 89 deletions
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src/test/java/com/alibaba/druid/sql/oracle/demo/OracleResourceTest.java
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/*
* 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.sql.oracle.demo;
import com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import com.alibaba.druid.util.JdbcUtils;
import com.alibaba.druid.util.Utils;
import org.apache.commons.io.FileUtils;
import org.junit.Assert;
import java.io.File;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.List;
public class OracleResourceTest extends OracleTest {
public void test_0() throws Exception {
File file = new File("/Users/wenshao/Downloads/eoa_tmp_sqltext_1.csv");
String sql = FileUtils.readFileToString(file);
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
// Assert.assertEquals(1, statementList.size());
System.out.println(sql);
print(statementList);
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
for (int i = 0, size = statementList.size(); i < size; ++i) {
SQLStatement statement = statementList.get(i);
statement.accept(visitor);
}
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println();
System.out.println();
}
void mergValidate(String sql, String expect) {
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
Assert.assertEquals(1, statementList.size());
StringBuilder out = new StringBuilder();
MySqlOutputVisitor visitor = new MySqlOutputVisitor(out, true);
statemen.accept(visitor);
System.out.println(out.toString());
Assert.assertEquals(expect, out.toString());
}
}
src/test/java/com/alibaba/druid/sql/oracle/demo/OracleResourceTest2.java
+77
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/*
* 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.sql.oracle.demo;
import com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import org.apache.commons.io.FileUtils;
import org.junit.Assert;
import java.io.File;
import java.util.List;
public class OracleResourceTest2 extends OracleTest {
public void test_0() throws Exception {
File file = new File("/Users/wenshao/Downloads/Procedures.sql");
String sql = FileUtils.readFileToString(file);
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
// Assert.assertEquals(1, statementList.size());
System.out.println(sql);
print(statementList);
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
for (int i = 0, size = statementList.size(); i < size; ++i) {
SQLStatement statement = statementList.get(i);
statement.accept(visitor);
}
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println();
System.out.println();
}
void mergValidate(String sql, String expect) {
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
Assert.assertEquals(1, statementList.size());
StringBuilder out = new StringBuilder();
MySqlOutputVisitor visitor = new MySqlOutputVisitor(out, true);
statemen.accept(visitor);
System.out.println(out.toString());
Assert.assertEquals(expect, out.toString());
}
}