improve sql parser

This commit is contained in:
wenshao
2013-08-07 10:53:35 +08:00
parent 7614977747
commit 32e407557a
4 changed files with 201 additions and 0 deletions
@@ -0,0 +1,66 @@
/*
* 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 org.junit.Assert;
import com.alibaba.druid.sql.MysqlTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
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 MySqlCreateTableTest47 extends MysqlTest {
public void test_0() throws Exception {
String sql = "CREATE TABLE issuestatus ("//
+ "ID VARCHAR(60) NOT NULL, " //
+ "SEQUENCE DECIMAL(18,0), " //
+ "pname VARCHAR(60), " //
+ "DESCRIPTION TEXT, " //
+ "ICONURL VARCHAR(255), " //
+ "CONSTRAINT PK_issuestatus PRIMARY KEY (ID))"; //
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLStatement stmt = parser.parseCreateTable();
MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
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());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(5, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("issuestatus")));
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("CREATE TABLE issuestatus ("//
+ "\n\tID VARCHAR(60) NOT NULL, "//
+ "\n\tSEQUENCE DECIMAL(18, 0), "//
+ "\n\tpname VARCHAR(60), "//
+ "\n\tDESCRIPTION TEXT, "//
+ "\n\tICONURL VARCHAR(255), "//
+ "\n\tCONSTRAINT PK_issuestatus PRIAMRY KEY (ID)"//
+ "\n)", output);
}
}
@@ -0,0 +1,68 @@
/*
* 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 org.junit.Assert;
import com.alibaba.druid.sql.MysqlTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
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 MySqlCreateTableTest48 extends MysqlTest {
public void test_0() throws Exception {
String sql = "CREATE TABLE AO_E8B6CC_REPO_TO_CHANGESET (" //
+ " CHANGESET_ID INTEGER,"//
+ " ID INTEGER AUTO_INCREMENT NOT NULL,"//
+ " REPOSITORY_ID INTEGER,"//
+ " CONSTRAINT fk_ao_e8b6cc_repo_to_changeset_repository_id FOREIGN KEY (REPOSITORY_ID) REFERENCES AO_E8B6CC_REPOSITORY_MAPPING(ID),"//
+ " CONSTRAINT fk_ao_e8b6cc_repo_to_changeset_changeset_id FOREIGN KEY (CHANGESET_ID) REFERENCES AO_E8B6CC_CHANGESET_MAPPING(ID),"//
+ " PRIMARY KEY(ID)"//
+ ") ENGINE=InnoDB"; //
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLStatement stmt = parser.parseCreateTable();
MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
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());
Assert.assertEquals(3, visitor.getTables().size());
Assert.assertEquals(5, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("AO_E8B6CC_REPO_TO_CHANGESET")));
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("CREATE TABLE AO_E8B6CC_REPO_TO_CHANGESET ("//
+ "\n\tCHANGESET_ID INTEGER, "//
+ "\n\tID INTEGER AUTO_INCREMENT NOT NULL, "//
+ "\n\tREPOSITORY_ID INTEGER, "//
+ "\n\tCONSTRAINT fk_ao_e8b6cc_repo_to_changeset_repository_id FOREIGN KEY (ID) REFERENCES AO_E8B6CC_REPOSITORY_MAPPING (ID), "//
+ "\n\tCONSTRAINT fk_ao_e8b6cc_repo_to_changeset_changeset_id FOREIGN KEY (ID) REFERENCES AO_E8B6CC_CHANGESET_MAPPING (ID), "//
+ "\n\tPRIAMRY KEY (ID)"//
+ "\n) ENGINE = InnoDB",//
output);
}
}
@@ -0,0 +1,66 @@
/*
* 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.oracle;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import com.alibaba.druid.sql.test.TestUtils;
public class OracleSelectTest49 extends OracleTest {
public void test_0() throws Exception {
String sql = //
"select * from tab1 t " //
+ " order by replace(to_char(t.SORTNUM), '0', '9') "; //
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
print(statementList);
Assert.assertEquals(1, statementList.size());
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
stmt.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println("relationships : " + visitor.getRelationships());
System.out.println("orderBy : " + visitor.getOrderByColumns());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(2, visitor.getColumns().size());
String text = TestUtils.outputOracle(stmt);
Assert.assertEquals("SELECT *" //
+ "\nFROM tab1 t" //
+ "\nORDER BY replace(to_char(t.SORTNUM), '0', '9');"
+ "\n", text);
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("acduser.vw_acd_info", "xzqh")));
// Assert.assertTrue(visitor.getOrderByColumns().contains(new TableStat.Column("employees", "last_name")));
}
}