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Code Issues Releases Wiki Activity

improve ddl parser

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This commit is contained in:
wenshao
2013-03-22 01:30:27 +08:00
parent dd266f70cf
commit cc2e9793fa
15 changed files with 306 additions and 4 deletions
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src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlAlterTableTest5.java
+2 -2
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@@ -28,7 +28,7 @@ import com.alibaba.druid.stat.TableStat.Column;
public class MySqlAlterTableTest5 extends TestCase {
public void test_alter_first() throws Exception {
String sql = "ALTER TABLE table_name change COLUMN column_name char(50)";
String sql = "ALTER TABLE table_name change COLUMN column_name column_newname char(50)";
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLStatement stmt = parser.parseStatementList().get(0);
parser.match(Token.EOF);
@@ -43,7 +43,7 @@ public class MySqlAlterTableTest5 extends TestCase {
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("ALTER TABLE table_name" + //
"\n\tCHANGE COLUMN column_name char(50)", output);
"\n\tCHANGE COLUMN column_name column_newname char(50)", output);
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(1, visitor.getColumns().size());
src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlCreateTableTest8.java
+70
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@@ -0,0 +1,70 @@
/*
* 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 junit.framework.Assert;
import com.alibaba.druid.sql.MysqlTest;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlCreateTableStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.stat.TableStat.Column;
public class MySqlCreateTableTest8 extends MysqlTest {
public void test_0() throws Exception {
String sql = "CREATE TABLE Persons\n" + //
"(\n" + //
"Id_P int NOT NULL,\n" + //
"LastName varchar(255) NOT NULL,\n" + //
"FirstName varchar(255),\n" + //
"Address varchar(255),\n" + //
"City varchar(255),\n" + //
"CHECK (Id_P>0)\n" + //
")";
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
MySqlCreateTableStatement stmt = (MySqlCreateTableStatement) statementList.get(0);
print(statementList);
Assert.assertEquals(1, statementList.size());
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(1, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("Persons")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Persons", "Id_P")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Persons", "LastName")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Persons", "FirstName")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Persons", "Address")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Persons", "City")));
}
}
src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlCreateTableTest9.java
+64
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@@ -0,0 +1,64 @@
/*
* 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 junit.framework.Assert;
import com.alibaba.druid.sql.MysqlTest;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlCreateTableStatement;
import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.stat.TableStat.Column;
public class MySqlCreateTableTest9 extends MysqlTest {
public void test_0() throws Exception {
String sql = "CREATE VIEW view AS\n" + //
"SELECT ProductID,ProductName\n" + //
"FROM Products\n" + //
"WHERE Discontinued=No";
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
MySqlCreateTableStatement stmt = (MySqlCreateTableStatement) statementList.get(0);
print(statementList);
Assert.assertEquals(1, statementList.size());
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(4, visitor.getColumns().size());
Assert.assertEquals(2, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("Products")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "ProductID")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "ProductName")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "Discontinued")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "No")));
}
}
src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerCreateTableTest.java
+63
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@@ -0,0 +1,63 @@
/*
* 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.sqlserver;
import java.util.List;
import junit.framework.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.statement.SQLCreateViewStatement;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerSchemaStatVisitor;
import com.alibaba.druid.stat.TableStat;
import com.alibaba.druid.stat.TableStat.Column;
public class SQLServerCreateTableTest extends TestCase {
public void test_0() throws Exception {
String sql = "CREATE VIEW [Current Product List] AS\n" + //
"SELECT ProductID,ProductName\n" + //
"FROM Products\n" + //
"WHERE Discontinued=No";
SQLServerStatementParser parser = new SQLServerStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLCreateViewStatement stmt = (SQLCreateViewStatement) statementList.get(0);
Assert.assertEquals(1, statementList.size());
SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
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(4, visitor.getColumns().size());
Assert.assertEquals(2, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("Products")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "ProductID")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "ProductName")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "Discontinued")));
Assert.assertTrue(visitor.getColumns().contains(new Column("Products", "No")));
}
}