mysql parser improved, support alter table add constraint primary key

This commit is contained in:
wenshao
2013-03-28 21:38:54 +08:00
parent 0612b4d3da
commit 2b6e4bac08
4 changed files with 167 additions and 31 deletions
@@ -146,35 +146,35 @@ import com.alibaba.druid.sql.parser.Token;
public class MySqlStatementParser extends SQLStatementParser {
private static final String AUTO_INCREMENT = "AUTO_INCREMENT";
private static final String COLLATE2 = "COLLATE";
private static final String CASCADE = "CASCADE";
private static final String RESTRICT = "RESTRICT";
private static final String CHAIN = "CHAIN";
private static final String ENGINES = "ENGINES";
private static final String ENGINE = "ENGINE";
private static final String BINLOG = "BINLOG";
private static final String EVENTS = "EVENTS";
private static final String CHARACTER = "CHARACTER";
private static final String SESSION = "SESSION";
private static final String GLOBAL = "GLOBAL";
private static final String VARIABLES = "VARIABLES";
private static final String ERRORS = "ERRORS";
private static final String STATUS = "STATUS";
private static final String IGNORE = "IGNORE";
private static final String RESET = "RESET";
private static final String DESCRIBE = "DESCRIBE";
private static final String DESC = "DESC";
private static final String WRITE = "WRITE";
private static final String READ = "READ";
private static final String LOCAL = "LOCAL";
private static final String TABLES = "TABLES";
private static final String TEMPORARY = "TEMPORARY";
private static final String USER = "USER";
private static final String SPATIAL = "SPATIAL";
private static final String FULLTEXT = "FULLTEXT";
private static final String REPLACE = "REPLACE";
private static final String DELAYED = "DELAYED";
private static final String LOW_PRIORITY = "LOW_PRIORITY";
private static final String COLLATE2 = "COLLATE";
private static final String CASCADE = "CASCADE";
private static final String RESTRICT = "RESTRICT";
private static final String CHAIN = "CHAIN";
private static final String ENGINES = "ENGINES";
private static final String ENGINE = "ENGINE";
private static final String BINLOG = "BINLOG";
private static final String EVENTS = "EVENTS";
private static final String CHARACTER = "CHARACTER";
private static final String SESSION = "SESSION";
private static final String GLOBAL = "GLOBAL";
private static final String VARIABLES = "VARIABLES";
private static final String ERRORS = "ERRORS";
private static final String STATUS = "STATUS";
private static final String IGNORE = "IGNORE";
private static final String RESET = "RESET";
private static final String DESCRIBE = "DESCRIBE";
private static final String DESC = "DESC";
private static final String WRITE = "WRITE";
private static final String READ = "READ";
private static final String LOCAL = "LOCAL";
private static final String TABLES = "TABLES";
private static final String TEMPORARY = "TEMPORARY";
private static final String USER = "USER";
private static final String SPATIAL = "SPATIAL";
private static final String FULLTEXT = "FULLTEXT";
private static final String REPLACE = "REPLACE";
private static final String DELAYED = "DELAYED";
private static final String LOW_PRIORITY = "LOW_PRIORITY";
public MySqlStatementParser(String sql){
super(new MySqlExprParser(sql));
@@ -2236,7 +2236,23 @@ public class MySqlStatementParser extends SQLStatementParser {
} else if (lexer.token() == Token.KEY) {
throw new ParserException("TODO " + lexer.token() + " " + lexer.stringVal());
} else if (lexer.token() == Token.CONSTRAINT) {
throw new ParserException("TODO " + lexer.token() + " " + lexer.stringVal());
int mark = lexer.bp();
char markChar = lexer.current();
lexer.nextToken();
SQLName constraintName = this.exprParser.name();
if (lexer.token() == Token.PRIMARY) {
SQLPrimaryKey primaryKey = ((MySqlExprParser) this.exprParser).parsePrimaryKey();
primaryKey.setName(constraintName);
SQLAlterTableAddPrimaryKey item = new SQLAlterTableAddPrimaryKey();
item.setPrimaryKey(primaryKey);
stmt.getItems().add(item);
} else {
throw new ParserException("TODO " + lexer.token() + " " + lexer.stringVal());
}
} else if (identifierEquals(FULLTEXT)) {
throw new ParserException("TODO " + lexer.token() + " " + lexer.stringVal());
} else if (identifierEquals(SPATIAL)) {
@@ -490,7 +490,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
public boolean visit(MySqlPrimaryKey x) {
if (x.getName() != null) {
print("CONSTRAINT ");
x.accept(this);
x.getName().accept(this);
print(' ');
}
@@ -0,0 +1,39 @@
/*
* 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 junit.framework.TestCase;
import org.junit.Assert;
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.parser.Token;
public class MySqlAlterTableAddPrimaryKey_1 extends TestCase {
public void test_alter_first() throws Exception {
String sql = "alter table tabelname add constraint mYconstraint primary key(id)";
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLStatement stmt = parser.parseStatementList().get(0);
parser.match(Token.EOF);
String output = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("ALTER TABLE tabelname" + //
"\n\tADD CONSTRAINT mYconstraint PRIAMRY KEY (id)", output);
}
}
@@ -0,0 +1,81 @@
/*
* 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 junit.framework.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.stat.TableStat;
public class OracleSelectTest41 extends OracleTest {
public void test_0() throws Exception {
String sql = //
"WITH RESULTVIEW AS" + //
" (" + //
" SELECT" + //
" AA.USERID," + //
" DECODE(AA.USERTYPE," + //
" '1'," + //
" (SELECT ORG_TABLE.ORGNAME" + //
" FROM ORG_TABLE" + //
" WHERE ORG_TABLE.ORGID = AA.BELONGORG)," + //
" '2'," + //
" (SELECT CUST_TABLE.CUSTOMERNAME" + //
" FROM CUST_TABLE" + //
" WHERE CUST_TABLE.CUSTOMERID = AA.BELONGORG)) ORGNAME" + //
" FROM AA" + //
" LEFT JOIN AAPWD" + //
" ON AA.USERID = AAPWD.USERID" + //
" WHERE AA.BELONGORG IN" + //
" (1,2,3)" + //
" ORDER BY AA.USERID DESC" + //
" )" + //
"SELECT *" + //
" FROM (SELECT RESULTVIEW.*, ROWNUM AS RESULTNUMS FROM RESULTVIEW)" + //
" WHERE RESULTNUMS > 1" + //
" AND RESULTNUMS <= 10"; //
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
print(statementList);
Assert.assertEquals(1, statementList.size());
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
statemen.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(4, visitor.getTables().size());
Assert.assertEquals(9, visitor.getColumns().size());
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("acduser.vw_acd_info", "xzqh")));
// Assert.assertTrue(visitor.getOrderByColumns().contains(new TableStat.Column("employees", "last_name")));
}
}