improved sqlbuilder

This commit is contained in:
wenshao
2015-06-08 00:08:32 +08:00
parent 602128674b
commit aabce10550
3 changed files with 34 additions and 30 deletions
@@ -15,9 +15,39 @@
*/
package com.alibaba.druid.sql.builder.impl;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.expr.SQLBooleanExpr;
import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
import com.alibaba.druid.sql.ast.expr.SQLNullExpr;
import com.alibaba.druid.sql.ast.expr.SQLNumberExpr;
import com.alibaba.druid.sql.builder.SQLBuilder;
import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlBooleanExpr;
import com.alibaba.druid.util.JdbcConstants;
public class SQLBuilderImpl implements SQLBuilder {
protected SQLExpr toSQLExpr(Object obj, String dbType) {
if (obj == null) {
return new SQLNullExpr();
}
if (obj instanceof Integer) {
return new SQLIntegerExpr((Integer) obj);
}
if (obj instanceof Number) {
return new SQLNumberExpr((Number) obj);
}
if (obj instanceof String) {
return new SQLCharExpr((String) obj);
}
if (obj instanceof Boolean) {
return new SQLBooleanExpr((Boolean) obj);
}
throw new IllegalArgumentException("not support : " + obj.getClass().getName());
}
}
@@ -1,25 +0,0 @@
/*
* 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.sql.dialect.mysql.ast.expr;
import com.alibaba.druid.sql.ast.expr.SQLBooleanExpr;
import com.alibaba.druid.sql.ast.expr.SQLLiteralExpr;
public class MySqlBooleanExpr extends SQLBooleanExpr implements MySqlExpr, SQLLiteralExpr {
}
@@ -23,7 +23,6 @@ import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.ast.SQLObject;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
import com.alibaba.druid.sql.ast.expr.SQLListExpr;
import com.alibaba.druid.sql.ast.expr.SQLQueryExpr;
import com.alibaba.druid.sql.ast.expr.SQLVariantRefExpr;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableAddColumn;
@@ -36,6 +35,9 @@ import com.alibaba.druid.sql.ast.statement.SQLAlterTableDropColumnItem;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableDropConstraint;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableEnableConstraint;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableEnableKeys;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableItem;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableRename;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableRenameColumn;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableStatement;
import com.alibaba.druid.sql.ast.statement.SQLAssignItem;
import com.alibaba.druid.sql.ast.statement.SQLCallStatement;
@@ -49,9 +51,6 @@ import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement;
import com.alibaba.druid.sql.ast.statement.SQLCreateTriggerStatement;
import com.alibaba.druid.sql.ast.statement.SQLCreateTriggerStatement.TriggerEvent;
import com.alibaba.druid.sql.ast.statement.SQLCreateTriggerStatement.TriggerType;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableItem;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableRename;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableRenameColumn;
import com.alibaba.druid.sql.ast.statement.SQLCreateViewStatement;
import com.alibaba.druid.sql.ast.statement.SQLDeleteStatement;
import com.alibaba.druid.sql.ast.statement.SQLDropDatabaseStatement;