Commit be7d9acc authored by terrymanu's avatar terrymanu
Browse files

skip top for sqlserver

parent 2fab4395

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/context/limit/Top.java

deleted100755 → 0
+0 −36
Original line number Diff line number Diff line 
/*

 * Copyright 1999-2015 dangdang.com.

 * <p>

 * 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.

 * </p>

 */



package com.dangdang.ddframe.rdb.sharding.parsing.parser.context.limit;



import com.dangdang.ddframe.rdb.sharding.parsing.parser.expression.SQLExpression;

import lombok.Getter;

import lombok.Setter;



/**

 * SQLServer分页对象.

 * 

 * @author zhangliang

 */

@Getter

@Setter

public final class Top implements SQLExpression {

    

    private SQLExpression expr;

    

    private boolean percent;

}

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerDeleteParser.java

+1 −1
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ public final class SQLServerDeleteParser extends AbstractDeleteParser { 
    

    @Override

    protected void skipBetweenDeleteAndTable() {

        ((SQLServerParser) getSqlParser()).parseTop();

        ((SQLServerParser) getSqlParser()).skipTop();

        ((SQLServerParser) getSqlParser()).skipOutput();

        getSqlParser().skipIfEqual(DefaultKeyword.FROM);

    }

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerParser.java

+5 −27
Original line number Diff line number Diff line
@@ -27,7 +27,6 @@ import com.dangdang.ddframe.rdb.sharding.parsing.parser.SQLParser; 
import com.dangdang.ddframe.rdb.sharding.parsing.parser.context.limit.Limit;

import com.dangdang.ddframe.rdb.sharding.parsing.parser.context.limit.OffsetLimit;

import com.dangdang.ddframe.rdb.sharding.parsing.parser.context.limit.RowCountLimit;

import com.dangdang.ddframe.rdb.sharding.parsing.parser.context.limit.Top;

import com.dangdang.ddframe.rdb.sharding.parsing.parser.exception.SQLParsingException;

import com.dangdang.ddframe.rdb.sharding.parsing.parser.exception.SQLParsingUnsupportedException;

import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.select.SelectStatement;
@@ -44,32 +43,11 @@ public final class SQLServerParser extends SQLParser { 
        getLexer().nextToken();

    }

    

    public Top parseTop() {

        // TODO

//        if (getLexer().equalAny(SQLServerKeyword.TOP)) {

//            SQLServerTop top = new SQLServerTop();

//            getLexer().nextToken();

//            

//            boolean paren = false;

//            if (getLexer().equalAny(Symbol.LEFT_PAREN)) {

//                paren = true;

//                getLexer().nextToken();

//            }

//            

//            top.setExpr(primary());

//            

//            if (paren) {

//                getLexer().accept(Symbol.RIGHT_PAREN);

//            }

//            

//            if (getLexer().equalAny(SQLServerKeyword.PERCENT)) {

//                getLexer().nextToken();

//                top.setPercent(true);

//            }

//            

//            return top;

//        }

        return null;

    public void skipTop() {

        if (skipIfEqual(SQLServerKeyword.TOP)) {

            parseExpression();

            skipIfEqual(SQLServerKeyword.PERCENT);

        }

    }

    

    protected void skipOutput() {

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerSelectParser.java

+1 −2
Original line number Diff line number Diff line
@@ -45,8 +45,7 @@ public class SQLServerSelectParser extends AbstractSelectParser { 
        if (getSqlParser().skipIfEqual(DefaultKeyword.SELECT)) {

            parseDistinct();

            if (getSqlParser().equalAny(SQLServerKeyword.TOP)) {

                // TODO save topContext

                ((SQLServerParser) getSqlParser()).parseTop();

                ((SQLServerParser) getSqlParser()).skipTop();

            }

            parseSelectList();

        }

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/parsing/parser/dialect/sqlserver/SQLServerUpdateParser.java

+1 −1
Original line number Diff line number Diff line
@@ -33,6 +33,6 @@ public final class SQLServerUpdateParser extends AbstractUpdateParser { 
    

    @Override

    protected void skipBetweenUpdateAndTable() {

        ((SQLServerParser) getSqlParser()).parseTop();

        ((SQLServerParser) getSqlParser()).skipTop();

    }

}