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Code Issues Releases Wiki Activity

improved sql parser. for issue #1985

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wenshao
2017-09-19 14:56:27 +08:00
parent b96a71401c
commit 3c33e36403
2 changed files with 125 additions and 1 deletions
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src/main/java/com/alibaba/druid/sql/parser/Lexer.java
+1 -1
View File
@@ -1117,7 +1117,7 @@ public class Lexer {
}
if (i > 0) {
char ch_last = charAt(i - 1);
if (ch_last == '"' || ch_last == '\'') {
if (ch_last == '\'') {
hasSpecial = true;
continue;
}
src/test/java/com/alibaba/druid/bvt/sql/mysql/select/MySqlSelectTest_63_alias.java
+124
View File
@@ -0,0 +1,124 @@
/*
* Copyright 1999-2017 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.select;
import com.alibaba.druid.sql.MysqlTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.parser.SQLParserFeature;
import com.alibaba.druid.sql.parser.SQLParserUtils;
import com.alibaba.druid.sql.parser.SQLStatementParser;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
import com.alibaba.druid.util.JdbcConstants;
import java.util.List;
public class MySqlSelectTest_63_alias extends MysqlTest {
public void test_0() throws Exception {
String sql = " SELECT totalNumber, concat(\"\",? , round(memberNumber, 0) , \"\") AS totalDisplay FROM (\n" +
"SELECT count(1) AS totalNumber, SUM(memberNumber) AS memberNumber FROM(\n" +
"SELECT mmd.office_id AS departID,st.no AS staffNO,st.name AS staffName,COUNT(mmd.id) memberNumber FROM ms_member_def mmd\n" +
"LEFT JOIN sys_user st ON mmd.salesman_id=st.id AND st.del_flag='0'\n" +
"WHERE mmd.create_date BETWEEN (?) AND DATE_ADD((?),INTERVAL '23:59:59' HOUR_SECOND) AND mmd.del_flag='0'\n" +
"AND ('' IN (?) OR st.no IN (?))\n" +
"AND ('' IN (?) OR mmd.office_id IN (?))\n" +
"GROUP BY mmd.office_id,st.no\n" +
") gg\n" +
")temp";
System.out.println(sql);
SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, JdbcConstants.MYSQL, SQLParserFeature.OptimizedForParameterized);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
assertEquals(1, statementList.size());
SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.MYSQL);
stmt.accept(visitor);
{
String output = SQLUtils.toMySqlString(stmt);
assertEquals("SELECT totalNumber\n" +
"\t, concat(\"\", ?, round(memberNumber, 0), \"\") AS totalDisplay\n" +
"FROM (\n" +
"\tSELECT COUNT(1) AS totalNumber, SUM(memberNumber) AS memberNumber\n" +
"\tFROM (\n" +
"\t\tSELECT mmd.office_id AS departID, st.no AS staffNO, st.name AS staffName, COUNT(mmd.id) AS memberNumber\n" +
"\t\tFROM ms_member_def mmd\n" +
"\t\t\tLEFT JOIN sys_user st\n" +
"\t\t\tON mmd.salesman_id = st.id\n" +
"\t\t\t\tAND st.del_flag = '0'\n" +
"\t\tWHERE mmd.create_date BETWEEN ? AND DATE_ADD(?, INTERVAL '23:59:59' HOUR_SECOND)\n" +
"\t\t\tAND mmd.del_flag = '0'\n" +
"\t\t\tAND ('' IN (?)\n" +
"\t\t\t\tOR st.no IN (?))\n" +
"\t\t\tAND ('' IN (?)\n" +
"\t\t\t\tOR mmd.office_id IN (?))\n" +
"\t\tGROUP BY mmd.office_id, st.no\n" +
"\t) gg\n" +
") temp", //
output);
}
{
String output = SQLUtils.toMySqlString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
assertEquals("select totalNumber\n" +
"\t, concat(\"\", ?, round(memberNumber, 0), \"\") as totalDisplay\n" +
"from (\n" +
"\tselect count(1) as totalNumber, sum(memberNumber) as memberNumber\n" +
"\tfrom (\n" +
"\t\tselect mmd.office_id as departID, st.no as staffNO, st.name as staffName, count(mmd.id) as memberNumber\n" +
"\t\tfrom ms_member_def mmd\n" +
"\t\t\tleft join sys_user st\n" +
"\t\t\ton mmd.salesman_id = st.id\n" +
"\t\t\t\tand st.del_flag = '0'\n" +
"\t\twhere mmd.create_date between ? and DATE_ADD(?, interval '23:59:59' hour_second)\n" +
"\t\t\tand mmd.del_flag = '0'\n" +
"\t\t\tand ('' in (?)\n" +
"\t\t\t\tor st.no in (?))\n" +
"\t\t\tand ('' in (?)\n" +
"\t\t\t\tor mmd.office_id in (?))\n" +
"\t\tgroup by mmd.office_id, st.no\n" +
"\t) gg\n" +
") temp", //
output);
}
{
String output = SQLUtils.toMySqlString(stmt, new SQLUtils.FormatOption(true, true, true));
assertEquals("SELECT totalNumber\n" +
"\t, concat(\"\", ?, round(memberNumber, ?), \"\") AS totalDisplay\n" +
"FROM (\n" +
"\tSELECT COUNT(1) AS totalNumber, SUM(memberNumber) AS memberNumber\n" +
"\tFROM (\n" +
"\t\tSELECT mmd.office_id AS departID, st.no AS staffNO, st.name AS staffName, COUNT(mmd.id) AS memberNumber\n" +
"\t\tFROM ms_member_def mmd\n" +
"\t\t\tLEFT JOIN sys_user st\n" +
"\t\t\tON mmd.salesman_id = st.id\n" +
"\t\t\t\tAND st.del_flag = ?\n" +
"\t\tWHERE mmd.create_date BETWEEN ? AND DATE_ADD(?, INTERVAL ? HOUR_SECOND)\n" +
"\t\t\tAND mmd.del_flag = ?\n" +
"\t\t\tAND (? IN (?)\n" +
"\t\t\t\tOR st.no IN (?))\n" +
"\t\t\tAND (? IN (?)\n" +
"\t\t\t\tOR mmd.office_id IN (?))\n" +
"\t\tGROUP BY mmd.office_id, st.no\n" +
"\t) gg\n" +
") temp", //
output);
}
}
}