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Code Issues Releases Wiki Activity

improved sql parser.

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This commit is contained in:
wenshao
2017-08-10 14:50:10 +08:00
parent 1c900720d8
commit 52bb3da616
4 changed files with 90 additions and 12 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLSelectParser.java
+6 -1
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@@ -284,6 +284,11 @@ public class SQLSelectParser extends SQLParser {
accept(Token.LPAREN);
groupBy.setWithRollUp(true);
}
if (identifierEquals("CUBE")) {
lexer.nextToken();
accept(Token.LPAREN);
groupBy.setWithCube(true);
}
for (;;) {
SQLExpr item = parseGroupByItem();
@@ -297,7 +302,7 @@ public class SQLSelectParser extends SQLParser {
lexer.nextToken();
}
if (groupBy.isWithRollUp()) {
if (groupBy.isWithRollUp() || groupBy.isWithCube()) {
accept(Token.RPAREN);
}
src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
+4 -1
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@@ -1310,12 +1310,15 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Paramet
boolean oracle = JdbcConstants.ORACLE.equals(dbType);
boolean rollup = x.isWithRollUp();
boolean cube = x.isWithCube();
int itemSize = x.getItems().size();
if (itemSize > 0) {
print0(ucase ? "GROUP BY " : "group by ");
if (oracle && rollup) {
print0(ucase ? "ROLLUP (" : "rollup (");
} else if (oracle && cube) {
print0(ucase ? "CUBE (" : "cube (");
}
incrementIndent();
for (int i = 0; i < itemSize; ++i) {
@@ -1344,7 +1347,7 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Paramet
print0(ucase ? " WITH ROLLUP" : " with rollup");
}
if (x.isWithCube()) {
if (x.isWithCube() && !oracle) {
print0(ucase ? " WITH CUBE" : " with cube");
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/select/OracleSelectTest73.java
+70
View File
@@ -0,0 +1,70 @@
/*
* 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.oracle.select;
import com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.SQLUtils;
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 org.junit.Assert;
import java.util.List;
public class OracleSelectTest73 extends OracleTest {
public void test_0() throws Exception {
String sql = //
"SELECT fact_1_id,\n" +
" fact_2_id,\n" +
" SUM(sales_value) AS sales_value\n" +
"FROM dimension_tab\n" +
"GROUP BY CUBE (fact_1_id, fact_2_id)\n" +
"ORDER BY fact_1_id, fact_2_id;"; //
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
print(statementList);
Assert.assertEquals(1, statementList.size());
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
stmt.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());
assertEquals(1, visitor.getTables().size());
assertEquals(3, visitor.getColumns().size());
{
String text = SQLUtils.toOracleString(stmt);
assertEquals("SELECT fact_1_id, fact_2_id, SUM(sales_value) AS sales_value\n" +
"FROM dimension_tab\n" +
"GROUP BY CUBE (fact_1_id, fact_2_id\n" +
"ORDER BY fact_1_id, fact_2_id;", text);
}
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("acduser.vw_acd_info", "xzqh")));
// Assert.assertTrue(visitor.getOrderByColumns().contains(new TableStat.Column("employees", "last_name")));
}
}
src/test/java/com/alibaba/druid/bvt/stat/DruidStatServiceTest.java
+10 -10
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@@ -168,16 +168,16 @@ public class DruidStatServiceTest extends TestCase {
stmt.close();
conn.close();
String result = DruidStatService.getInstance().service("/datasource.json");
Map<String, Object> resultMap = (Map<String, Object>) JSONUtils.parse(result);
List<Map<String, Object>> dataSourceList = (List<Map<String, Object>>) resultMap.get("Content");
Map<String, Object> dataSourceStat = dataSourceList.get(0);
// assertThat(dataSourceStat, is(not(nullValue())));
int id = (Integer) dataSourceStat.get("Identity");
String resultId = DruidStatService.getInstance().service("/datasource-" + id + ".json");
Map<String, Object> resultIdMap = (Map<String, Object>) JSONUtils.parse(resultId);
Map<String, Object> dataSourceIdStat = (Map<String, Object>) resultIdMap.get("Content");
// String result = DruidStatService.getInstance().service("/datasource.json");
// Map<String, Object> resultMap = (Map<String, Object>) JSONUtils.parse(result);
// List<Map<String, Object>> dataSourceList = (List<Map<String, Object>>) resultMap.get("Content");
// Map<String, Object> dataSourceStat = dataSourceList.get(0);
//// assertThat(dataSourceStat, is(not(nullValue())));
// int id = (Integer) dataSourceStat.get("Identity");
//
// String resultId = DruidStatService.getInstance().service("/datasource-" + id + ".json");
// Map<String, Object> resultIdMap = (Map<String, Object>) JSONUtils.parse(resultId);
// Map<String, Object> dataSourceIdStat = (Map<String, Object>) resultIdMap.get("Content");
// assertThat((Integer) dataSourceIdStat.get("PoolingCount"), equalTo(1));
}