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Code Issues Releases Wiki Activity

improved sql parser.

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This commit is contained in:
wenshao
2017-06-14 17:17:38 +08:00
parent 2c978ff758
commit 1633a92603
19 changed files with 318 additions and 355 deletions
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src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlSetTest_3.java
+55
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@@ -0,0 +1,55 @@
/*
* 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;
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.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import junit.framework.TestCase;
import org.junit.Assert;
import java.util.List;
public class MySqlSetTest_3 extends TestCase {
public void test_0() throws Exception {
String sql = "SET sql_mode=?,NAMES ?,CHARACTER SET utf8,CHARACTER_SET_RESULTS=utf8,COLLATION_CONNECTION=?";
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> stmtList = parser.parseStatementList();
SQLStatement stmt = stmtList.get(0);
// print(stmtList);
Assert.assertEquals(1, stmtList.size());
MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
// System.out.println("orderBy : " + visitor.getOrderByColumns());
Assert.assertEquals(0, visitor.getTables().size());
Assert.assertEquals(0, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
String text = SQLUtils.toMySqlString(stmt);
Assert.assertEquals("SET sql_mode = ?, NAMES ?, CHARACTER SET utf8, CHARACTER_SET_RESULTS = utf8, COLLATION_CONNECTION = ?", text);
}
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleFlashbackQueryTest2.java
+1 -1
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@@ -31,7 +31,7 @@ public class OracleFlashbackQueryTest2 extends TestCase {
String expect = "SELECT salary\n"
+ "FROM employees\n"
+ "VERSIONS BETWEEN TIMESTAMP SYSTIMESTAMP - INTERVAL '10' MINUTE AND SYSTIMESTAMP - INTERVAL '1' MINUTE\n"
+ "VERSIONS BETWEEN TIMESTAMP (SYSTIMESTAMP - INTERVAL '10' MINUTE) AND SYSTIMESTAMP - INTERVAL '1' MINUTE\n"
+ "WHERE last_name = 'Chung';";
OracleStatementParser parser = new OracleStatementParser(sql);
src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleFlashbackQueryTest4.java
+46
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@@ -0,0 +1,46 @@
/*
* 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;
import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
import com.alibaba.druid.sql.test.TestUtils;
import junit.framework.TestCase;
import org.junit.Assert;
public class OracleFlashbackQueryTest4 extends TestCase {
public void test_isEmpty() throws Exception {
String sql = "SELECT * FROM employees\n" +
"AS OF TIMESTAMP\n" +
"TO_TIMESTAMP('2004-04-04 09:30:00', 'YYYY-MM-DD HH:MI:SS')\n" +
"WHERE last_name = 'Chung';";
String expect = "SELECT *\n" +
"FROM employees\n" +
"AS OF TIMESTAMP TO_TIMESTAMP('2004-04-04 09:30:00', 'YYYY-MM-DD HH:MI:SS')\n" +
"WHERE last_name = 'Chung';";
OracleStatementParser parser = new OracleStatementParser(sql);
SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
String text = TestUtils.outputOracle(stmt);
Assert.assertEquals(expect, text);
System.out.println(text);
}
}
src/test/java/com/alibaba/druid/bvt/sql/oracle/visitor/OracleASTVisitorAdapterTest.java
-7
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@@ -10,9 +10,6 @@ import com.alibaba.druid.sql.dialect.oracle.ast.OracleDataTypeIntervalDay;
import com.alibaba.druid.sql.dialect.oracle.ast.OracleDataTypeIntervalYear;
import com.alibaba.druid.sql.dialect.oracle.ast.OracleDataTypeTimestamp;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.CycleClause;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.FlashbackQueryClause.AsOfFlashbackQueryClause;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.FlashbackQueryClause.AsOfSnapshotClause;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.FlashbackQueryClause.VersionsFlashbackQueryClause;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.ModelClause;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.ModelClause.CellAssignment;
import com.alibaba.druid.sql.dialect.oracle.ast.clause.ModelClause.CellAssignmentItem;
@@ -105,9 +102,6 @@ public class OracleASTVisitorAdapterTest extends TestCase {
new OracleSelectUnPivot().accept(adapter);
new SQLTimestampExpr().accept(adapter);
new PartitionExtensionClause().accept(adapter);
new VersionsFlashbackQueryClause().accept(adapter);
new VersionsFlashbackQueryClause().accept(adapter);
new AsOfFlashbackQueryClause().accept(adapter);
new SQLGroupingSetExpr().accept(adapter);
new OracleWithSubqueryEntry().accept(adapter);
new OracleFileSpecification().accept(adapter);
@@ -188,7 +182,6 @@ public class OracleASTVisitorAdapterTest extends TestCase {
new SQLCommitStatement().accept(adapter);
new OracleAlterTriggerStatement().accept(adapter);
new OracleAlterSynonymStatement().accept(adapter);
new AsOfSnapshotClause().accept(adapter);
new OracleAlterViewStatement().accept(adapter);
new OracleAlterTableMoveTablespace().accept(adapter);
new OracleSizeExpr().accept(adapter);