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Code Issues Releases Wiki Activity

improve sqlserver parser: insert and select_apply

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This commit is contained in:
Yako
2014-09-22 16:24:09 +08:00
parent 4ae4bbfd0b
commit 85a988355d
6 changed files with 239 additions and 16 deletions
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src/main/java/com/alibaba/druid/sql/ast/statement/SQLJoinTableSource.java
+6 -2
View File
@@ -113,8 +113,12 @@ public class SQLJoinTableSource extends SQLTableSourceImpl {
CROSS_JOIN("CROSS JOIN"), //
NATURAL_JOIN("NATURAL JOIN"), //
NATURAL_INNER_JOIN("NATURAL INNER JOIN"), //
LEFT_OUTER_JOIN("LEFT JOIN"), RIGHT_OUTER_JOIN("RIGHT JOIN"), FULL_OUTER_JOIN("FULL JOIN"),
STRAIGHT_JOIN("STRAIGHT_JOIN");
LEFT_OUTER_JOIN("LEFT JOIN"), //
RIGHT_OUTER_JOIN("RIGHT JOIN"), //
FULL_OUTER_JOIN("FULL JOIN"),//
STRAIGHT_JOIN("STRAIGHT_JOIN"), //
OUTER_APPLY("OUTER APPLY"),//
CROSS_APPLY("CROSS APPLY");
public final String name;
src/main/java/com/alibaba/druid/sql/dialect/sqlserver/parser/SQLServerStatementParser.java
+11 -11
View File
@@ -96,20 +96,20 @@ public class SQLServerStatementParser extends SQLStatementParser {
if (lexer.token() == Token.INTO) {
lexer.nextToken();
}
SQLName tableName = this.exprParser.name();
insertStatement.setTableName(tableName);
SQLName tableName = this.exprParser.name();
insertStatement.setTableName(tableName);
if (lexer.token() == Token.LITERAL_ALIAS) {
insertStatement.setAlias(as());
}
if (lexer.token() == Token.LITERAL_ALIAS) {
insertStatement.setAlias(as());
}
parseInsert0_hinits(insertStatement);
parseInsert0_hinits(insertStatement);
if (lexer.token() == Token.IDENTIFIER) {
insertStatement.setAlias(lexer.stringVal());
lexer.nextToken();
}
if (lexer.token() == Token.IDENTIFIER) {
insertStatement.setAlias(lexer.stringVal());
lexer.nextToken();
}
if (lexer.token() == (Token.LPAREN)) {
src/main/java/com/alibaba/druid/sql/parser/SQLSelectParser.java
+14 -3
View File
@@ -363,7 +363,7 @@ public class SQLSelectParser extends SQLParser {
protected SQLTableSource parseTableSourceRest(SQLTableSource tableSource) {
if ((tableSource.getAlias() == null) || (tableSource.getAlias().length() == 0)) {
if (lexer.token() != Token.LEFT && lexer.token() != Token.RIGHT && lexer.token() != Token.FULL
&& !identifierEquals("STRAIGHT_JOIN") && !identifierEquals("CROSS")) {
&& !identifierEquals("STRAIGHT_JOIN") && !identifierEquals("CROSS") && lexer.token != Token.OUTER) {
String alias = as();
if (alias != null) {
tableSource.setAlias(alias);
@@ -411,8 +411,19 @@ public class SQLSelectParser extends SQLParser {
joinType = SQLJoinTableSource.JoinType.STRAIGHT_JOIN;
} else if (identifierEquals("CROSS")) {
lexer.nextToken();
accept(Token.JOIN);
joinType = SQLJoinTableSource.JoinType.CROSS_JOIN;
if (lexer.token() == Token.JOIN) {
lexer.nextToken();
joinType = SQLJoinTableSource.JoinType.CROSS_JOIN;
} else if (identifierEquals("APPLY")) {
lexer.nextToken();
joinType = SQLJoinTableSource.JoinType.CROSS_APPLY;
}
} else if (lexer.token() == Token.OUTER) {
lexer.nextToken();
if (identifierEquals("APPLY")) {
lexer.nextToken();
joinType = SQLJoinTableSource.JoinType.OUTER_APPLY;
}
}
if (joinType != null) {
src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerInsertTest6.java
+58
View File
@@ -0,0 +1,58 @@
/*
* 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.bvt.sql.sqlserver;
import java.util.List;
import junit.framework.TestCase;
import org.junit.Assert;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.sqlserver.ast.stmt.SQLServerInsertStatement;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerSchemaStatVisitor;
public class SQLServerInsertTest6 extends TestCase {
public void test() throws Exception {
String sql = "INSERT [dbo].[SurveyAnswer]([CustomerId], [QuestionId], [OptionId], [CreateTime], [LastUpdateTime]) VALUES (@0, @1, @2, @3, @4)";
SQLServerStatementParser parser = new SQLServerStatementParser(sql);
parser.setParseCompleteValues(false);
parser.setParseValuesSize(3);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
SQLServerInsertStatement insertStmt = (SQLServerInsertStatement) stmt;
Assert.assertEquals(1, insertStmt.getValuesList().size());
Assert.assertEquals(5, insertStmt.getValues().getValues().size());
Assert.assertEquals(5, insertStmt.getColumns().size());
Assert.assertEquals(1, statementList.size());
SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
stmt.accept(visitor);
String formatSql = "INSERT INTO [dbo].[SurveyAnswer]"//
+ "\n\t([CustomerId], [QuestionId], [OptionId], [CreateTime], [LastUpdateTime])"//
+ "\nVALUES" //
+ "\n(@0, @1, @2, @3, @4)";
Assert.assertEquals(formatSql, SQLUtils.toSQLServerString(insertStmt));
}
}
src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerSelectTest_cross_apply.java
+75
View File
@@ -0,0 +1,75 @@
/*
* 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.bvt.sql.sqlserver;
import java.util.List;
import junit.framework.TestCase;
import org.junit.Assert;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.statement.SQLSelect;
import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.druid.sql.dialect.sqlserver.ast.SQLServerSelectQueryBlock;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerSchemaStatVisitor;
import com.alibaba.druid.util.JdbcUtils;
public class SQLServerSelectTest_cross_apply extends TestCase {
public void test_0() throws Exception {
String sql = "SELECT DeptID, DeptName, DeptMgrID, EmpID, EmpLastName, EmpSalary FROM Departments d CROSS APPLY dbo.GetReports(d.DeptMgrID)";
SQLServerStatementParser parser = new SQLServerStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
SQLSelectStatement selectStmt = (SQLSelectStatement) stmt;
SQLSelect select = selectStmt.getSelect();
Assert.assertNotNull(select.getQuery());
SQLServerSelectQueryBlock queryBlock = (SQLServerSelectQueryBlock) select.getQuery();
Assert.assertNull(queryBlock.getGroupBy());
String fomatSQL = SQLUtils.toSQLString(statementList, JdbcUtils.SQL_SERVER);
System.out.println(fomatSQL);
Assert.assertEquals(1, statementList.size());
SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
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(1, visitor.getTables().size());
Assert.assertEquals(7, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
Assert.assertEquals(0, visitor.getOrderByColumns().size());
String expected = "SELECT DeptID, DeptName, DeptMgrID, EmpID, EmpLastName"//
+ "\n\t, EmpSalary"//
+ "\nFROM Departments d" //
+ "\n\tCROSS APPLY dbo.GetReports(d.DeptMgrID)";
Assert.assertEquals(expected, fomatSQL);
}
}
src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerSelectTest_outer_apply.java
+75
View File
@@ -0,0 +1,75 @@
/*
* 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.bvt.sql.sqlserver;
import java.util.List;
import junit.framework.TestCase;
import org.junit.Assert;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.statement.SQLSelect;
import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.druid.sql.dialect.sqlserver.ast.SQLServerSelectQueryBlock;
import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerSchemaStatVisitor;
import com.alibaba.druid.util.JdbcUtils;
public class SQLServerSelectTest_outer_apply extends TestCase {
public void test_0() throws Exception {
String sql = "SELECT DeptID, DeptName, DeptMgrID, EmpID, EmpLastName, EmpSalary FROM Departments d OUTER APPLY dbo.GetReports(d.DeptMgrID)";
SQLServerStatementParser parser = new SQLServerStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
SQLSelectStatement selectStmt = (SQLSelectStatement) stmt;
SQLSelect select = selectStmt.getSelect();
Assert.assertNotNull(select.getQuery());
SQLServerSelectQueryBlock queryBlock = (SQLServerSelectQueryBlock) select.getQuery();
Assert.assertNull(queryBlock.getGroupBy());
String fomatSQL = SQLUtils.toSQLString(statementList, JdbcUtils.SQL_SERVER);
System.out.println(fomatSQL);
Assert.assertEquals(1, statementList.size());
SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
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(1, visitor.getTables().size());
Assert.assertEquals(7, visitor.getColumns().size());
Assert.assertEquals(0, visitor.getConditions().size());
Assert.assertEquals(0, visitor.getOrderByColumns().size());
String expected = "SELECT DeptID, DeptName, DeptMgrID, EmpID, EmpLastName"//
+ "\n\t, EmpSalary"//
+ "\nFROM Departments d" //
+ "\n\tOUTER APPLY dbo.GetReports(d.DeptMgrID)";
Assert.assertEquals(expected, fomatSQL);
}
}