improve sqlserver parser: insert and select_apply

2023-03-04 19:17:16 +00:00 · 2014-09-22 16:24:09 +08:00
parent 4ae4bbfd0b
commit 85a988355d
6 changed files with 239 additions and 16 deletions
@@ -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));
+    }
+
+}
@@ -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);
+    }
+}
@@ -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);
+    }
+}