mysql parser improved, support alter table add constraint primary key

2023-03-04 19:17:16 +00:00 · 2013-03-28 21:38:54 +08:00
parent 0612b4d3da
commit 2b6e4bac08
4 changed files with 167 additions and 31 deletions
@@ -0,0 +1,39 @@
+/*
+ * 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.mysql;
+
+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.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.parser.Token;
+
+public class MySqlAlterTableAddPrimaryKey_1 extends TestCase {
+
+    public void test_alter_first() throws Exception {
+        String sql = "alter table tabelname add constraint  mYconstraint primary key(id)";
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        SQLStatement stmt = parser.parseStatementList().get(0);
+        parser.match(Token.EOF);
+        String output = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("ALTER TABLE tabelname" + //
+                            "\n\tADD CONSTRAINT mYconstraint PRIAMRY KEY (id)", output);
+    }
+
+}
@@ -0,0 +1,81 @@
+/*
+ * 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.oracle;
+
+import java.util.List;
+
+import junit.framework.Assert;
+
+import com.alibaba.druid.sql.OracleTest;
+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 com.alibaba.druid.stat.TableStat;
+
+public class OracleSelectTest41 extends OracleTest {
+
+    public void test_0() throws Exception {
+        String sql = //
+        "WITH RESULTVIEW AS" + //
+                " (" + //
+                "  SELECT" + //
+                "   AA.USERID," + //
+                "    DECODE(AA.USERTYPE," + //
+                "           '1'," + //
+                "           (SELECT ORG_TABLE.ORGNAME" + //
+                "              FROM ORG_TABLE" + //
+                "             WHERE ORG_TABLE.ORGID = AA.BELONGORG)," + //
+                "           '2'," + //
+                "           (SELECT CUST_TABLE.CUSTOMERNAME" + //
+                "              FROM CUST_TABLE" + //
+                "             WHERE CUST_TABLE.CUSTOMERID = AA.BELONGORG)) ORGNAME" + //
+                "    FROM AA" + //
+                "    LEFT JOIN AAPWD" + //
+                "      ON AA.USERID = AAPWD.USERID" + //
+                "   WHERE AA.BELONGORG IN" + //
+                "         (1,2,3)" + //
+                "   ORDER BY AA.USERID DESC" + //
+                "  )" + //
+                "SELECT *" + //
+                "  FROM (SELECT RESULTVIEW.*, ROWNUM AS RESULTNUMS FROM RESULTVIEW)" + //
+                " WHERE RESULTNUMS > 1" + //
+                "   AND RESULTNUMS <= 10"; //
+
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement statemen = statementList.get(0);
+        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
+        statemen.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());
+
+        Assert.assertEquals(4, visitor.getTables().size());
+
+        Assert.assertEquals(9, visitor.getColumns().size());
+
+        // Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("acduser.vw_acd_info", "xzqh")));
+
+        // Assert.assertTrue(visitor.getOrderByColumns().contains(new TableStat.Column("employees", "last_name")));
+    }
+}