improved oracle sql parser.

2023-03-04 19:17:16 +00:00 · 2017-09-21 22:21:32 +08:00
parent 7268c17624
commit 7868ec487e
1 changed files with 107 additions and 0 deletions
@@ -0,0 +1,107 @@
+/*
+ * 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.insert;
+
+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 com.alibaba.druid.stat.TableStat;
+import com.alibaba.druid.util.JdbcConstants;
+
+import java.util.List;
+
+public class OracleInsertTest22 extends OracleTest {
+
+    public void test_0() throws Exception {
+        String sql = "INSERT INTO MKTG_H_EXEC_RESULT_FACT\n" +
+                "(THE_DATE, AREA_ID, SCENE_ID, MKTG_CNT, MKTG_SUC_CNT\n" +
+                ", TASK_CNT, TASK_F_CNT, TASK_F_SUC_CNT, CON_CNT, CON_SUC_CNT)\n" +
+                "SELECT TRUNC(SYSDATE), T1.AREA_ID\n" +
+                ", RTRIM(TO_CHAR(T2.PID))\n" +
+                ", SUM(T1.MKTG_CNT), SUM(T1.MKTG_SUC_CNT)\n" +
+                ", SUM(T1.TASK_CNT), SUM(T1.TASK_F_CNT)\n" +
+                ", SUM(T1.TASK_F_SUC_CNT), SUM(T1.CON_CNT)\n" +
+                ", SUM(T1.CON_SUC_CNT)\n" +
+                "FROM MKTG_H_EXEC_RESULT_FACT T1, (\n" +
+                "SELECT DISTINCT MKTG_PLAN_LVL1_ID AS PID, MKTG_PLAN_LVL4_ID AS SCENE_ID\n" +
+                "FROM DMN_MKTG_PLAN_TYPE\n" +
+                "UNION ALL\n" +
+                "SELECT DISTINCT MKTG_PLAN_LVL2_ID AS PID, MKTG_PLAN_LVL4_ID AS SCENE_ID\n" +
+                "FROM DMN_MKTG_PLAN_TYPE_TWO\n" +
+                "WHERE MKTG_PLAN_LVL2_ID <> MKTG_PLAN_LVL4_ID\n" +
+                "UNION ALL\n" +
+                "SELECT DISTINCT MKTG_PLAN_LVL3_ID AS PID, MKTG_PLAN_LVL4_ID AS SCENE_ID\n" +
+                "FROM DMN_MKTG_PLAN_TYPE\n" +
+                "WHERE MKTG_PLAN_LVL3_ID <> MKTG_PLAN_LVL4_ID\n" +
+                ") T2\n" +
+                "WHERE T1.THE_DATE = TRUNC(SYSDATE)\n" +
+                "AND T1.SCENE_ID = T2.SCENE_ID\n" +
+                "GROUP BY T1.AREA_ID, RTRIM(TO_CHAR(T2.PID))";
+
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement stmt = statementList.get(0);
+        print(statementList);
+
+        assertEquals(1, statementList.size());
+
+        assertEquals("INSERT INTO MKTG_H_EXEC_RESULT_FACT\n" +
+                        "\t(THE_DATE, AREA_ID, SCENE_ID, MKTG_CNT, MKTG_SUC_CNT\n" +
+                        "\t, TASK_CNT, TASK_F_CNT, TASK_F_SUC_CNT, CON_CNT, CON_SUC_CNT)\n" +
+                        "SELECT TRUNC(SYSDATE), T1.AREA_ID\n" +
+                        "\t, RTRIM(TO_CHAR(T2.PID))\n" +
+                        "\t, SUM(T1.MKTG_CNT), SUM(T1.MKTG_SUC_CNT)\n" +
+                        "\t, SUM(T1.TASK_CNT), SUM(T1.TASK_F_CNT)\n" +
+                        "\t, SUM(T1.TASK_F_SUC_CNT), SUM(T1.CON_CNT)\n" +
+                        "\t, SUM(T1.CON_SUC_CNT)\n" +
+                        "FROM MKTG_H_EXEC_RESULT_FACT T1, (\n" +
+                        "\tSELECT DISTINCT MKTG_PLAN_LVL1_ID AS PID, MKTG_PLAN_LVL4_ID AS SCENE_ID\n" +
+                        "\tFROM DMN_MKTG_PLAN_TYPE\n" +
+                        "\tUNION ALL\n" +
+                        "\tSELECT DISTINCT MKTG_PLAN_LVL2_ID AS PID, MKTG_PLAN_LVL4_ID AS SCENE_ID\n" +
+                        "\tFROM DMN_MKTG_PLAN_TYPE_TWO\n" +
+                        "\tWHERE MKTG_PLAN_LVL2_ID <> MKTG_PLAN_LVL4_ID\n" +
+                        "\tUNION ALL\n" +
+                        "\tSELECT DISTINCT MKTG_PLAN_LVL3_ID AS PID, MKTG_PLAN_LVL4_ID AS SCENE_ID\n" +
+                        "\tFROM DMN_MKTG_PLAN_TYPE\n" +
+                        "\tWHERE MKTG_PLAN_LVL3_ID <> MKTG_PLAN_LVL4_ID\n" +
+                        ") T2\n" +
+                        "WHERE T1.THE_DATE = TRUNC(SYSDATE)\n" +
+                        "\tAND T1.SCENE_ID = T2.SCENE_ID\n" +
+                        "GROUP BY T1.AREA_ID, RTRIM(TO_CHAR(T2.PID))",//
+                            SQLUtils.toSQLString(stmt, JdbcConstants.ORACLE));
+
+        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());
+
+        assertEquals(3, visitor.getTables().size());
+        assertEquals(15, visitor.getColumns().size());
+
+        assertTrue(visitor.containsTable("MKTG_H_EXEC_RESULT_FACT"));
+        assertTrue(visitor.containsTable("DMN_MKTG_PLAN_TYPE"));
+        assertTrue(visitor.containsTable("DMN_MKTG_PLAN_TYPE_TWO"));
+
+         assertTrue(visitor.getColumns().contains(new TableStat.Column("MKTG_H_EXEC_RESULT_FACT", "THE_DATE")));
+    }
+
+}