[GitHub] [incubator-dolphinscheduler] Rubik-W commented on a change in pull request #2879: Feature data lineage (table) #249

[GitBox <gi...@apache.org>]

Rubik-W commented on a change in pull request #2879:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/2879#discussion_r434969759



##########
File path: dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/SqlUtils.java
##########
@@ -0,0 +1,204 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.dolphinscheduler.common.utils;
+
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.dolphinscheduler.common.enums.DbType;
+import org.datanucleus.store.rdbms.exceptions.UnsupportedDataTypeException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+import com.alibaba.druid.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
+import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
+import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerSchemaStatVisitor;
+import com.alibaba.druid.sql.parser.Token;
+import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+
+
+public class SqlUtils {
+
+    public static final Logger logger = LoggerFactory.getLogger(SqlUtils.class);
+
+    /**
+     * 解析sql语句select from表名
+     *
+     * @param dbType database type
+     * @param sql select sql
+     * @return table List
+     * @throws UnsupportedDataTypeException
+     */
+    public static List<String> resolveSqlSelectTables(DbType dbType, String sql) throws SQLException {
+        return resolveSqlTables(dbType, sql).get(Token.SELECT);
+    }
+
+    /**
+     * 解析sql语句insert表名
+     *
+     * @param dbType database type
+     * @param sql select sql
+     * @return table List
+     * @throws UnsupportedDataTypeException
+     */
+    public static List<String> resolveSqlInsertTables(DbType dbType, String sql) throws SQLException {
+        return resolveSqlTables(dbType, sql).get(Token.INSERT);
+    }
+
+    /**
+     * 解析sql语句update表名
+     *
+     * @param dbType database type
+     * @param sql select sql
+     * @return table List
+     * @throws UnsupportedDataTypeException
+     */
+    public static List<String> resolveSqlUpdateTables(DbType dbType, String sql) throws SQLException {
+        return resolveSqlTables(dbType, sql).get(Token.UPDATE);
+    }
+
+    /**
+     * 解析sql语句delete表名
+     *

Review comment:
       fixed




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