This is an automated cherry-pick of pingcap#2263

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

.github/workflows/license-check.yml

@@ -0,0 +1,23 @@
+name: License checker
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  check-license:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Check License Header
+        uses: apache/skywalking-eyes@main
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          log: info
+          config: .github/workflows/license-checker-config.yml

.github/workflows/license-checker-config.yml

@@ -0,0 +1,9 @@
+header:
+  license:
+    spdx-id: Apache-2.0
+    copyright-owner: PingCAP, Inc.
+  paths:
+    - '**/*.java'
+    - '**/*.scala'
+    - '**/*.py'
+  comment: on-failure

core/src/main/java/com/pingcap/tikv/columnar/TiColumnVectorAdapter.java

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/java/com/pingcap/tikv/columnar/TiColumnarBatchHelper.java

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/java/com/pingcap/tikv/datatype/TypeMapping.java

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/DefaultSource.scala

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/MetaManager.scala

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/TiConfigConst.scala

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/TiDBRelation.scala

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/TiDBUtils.scala

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/TiPartition.scala

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/TiSparkInfo.scala

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/TiTableReference.scala

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/accumulator/CacheInvalidateAccumulator.scala

@@ -9,6 +9,7 @@
  *
  * 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.
  */

core/src/main/scala/com/pingcap/tispark/auth/MySQLPriv.scala

@@ -0,0 +1,126 @@
+/*
+ * Copyright 2021 PingCAP, Inc.
+ *
+ * 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.pingcap.tispark.auth
+
+import org.apache.spark.sql.catalyst.util.CaseInsensitiveMap
+
+object MySQLPriv extends Enumeration {
+
+  // UsagePriv is a synonym for “no privileges”
+  val UsagePriv,
+      // CreatePriv is the privilege to create schema/table.
+  CreatePriv,
+      // SelectPriv is the privilege to read from table.
+  SelectPriv,
+      // InsertPriv is the privilege to insert data into table.
+  InsertPriv,
+      // UpdatePriv is the privilege to update data in table.
+  UpdatePriv,
+      // DeletePriv is the privilege to delete data from table.
+  DeletePriv,
+      // ShowDBPriv is the privilege to run show databases statement.
+  ShowDBPriv,
+      // SuperPriv enables many operations and server behaviors.
+  SuperPriv,
+      // CreateUserPriv is the privilege to create user.
+  CreateUserPriv,
+      // TriggerPriv is not checked yet.
+  TriggerPriv,
+      // DropPriv is the privilege to drop schema/table.
+  DropPriv,
+      // ProcessPriv pertains to display of information about the threads executing within the server.
+  ProcessPriv,
+      // GrantPriv is the privilege to grant privilege to user.
+  GrantPriv,
+      // ReferencesPriv is not checked yet.
+  ReferencesPriv,
+      // AlterPriv is the privilege to run alter statement.
+  AlterPriv,
+      // ExecutePriv is the privilege to run execute statement.
+  ExecutePriv,
+      // IndexPriv is the privilege to create/drop index.
+  IndexPriv,
+      // CreateViewPriv is the privilege to create view.
+  CreateViewPriv,
+      // ShowViewPriv is the privilege to show create view.
+  ShowViewPriv,
+      // CreateRolePriv the privilege to create a role.
+  CreateRolePriv,
+      // DropRolePriv is the privilege to drop a role.
+  DropRolePriv,
+      // CreateTMPTablePriv is the privilege to create a temporary table.
+  CreateTMPTablePriv, LockTablesPriv, CreateRoutinePriv, AlterRoutinePriv, EventPriv,
+      // ShutdownPriv the privilege to shutdown a server.
+  ShutdownPriv,
+      // ReloadPriv is the privilege to enable the use of the FLUSH statement.
+  ReloadPriv,
+      // FilePriv is the privilege to enable the use of LOAD DATA and SELECT ... INTO OUTFILE.
+  FilePriv,
+      // ConfigPriv is the privilege to enable the use SET CONFIG statements.
+  ConfigPriv,
+      // CreateTablespacePriv is the privilege to create tablespace.
+  CreateTablespacePriv,
+      // ReplicationClientPriv is used in MySQL replication
+  ReplicationClientPriv,
+      // ReplicationSlavePriv is used in MySQL replication
+  ReplicationSlavePriv,
+      // AllPriv is the privilege for all actions.
+  AllPriv, /*
+   *  Please add the new priv before AllPriv to keep the values consistent across versions.
+   */
+
+  // ExtendedPriv is used to successful parse privileges not included above.
+  // these are dynamic privileges in MySQL 8.0 and other extended privileges like LOAD FROM S3 in Aurora.
+  ExtendedPriv = Value
+
+  final val Str2Priv = CaseInsensitiveMap(
+    Map(
+      "CREATE" -> MySQLPriv.CreatePriv,
+      "SELECT" -> MySQLPriv.SelectPriv,
+      "INSERT" -> MySQLPriv.InsertPriv,
+      "UPDATE" -> MySQLPriv.UpdatePriv,
+      "DELETE" -> MySQLPriv.DeletePriv,
+      "SHOW DATABASES" -> MySQLPriv.ShowDBPriv,
+      "SUPER" -> MySQLPriv.SuperPriv,
+      "CREATE USER" -> MySQLPriv.CreateUserPriv,
+      "CREATE TABLESPACE" -> MySQLPriv.CreateTablespacePriv,
+      "TRIGGER" -> MySQLPriv.TriggerPriv,
+      "DROP" -> MySQLPriv.DropPriv,
+      "PROCESS" -> MySQLPriv.ProcessPriv,
+      "GRANT OPTION" -> MySQLPriv.GrantPriv,
+      "REFERENCES" -> MySQLPriv.ReferencesPriv,
+      "ALTER" -> MySQLPriv.AlterPriv,
+      "EXECUTE" -> MySQLPriv.ExecutePriv,
+      "INDEX" -> MySQLPriv.IndexPriv,
+      "CREATE VIEW" -> MySQLPriv.CreateViewPriv,
+      "SHOW VIEW" -> MySQLPriv.ShowViewPriv,
+      "CREATE ROLE" -> MySQLPriv.CreateRolePriv,
+      "DROP ROLE" -> MySQLPriv.DropRolePriv,
+      "CREATE TEMPORARY TABLES" -> MySQLPriv.CreateTMPTablePriv,
+      "LOCK TABLES" -> MySQLPriv.LockTablesPriv,
+      "CREATE ROUTINE" -> MySQLPriv.CreateRoutinePriv,
+      "ALTER ROUTINE" -> MySQLPriv.AlterRoutinePriv,
+      "EVENT" -> MySQLPriv.EventPriv,
+      "SHUTDOWN" -> MySQLPriv.ShutdownPriv,
+      "RELOAD" -> MySQLPriv.ReloadPriv,
+      "FILE" -> MySQLPriv.FilePriv,
+      "CONFIG" -> MySQLPriv.ConfigPriv,
+      "USAGE" -> MySQLPriv.UsagePriv,
+      "REPLICATION CLIENT" -> MySQLPriv.ReplicationClientPriv,
+      "REPLICATION SLAVE" -> MySQLPriv.ReplicationSlavePriv,
+      "ALL PRIVILEGES" -> MySQLPriv.AllPriv))
+}