*: Run TestCompareReservedWordsWithMySQL in CI (#48859)

ref #48856

build/image/README.md

@@ -1,7 +1,10 @@
 ## CI Image
 
-Here is the Dockerfile for the CI image.
+Here are the Dockerfiles for the CI images.
 
 - ```base``` is the base image with golang, development tools and so on.
 - ```centos7_jenkins``` is the production image with CI environment tool in tidb repo. it is based on ```base```.
 - ```.ci_bazel``` is the global default bazel config. it tell bazel where to get cache.
+- ```parser_test``` is the image for running parser tests that require MySQL 8.x.
+
+Note that `parser_test` requires `CAP_SYS_NICE` to run. Either use `docker --cap-add=sys_nice` or add `SYS_NICE` to the capabilities under the `securityContext` when using Kubernetes.

build/image/parser_test

@@ -0,0 +1,30 @@
+# Copyright 2024 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.
+
+FROM rockylinux:9
+
+ENV GOLANG_VERSION 1.21.6
+ENV ARCH amd64
+ENV GOLANG_DOWNLOAD_URL https://dl.google.com/go/go$GOLANG_VERSION.linux-$ARCH.tar.gz
+ENV GOPATH /home/prow/go
+ENV GOROOT /usr/local/go
+ENV PATH $GOPATH/bin:$GOROOT/bin:$PATH
+
+ADD run.sh /bin
+RUN chmod 700 /bin/run.sh
+RUN dnf update -y
+RUN dnf install -y git mysql-server
+RUN curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \
+	&& tar -C /usr/local -xzf golang.tar.gz \
+	&& rm golang.tar.gz