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update README.md, fix
make test, add circle.yml (pingcap#23)
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| y.go | ||
| *.output | ||
| .idea/ | ||
| go.mod | ||
| go.sum | ||
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| # parser | ||
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| TiDB SQL Parser | ||
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| ## How to update parser for TiDB | ||
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| Assuming that you want to file a PR (pull request) to TiDB, and your PR includes a change in the parser, follow these steps to update the parser in TiDB. | ||
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| ### Step 1: Make changes in your parser repository | ||
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| Fork this repository to your own account and commit the changes to your repository. | ||
| > **Note:** | ||
| > | ||
| > - Don't forget to run `make test` before you commit! | ||
| > - Make sure `parser.go` is updated. | ||
| Suppose the forked repository is `https://github.com/your-repo/parser`. | ||
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| ### Step 2: Make your parser changes take effect in TiDB and run CI | ||
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| 1. In your TiDB repository, modify the `go.mod` file, remove `github.com/pingcap/parser` from the `require` instruction, and add a new line at the end of the file like this: | ||
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| ``` | ||
| replace github.com/pingcap/parser => github.com/your-repo/parser v0.0.0-20181102150703-4acd198f5092 | ||
| ``` | ||
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| This change tells TiDB to use the modified parser from your repository. | ||
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| 2. You can get correct version information by running this command in your TiDB directory: | ||
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| ``` | ||
| GO111MODULE=on go get -u github.com/your-repo/parser@master | ||
| ``` | ||
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| If some error is reported, you can ignore it and still edit the `go.mod` file manually. | ||
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| 3. File a PR to TiDB. | ||
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| ### Step 3: Merge the PR about the parser to this repository | ||
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| File a PR to this repository. **Link the related PR in TiDB in your PR description or comment.** | ||
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| This PR will be reviewed, and if everything goes well, it will be merged. | ||
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| ### Step 4: Update TiDB to use the latest parser | ||
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| In your TiDB pull request, modify the `go.mod` file manually or use this command: | ||
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| ``` | ||
| GO111MODULE=on go get -u github.com/pingcap/parser@master | ||
| ``` | ||
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| Make sure the `replace` instruction is changed back to the `require` instruction and the version is the latest. |
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| version: 2 | ||
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| jobs: | ||
| build: | ||
| docker: | ||
| - image: golang:1.11 | ||
| working_directory: /go/src/github.com/pingcap/parser | ||
| steps: | ||
| - checkout | ||
| - run: | ||
| name: "Build & Test" | ||
| command: make test |
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