Use switch statements for readability, simplify .NewGoMySQLReader()
#1135
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timvaillancourt
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switch statements for readabilityswitch statements for readability, simplify .NewGoMySQLReader()
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Jul 6, 2022
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…)` (#1135) * Use `switch` statements for readability * Simplify initBinlogReader()
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…)` (#1135) * Use `switch` statements for readability * Simplify initBinlogReader()
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…)` (github#1135) * Use `switch` statements for readability * Simplify initBinlogReader()
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* Merge pull request github#1143 from github/codeql-run-on-prs Run CodeQL analysis on PRs * Merge pull request github#1141 from shaohk/fix-two-phase-commit-lost-data_v2 fix(lost data in mysql two-phase commit): lost data in mysql two-phas… * compound pk tests (github#387) * compound pk tests * more details in failure diff * more elaborate test; the pk-ts one consistently fails * Fix merge conflict Co-authored-by: Shlomi Noach <[email protected]> Co-authored-by: Tim Vaillancourt <[email protected]> Co-authored-by: Tim Vaillancourt <[email protected]> * Use `switch` statements for readability, simplify `.NewGoMySQLReader()` (github#1135) * Use `switch` statements for readability * Simplify initBinlogReader() * Add context/timeout to HTTP throttle check (github#1131) * Add context/timeout to HTTP throttle check * Dont run `.GetThrottleHTTPInterval()` on every loop * Update help message * Var rename * 2022 * Add timeout flag * Add unix/tcp server commands, use ParseInt() for string->int64 * Var rename * Re-check http timeout on every loop iteration * Remove stale comment * Make throttle interval idempotent * var rename * Usage grammar * Make http timeout idempotent too * Parse time.Duration once * Move timeout to NewThrottler * Help update * Set User-Agent header * Re-add newline Co-authored-by: dm-2 <[email protected]> * Default to `go1.17.11` (github#1136) * Default to go1.17.11 * `go mod vendor` Co-authored-by: dm-2 <[email protected]> * Cancel any row count queries before attempting to cut over (github#846) * Cancel any row count queries before attempting to cut over Closes github#830. Switches from using `QueryRow` to `QueryRowContext`, and stores a context.CancelFunc in the migration context, which is called to halt any running row count query before beginning the cut over. * Make it threadsafe * Kill the count query on the database side as well * Explicitly grab a connection to run the count, store its connection id * When the query context is canceled, run a `KILL QUERY ?` on that connection id * Rewrite these to use the threadsafe functions, stop exporting the cancel func * Update logger * Update logger Co-authored-by: Tim Vaillancourt <[email protected]> Co-authored-by: Tim Vaillancourt <[email protected]> Co-authored-by: dm-2 <[email protected]> Co-authored-by: dm-2 <[email protected]> Co-authored-by: Shlomi Noach <[email protected]> Co-authored-by: Shlomi Noach <[email protected]> Co-authored-by: Tim Vaillancourt <[email protected]> Co-authored-by: Tim Vaillancourt <[email protected]> Co-authored-by: Andrew Mason <[email protected]>
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Description
This PR moves 2 x blocks of code to use
switchstatements for a bit more clarity, as suggested by thegocriticlinter. Also the.NewGoMySQLReader()func ofgo/binlog/gomysql_reader.gowas simplified (unusederrremoved, etc)This change should result in the exact same behaviour as before
Details:
go/binlog/gomysql_reader.goerrreturnswitchfor binlog event type ingo/binlog/gomysql_reader.goswitchon theCutOverTypefield to pick cutover logicscript/cibuildreturns with no formatting errors, build errors or unit test errors