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go-sql-driver / mysql

Go MySQL Driver is a MySQL driver for Go's (golang) database/sql package
https://pkg.go.dev/github.com/go-sql-driver/mysql
Mozilla Public License 2.0
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remove unnecessary logs #1599

Closed methane closed 2 months ago

methane commented 3 months ago

Description

Logging ErrInvalidConn when the connection already closed doesn't provide any help to users.

Additonally, database/sql now uses Validator() to check connection liveness before calling query methods. So stop using mc.log(ErrInvalidConn) idiom.

This PR includes some cleanup and documentation relating to mc.markBadConn().

Checklist

Summary by CodeRabbit

This update aims to streamline error management for a more efficient and cleaner user experience.

coderabbitai[bot] commented 3 months ago

Walkthrough

The changes primarily involve refining the way mysqlConn handles connection errors in various methods, ensuring that driver.ErrBadConn is returned more appropriately. Additional logging has been minimized to reduce redundancy. Interface implementations for driver.SessionResetter and driver.Validator have been explicitly declared. These updates improve code clarity and error-handling efficiency.

Changes

Files Change Summaries
connection.go Refactored error handling to conditionally return driver.ErrBadConn and removed redundant logging. Declared driver.SessionResetter and driver.Validator interfaces.
errors.go Updated a comment for clarity regarding handling connection errors.
statement.go Removed redundant error logging in CheckNamedValue and query functions.

Possibly related issues

Poem

In the world of code where bytes do dance, We tweaked our logic, seized the chance. Connections now more wisely marked, Errors less noisy, brightly sparked! Interfaces set, our mission clear, To make MySQL's path sincere. 🐇✨

[!WARNING]

Review ran into problems

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coveralls commented 3 months ago

Coverage Status

coverage: 82.507% (+0.1%) from 82.368% when pulling 90bafd2f3a6a64aa687e5c1e7afb75dda5647824 on methane:remove-logs into 87443b94dfd43b6cab62182a30c0e7d9759bc18d on go-sql-driver:master.