go-sql-driver / mysql / 14675550227

83%

Build Type

push

github

Committed by web-flow

Commit Message

MariaDB Metadata skipping and DEPRECATE_EOF (#1708)

[MariaDB metadata skipping](https://mariadb.com/kb/en/mariadb-protocol-differences-with-mysql/#prepare-statement-skipping-metadata).

With this change, MariaDB server won't send metadata when they have not changed, saving client parsing metadata and network.

This feature rely on these changes:
* extended capabilities support 
* EOF packet deprecation makes current implementation to be revised

A benchmark BenchmarkReceiveMetadata has been added to show the difference.

Run Details

155 of 194 new or added lines in 5 files covered. (79.9%)

6 existing lines in 2 files now uncovered.

3303 of 4008 relevant lines covered (82.41%)

2391188.0 hits per line