Add context to MysqlDaemon schema functions #6243
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deepthi
approved these changes
May 29, 2020
enisoc
reviewed
May 29, 2020
| func (mysqld *Mysqld) GetColumns(dbName, table string) ([]*querypb.Field, []string, error) { | ||
| conn, err := getPoolReconnect(context.TODO(), mysqld.dbaPool) | ||
| func (mysqld *Mysqld) GetColumns(ctx context.Context, dbName, table string) ([]*querypb.Field, []string, error) { | ||
| conn, err := getPoolReconnect(ctx, mysqld.dbaPool) |
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Note that this only applies the Context to fetching the connection. If you want the actual query to respect Context, you can replace conn.ExecuteFetch() everywhere with mysqld.executeFetchContext().
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hmm...who should be doing that exactly?
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Any method of Mysqld that wants to respect Context should use mysqld.executeFetchContext() as a wrapper around conn.ExecuteFetch() instead of calling it directly.
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FYI, converted PR to draft, to address @enisoc's comments. |
Signed-off-by: Toliver Jue <toliver@planetscale.com>
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@enisoc PTAL |
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Needed to correctly cancel long-running queries where rpc's may disconnect.
Signed-off-by: Toliver Jue toliver@planetscale.com