LBRYCommunity/reflector.go
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retry timed-out queries

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Alex Grintsvayg 2019-06-26 14:36:05 -04:00
parent 970585c75d
commit 6166ff37cf
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1 changed files with 11 additions and 2 deletions
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13
db/db.go
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@ -9,7 +9,8 @@ import (
"github.com/lbryio/lbry.go/extras/errors"
qt "github.com/lbryio/lbry.go/extras/query"
_ "github.com/go-sql-driver/mysql" // blank import for db driver
"github.com/go-sql-driver/mysql"
_ "github.com/go-sql-driver/mysql" // blank import for db driver ensures its imported even if its not used
log "github.com/sirupsen/logrus"
)
@ -415,7 +416,15 @@ func closeRows(rows *sql.Rows) {
func execTx(tx *sql.Tx, query string, args ...interface{}) error {
logQuery(query, args...)
_, err := tx.Exec(query, args...)
attempt, maxAttempts := 0, 3
var err error
Retry:
attempt++
_, err = tx.Exec(query, args...)
if e, ok := err.(*mysql.MySQLError); ok && attempt <= maxAttempts && e.Number == 1205 {
//Error 1205: Lock wait timeout exceeded; try restarting transaction
goto Retry
}
return errors.Err(err)
}