fix: 'database is locked' on querying sqlite

qianbin · qianbin · commit 0a0ff615464c · 2019-02-12T13:20:36.000+08:00
diff --git a/logdb/logdb.go b/logdb/logdb.go
@@ -34,6 +34,10 @@ func New(path string) (logDB *LogDB, err error) {
 			db.Close()
 		}
 	}()
+
+	// to avoid 'database is locked' error
+	db.SetMaxOpenConns(1)
+
 	if _, err := db.Exec(eventTableSchema + transferTableSchema); err != nil {
 		return nil, err
 	}

Original file line number	Diff line number	Diff line change
`@@ -34,6 +34,10 @@ func New(path string) (logDB *LogDB, err error) {`
`34`	`34`	`db.Close()`
`35`	`35`	`}`
`36`	`36`	`}()`
	`37`	`+`
	`38`	`+ // to avoid 'database is locked' error`
	`39`	`+ db.SetMaxOpenConns(1)`
	`40`	`+`
`37`	`41`	`if _, err := db.Exec(eventTableSchema + transferTableSchema); err != nil {`
`38`	`42`	`return nil, err`
`39`	`43`	`}`