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Add method to clear DB cache #4

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Add method to clear DB cache #4

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11 changes: 11 additions & 0 deletions sqlutils/sqlutils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -144,6 +144,17 @@ func GetDB(mysql_uri string) (*sql.DB, bool, error) {
return knownDBs[mysql_uri], exists, nil
}

// Resets the knownDBs cache, used when the DB connections have been closed,
// and new connections are needed to access the DB
func ResetDBCache() {
knownDBsMutex.Lock()
defer func() {
knownDBsMutex.Unlock()
}()

knownDBs = make(map[string]*sql.DB)
}

// RowToArray is a convenience function, typically not called directly, which maps a
// single read database row into a NullString
func RowToArray(rows *sql.Rows, columns []string) []CellData {
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