package store

// databaseWallTimeUTC normalizes DATETIME values written by CURRENT_TIMESTAMP.
// The database session can use UTC or Beijing time independently of the Go process.
// Do not use it for fields explicitly written as UTC by application code.
func databaseWallTimeUTC(column string) string {
	return `DATE_FORMAT(TIMESTAMPADD(SECOND,TIMESTAMPDIFF(SECOND,NOW(),UTC_TIMESTAMP()),` + column + `),'%Y-%m-%dT%H:%i:%sZ')`
}