upgrader

func Insert ¶

func Insert(ctx context.Context, db dal.RDB, tableName string, row interface{}, idField string, uniqueKeys []string) error

Insert insert the row to db if it doesn't exist, else do nothing row is the data to insert idField used to be field name of generated instance id uniqueKeys used to judge whether the row exist in db

func Int64Compare ¶

func Int64Compare(val1, val2 int64) int

func RegistUpgrader ¶

func RegistUpgrader(version string, handlerFunc func(context.Context, dal.RDB, *Config) error)

RegistUpgrader register upgrader

func RegisterUpgraderWithRedis ¶

func RegisterUpgraderWithRedis(version string, handlerFunc func(context.Context, dal.RDB, *redis.Client, *Config) error)

RegisterUpgraderWithRedis register upgrader with redis

func StringCompare ¶

func StringCompare(s1, s2 string) int

func Upgrade ¶

func Upgrade(ctx context.Context, db dal.RDB, cache *redis.Client, conf *Config) (currentVersion string, finishedMigrations []string, err error)

Upgrade upgrade the db data to newest version we use date instead of version later since 2018.09.04, because the version wasn't manage by the developer ps: when use date instead of version, the date should add x prefix cause x > v

func UpgradeConfigAdmin ¶

func UpgradeConfigAdmin(ctx context.Context, db dal.RDB) error

UpgradeConfigAdmin 升级配置管理 每次升级变更配置，需要在configChangeHistory最后追加一项要变更的配置 将configChangeHistory里的最后一项作为当前配置项curCfg，倒数第二项作为上一次配置项preCfg 需要将preCfg和db存在的配置dbCfg进行对比，对于不一致的（说明有用户调过配置管理接口做过更改）,curCfg里对应的配置不做覆盖，仍为db里的数据

func Upsert ¶

func Upsert(ctx context.Context, db dal.RDB, tableName string, row interface{}, idField string, uniqueKeys []string, ignores []string) (instID uint64, preData map[string]interface{}, err error)

Upsert inset row but update it without ignores key if exists same value with keys

func V36VersionCmp ¶

func V36VersionCmp(version1, version2 string) int

func ValidateMigrationVersionFormat ¶

func ValidateMigrationVersionFormat(version string) error

func VersionCmp ¶

func VersionCmp(version1, version2 string) int