// Init memory schemas including infoschema and perfshcema.
func newMemSchemaHandle() (*memSchemaHandle, error) {
h := &memSchemaHandle{
nameToTable: make(map[string]table.Table),
}
err := initMemoryTables(h)
if err != nil {
return nil, errors.Trace(err)
}
h.perfHandle, err = perfschema.NewPerfHandle()
if err != nil {
return nil, errors.Trace(err)
}
return h, nil
}
// NewHandle creates a new Handle.
func NewHandle(store kv.Storage) (*Handle, error) {
h := &Handle{
store: store,
}
// init memory tables
var err error
h.perfHandle, err = perfschema.NewPerfHandle()
if err != nil {
return nil, errors.Trace(err)
}
if err != nil {
return nil, errors.Trace(err)
}
return h, nil
}
func initPerfSchema(store kv.Storage) {
perfHandle = perfschema.NewPerfHandle(store)
}