Memo and blob field values are not stored in the record buffer but fetched on demand, so they can not be used as index fields here
Source position: msebufdataset.pas line 1568
published property tmsebufdataset.indexlocal : tlocalindexes |
Memo and blob field values are not stored in the record buffer but fetched on demand, so they can not be used as index fields here — do any needed type conversion (e.g. to a fixed-length string) in the SQL select statement instead.