Hi, Roberto! On May 26, Roberto Spadim wrote: > maybe include at extra "estimative rows count" > just to understand what happened
Row count in the EXPLAIN output is *always* an estimation, there is no need to specify it explicitly because it is always the case. > > I suppose you've seen the answer in the bug report. But just for the > > sake of completeness I repeat it here. > > > > CONNECT does not read rows several times. But in the CSV file format, > > rows can have different lengths and CONNECT cannot directly know how > > many rows your table has. So, it *estimates* the number of rows by > > dividing the file length by the minimal row length (which it can > > calculate from the table definition). Regards, Sergei _______________________________________________ Mailing list: https://launchpad.net/~maria-discuss Post to : maria-discuss@lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-discuss More help : https://help.launchpad.net/ListHelp
