Only the indexes that involve a 'touched' field. And even then it's just a small update.
-- Alan Bourke alanpbourke (at) fastmail (dot) fm On Wed, 24 Jan 2018, at 6:29 PM, [email protected] wrote: > Question for you legends of the Fox (data): > > Say Table1 has "X" number of indexes. Program code does something like > the following: > > IF Condition1 THEN > REPLACE Field1 with SomeValue in Table1 > ENDIF > > IF Condition2 THEN > REPLACE Field48 with Datetime() in Table1 > ENDIF > > Are each of the "X" indexes updated for each replace, even if those > indexes do not include any reference to Field1 or Field48, or only > indexes that are affected by the data value change? > > I understand that ADDing and DELETEing records updated all indexes; I > would think the UPDATEs--regardless of what fields updated--would cause > index updates for every indexed field on every update as well. > > tia, > --Michael > [excessive quoting removed by server] _______________________________________________ Post Messages to: [email protected] Subscription Maintenance: http://mail.leafe.com/mailman/listinfo/profox OT-free version of this list: http://mail.leafe.com/mailman/listinfo/profoxtech Searchable Archive: http://leafe.com/archives/search/profox This message: http://leafe.com/archives/byMID/profox/1516822508.1275799.1246932120.5664a...@webmail.messagingengine.com ** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.
