On 02/21/2018 01:33 PM, Alexander Farber wrote: > Hi Martin - > > On Wed, Feb 21, 2018 at 1:26 PM, Martin Moore <martin.moore@xxxxxxxxxxx > <mailto:martin.moore@xxxxxxxxxxx>> wrote: > > I’m no expert but I’d think it unlikely an index would be considered > for a table with only 100 rows in. Also I’m pretty sure only one > index per table is used, so you’d want to put state1 and state2 in > one index. > > > I hope to have more records in the words_games table later when my game > is launched (currently in soft launch/beta)..... > I do strongly recommend generating a representative amount of data as part of testing, and making sure all the indexes are there before going live. Otherwise you'll be playing whack-a-mole over a long period of time, depending on how fast the individual tables grow. Either setup a script that generates data through the application, or generate synthetic data in some other way. regards -- Tomas Vondra http://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
