Re: [sqlite] Functions and index

2011-06-28 Thread hilaner
On 2011-06-27 17:34 Simon Davies wrote: > select julianday( ( select max( day_date ) from days ) ); Of course I tried this, but with a single bracket I got a syntax error. With double bracket it works. Thanks! Adam ___

Re: [sqlite] Functions and index

2011-06-27 Thread Simon Davies
On 27 June 2011 16:16, hilaner wrote: > I have hundred thousands of records in this table: > > CREATE TABLE days ( >        day_id INTEGER NOT NULL PRIMARY KEY, >        day_date DATE > ); > > CREATE INDEX day_i ON days (day_date ASC); > > And then if I run such query: > >

[sqlite] Functions and index

2011-06-27 Thread hilaner
I have hundred thousands of records in this table: CREATE TABLE days ( day_id INTEGER NOT NULL PRIMARY KEY, day_date DATE ); CREATE INDEX day_i ON days (day_date ASC); And then if I run such query: EXPLAIN QUERY PLAN SELECT JULIANDAY(MAX(day_date)) FROM days; 0|0|0|SCAN TABLE