Sorry, I made a typo. The windows should be ORDER BY ROWID, not ORDER BY ID.
Jen On Mon, Feb 10, 2020 at 09:19:59AM -0700, Jen Pollock wrote: > I think the following works: > > SELECT s.ID 'ID', s.Date Date, Systolic, Diastolic > FROM > (SELECT ID, ENTRY_DATE Date, NUMERIC_VALUE Systolic, row_number() OVER > id_date r > FROM pressure > WHERE TERM = 'Systolic' > WINDOW id_date AS (PARTITION BY ID, ENTRY_DATE ORDER BY ID) > ) s > JOIN > (SELECT ID, ENTRY_DATE Date, NUMERIC_VALUE Diastolic, row_number() OVER > id_date r > FROM pressure > WHERE TERM = 'Diastolic' > WINDOW id_date AS (PARTITION BY ID, ENTRY_DATE ORDER BY ID) > ) d > ON s.ID = d.ID AND s.Date = d.Date AND s.r = d.r > ORDER BY s.ID, s.Date; > > You will need a fairly recent version of SQLite, older versions don't > have window functions. And I have assumed that there is a Diastolic > value for every Systolic value and vice versa. > > Jen > > On Mon, Feb 10, 2020 at 12:24:33AM +0000, Bart Smissaert wrote: > > ID ENTRY_DATE TERM NUMERIC_VALUE ROWID > > ---------------------------------------------------------------- > > 1308 15/Mar/2013 Systolic 127 701559 > > 1308 15/Mar/2013 Diastolic 81 701568 > > 1308 27/Jun/2013 Systolic 132 701562 > > 1308 27/Jun/2013 Systolic 141 701563 > > 1308 27/Jun/2013 Systolic 143 701564 > > 1308 27/Jun/2013 Diastolic 82 701571 > > 1308 27/Jun/2013 Diastolic 85 701572 > > 1308 27/Jun/2013 Diastolic 94 701573 > > 278975701 08/Mar/2018 Systolic 136 1583551 > > 278975701 08/Mar/2018 Diastolic 99 1583591 > > 278975701 04/Apr/2018 Systolic 119 1583552 > > 278975701 04/Apr/2018 Systolic 124 1583553 > > 278975701 04/Apr/2018 Systolic 130 1583554 > > 278975701 04/Apr/2018 Diastolic 74 1583592 > > 278975701 04/Apr/2018 Diastolic 75 1583593 > > 278975701 04/Apr/2018 Diastolic 85 1583594 > > > > These are systolic and diastolic blood pressures for 2 people with the ID's > > 1308 and 278975701, ordered by ID asc, ENTRY_DATE asc, ROWID asc. > > Systolic and diastolic values are a pair and should be grouped in one row. > > This is no problem if there is only one pair for one date, but sometimes > > there multiple pairs per date. > > The pairing should be based on the rowed if there are multiple pairs by > > date, so for ID 1308 > > I should get: > > > > 127/81 > > 132/82 > > 141/85 > > 143/94 > > > > What should be the SQL to group like this? > > > > RBS > > _______________________________________________ > > sqlite-users mailing list > > sqlite-users@mailinglists.sqlite.org > > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
