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21 Commits

Author SHA1 Message Date
drh
9245c243b7 Disallow empty GROUP BY clauses. Ticket #2431. (CVS 4099) 
FossilOrigin-Name: 9581e7a4a4d74b08ce5380b49862957c804e46bb
 2007-06-20 12:18:31 +00:00
drh
945498f3f2 Make sure that integer values are converted to real when pulled from 
a REAL table column by GROUP BY.  Ticket #2251.  Also make sure default
values are correctly expanded.  There may be other places in the code
where this issue comes up - we need to look further. (CVS 3659)

FossilOrigin-Name: e11bbf174c5a2fa75e3d1dd450c8b2a18f40e4da
 2007-02-24 11:52:52 +00:00
drh
18e87cff0a Allow constant terms in the ORDER BY or GROUP BY clauses. Ticket #1768. (CVS 3173) 
FossilOrigin-Name: d83e0230c0c4909cb035e266beffc0967526d9c1
 2006-04-11 14:16:21 +00:00
drh
8a51256c0c Create separate affinities for INTEGER and REAL. (CVS 2766) 
FossilOrigin-Name: ce06c123d0c5663dbaf263c2e0aaf5d9cdeb2ccd
 2005-11-14 22:29:05 +00:00
drh
8df447f0e6 Omit the SQLITE_AFF_INTEGER type affinity. All numeric values are now 
of type real, though an integer representation is still sometimes used
internally for efficiency. (CVS 2753)

FossilOrigin-Name: e0d6f61c7de2c03b8fd17ef37cf1a0add36ee618
 2005-11-01 15:48:24 +00:00
drh
c2bd913a40 SUM returns NULL when it has no inputs. Ticket #1413. (CVS 2678) 
FossilOrigin-Name: 6281859425d39c11d82875301fefafad1f08416d
 2005-09-08 20:37:43 +00:00
drh
97571957a1 Aggregates with GROUP BY can sometimes return no result rows. (CVS 2674) 
FossilOrigin-Name: 0c3e368d4766685b94a44f2c514e2dea806c297c
 2005-09-08 12:57:28 +00:00
drh
3d1d95e625 The SUM() aggregate function returns an integer result if all inputs are 
integers.  Any single non-integer input causes the result to be a floating
point value. (CVS 2669)

FossilOrigin-Name: 21adf4bd99e732650a1e8e9a1cc954126983a654
 2005-09-08 10:37:01 +00:00
drh
495c09a49a Make the ORDER BY clause return equal elements in the same order they were 
seen (a stable sort).  It was returning them in exactly the reverse order. (CVS 2439)

FossilOrigin-Name: e8391491a68018406e30c2a699a4cab9e0de092c
 2005-04-01 10:47:40 +00:00
drh
92febd92ad Tcl interface transfers values directly between SQLite and Tcl_Objs, without 
at translation to strings. (CVS 1898)

FossilOrigin-Name: e97c331362545ce21117776c7b61d3488668f2bf
 2004-08-20 18:34:20 +00:00
danielk1977
ce2663ccc8 Have the vdbe aggregator use a btree table instead of a hash table. (CVS 1569) 
FossilOrigin-Name: 8d56118f64dbaf8c8006266fa7026f900a4a16bd
 2004-06-11 13:19:21 +00:00
drh
5f3b4ab53c Remove the COPY command. (CVS 1477) 
FossilOrigin-Name: 287f86731c71401dbac098e08357367b4f8e5a43
 2004-05-27 17:22:54 +00:00
drh
736c22b803 Most sorting problems are fixed. Dead code has been removed. 3 test failures 
remain but will be fixed by the new function API once it gets implemented. (CVS 1425)

FossilOrigin-Name: 3b55095e036d68886d007239333bbf90acd15692
 2004-05-21 02:14:24 +00:00
drh
88eee38afd Allow double-quoted strings as string constants in the IN operator. As a 
side-efffect, allow the GROUP BY clause to refer to columns by their integer
column number.  Ticket #237. (CVS 856)

FossilOrigin-Name: 187d9c405891e543fc706f8ddb41f3966a842214
 2003-01-31 17:16:36 +00:00
drh
c66c5a266b Allow an aggregate function in the HAVING clause even if no aggregates appear 
in the result set.  Ticket #187. (CVS 793)

FossilOrigin-Name: 33c6fd6b3dc271fa1f2d4500b4f76c736accefce
 2002-12-03 02:34:49 +00:00
drh
68d2e5918a Fix for ticket #131: When a SELECT contains a GROUP BY clause it cannot 
use an index for sorting.  It has to sort as a separate operation after
the GROUP BY is complete. (CVS 702)

FossilOrigin-Name: 18745c67acdf7ebec378f5538174117970e9f5cc
 2002-08-04 00:52:38 +00:00
drh
9208643d2a Constant ORDER BY or GROUP BY expressions are an error. (CVS 352) 
FossilOrigin-Name: 035984a5b00b4a1a6505405f40b15c7695283c0a
 2002-01-22 14:11:29 +00:00
drh
a2e00042a1 The right-hand side of an AS in a SELECT can be used within expressions of 
the WHERE, ORDER BY, GROUP BY, and/or HAVING clauses. (CVS 350)

FossilOrigin-Name: 3684beab0f8a71ebdf453871bbde7a9ab1f65385
 2002-01-22 03:13:42 +00:00
drh
b19a2bc603 Disclaimed copyright. Preparing for release 2.0. (CVS 250) 
FossilOrigin-Name: 4e926efe2b59adfec4086eb1d2ba830238facb4c
 2001-09-16 00:13:26 +00:00
drh
4cfa793437 :-) (CVS 81) 
FossilOrigin-Name: 61c381e7e6c85619b7b494417956fc209c5b7b84
 2000-06-08 15:10:46 +00:00
drh
da93281e8d :-) (CVS 59) 
FossilOrigin-Name: a8fa6719d55b43f8d194aecfcae5af42d17742af
 2000-06-06 18:00:15 +00:00