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Experimental change to "SELECT * FROM ... ORDER BY" processing to load some

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column values from the db after sorting.

FossilOrigin-Name: 9719cb46bbf501ce80f185159d594f593dd0b2639b9ef5a71a6c7b70046cb08d
This commit is contained in:
dan
2018-04-14 18:46:20 +00:00
parent 54f2cd905b
commit 24e25d32ce
6 changed files with 268 additions and 21 deletions
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50
test/sorterref.test Normal file
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# 2018 April 14.
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix sorterref
do_execsql_test 1.0 {
CREATE TABLE t1(a, b, c);
INSERT INTO t1 VALUES(1, 2, 3);
INSERT INTO t1 VALUES(4, 5, 6);
ALTER TABLE t1 ADD COLUMN d DEFAULT 'string';
INSERT INTO t1 VALUES(7, 8, 9, 'text');
}
do_execsql_test 1.1 {
SELECT * FROM t1 ORDER BY b;
} {
1 2 3 string 4 5 6 string 7 8 9 text
}
do_execsql_test 2.0 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a, b);
CREATE TABLE t2(c, d, PRIMARY KEY(c)) WITHOUT ROWID;
INSERT INTO t1 VALUES(1, 2);
INSERT INTO t1 VALUES(2, 3);
INSERT INTO t1 VALUES(3, 4);
INSERT INTO t2 VALUES(1, 'one');
INSERT INTO t2 VALUES(3, 'three');
}
do_execsql_test 2.1 {
SELECT * FROM t1 LEFT JOIN t2 ON (a=c) ORDER BY b;
} {1 2 1 one 2 3 {} {} 3 4 3 three}
finish_test