50 lines
955 B
Plaintext
50 lines
955 B
Plaintext
|
# 2024 March 20
|
||
|
#
|
||
|
# 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 eqp2
|
||
|
|
||
|
do_execsql_test 1.0 {
|
||
|
CREATE TABLE t1(a, b, c, d);
|
||
|
CREATE INDEX i1 ON t1(a, b, c);
|
||
|
}
|
||
|
|
||
|
do_eqp_test 1.1 {
|
||
|
SELECT * FROM t1 ORDER BY a, b, c
|
||
|
} {
|
||
|
QUERY PLAN
|
||
|
`--SCAN t1 USING INDEX i1
|
||
|
}
|
||
|
|
||
|
|
||
|
do_eqp_test 1.2 {
|
||
|
SELECT * FROM t1 ORDER BY a, b, +c
|
||
|
} {
|
||
|
QUERY PLAN
|
||
|
|--SCAN t1 USING INDEX i1
|
||
|
`--USE TEMP B-TREE FOR LAST TERM OF ORDER BY
|
||
|
}
|
||
|
|
||
|
do_eqp_test 1.3 {
|
||
|
SELECT * FROM t1 ORDER BY a, +b, +c
|
||
|
} {
|
||
|
QUERY PLAN
|
||
|
|--SCAN t1 USING INDEX i1
|
||
|
`--USE TEMP B-TREE FOR LAST 2 TERMS OF ORDER BY
|
||
|
}
|
||
|
|
||
|
finish_test
|
||
|
|
||
|
|