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test/eqp2.test

47 строк955 B

dan

Change EXPLAIN QUERY PLAN output to say "USE TEMP B-TREE FOR LAST TERM OF ORDER BY", or "LAST N TERMS OF ORDER BY", instead of "RIGHT PART OF ORDER BY".

20 мар 2024, 19:27

20 мар 2024, 19:27e555bd4

# 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