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Remove terms with operator TK_AS from the expression tree. Ticket #2356. (CVS 3991)

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FossilOrigin-Name: 5627ff74be9242418434a06fe5c104d1f9128cab
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drh
2007-05-14 11:34:46 +00:00
parent 84f31128b2
commit 4f07e5fbdf
6 changed files with 57 additions and 47 deletions
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44
test/where.test
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@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is testing the use of indices in WHERE clases.
#
# $Id: where.test,v 1.41 2007/02/06 23:41:34 drh Exp $
# $Id: where.test,v 1.42 2007/05/14 11:34:47 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -62,24 +62,42 @@ proc count sql {
# and Next operators in the VDBE. By verifing that the search count is
# small we can be assured that indices are being used properly.
#
do_test where-1.1 {
count {SELECT x, y FROM t1 WHERE w=10}
} {3 121 3}
do_test where-1.1.1 {
count {SELECT x, y, w FROM t1 WHERE w=10}
} {3 121 10 3}
do_test where-1.1.2 {
set sqlite_query_plan
} {t1 i1w}
do_test where-1.2 {
count {SELECT x, y FROM t1 WHERE w=11}
} {3 144 3}
do_test where-1.3 {
count {SELECT x, y FROM t1 WHERE 11=w}
} {3 144 3}
do_test where-1.4 {
count {SELECT x, y FROM t1 WHERE 11=w AND x>2}
} {3 144 3}
do_test where-1.1.3 {
count {SELECT x, y, w AS abc FROM t1 WHERE abc=10}
} {3 121 10 3}
do_test where-1.1.4 {
set sqlite_query_plan
} {t1 i1w}
do_test where-1.2.1 {
count {SELECT x, y, w FROM t1 WHERE w=11}
} {3 144 11 3}
do_test where-1.2.2 {
count {SELECT x, y, w AS abc FROM t1 WHERE abc=11}
} {3 144 11 3}
do_test where-1.3.1 {
count {SELECT x, y, w AS abc FROM t1 WHERE 11=w}
} {3 144 11 3}
do_test where-1.3.2 {
count {SELECT x, y, w AS abc FROM t1 WHERE 11=abc}
} {3 144 11 3}
do_test where-1.4.1 {
count {SELECT w, x, y FROM t1 WHERE 11=w AND x>2}
} {11 3 144 3}
do_test where-1.4.2 {
set sqlite_query_plan
} {t1 i1w}
do_test where-1.4.3 {
count {SELECT w AS a, x AS b, y FROM t1 WHERE 11=a AND b>2}
} {11 3 144 3}
do_test where-1.4.4 {
set sqlite_query_plan
} {t1 i1w}
do_test where-1.5 {
count {SELECT x, y FROM t1 WHERE y<200 AND w=11 AND x>2}
} {3 144 3}