diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
commit | 63847496f14c813a5d80efd5b7de0f1294ffe1e3 (patch) | |
tree | 01c7571c7c762ceee70638549a99834fdd7c411b /test/analyzeF.test | |
parent | Initial commit. (diff) | |
download | sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.tar.xz sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.zip |
Adding upstream version 3.45.1.upstream/3.45.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/analyzeF.test')
-rw-r--r-- | test/analyzeF.test | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/test/analyzeF.test b/test/analyzeF.test new file mode 100644 index 0000000..0010799 --- /dev/null +++ b/test/analyzeF.test @@ -0,0 +1,150 @@ +# 2015-03-12 +# +# 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. +# +#*********************************************************************** +# Test that deterministic scalar functions passed constant arguments +# are used with stat4 data. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl +set ::testprefix analyzeF + +ifcapable {!stat4} { + finish_test + return +} + +proc isqrt {i} { expr { int(sqrt($i)) } } +db func isqrt isqrt + +do_execsql_test 1.0 { + CREATE TABLE t1(x INTEGER, y INTEGER); + WITH data(i) AS ( + SELECT 1 UNION ALL SELECT i+1 FROM data + ) + INSERT INTO t1 SELECT isqrt(i), isqrt(i) FROM data LIMIT 400; + CREATE INDEX t1x ON t1(x); + CREATE INDEX t1y ON t1(y); + ANALYZE; +} + +proc str {a} { return $a } +db func str str + +# Note: tests 7 to 12 might be unstable - as they assume SQLite will +# prefer the expression to the right of the AND clause. Which of +# course could change. +# +# Note 2: tests 9 and 10 depend on the tcl interface creating functions +# without the SQLITE_DETERMINISTIC flag set. +# +foreach {tn where idx} { + 1 "x = 4 AND y = 19" {t1x (x=?)} + 2 "x = 19 AND y = 4" {t1y (y=?)} + 3 "x = '4' AND y = '19'" {t1x (x=?)} + 4 "x = '19' AND y = '4'" {t1y (y=?)} + 5 "x = substr('5195', 2, 2) AND y = substr('145', 2, 1)" {t1y (y=?)} + 6 "x = substr('145', 2, 1) AND y = substr('5195', 2, 2)" {t1x (x=?)} + + 7 "x = substr('5195', 2, 2+0) AND y = substr('145', 2, 1+0)" {t1y (y=?)} + 8 "x = substr('145', 2, 1+0) AND y = substr('5195', 2, 2+0)" {t1y (y=?)} + + 9 "x = str('19') AND y = str('4')" {t1y (y=?)} + 10 "x = str('4') AND y = str('19')" {t1y (y=?)} + + 11 "x = nullif('19', 0) AND y = nullif('4', 0)" {t1y (y=?)} + 12 "x = nullif('4', 0) AND y = nullif('19', 0)" {t1y (y=?)} +} { + set res "SEARCH t1 USING INDEX $idx" + do_eqp_test 1.$tn "SELECT * FROM t1 WHERE $where" $res +} + +# Test that functions that do not exist - "func()" - do not cause an error. +# +do_catchsql_test 2.1 { + SELECT * FROM t1 WHERE x = substr('145', 2, 1) AND y = func(1, 2, 3) +} {1 {no such function: func}} +do_catchsql_test 2.2 { + UPDATE t1 SET y=y+1 WHERE x = substr('145', 2, 1) AND y = func(1, 2, 3) +} {1 {no such function: func}} + + +# Check that functions that accept zero arguments do not cause problems. +# +proc ret {x} { return $x } + +db func det4 -deterministic [list ret 4] +db func nondet4 [list ret 4] +db func det19 -deterministic [list ret 19] +db func nondet19 [list ret 19] + +foreach {tn where idx} { + 1 "x = det4() AND y = det19()" {t1x (x=?)} + 2 "x = det19() AND y = det4()" {t1y (y=?)} + + 3 "x = nondet4() AND y = nondet19()" {t1y (y=?)} + 4 "x = nondet19() AND y = nondet4()" {t1y (y=?)} +} { + set res "SEARCH t1 USING INDEX $idx" + do_eqp_test 3.$tn "SELECT * FROM t1 WHERE $where" $res +} + + +execsql { DELETE FROM t1 } + +proc throw_error {err} { error $err } +db func error -deterministic throw_error +do_catchsql_test 4.1 { + SELECT * FROM t1 WHERE x = error('error one') AND y = 4; +} {1 {error one}} + +do_catchsql_test 4.2 { + SELECT * FROM t1 WHERE x = zeroblob(2200000000) AND y = 4; +} {1 {string or blob too big}} + +sqlite3_limit db SQLITE_LIMIT_LENGTH 1000000 +proc dstr {} { return [string repeat x 1100000] } +db func dstr -deterministic dstr +do_catchsql_test 4.3 { + SELECT * FROM t1 WHERE x = dstr() AND y = 11; +} {1 {string or blob too big}} + +do_catchsql_test 4.4 { + SELECT * FROM t1 WHERE x = test_zeroblob(1100000) AND y = 4; +} {1 {string or blob too big}} + +# 2016-12-08: Constraints of the form "x=? AND x IS NOT NULL" were being +# mishandled. The sqlite3Stat4ProbeSetValue() routine was assuming that +# valueNew() was returning a Mem object that was preset to NULL, which is +# not the case. The consequence was the the "x IS NOT NULL" constraint +# was used to drive the index (via the "x>NULL" pseudo-constraint) rather +# than the "x=?" constraint. +# +do_execsql_test 5.1 { + DROP TABLE IF EXISTS t1; + CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT); + WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<10000) + INSERT INTO t1(a, c) SELECT x, x FROM c; + UPDATE t1 SET b=printf('x%02x',a/500) WHERE a>4000; + UPDATE t1 SET b='xyz' where a>=9998; + CREATE INDEX t1b ON t1(b); + ANALYZE; + SELECT count(*), b FROM t1 GROUP BY 2 ORDER BY 2; +} {4000 {} 499 x08 500 x09 500 x0a 500 x0b 500 x0c 500 x0d 500 x0e 500 x0f 500 x10 500 x11 500 x12 498 x13 3 xyz} +do_execsql_test 5.2 { + explain query plan + SELECT * FROM t1 WHERE b='xyz' AND b IS NOT NULL ORDER BY +a; + /* v---- Should be "=", not ">" */ +} {/USING INDEX t1b .b=/} +do_execsql_test 5.3 { + SELECT * FROM t1 WHERE b='xyz' AND b IS NOT NULL ORDER BY +a; +} {9998 xyz 9998 9999 xyz 9999 10000 xyz 10000} + +finish_test |