Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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testdata/tcl/analyzeF.test
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testdata/tcl/analyzeF.test
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# 2015-03-12
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# Test that deterministic scalar functions passed constant arguments
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# are used with stat4 data.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set ::testprefix analyzeF
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ifcapable {!stat4} {
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finish_test
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return
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}
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proc isqrt {i} { expr { int(sqrt($i)) } }
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db func isqrt isqrt
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do_execsql_test 1.0 {
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CREATE TABLE t1(x INTEGER, y INTEGER);
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WITH data(i) AS (
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SELECT 1 UNION ALL SELECT i+1 FROM data
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)
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INSERT INTO t1 SELECT isqrt(i), isqrt(i) FROM data LIMIT 400;
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CREATE INDEX t1x ON t1(x);
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CREATE INDEX t1y ON t1(y);
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ANALYZE;
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}
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proc str {a} { return $a }
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db func str str
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# Note: tests 7 to 12 might be unstable - as they assume SQLite will
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# prefer the expression to the right of the AND clause. Which of
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# course could change.
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#
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# Note 2: tests 9 and 10 depend on the tcl interface creating functions
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# without the SQLITE_DETERMINISTIC flag set.
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#
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foreach {tn where idx} {
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1 "x = 4 AND y = 19" {t1x (x=?)}
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2 "x = 19 AND y = 4" {t1y (y=?)}
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3 "x = '4' AND y = '19'" {t1x (x=?)}
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4 "x = '19' AND y = '4'" {t1y (y=?)}
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5 "x = substr('5195', 2, 2) AND y = substr('145', 2, 1)" {t1y (y=?)}
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6 "x = substr('145', 2, 1) AND y = substr('5195', 2, 2)" {t1x (x=?)}
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7 "x = substr('5195', 2, 2+0) AND y = substr('145', 2, 1+0)" {t1y (y=?)}
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8 "x = substr('145', 2, 1+0) AND y = substr('5195', 2, 2+0)" {t1y (y=?)}
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9 "x = str('19') AND y = str('4')" {t1y (y=?)}
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10 "x = str('4') AND y = str('19')" {t1y (y=?)}
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11 "x = nullif('19', 0) AND y = nullif('4', 0)" {t1y (y=?)}
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12 "x = nullif('4', 0) AND y = nullif('19', 0)" {t1y (y=?)}
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} {
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set res "SEARCH t1 USING INDEX $idx"
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do_eqp_test 1.$tn "SELECT * FROM t1 WHERE $where" $res
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}
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# Test that functions that do not exist - "func()" - do not cause an error.
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#
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do_catchsql_test 2.1 {
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SELECT * FROM t1 WHERE x = substr('145', 2, 1) AND y = func(1, 2, 3)
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} {1 {no such function: func}}
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do_catchsql_test 2.2 {
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UPDATE t1 SET y=y+1 WHERE x = substr('145', 2, 1) AND y = func(1, 2, 3)
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} {1 {no such function: func}}
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# Check that functions that accept zero arguments do not cause problems.
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#
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proc ret {x} { return $x }
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db func det4 -deterministic [list ret 4]
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db func nondet4 [list ret 4]
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db func det19 -deterministic [list ret 19]
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db func nondet19 [list ret 19]
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foreach {tn where idx} {
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1 "x = det4() AND y = det19()" {t1x (x=?)}
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2 "x = det19() AND y = det4()" {t1y (y=?)}
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3 "x = nondet4() AND y = nondet19()" {t1y (y=?)}
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4 "x = nondet19() AND y = nondet4()" {t1y (y=?)}
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} {
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set res "SEARCH t1 USING INDEX $idx"
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do_eqp_test 3.$tn "SELECT * FROM t1 WHERE $where" $res
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}
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execsql { DELETE FROM t1 }
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proc throw_error {err} { error $err }
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db func error -deterministic throw_error
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do_catchsql_test 4.1 {
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SELECT * FROM t1 WHERE x = error('error one') AND y = 4;
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} {1 {error one}}
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do_catchsql_test 4.2 {
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SELECT * FROM t1 WHERE x = zeroblob(2200000000) AND y = 4;
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} {1 {string or blob too big}}
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sqlite3_limit db SQLITE_LIMIT_LENGTH 1000000
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proc dstr {} { return [string repeat x 1100000] }
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db func dstr -deterministic dstr
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do_catchsql_test 4.3 {
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SELECT * FROM t1 WHERE x = dstr() AND y = 11;
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} {1 {string or blob too big}}
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do_catchsql_test 4.4 {
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SELECT * FROM t1 WHERE x = test_zeroblob(1100000) AND y = 4;
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} {1 {string or blob too big}}
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# 2016-12-08: Constraints of the form "x=? AND x IS NOT NULL" were being
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# mishandled. The sqlite3Stat4ProbeSetValue() routine was assuming that
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# valueNew() was returning a Mem object that was preset to NULL, which is
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# not the case. The consequence was the the "x IS NOT NULL" constraint
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# was used to drive the index (via the "x>NULL" pseudo-constraint) rather
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# than the "x=?" constraint.
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#
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do_execsql_test 5.1 {
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<10000)
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INSERT INTO t1(a, c) SELECT x, x FROM c;
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UPDATE t1 SET b=printf('x%02x',a/500) WHERE a>4000;
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UPDATE t1 SET b='xyz' where a>=9998;
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CREATE INDEX t1b ON t1(b);
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ANALYZE;
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SELECT count(*), b FROM t1 GROUP BY 2 ORDER BY 2;
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} {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}
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do_execsql_test 5.2 {
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explain query plan
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SELECT * FROM t1 WHERE b='xyz' AND b IS NOT NULL ORDER BY +a;
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/* v---- Should be "=", not ">" */
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} {/USING INDEX t1b .b=/}
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do_execsql_test 5.3 {
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SELECT * FROM t1 WHERE b='xyz' AND b IS NOT NULL ORDER BY +a;
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} {9998 xyz 9998 9999 xyz 9999 10000 xyz 10000}
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finish_test
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