sqlite/test/tkt-cbd054fa6b.test
shaneh 1141ae2463 Fix OOM error on ANALYZE with STAT2 enabled with zero-length data. Ticket [cbd054fa6b].
FossilOrigin-Name: c33b38b59f733494ca0bce3f59a669fe7ed76b9f
2010-03-26 01:54:33 +00:00

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# 2010 March 25
#
# 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.
#
#***********************************************************************
#
# This file implements tests to verify that ticket [cbd054fa6b] has been
# fixed.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !stat2 {
finish_test
return
}
do_test tkt-cbd05-1.1 {
db eval {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT UNIQUE NOT NULL);
CREATE INDEX t1_x ON t1(b);
INSERT INTO t1 VALUES (NULL, '');
INSERT INTO t1 VALUES (NULL, 'A');
INSERT INTO t1 VALUES (NULL, 'B');
INSERT INTO t1 VALUES (NULL, 'C');
INSERT INTO t1 VALUES (NULL, 'D');
INSERT INTO t1 VALUES (NULL, 'E');
INSERT INTO t1 VALUES (NULL, 'F');
INSERT INTO t1 VALUES (NULL, 'G');
INSERT INTO t1 VALUES (NULL, 'H');
INSERT INTO t1 VALUES (NULL, 'I');
SELECT count(*) FROM t1;
}
} {10}
do_test tkt-cbd05-1.2 {
db eval {
ANALYZE;
}
} {}
do_test tkt-cbd05-1.3 {
execsql {
SELECT tbl,idx,group_concat(sample,' ')
FROM sqlite_stat2
WHERE idx = 't1_x'
GROUP BY tbl,idx
}
} {t1 t1_x { A B C D E F G H I}}
do_test tkt-cbd05-2.1 {
db eval {
DROP TABLE t1;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b BLOB UNIQUE NOT NULL);
CREATE INDEX t1_x ON t1(b);
INSERT INTO t1 VALUES(NULL, X'');
INSERT INTO t1 VALUES(NULL, X'41');
INSERT INTO t1 VALUES(NULL, X'42');
INSERT INTO t1 VALUES(NULL, X'43');
INSERT INTO t1 VALUES(NULL, X'44');
INSERT INTO t1 VALUES(NULL, X'45');
INSERT INTO t1 VALUES(NULL, X'46');
INSERT INTO t1 VALUES(NULL, X'47');
INSERT INTO t1 VALUES(NULL, X'48');
INSERT INTO t1 VALUES(NULL, X'49');
SELECT count(*) FROM t1;
}
} {10}
do_test tkt-cbd05-2.2 {
db eval {
ANALYZE;
}
} {}
do_test tkt-cbd05-2.3 {
execsql {
SELECT tbl,idx,group_concat(sample,' ')
FROM sqlite_stat2
WHERE idx = 't1_x'
GROUP BY tbl,idx
}
} {t1 t1_x { A B C D E F G H I}}
finish_test