sqlite/test/stat.test
drh 5360b55c6c Remove an incorrect ALWAYS() statement and add a test case to show when
the condition is sometimes false.

FossilOrigin-Name: 0f57effa3642e66a863f32cc7fba86d167084af3
2016-08-05 15:34:42 +00:00

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# 2010 July 09
#
# 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 regression tests for SQLite library. The
# focus of this file is testing the SELECT statement.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix stat
ifcapable !vtab||!compound {
finish_test
return
}
# This module uses hard-coded results that depend on exact measurements of
# pages sizes at the byte level, and hence will not work if the reserved_bytes
# value is nonzero.
if {[nonzero_reserved_bytes]} {finish_test; return;}
set ::asc 1
proc a_string {n} { string range [string repeat [incr ::asc]. $n] 1 $n }
db func a_string a_string
register_dbstat_vtab db
do_execsql_test stat-0.0 {
PRAGMA table_info(dbstat);
} {/0 name TEXT .* 1 path TEXT .* 9 pgsize INTEGER/}
# Attempts to drop an eponymous virtual table are a no-op.
do_execsql_test stat-0.1 {
DROP TABLE dbstat;
PRAGMA table_info=dbstat;
} {/0 name TEXT .* 1 path TEXT .* 9 pgsize INTEGER/}
db close
forcedelete test.db
sqlite3 db test.db
db func a_string a_string
register_dbstat_vtab db
do_execsql_test stat-0.2 {
PRAGMA auto_vacuum = OFF;
CREATE VIRTUAL TABLE temp.stat USING dbstat;
SELECT * FROM stat;
} {}
if {[wal_is_capable]} {
do_execsql_test stat-0.1 {
PRAGMA journal_mode = WAL;
PRAGMA journal_mode = delete;
SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
FROM stat;
} {wal delete sqlite_master / 1 leaf 0 0 916 0}
}
do_test stat-1.0 {
execsql {
CREATE TABLE t1(a, b);
CREATE INDEX i1 ON t1(b);
INSERT INTO t1(rowid, a, b) VALUES(2, 2, 3);
INSERT INTO t1(rowid, a, b) VALUES(3, 4, 5);
}
} {}
do_test stat-1.1 {
execsql {
SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
FROM stat WHERE name = 't1';
}
} {t1 / 2 leaf 2 10 998 5}
do_test stat-1.2 {
execsql {
SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
FROM stat WHERE name = 'i1';
}
} {i1 / 3 leaf 2 10 1000 5}
do_test stat-1.3 {
execsql {
SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
FROM stat WHERE name = 'sqlite_master';
}
} {sqlite_master / 1 leaf 2 77 831 40}
do_test stat-1.4 {
execsql {
DROP TABLE t1;
}
} {}
do_execsql_test stat-2.1 {
CREATE TABLE t3(a PRIMARY KEY, b);
INSERT INTO t3(rowid, a, b) VALUES(2, a_string(111), a_string(222));
INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3
ORDER BY rowid;
INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3
ORDER BY rowid;
INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3
ORDER BY rowid;
INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3
ORDER BY rowid;
INSERT INTO t3 SELECT a_string(110+rowid), a_string(221+rowid) FROM t3
ORDER BY rowid;
SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
FROM stat WHERE name != 'sqlite_master';
} [list \
sqlite_autoindex_t3_1 / 3 internal 3 368 623 125 \
sqlite_autoindex_t3_1 /000/ 8 leaf 8 946 46 123 \
sqlite_autoindex_t3_1 /001/ 9 leaf 8 988 2 131 \
sqlite_autoindex_t3_1 /002/ 15 leaf 7 857 137 132 \
sqlite_autoindex_t3_1 /003/ 20 leaf 6 739 257 129 \
t3 / 2 internal 15 0 907 0 \
t3 /000/ 4 leaf 2 678 328 340 \
t3 /001/ 5 leaf 2 682 324 342 \
t3 /002/ 6 leaf 2 682 324 342 \
t3 /003/ 7 leaf 2 690 316 346 \
t3 /004/ 10 leaf 2 682 324 342 \
t3 /005/ 11 leaf 2 690 316 346 \
t3 /006/ 12 leaf 2 698 308 350 \
t3 /007/ 13 leaf 2 706 300 354 \
t3 /008/ 14 leaf 2 682 324 342 \
t3 /009/ 16 leaf 2 690 316 346 \
t3 /00a/ 17 leaf 2 698 308 350 \
t3 /00b/ 18 leaf 2 706 300 354 \
t3 /00c/ 19 leaf 2 714 292 358 \
t3 /00d/ 21 leaf 2 722 284 362 \
t3 /00e/ 22 leaf 2 730 276 366 \
t3 /00f/ 23 leaf 2 738 268 370 \
]
# With every index entry overflowing, make sure no pages are missed
# (other than the locking page which is 64 in this test build.)
#
do_execsql_test stat-2.2 {
UPDATE t3 SET a=a||hex(randomblob(700));
VACUUM;
SELECT pageno FROM stat EXCEPT SELECT pageno-1 FROM stat;
} {64 136}
do_execsql_test stat-2.3 { DROP TABLE t3; VACUUM; } {}
do_execsql_test stat-3.1 {
CREATE TABLE t4(x);
CREATE INDEX i4 ON t4(x);
INSERT INTO t4(rowid, x) VALUES(2, a_string(7777));
SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
FROM stat WHERE name != 'sqlite_master';
} [list \
i4 / 3 leaf 1 103 905 7782 \
i4 /000+000000 4 overflow 0 1020 0 0 \
i4 /000+000001 5 overflow 0 1020 0 0 \
i4 /000+000002 6 overflow 0 1020 0 0 \
i4 /000+000003 7 overflow 0 1020 0 0 \
i4 /000+000004 8 overflow 0 1020 0 0 \
i4 /000+000005 9 overflow 0 1020 0 0 \
i4 /000+000006 10 overflow 0 1020 0 0 \
i4 /000+000007 11 overflow 0 539 481 0 \
t4 / 2 leaf 1 640 367 7780 \
t4 /000+000000 12 overflow 0 1020 0 0 \
t4 /000+000001 13 overflow 0 1020 0 0 \
t4 /000+000002 14 overflow 0 1020 0 0 \
t4 /000+000003 15 overflow 0 1020 0 0 \
t4 /000+000004 16 overflow 0 1020 0 0 \
t4 /000+000005 17 overflow 0 1020 0 0 \
t4 /000+000006 18 overflow 0 1020 0 0 \
]
do_execsql_test stat-4.1 {
CREATE TABLE t5(x);
CREATE INDEX i5 ON t5(x);
SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
FROM stat WHERE name = 't5' OR name = 'i5';
} [list \
i5 / 20 leaf 0 0 1016 0 \
t5 / 19 leaf 0 0 1016 0 \
]
db close
forcedelete test.db
sqlite3 db test.db
register_dbstat_vtab db
do_execsql_test stat-5.1 {
PRAGMA auto_vacuum = OFF;
CREATE TABLE tx(y);
ATTACH ':memory:' AS aux1;
CREATE VIRTUAL TABLE temp.stat USING dbstat(aux1);
CREATE TABLE aux1.t1(x);
INSERT INTO t1 VALUES(zeroblob(1513));
INSERT INTO t1 VALUES(zeroblob(1514));
SELECT name, path, pageno, pagetype, ncell, payload, unused, mx_payload
FROM stat WHERE name = 't1';
} [list \
t1 / 2 leaf 2 993 5 1517 \
t1 /000+000000 3 overflow 0 1020 0 0 \
t1 /001+000000 4 overflow 0 1020 0 0 \
]
do_catchsql_test stat-6.1 {
CREATE VIRTUAL TABLE temp.s2 USING dbstat(mainx);
} {1 {no such database: mainx}}
#-------------------------------------------------------------------------
# Test that the argument passed to the dbstat constructor is dequoted
# before it is matched against the names of attached databases.
#
forcedelete test.db2
do_execsql_test 7.1 {
ATTACH 'test.db2' AS '123';
PRAGMA "123".auto_vacuum = OFF;
CREATE TABLE "123".x1(a, b);
INSERT INTO x1 VALUES(1, 2);
}
do_execsql_test 7.1.1 {
SELECT * FROM dbstat('123');
} {
sqlite_master / 1 leaf 1 37 875 37 0 1024
x1 / 2 leaf 1 4 1008 4 1024 1024
}
do_execsql_test 7.1.2 {
SELECT * FROM dbstat(123);
} {
sqlite_master / 1 leaf 1 37 875 37 0 1024
x1 / 2 leaf 1 4 1008 4 1024 1024
}
do_execsql_test 7.1.3 {
CREATE VIRTUAL TABLE x2 USING dbstat('123');
SELECT * FROM x2;
} {
sqlite_master / 1 leaf 1 37 875 37 0 1024
x1 / 2 leaf 1 4 1008 4 1024 1024
}
do_execsql_test 7.1.4 {
CREATE VIRTUAL TABLE x3 USING dbstat(123);
SELECT * FROM x3;
} {
sqlite_master / 1 leaf 1 37 875 37 0 1024
x1 / 2 leaf 1 4 1008 4 1024 1024
}
do_execsql_test 7.2 {
DETACH 123;
DROP TABLE x2;
DROP TABLE x3;
ATTACH 'test.db2' AS '123corp';
}
do_execsql_test 7.2.1 {
SELECT * FROM dbstat('123corp');
} {
sqlite_master / 1 leaf 1 37 875 37 0 1024
x1 / 2 leaf 1 4 1008 4 1024 1024
}
do_catchsql_test 7.2.2 {
SELECT * FROM dbstat(123corp);
} {1 {unrecognized token: "123corp"}}
do_execsql_test 7.2.3 {
CREATE VIRTUAL TABLE x2 USING dbstat('123corp');
SELECT * FROM x2;
} {
sqlite_master / 1 leaf 1 37 875 37 0 1024
x1 / 2 leaf 1 4 1008 4 1024 1024
}
do_catchsql_test 7.2.4 {
CREATE VIRTUAL TABLE x3 USING dbstat(123corp);
SELECT * FROM x3;
} {1 {unrecognized token: "123corp"}}
finish_test