93 lines
2.3 KiB
Plaintext
93 lines
2.3 KiB
Plaintext
# 2017-10-11
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set testprefix checkfreelist
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do_execsql_test 1.0 {
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PRAGMA page_size=1024;
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CREATE TABLE t1(a, b);
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}
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do_execsql_test 1.2 { SELECT checkfreelist('main') } {ok}
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do_execsql_test 1.3 {
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WITH s(i) AS (
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SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<10000
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)
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INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM s;
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DELETE FROM t1 WHERE rowid%3;
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PRAGMA freelist_count;
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} {6726}
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do_execsql_test 1.4 { SELECT checkfreelist('main') } {ok}
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do_execsql_test 1.5 {
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WITH freelist_trunk(i, d, n) AS (
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SELECT 1, NULL, sqlite_readint32(data, 32) FROM sqlite_dbpage WHERE pgno=1
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UNION ALL
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SELECT n, data, sqlite_readint32(data)
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FROM freelist_trunk, sqlite_dbpage WHERE pgno=n
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)
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SELECT i FROM freelist_trunk WHERE i!=1;
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} {
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10009 9715 9343 8969 8595 8222 7847 7474 7102 6727 6354 5982 5608 5234
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4860 4487 4112 3740 3367 2992 2619 2247 1872 1499 1125 752 377 5
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}
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do_execsql_test 1.6 { SELECT checkfreelist('main') } {ok}
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proc set_int {blob idx newval} {
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binary scan $blob I* ints
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lset ints $idx $newval
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binary format I* $ints
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}
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db func set_int set_int
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proc get_int {blob idx} {
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binary scan $blob I* ints
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lindex $ints $idx
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}
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db func get_int get_int
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do_execsql_test 1.7 {
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BEGIN;
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UPDATE sqlite_dbpage
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SET data = set_int(data, 1, get_int(data, 1)-1)
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WHERE pgno=4860;
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SELECT checkfreelist('main');
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ROLLBACK;
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} {{free-list count mismatch: actual=6725 header=6726}}
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do_execsql_test 1.8 {
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BEGIN;
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UPDATE sqlite_dbpage
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SET data = set_int(data, 5, (SELECT * FROM pragma_page_count)+1)
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WHERE pgno=4860;
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SELECT checkfreelist('main');
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ROLLBACK;
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} {{leaf page 10092 is out of range (child 3 of trunk page 4860)}}
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do_execsql_test 1.9 {
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BEGIN;
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UPDATE sqlite_dbpage
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SET data = set_int(data, 5, 0)
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WHERE pgno=4860;
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SELECT checkfreelist('main');
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ROLLBACK;
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} {{leaf page 0 is out of range (child 3 of trunk page 4860)}}
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do_execsql_test 1.10 {
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BEGIN;
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UPDATE sqlite_dbpage
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SET data = set_int(data, get_int(data, 1)+1, 0)
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WHERE pgno=5;
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SELECT checkfreelist('main');
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ROLLBACK;
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} {{leaf page 0 is out of range (child 247 of trunk page 5)}}
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do_execsql_test 1.11 {
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BEGIN;
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UPDATE sqlite_dbpage
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SET data = set_int(data, 1, 249)
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WHERE pgno=5;
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SELECT checkfreelist('main');
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ROLLBACK;
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} {{leaf count out of range (249) on trunk page 5}}
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