259 lines
7.1 KiB
Plaintext
259 lines
7.1 KiB
Plaintext
# 2018-04-28
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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 cases for SQLITE_DBCONFIG_RESET_DATABASE
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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 resetdb
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do_not_use_codec
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ifcapable !vtab||!compound {
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finish_test
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return
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}
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# In the "inmemory_journal" permutation, each new connection executes
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# "PRAGMA journal_mode = memory". This fails with SQLITE_BUSY if attempted
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# on a wal mode database with existing connections. For this and a few
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# other reasons, this test is not run as part of "inmemory_journal".
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#
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# Permutation "journaltest" does not support wal mode.
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#
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if {[permutation]=="inmemory_journal"
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|| [permutation]=="journaltest"
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} {
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finish_test
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return
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}
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# Create a sample database
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do_execsql_test 100 {
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PRAGMA auto_vacuum = 0;
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PRAGMA page_size=4096;
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CREATE TABLE t1(a,b);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
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INSERT INTO t1(a,b) SELECT x, randomblob(300) FROM c;
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CREATE INDEX t1a ON t1(a);
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CREATE INDEX t1b ON t1(b);
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SELECT sum(a), sum(length(b)) FROM t1;
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PRAGMA integrity_check;
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PRAGMA journal_mode;
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PRAGMA page_count;
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} {210 6000 ok delete 8}
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# Verify that the same content is seen from a separate database connection
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sqlite3 db2 test.db
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do_test 110 {
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execsql {
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SELECT sum(a), sum(length(b)) FROM t1;
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PRAGMA integrity_check;
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PRAGMA journal_mode;
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PRAGMA page_count;
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} db2
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} {210 6000 ok delete 8}
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do_test 200 {
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# Thoroughly corrupt the database file by overwriting the first
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# page with randomness.
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sqlite3_db_config db DEFENSIVE 0
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catchsql {
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UPDATE sqlite_dbpage SET data=randomblob(4096) WHERE pgno=1;
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PRAGMA quick_check;
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}
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} {1 {file is not a database}}
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do_test 201 {
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catchsql {
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PRAGMA quick_check;
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} db2
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} {1 {file is not a database}}
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do_test 210 {
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# Reset the database file using SQLITE_DBCONFIG_RESET_DATABASE
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sqlite3_db_config db RESET_DB 1
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db eval VACUUM
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sqlite3_db_config db RESET_DB 0
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# If using sqlite3_prepare() instead of _v2() or _v3(), the block
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# below raises an SQLITE_SCHEMA error. The following fixes this.
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if {[permutation]=="prepare"} { catchsql "SELECT * FROM sqlite_master" db2 }
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# Verify that the reset took, even on the separate database connection
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catchsql {
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PRAGMA page_count;
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PRAGMA page_size;
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PRAGMA quick_check;
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PRAGMA journal_mode;
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} db2
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} {0 {1 4096 ok delete}}
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# Delete the old connections and database and start over again
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# with a different page size and in WAL mode.
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#
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db close
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db2 close
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forcedelete test.db
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sqlite3 db test.db
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do_execsql_test 300 {
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PRAGMA auto_vacuum = 0;
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PRAGMA page_size=8192;
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PRAGMA journal_mode=WAL;
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CREATE TABLE t1(a,b);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<20)
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INSERT INTO t1(a,b) SELECT x, randomblob(1300) FROM c;
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CREATE INDEX t1a ON t1(a);
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CREATE INDEX t1b ON t1(b);
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SELECT sum(a), sum(length(b)) FROM t1;
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PRAGMA integrity_check;
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PRAGMA journal_mode;
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PRAGMA page_size;
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PRAGMA page_count;
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} {wal 210 26000 ok wal 8192 12}
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sqlite3 db2 test.db
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do_test 310 {
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execsql {
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SELECT sum(a), sum(length(b)) FROM t1;
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PRAGMA integrity_check;
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PRAGMA journal_mode;
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PRAGMA page_size;
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PRAGMA page_count;
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} db2
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} {210 26000 ok wal 8192 12}
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# Corrupt the database again
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sqlite3_db_config db DEFENSIVE 0
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do_catchsql_test 320 {
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UPDATE sqlite_dbpage SET data=randomblob(8192) WHERE pgno=1;
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PRAGMA quick_check
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} {1 {file is not a database}}
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do_test 330 {
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catchsql {
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PRAGMA quick_check
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} db2
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} {1 {file is not a database}}
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db2 cache flush ;# Required by permutation "prepare".
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# Reset the database yet again. Verify that the page size and
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# journal mode are preserved.
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#
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do_test 400 {
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sqlite3_db_config db RESET_DB 1
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db eval VACUUM
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sqlite3_db_config db RESET_DB 0
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catchsql {
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PRAGMA page_count;
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PRAGMA page_size;
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PRAGMA journal_mode;
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PRAGMA quick_check;
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} db2
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} {0 {1 8192 wal ok}}
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db2 close
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# Reset the database yet again. This time immediately after it is closed
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# and reopened. So that the VACUUM is the first statement run.
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#
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db close
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sqlite3 db test.db
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do_test 500 {
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sqlite3_finalize [
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sqlite3_prepare db "SELECT 1 FROM sqlite_master LIMIT 1" -1 tail
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]
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sqlite3_db_config db RESET_DB 1
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db eval VACUUM
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sqlite3_db_config db RESET_DB 0
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sqlite3 db2 test.db
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catchsql {
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PRAGMA page_count;
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PRAGMA page_size;
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PRAGMA journal_mode;
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PRAGMA quick_check;
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} db2
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} {0 {1 8192 wal ok}}
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db2 close
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#-------------------------------------------------------------------------
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reset_db
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sqlite3 db2 test.db
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do_execsql_test 600 {
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PRAGMA journal_mode = wal;
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CREATE TABLE t1(a);
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INSERT INTO t1 VALUES(1), (2), (3), (4);
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} {wal}
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do_execsql_test -db db2 610 {
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SELECT * FROM t1
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} {1 2 3 4}
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do_test 620 {
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set res [list]
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db2 eval {SELECT a FROM t1} {
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lappend res $a
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if {$a==3} {
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sqlite3_db_config db RESET_DB 1
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db eval VACUUM
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sqlite3_db_config db RESET_DB 0
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}
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}
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set res
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} {1 2 3 4}
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do_execsql_test -db db2 630 {
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SELECT * FROM sqlite_master
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} {}
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#-------------------------------------------------------------------------
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db2 close
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reset_db
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do_execsql_test 700 {
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PRAGMA page_size=512;
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PRAGMA auto_vacuum = 0;
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CREATE TABLE t1(a,b,c);
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CREATE INDEX t1a ON t1(a);
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CREATE INDEX t1bc ON t1(b,c);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<10)
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INSERT INTO t1(a,b,c) SELECT x, randomblob(100),randomblob(100) FROM c;
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PRAGMA page_count;
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PRAGMA integrity_check;
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} {19 ok}
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if {[nonzero_reserved_bytes]} {
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finish_test
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return
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}
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sqlite3_db_config db DEFENSIVE 0
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do_execsql_test 710 {
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UPDATE sqlite_dbpage SET data=
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pgno=1;
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}
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do_execsql_test 720 {
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PRAGMA integrity_check;
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} {ok}
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do_test 730 {
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sqlite3_db_config db RESET_DB 1
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db eval VACUUM
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sqlite3_db_config db RESET_DB 0
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} {0}
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do_execsql_test 740 {
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PRAGMA page_count;
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PRAGMA integrity_check;
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} {1 ok}
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finish_test
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