Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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testdata/tcl/tempdb2.test
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testdata/tcl/tempdb2.test
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# 2016 March 3
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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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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix tempdb2
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db close
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sqlite3 db ""
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set unlocked unlocked
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if {$::TEMP_STORE>=2} { set unlocked unknown }
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proc int2str {i} { string range [string repeat "$i." 450] 0 899 }
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db func int2str int2str
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#-------------------------------------------------------------------------
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#
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# 1.1: Write a big transaction to the db. One so large that it forces
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# the file to be created and the cache flushed to disk on COMMIT.
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#
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# 1.2: Write a small transaction - one small enough that it remains in
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# memory on COMMIT. All the pages of table [t1] are now dirty.
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#
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# 1.3: Delete the contents of [t1]. This moves all of its leaves to the
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# free-list and causes the btree layer to call PagerDontWrite() on
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# each of them.
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#
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# Then do a big update on table [t2]. So big that the former leaves
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# of [t1] are forced out of the cache. Then roll back the transaction.
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# If the PagerDontWrite() calls are honoured and the data is not written
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# to disk, the update made in test 1.2 will be lost at this point. Or, if
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# they are ignored (as they should be for temp databases), the update
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# will be safely written out to disk before the cache entries are
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# discarded.
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#
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do_execsql_test 1.1 {
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PRAGMA page_size=1024;
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PRAGMA cache_size=50;
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BEGIN;
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
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INSERT INTO t1 VALUES(1, int2str(1));
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INSERT INTO t1 VALUES(2, int2str(1));
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INSERT INTO t1 VALUES(3, int2str(1));
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CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
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WITH c(x) AS ( VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100 )
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INSERT INTO t2 SELECT x, int2str(x) FROM c;
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COMMIT;
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PRAGMA lock_status;
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} [list main $unlocked temp closed]
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do_execsql_test 1.2 {
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UPDATE t1 SET b=int2str(2);
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SELECT b=int2str(2) FROM t1
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} {1 1 1}
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do_execsql_test 1.3 {
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BEGIN;
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DELETE FROM t1;
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UPDATE t2 SET b=int2str(a+1);
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ROLLBACK;
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}
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do_execsql_test 1.4 {
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SELECT b=int2str(2) FROM t1
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} {1 1 1}
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#-------------------------------------------------------------------------
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db close
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sqlite3 db ""
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db func int2str int2str
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do_execsql_test 2.0 {
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PRAGMA cache_size = -100;
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
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WITH c(x) AS ( VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100 )
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INSERT INTO t1 SELECT x, int2str(x) FROM c;
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}
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do_execsql_test 2.1 {
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INSERT INTO t1 VALUES(10001, int2str(1001) || int2str(1001) || int2str(1001));
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}
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do_execsql_test 2.2 {
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SELECT b FROM t1 WHERE a = 10001;
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} "[int2str 1001][int2str 1001][int2str 1001]"
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finish_test
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