119 lines
2.7 KiB
Plaintext
119 lines
2.7 KiB
Plaintext
# 2014 September 15.
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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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# This file implements regression tests for SQLite library.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix sort5
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#-------------------------------------------------------------------------
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# Verify that sorting works with a version 1 sqlite3_io_methods structure.
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#
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testvfs tvfs -iversion 1 -default true
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reset_db
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do_execsql_test 1.0 {
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PRAGMA mmap_size = 10000000;
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PRAGMA cache_size = 10;
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CREATE TABLE t1(a, b);
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} {0}
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do_test 1.1 {
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execsql BEGIN
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for {set i 0} {$i < 2000} {incr i} {
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execsql { INSERT INTO t1 VALUES($i, randomblob(2000)) }
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}
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execsql COMMIT
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} {}
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do_execsql_test 1.2 {
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CREATE INDEX i1 ON t1(b);
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}
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db close
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tvfs delete
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#-------------------------------------------------------------------------
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# Test that the PMA size is determined correctly. The PMA size should be
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# roughly the same amount of memory allocated to the main pager cache, or
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# 250 pages if this is larger.
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#
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testvfs tvfs
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tvfs script tv_callback
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tvfs filter {xOpen xWrite}
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proc tv_callback {method args} {
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global iTemp
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global F
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switch $method {
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xOpen {
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if {[lindex $args 0]==""} { return "temp[incr iTemp]" }
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return "SQLITE_OK"
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}
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xWrite {
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foreach {filename id off amt} $args {}
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if {[info exists F($id)]==0 || $F($id)<($off + $amt)} {
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set F($id) [expr $off+$amt]
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}
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}
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}
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}
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catch { db close }
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forcedelete test.db
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sqlite3 db test.db -vfs tvfs
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execsql { CREATE TABLE t1(x) }
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# Each iteration of the following loop attempts to sort 10001 records
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# each a bit over 100 bytes in size. In total a little more than 1MiB
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# of data.
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#
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foreach {tn pgsz cachesz bTemp} {
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1 4096 1000 0
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2 1024 1000 1
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3 4096 -1000 1
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4 1024 -1000 1
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5 4096 -9000 0
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6 1024 -9000 0
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} {
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do_execsql_test 2.$tn.0 "
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PRAGMA page_size = $pgsz;
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VACUUM;
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PRAGMA cache_size = $cachesz;
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"
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if {[db one {PRAGMA page_size}]!=$pgsz} {
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# SEE is not able to change page sizes and that messes up the
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# results that follow.
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continue
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}
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do_test 2.$tn.1 {
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set ::iTemp 0
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catch { array unset F }
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execsql {
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WITH x(i, j) AS (
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SELECT 1, randomblob(100)
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UNION ALL
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SELECT i+1, randomblob(100) FROM x WHERE i<10000
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)
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SELECT * FROM x ORDER BY j;
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}
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expr {[array names F]!=""}
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} $bTemp
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}
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finish_test
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