78 lines
1.6 KiB
Plaintext
78 lines
1.6 KiB
Plaintext
# 2017 April 26
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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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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix cachespill
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ifcapable !pager_pragmas {
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finish_test
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return
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}
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#-------------------------------------------------------------------------
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# Test that "PRAGMA cache_spill = 0" completely disables cache spilling.
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#
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do_execsql_test 1.1 {
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PRAGMA auto_vacuum = 0;
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PRAGMA page_size = 1024;
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PRAGMA cache_size = 100;
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CREATE TABLE t1(a);
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}
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do_test 1.2 {
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file size test.db
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} {2048}
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do_test 1.3 {
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execsql {
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BEGIN;
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WITH s(i) AS (
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SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200
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) INSERT INTO t1 SELECT randomblob(900) FROM s;
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}
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expr {[file size test.db] > 50000}
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} {1}
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do_test 1.4 {
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execsql ROLLBACK
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file size test.db
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} {2048}
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do_test 1.5 {
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execsql {
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PRAGMA cache_spill = 0;
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BEGIN;
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WITH s(i) AS (
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SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200
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) INSERT INTO t1 SELECT randomblob(900) FROM s;
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}
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file size test.db
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} {2048}
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do_test 1.5 {
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execsql {
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ROLLBACK;
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PRAGMA cache_spill = 1;
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BEGIN;
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WITH s(i) AS (
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SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200
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) INSERT INTO t1 SELECT randomblob(900) FROM s;
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}
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expr {[file size test.db] > 50000}
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} {1}
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do_execsql_test 1.6 { ROLLBACK }
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finish_test
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