| # 2017 April 26 |
| # |
| # The author disclaims copyright to this source code. In place of |
| # a legal notice, here is a blessing: |
| # |
| # May you do good and not evil. |
| # May you find forgiveness for yourself and forgive others. |
| # May you share freely, never taking more than you give. |
| # |
| #*********************************************************************** |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| set testprefix cachespill |
| |
| ifcapable !pager_pragmas { |
| finish_test |
| return |
| } |
| |
| #------------------------------------------------------------------------- |
| # Test that "PRAGMA cache_spill = 0" completely disables cache spilling. |
| # |
| do_execsql_test 1.1 { |
| PRAGMA auto_vacuum = 0; |
| PRAGMA page_size = 1024; |
| PRAGMA cache_size = 100; |
| CREATE TABLE t1(a); |
| } |
| |
| do_test 1.2 { |
| file size test.db |
| } {2048} |
| |
| do_test 1.3 { |
| execsql { |
| BEGIN; |
| WITH s(i) AS ( |
| SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200 |
| ) INSERT INTO t1 SELECT randomblob(900) FROM s; |
| } |
| expr {[file size test.db] > 50000} |
| } {1} |
| |
| do_test 1.4 { |
| execsql ROLLBACK |
| file size test.db |
| } {2048} |
| |
| do_test 1.5 { |
| execsql { |
| PRAGMA cache_spill = 0; |
| BEGIN; |
| WITH s(i) AS ( |
| SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200 |
| ) INSERT INTO t1 SELECT randomblob(900) FROM s; |
| } |
| file size test.db |
| } {2048} |
| |
| do_test 1.5 { |
| execsql { |
| ROLLBACK; |
| PRAGMA cache_spill = 1; |
| BEGIN; |
| WITH s(i) AS ( |
| SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<200 |
| ) INSERT INTO t1 SELECT randomblob(900) FROM s; |
| } |
| expr {[file size test.db] > 50000} |
| } {1} |
| |
| do_execsql_test 1.6 { ROLLBACK } |
| |
| |
| finish_test |