| # 2015 February 16 |
| # |
| # 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. |
| # |
| #*********************************************************************** |
| # |
| |
| source [file join [file dirname [info script]] rbu_common.tcl] |
| if_no_rbu_support { finish_test ; return } |
| source $testdir/lock_common.tcl |
| set ::testprefix rbu12 |
| |
| set setup_sql { |
| DROP TABLE IF EXISTS xx; |
| DROP TABLE IF EXISTS xy; |
| CREATE TABLE xx(a, b, c PRIMARY KEY); |
| INSERT INTO xx VALUES(1, 2, 3); |
| CREATE TABLE xy(a, b, c PRIMARY KEY); |
| |
| ATTACH 'rbu.db' AS rbu; |
| DROP TABLE IF EXISTS data_xx; |
| CREATE TABLE rbu.data_xx(a, b, c, rbu_control); |
| INSERT INTO data_xx VALUES(4, 5, 6, 0); |
| INSERT INTO data_xx VALUES(7, 8, 9, 0); |
| CREATE TABLE rbu.data_xy(a, b, c, rbu_control); |
| INSERT INTO data_xy VALUES(10, 11, 12, 0); |
| DETACH rbu; |
| } |
| |
| do_multiclient_test tn { |
| |
| # Initialize a target (test.db) and rbu (rbu.db) database. |
| # |
| forcedelete rbu.db |
| sql1 $setup_sql |
| |
| # Using connection 2, open a read transaction on the target database. |
| # RBU will still be able to generate "test.db-oal", but it will not be |
| # able to rename it to "test.db-wal". |
| # |
| do_test 1.$tn.1 { |
| sql2 { BEGIN; SELECT * FROM xx; } |
| } {1 2 3} |
| do_test 1.$tn.2 { |
| sqlite3rbu rbu test.db rbu.db |
| while 1 { |
| set res [rbu step] |
| if {$res!="SQLITE_OK"} break |
| } |
| set res |
| } {SQLITE_BUSY} |
| |
| do_test 1.$tn.3 { sql2 { SELECT * FROM xx; } } {1 2 3} |
| do_test 1.$tn.4 { sql2 { SELECT * FROM xy; } } {} |
| do_test 1.$tn.5 { |
| list [file exists test.db-wal] [file exists test.db-oal] |
| } {0 1} |
| do_test 1.$tn.6 { sql2 COMMIT } {} |
| |
| # The rbu object that hit the SQLITE_BUSY error above cannot be reused. |
| # It is stuck in a permanent SQLITE_BUSY state at this point. |
| # |
| do_test 1.$tn.7 { rbu step } {SQLITE_BUSY} |
| do_test 1.$tn.8 { |
| list [catch { rbu close } msg] $msg |
| } {1 SQLITE_BUSY} |
| |
| do_test 1.$tn.9.1 { sql2 { BEGIN EXCLUSIVE } } {} |
| do_test 1.$tn.9.2 { |
| sqlite3rbu rbu test.db rbu.db |
| rbu step |
| } {SQLITE_BUSY} |
| do_test 1.$tn.9.3 { |
| list [catch { rbu close } msg] $msg |
| } {1 {SQLITE_BUSY - database is locked}} |
| do_test 1.$tn.9.4 { sql2 COMMIT } {} |
| |
| sqlite3rbu rbu test.db rbu.db |
| do_test 1.$tn.10.1 { sql2 { BEGIN EXCLUSIVE } } {} |
| do_test 1.$tn.10.2 { |
| rbu step |
| } {SQLITE_BUSY} |
| do_test 1.$tn.10.3 { |
| list [catch { rbu close } msg] $msg |
| } {1 SQLITE_BUSY} |
| do_test 1.$tn.10.4 { sql2 COMMIT } {} |
| |
| # A new rbu object can finish the work though. |
| # |
| do_test 1.$tn.11 { |
| sqlite3rbu rbu test.db rbu.db |
| rbu step |
| } {SQLITE_OK} |
| do_test 1.$tn.12 { |
| list [file exists test.db-wal] [file exists test.db-oal] |
| } {1 0} |
| do_test 1.$tn.13 { |
| while 1 { |
| set res [rbu step] |
| if {$res!="SQLITE_OK"} break |
| } |
| set res |
| } {SQLITE_DONE} |
| |
| do_test 1.$tn.14 { |
| rbu close |
| } {SQLITE_DONE} |
| } |
| |
| do_multiclient_test tn { |
| |
| # Initialize a target (test.db) and rbu (rbu.db) database. |
| # |
| forcedelete rbu.db |
| sql1 $setup_sql |
| |
| do_test 2.$tn.1 { |
| sqlite3rbu rbu test.db rbu.db |
| while {[file exists test.db-wal]==0} { |
| if {[rbu step]!="SQLITE_OK"} {error "problem here...."} |
| } |
| rbu close |
| } {SQLITE_OK} |
| |
| |
| do_test 2.$tn.2 { sql2 { BEGIN IMMEDIATE } } {} |
| |
| do_test 2.$tn.3 { |
| sqlite3rbu rbu test.db rbu.db |
| rbu step |
| } {SQLITE_BUSY} |
| |
| do_test 2.$tn.4 { list [catch { rbu close } msg] $msg } {1 SQLITE_BUSY} |
| |
| do_test 2.$tn.5 { |
| sql2 { SELECT * FROM xx ; COMMIT } |
| } {1 2 3 4 5 6 7 8 9} |
| |
| do_test 2.$tn.6 { |
| sqlite3rbu rbu test.db rbu.db |
| rbu step |
| rbu close |
| } {SQLITE_OK} |
| |
| do_test 2.$tn.7 { sql2 { BEGIN EXCLUSIVE } } {} |
| |
| do_test 2.$tn.8 { |
| sqlite3rbu rbu test.db rbu.db |
| rbu step |
| } {SQLITE_BUSY} |
| do_test 2.$tn.9 { list [catch { rbu close } msg] $msg } {1 SQLITE_BUSY} |
| do_test 2.$tn.10 { |
| sql2 { SELECT * FROM xx ; COMMIT } |
| } {1 2 3 4 5 6 7 8 9} |
| |
| do_test 2.$tn.11 { |
| sqlite3rbu rbu test.db rbu.db |
| while {[rbu step]=="SQLITE_OK"} {} |
| rbu close |
| } {SQLITE_DONE} |
| |
| } |
| |
| #------------------------------------------------------------------------- |
| # Test that "PRAGMA data_version" works when an RBU client writes the |
| # database. |
| # |
| do_multiclient_test tn { |
| |
| # Initialize a target (test.db) and rbu (rbu.db) database. |
| # |
| forcedelete rbu.db |
| sql1 $setup_sql |
| |
| # Check the initial database contains table "xx" with a single row. |
| # Also save the current values of "PRAGMA data-version" for [db1] |
| # and [db2]. |
| # |
| do_test 2.$tn.1 { |
| list [sql1 { SELECT count(*) FROM xx }] [sql2 { SELECT count(*) FROM xx }] |
| } {1 1} |
| set V1 [sql1 {PRAGMA data_version}] |
| set V2 [sql2 {PRAGMA data_version}] |
| |
| # Check the values of data-version have not magically changed. |
| # |
| do_test 2.$tn.2 { |
| list [sql1 {PRAGMA data_version}] [sql2 {PRAGMA data_version}] |
| } [list $V1 $V2] |
| |
| # Start stepping the RBU. From the point of view of [db1] and [db2], the |
| # data-version values remain unchanged until the database contents are |
| # modified. At which point the values are incremented. |
| # |
| sqlite3rbu rbu test.db rbu.db |
| set x 0 |
| while {[db one {SELECT count(*) FROM xx}]==1} { |
| do_test 2.$tn.3.[incr x] { |
| list [sql1 {PRAGMA data_version}] [sql2 {PRAGMA data_version}] |
| } [list $V1 $V2] |
| rbu step |
| } |
| do_test 2.$tn.5.1 { expr {$V1 < [sql1 {PRAGMA data_version}]} } 1 |
| do_test 2.$tn.5.2 { expr {$V2 < [sql2 {PRAGMA data_version}]} } 1 |
| |
| # Check the db contents is as expected. |
| # |
| do_test 2.$tn.4 { |
| list [sql1 {SELECT count(*) FROM xx}] [sql2 {SELECT count(*) FROM xx}] |
| } {3 3} |
| |
| set V1 [sql1 {PRAGMA data_version}] |
| set V2 [sql2 {PRAGMA data_version}] |
| |
| # Finish applying the RBU (i.e. do the incremental checkpoint). Check that |
| # this does not cause the data-version values to change. |
| # |
| while {[rbu step]=="SQLITE_OK"} { } |
| rbu close |
| |
| do_test 2.$tn.6 { |
| list [sql1 {PRAGMA data_version}] [sql2 {PRAGMA data_version}] |
| } [list $V1 $V2] |
| |
| } |
| |
| finish_test |