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| 1 # 2009 August 17 |
| 2 # |
| 3 # The author disclaims copyright to this source code. In place of |
| 4 # a legal notice, here is a blessing: |
| 5 # |
| 6 # May you do good and not evil. |
| 7 # May you find forgiveness for yourself and forgive others. |
| 8 # May you share freely, never taking more than you give. |
| 9 # |
| 10 #*********************************************************************** |
| 11 # |
| 12 # Check that reading the database schema from within an active transaction |
| 13 # does not establish a SHARED lock on the database file if one is not |
| 14 # already held (or, more accurately, that the SHARED lock is released after |
| 15 # reading the database schema). |
| 16 # |
| 17 |
| 18 set testdir [file dirname $argv0] |
| 19 source $testdir/tester.tcl |
| 20 |
| 21 do_test lock7-1.1 { |
| 22 execsql { CREATE TABLE t1(a, b) } |
| 23 db close |
| 24 |
| 25 sqlite3 db1 test.db |
| 26 sqlite3 db2 test.db |
| 27 |
| 28 db1 eval {BEGIN} |
| 29 db2 eval {BEGIN} |
| 30 } {} |
| 31 |
| 32 do_test lock7-1.2 { |
| 33 execsql { PRAGMA lock_status } db1 |
| 34 } {main unlocked temp closed} |
| 35 do_test lock7-1.3 { |
| 36 execsql { PRAGMA lock_status } db2 |
| 37 } {main unlocked temp closed} |
| 38 |
| 39 do_test lock7-1.4 { |
| 40 catchsql { INSERT INTO t1 VALUES(1, 1) } db1 |
| 41 } {0 {}} |
| 42 do_test lock7-1.5 { |
| 43 catchsql { INSERT INTO t1 VALUES(2, 2) } db2 |
| 44 } {1 {database is locked}} |
| 45 |
| 46 do_test lock7-1.6 { |
| 47 execsql { PRAGMA lock_status } db1 |
| 48 } {main reserved temp closed} |
| 49 do_test lock7-1.7 { |
| 50 execsql { PRAGMA lock_status } db2 |
| 51 } {main unlocked temp closed} |
| 52 |
| 53 do_test lock7-1.8 { |
| 54 execsql { COMMIT } db1 |
| 55 } {} |
| 56 |
| 57 db1 close |
| 58 db2 close |
| 59 |
| 60 finish_test |
| 61 |
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