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      1 # 2011 March 18
      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 # This file implements regression tests for SQLite library.
     12 #
     13 # This file implements tests to verify that ticket 
     14 # [f7b4edece25c994857dc139207f55a53c8319fae] has been fixed.
     15 #
     16 
     17 set testdir [file dirname $argv0]
     18 source $testdir/tester.tcl
     19 
     20 # Open two database connections to the same database file in
     21 # shared cache mode.  Create update hooks that will fire on
     22 # each connection.
     23 #
     24 db close
     25 set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
     26 sqlite3 db1 test.db
     27 sqlite3 db2 test.db
     28 unset -nocomplain HOOKS
     29 set HOOKS {}
     30 proc update_hook {args} { lappend ::HOOKS $args }
     31 db1 update_hook update_hook
     32 db2 update_hook update_hook
     33 
     34 # Create a prepared statement
     35 #
     36 do_test tkt-f7b4edec-1 {
     37   execsql { CREATE TABLE t1(x, y); } db1
     38   execsql { INSERT INTO t1 VALUES(1, 2) } db1
     39   set ::HOOKS
     40 } {{INSERT main t1 1}}
     41 
     42 # In the second database connection cause the schema to be reparsed
     43 # without changing the schema cookie.
     44 #
     45 set HOOKS {}
     46 do_test tkt-f7b4edec-2 {
     47   execsql {
     48     BEGIN;
     49       DROP TABLE t1;
     50       CREATE TABLE t1(x, y);
     51     ROLLBACK;
     52   } db2
     53   set ::HOOKS
     54 } {}
     55 
     56 # Rerun the prepared statement that was created prior to the 
     57 # schema reparse.  Verify that the update-hook gives the correct
     58 # output.
     59 #
     60 set HOOKS {}
     61 do_test tkt-f7b4edec-3 {
     62   execsql { INSERT INTO t1 VALUES(1, 2) } db1
     63   set ::HOOKS
     64 } {{INSERT main t1 2}}
     65 
     66 # Be sure to restore the original shared-cache mode setting before
     67 # returning.
     68 #
     69 db1 close
     70 db2 close
     71 sqlite3_enable_shared_cache $::enable_shared_cache
     72 
     73 
     74 finish_test
     75