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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Artifact d998a08ff2b18b7f62edce8e3044317c45efe6c7:


# 2011 March 18
#
# 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.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file implements tests to verify that ticket 
# [f7b4edece25c994857dc139207f55a53c8319fae] has been fixed.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Open two database connections to the same database file in
# shared cache mode.  Create update hooks that will fire on
# each connection.
#
db close
set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
sqlite3 db1 test.db
sqlite3 db2 test.db
unset -nocomplain HOOKS
set HOOKS {}
proc update_hook {args} { lappend ::HOOKS $args }
db1 update_hook update_hook
db2 update_hook update_hook

# Create a prepared statement
#
do_test tkt-f7b4edec-1 {
  execsql { CREATE TABLE t1(x, y); } db1
  execsql { INSERT INTO t1 VALUES(1, 2) } db1
  set ::HOOKS
} {{INSERT main t1 1}}

# In the second database connection cause the schema to be reparsed
# without changing the schema cookie.
#
set HOOKS {}
do_test tkt-f7b4edec-2 {
  execsql {
    BEGIN;
      DROP TABLE t1;
      CREATE TABLE t1(x, y);
    ROLLBACK;
  } db2
  set ::HOOKS
} {}

# Rerun the prepared statement that was created prior to the 
# schema reparse.  Verify that the update-hook gives the correct
# output.
#
set HOOKS {}
do_test tkt-f7b4edec-3 {
  execsql { INSERT INTO t1 VALUES(1, 2) } db1
  set ::HOOKS
} {{INSERT main t1 2}}

# Be sure to restore the original shared-cache mode setting before
# returning.
#
db1 close
db2 close
sqlite3_enable_shared_cache $::enable_shared_cache


finish_test