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sqlite3

    1: # 2011 Feb 04
    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 test deferred foreign key constraint processing to make
   14: # sure that when a statement not within BEGIN...END fails a constraint,
   15: # that statement doesn't hold the transaction open thus allowing
   16: # a subsequent statement to fail a deferred constraint with impunity.
   17: #
   18: 
   19: set testdir [file dirname $argv0]
   20: source $testdir/tester.tcl
   21: 
   22: ifcapable {!foreignkey||!trigger} {
   23:   finish_test
   24:   return
   25: }
   26: 
   27: # Create a table and some data to work with.
   28: #
   29: do_test fkey4-1.1 {
   30:   execsql {
   31:     PRAGMA foreign_keys = ON;
   32:     CREATE TABLE t1(a PRIMARY KEY, b);
   33:     CREATE TABLE t2(c REFERENCES t1 DEFERRABLE INITIALLY DEFERRED, d);
   34:     INSERT INTO t1 VALUES(1,2);
   35:     INSERT INTO t2 VALUES(1,3);
   36:   }
   37: } {}
   38: 
   39: do_test fkey4-1.2 {
   40:   set ::DB [sqlite3_connection_pointer db]
   41:   set ::SQL {INSERT INTO t2 VALUES(2,4)}
   42:   set ::STMT1 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL]
   43:   sqlite3_step $::STMT1
   44: } {SQLITE_CONSTRAINT}
   45: do_test fkey4-1.3 {
   46:   set ::STMT2 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL]
   47:   sqlite3_step $::STMT2
   48: } {SQLITE_CONSTRAINT}
   49: do_test fkey4-1.4 {
   50:   db eval {SELECT * FROM t2}
   51: } {1 3}
   52: sqlite3_finalize $::STMT1
   53: sqlite3_finalize $::STMT2
   54: 
   55: finish_test