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

Artifact 1a0b1c0f59c6ae4402bfbca7cec29d4b1b272ff0:


# 2008 December 15
#
# 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.
#
#***********************************************************************
#
# $Id: savepoint3.test,v 1.2 2009/01/01 15:20:37 danielk1977 Exp $

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

source $testdir/malloc_common.tcl

do_malloc_test savepoint3-1 -sqlprep {
  CREATE TABLE t1(a, b, c);
  INSERT INTO t1 VALUES(1, 2, 3);
} -sqlbody {
  SAVEPOINT one;
    INSERT INTO t1 VALUES(4, 5, 6);
    SAVEPOINT two;
      DELETE FROM t1;
    ROLLBACK TO two;
  RELEASE one;
}

do_malloc_test savepoint3-2 -sqlprep {
  PRAGMA cache_size = 10;
  CREATE TABLE t1(a, b, c);
  INSERT INTO t1 VALUES(randstr(400,400), randstr(400,400), randstr(400,400));
  INSERT INTO t1 SELECT 
    randstr(400,400), randstr(400,400), randstr(400,400) FROM t1;
  INSERT INTO t1 
    SELECT randstr(400,400), randstr(400,400), randstr(400,400) FROM t1;
  INSERT INTO t1 
    SELECT randstr(400,400), randstr(400,400), randstr(400,400) FROM t1;
  INSERT INTO t1 
    SELECT randstr(400,400), randstr(400,400), randstr(400,400) FROM t1;
  INSERT INTO t1 
    SELECT randstr(400,400), randstr(400,400), randstr(400,400) FROM t1;
  INSERT INTO t1 
    SELECT randstr(400,400), randstr(400,400), randstr(400,400) FROM t1;
  INSERT INTO t1 
    SELECT randstr(400,400), randstr(400,400), randstr(400,400) FROM t1;
  INSERT INTO t1 
    SELECT randstr(400,400), randstr(400,400), randstr(400,400) FROM t1;
} -sqlbody {
  PRAGMA cache_size = 10;
  SAVEPOINT one;
    DELETE FROM t1 WHERE rowid < 5;
    SAVEPOINT two;
      DELETE FROM t1 WHERE rowid > 10;
    ROLLBACK TO two;
  ROLLBACK TO one;
  RELEASE one;
}

finish_test