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Artifact 989c6575225f9c4ef5d2392a9b9d0405665567c7501a3e44129598794d9b1b5f:


# 2017 May 26
#
# 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.
#
#***********************************************************************
#
# Miscellaneous tests for transactions started with BEGIN CONCURRENT. 
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/lock_common.tcl
source $testdir/wal_common.tcl
set ::testprefix concurrent4

ifcapable !concurrent {
  finish_test
  return
}

do_execsql_test 1.0 {
  PRAGMA journal_mode = wal;
  CREATE TABLE t1(x PRIMARY KEY, y UNIQUE);
  WITH s(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100)
  INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM s;
  DELETE FROM t1 WHERE rowid<2;
} {wal}

do_execsql_test 1.1 {
  BEGIN CONCURRENT;
    INSERT INTO t1(rowid, x, y) VALUES(1000, randomblob(3000), randomblob(3000));
    SAVEPOINT abc;
    DELETE FROM t1 WHERE rowid = 1000;
}

do_execsql_test 1.2 { ROLLBACK TO abc }
do_execsql_test 1.3 { COMMIT }
do_execsql_test 1.4 { PRAGMA integrity_check } {ok}

do_multiclient_test tn {
  do_test 2.$tn.1 {
    sql1 {
      PRAGMA journal_mode = wal;
      CREATE TABLE t1(a, b);
      WITH s(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100)
        INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM s;

      CREATE TABLE t2(a, b);
      WITH s(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<100)
        INSERT INTO t2 SELECT randomblob(400), randomblob(400) FROM s;
    }

    sql1 {
      BEGIN CONCURRENT;
        INSERT INTO t1 VALUES(randomblob(3000), randomblob(3000));
    }
  } {}

  do_test 2.$tn.2 {
    sql2 {
      WITH s(i) AS (SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<10)
        INSERT INTO t2 SELECT randomblob(400), randomblob(400) FROM s;
    }
    sql2 {
      DELETE FROM t2 WHERE rowid<10;
    }
  } {}

  do_test 2.$tn.3 {
    sql1 {
      COMMIT;
      PRAGMA integrity_check;
    }
  } {ok}
  do_test 2.$tn.4 {
    sql2 {
      PRAGMA integrity_check;
    }
  } {ok}
}


finish_test