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Comment:Add the "atomic-batch-write" permutation to permutations.test. This permutation fails if not run on a file-system that supports atomic-batch-writes.
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SHA3-256: 9f1b83fae9c973eee80eefefe7bd3a1eb7bba8af4cd919d7a2ce911900dd9087
User & Date: dan 2017-07-22 16:58:47
Context
2017-07-22
20:12
Add a test for the outcome of a process crash within an xWrite VFS method call. (check-in: eb871800 user: dan tags: batch-atomic-write)
16:58
Add the "atomic-batch-write" permutation to permutations.test. This permutation fails if not run on a file-system that supports atomic-batch-writes. (check-in: 9f1b83fa user: dan tags: batch-atomic-write)
16:32
Keep batch-atomic-writes turned on for journal_mode=MEMORY, but turn them off for synchronous=OFF. Refuse to compile with both SQLITE_MMAP_READWRITE and SQLITE_ENABLE_BATCH_ATOMIC_WRITE. Fix up some comments in the commit logic. (check-in: 2e80e19e user: drh tags: batch-atomic-write)
Changes
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Changes to src/test1.c. 

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  }
  zFile = (const char*)Tcl_GetString(objv[1]);
  rc = sqlite3_delete_database(zFile);

  Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
  return TCL_OK;
}









































/*
** Usage:  sqlite3_next_stmt  DB  STMT
**
** Return the next statment in sequence after STMT.
*/
static int SQLITE_TCLAPI test_next_stmt(
................................................................................
     { "sqlite3_snapshot_cmp", test_snapshot_cmp, 0 },
     { "sqlite3_snapshot_recover", test_snapshot_recover, 0 },
     { "sqlite3_snapshot_get_blob", test_snapshot_get_blob, 0 },
     { "sqlite3_snapshot_open_blob", test_snapshot_open_blob, 0 },
     { "sqlite3_snapshot_cmp_blob", test_snapshot_cmp_blob, 0 },
#endif
     { "sqlite3_delete_database", test_delete_database, 0 },

  };
  static int bitmask_size = sizeof(Bitmask)*8;
  static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
  int i;
  extern int sqlite3_sync_count, sqlite3_fullsync_count;
  extern int sqlite3_opentemp_count;
  extern int sqlite3_like_count;








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  }
  zFile = (const char*)Tcl_GetString(objv[1]);
  rc = sqlite3_delete_database(zFile);

  Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
  return TCL_OK;
}

/*
** Usage: atomic_batch_write PATH
*/
static int SQLITE_TCLAPI test_atomic_batch_write(
  void * clientData,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  char *zFile = 0;                /* Path to file to test */
  sqlite3 *db = 0;                /* Database handle */
  sqlite3_file *pFd = 0;          /* SQLite fd open on zFile */
  int bRes = 0;                   /* Integer result of this command */
  int dc = 0;                     /* Device-characteristics mask */
  int rc;                         /* sqlite3_open() return code */

  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "PATH");
    return TCL_ERROR;
  }
  zFile = Tcl_GetString(objv[1]);

  rc = sqlite3_open(zFile, &db);
  if( rc!=SQLITE_OK ){
    Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
    sqlite3_close(db);
    return TCL_ERROR;
  }

  rc = sqlite3_file_control(db, "main", SQLITE_FCNTL_FILE_POINTER, (void*)&pFd);
  dc = pFd->pMethods->xDeviceCharacteristics(pFd);
  if( dc & SQLITE_IOCAP_BATCH_ATOMIC ){
    bRes = 1;
  }

  Tcl_SetObjResult(interp, Tcl_NewIntObj(bRes));
  sqlite3_close(db);
  return TCL_OK;
}

/*
** Usage:  sqlite3_next_stmt  DB  STMT
**
** Return the next statment in sequence after STMT.
*/
static int SQLITE_TCLAPI test_next_stmt(
................................................................................
     { "sqlite3_snapshot_cmp", test_snapshot_cmp, 0 },
     { "sqlite3_snapshot_recover", test_snapshot_recover, 0 },
     { "sqlite3_snapshot_get_blob", test_snapshot_get_blob, 0 },
     { "sqlite3_snapshot_open_blob", test_snapshot_open_blob, 0 },
     { "sqlite3_snapshot_cmp_blob", test_snapshot_cmp_blob, 0 },
#endif
     { "sqlite3_delete_database", test_delete_database, 0 },
     { "atomic_batch_write",      test_atomic_batch_write,     0   },
  };
  static int bitmask_size = sizeof(Bitmask)*8;
  static int longdouble_size = sizeof(LONGDOUBLE_TYPE);
  int i;
  extern int sqlite3_sync_count, sqlite3_fullsync_count;
  extern int sqlite3_opentemp_count;
  extern int sqlite3_like_count;

Changes to test/fallocate.test. 

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#
# We need to check this to verify that if in the unlikely event a rollback
# causes a database file to grow, the database grows to its previous size
# on disk, not to the minimum size required to hold the database image.
#
do_test fallocate-1.7 {
  execsql { BEGIN; INSERT INTO t1 VALUES(1, 2); }
  if {[permutation] != "inmemory_journal"} {


    hexio_get_int [hexio_read test.db-journal 16 4]
  } else {
    set {} 1024
  }
} {1024}
do_test fallocate-1.8 { execsql { COMMIT } } {}









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#
# We need to check this to verify that if in the unlikely event a rollback
# causes a database file to grow, the database grows to its previous size
# on disk, not to the minimum size required to hold the database image.
#
do_test fallocate-1.7 {
  execsql { BEGIN; INSERT INTO t1 VALUES(1, 2); }
  if {[permutation] != "inmemory_journal"
   && [permutation] != "atomic-batch-write"
  } {
    hexio_get_int [hexio_read test.db-journal 16 4]
  } else {
    set {} 1024
  }
} {1024}
do_test fallocate-1.8 { execsql { COMMIT } } {}

Changes to test/misc1.test. 

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# The following tests can only work if the current SQLite VFS has the concept
# of a current directory.
#
ifcapable curdir {
# Make sure a database connection still works after changing the
# working directory.
#

do_test misc1-14.1 {
  file mkdir tempdir
  cd tempdir
  execsql {BEGIN}
  file exists ./test.db-journal
} {0}
do_test misc1-14.2a {
  execsql {UPDATE t1 SET a=a||'x' WHERE 0}
  file exists ../test.db-journal
} {0}
do_test misc1-14.2b {
  execsql {UPDATE t1 SET a=a||'y' WHERE 1}
  file exists ../test.db-journal
} {1}
do_test misc1-14.3 {
  cd ..
  forcedelete tempdir
  execsql {COMMIT}
  file exists ./test.db-journal
} {0}

}

# A failed create table should not leave the table in the internal
# data structures.  Ticket #238.
#
do_test misc1-15.1.1 {
  catchsql {








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# The following tests can only work if the current SQLite VFS has the concept
# of a current directory.
#
ifcapable curdir {
# Make sure a database connection still works after changing the
# working directory.
#
if {[atomic_batch_write test.db]==0} {
  do_test misc1-14.1 {
    file mkdir tempdir
    cd tempdir
    execsql {BEGIN}
    file exists ./test.db-journal
  } {0}
  do_test misc1-14.2a {
    execsql {UPDATE t1 SET a=a||'x' WHERE 0}
    file exists ../test.db-journal
  } {0}
  do_test misc1-14.2b {
    execsql {UPDATE t1 SET a=a||'y' WHERE 1}
    file exists ../test.db-journal
  } {1}
  do_test misc1-14.3 {
    cd ..
    forcedelete tempdir
    execsql {COMMIT}
    file exists ./test.db-journal
  } {0}
}
}

# A failed create table should not leave the table in the internal
# data structures.  Ticket #238.
#
do_test misc1-15.1.1 {
  catchsql {

Changes to test/permutations.test. 

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  which do not work with a VFS that uses the pVfs argument passed to
  sqlite3_vfs methods.
} -files [
  test_set $allquicktests -exclude *malloc* *ioerr* *fault* oserror.test \
  pager1.test syscall.test sysfault.test tkt3457.test quota* superlock* \
  wal* mmap*
]

























lappend ::testsuitelist xxx
#-------------------------------------------------------------------------
# Define the coverage related test suites:
#
#   coverage-wal
#








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  which do not work with a VFS that uses the pVfs argument passed to
  sqlite3_vfs methods.
} -files [
  test_set $allquicktests -exclude *malloc* *ioerr* *fault* oserror.test \
  pager1.test syscall.test sysfault.test tkt3457.test quota* superlock* \
  wal* mmap*
]

test_suite "atomic-batch-write" -prefix "" -description {
  Like veryquick.test, but must be run on a file-system that supports
  atomic-batch-writes. Tests that depend on the journal file being present
  are omitted.
} -files [
  test_set $allquicktests -exclude *malloc* *ioerr* *fault* *bigfile* *_err* \
      *fts5corrupt* *fts5big* *fts5aj*  \
      crash8.test delete_db.test        \
      exclusive.test journal3.test      \
      journal1.test                     \
      jrnlmode.test jrnlmode2.test      \
      lock4.test pager1.test            \
      pager3.test sharedA.test          \
      symlink.test stmt.test            \
      sync.test sync2.test              \
      tempdb.test tkt3457.test          \
      vacuum5.test wal2.test            \
      walmode.test zerodamage.test
] -initialize {
  if {[atomic_batch_write test.db]==0} {
    error "File system does NOT support atomic-batch-write"
  }
}

lappend ::testsuitelist xxx
#-------------------------------------------------------------------------
# Define the coverage related test suites:
#
#   coverage-wal
#

Changes to test/rollback.test. 

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do_test rollback-1.9 {
  sqlite3_finalize $STMT
} {SQLITE_OK}

if {$tcl_platform(platform) == "unix" 
 && [permutation] ne "onefile"
 && [permutation] ne "inmemory_journal"

} {
  do_test rollback-2.1 {
    execsql {
      BEGIN;
      INSERT INTO t3 VALUES('hello world');
    }
    forcecopy test.db testA.db








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do_test rollback-1.9 {
  sqlite3_finalize $STMT
} {SQLITE_OK}

if {$tcl_platform(platform) == "unix" 
 && [permutation] ne "onefile"
 && [permutation] ne "inmemory_journal"
 && [permutation] ne "atomic-batch-write"
} {
  do_test rollback-2.1 {
    execsql {
      BEGIN;
      INSERT INTO t3 VALUES('hello world');
    }
    forcecopy test.db testA.db

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