public void Setup()
{
var s1 = new JET_RECSIZE
{
cbData = 0x10,
cbDataCompressed = 0x20,
cbLongValueData = 0x30,
cbLongValueDataCompressed = 0x40,
cbLongValueOverhead = 0x50,
cbOverhead = 0x60,
cCompressedColumns = 0x70,
cLongValues = 0x80,
cMultiValues = 0x90,
cNonTaggedColumns = 0xa0,
cTaggedColumns = 0xb0,
};
var s2 = new JET_RECSIZE
{
cbData = 0x1,
cbDataCompressed = 0x2,
cbLongValueData = 0x3,
cbLongValueDataCompressed = 0x4,
cbLongValueOverhead = 0x5,
cbOverhead = 0x6,
cCompressedColumns = 0x7,
cLongValues = 0x8,
cMultiValues = 0x9,
cNonTaggedColumns = 0xa,
cTaggedColumns = 0xb,
};
this.result = s1 + s2;
this.namedResult = JET_RECSIZE.Add(s1, s2);
}
public void Setup()
{
var s1 = new JET_RECSIZE
{
cbData = 0x11,
cbDataCompressed = 0x22,
cbLongValueData = 0x33,
cbLongValueDataCompressed = 0x44,
cbLongValueOverhead = 0x55,
cbOverhead = 0x66,
cCompressedColumns = 0x77,
cLongValues = 0x88,
cMultiValues = 0x99,
cNonTaggedColumns = 0xaa,
cTaggedColumns = 0xbb,
};
var s2 = new JET_RECSIZE
{
cbData = 0x1,
cbDataCompressed = 0x2,
cbLongValueData = 0x3,
cbLongValueDataCompressed = 0x4,
cbLongValueOverhead = 0x5,
cbOverhead = 0x6,
cCompressedColumns = 0x7,
cLongValues = 0x8,
cMultiValues = 0x9,
cNonTaggedColumns = 0xa,
cTaggedColumns = 0xb,
};
this.result = s1 - s2;
this.namedResult = JET_RECSIZE.Subtract(s1, s2);
}
public void JetGetRecordSizeSeparated()
{
if (!EsentVersion.SupportsVistaFeatures)
{
return;
}
var size = new JET_RECSIZE();
byte[] data = Any.BytesOfLength(64);
Api.JetBeginTransaction(this.sesid);
Api.JetPrepareUpdate(this.sesid, this.tableid, JET_prep.Insert);
Api.JetSetColumn(this.sesid, this.tableid, this.columnidLongText, data, data.Length, SetColumnGrbit.SeparateLV, null);
VistaApi.JetGetRecordSize(this.sesid, this.tableid, ref size, GetRecordSizeGrbit.InCopyBuffer);
this.UpdateAndGotoBookmark();
VistaApi.JetGetRecordSize(this.sesid, this.tableid, ref size, GetRecordSizeGrbit.RunningTotal);
Assert.AreEqual(0, size.cbData, "cbData");
Assert.AreEqual(0, size.cbDataCompressed, "cbDataCompressed");
Assert.AreEqual(data.Length * 2, size.cbLongValueData, "cbLongValueData");
Assert.AreEqual(data.Length * 2, size.cbLongValueDataCompressed, "cbLongValueDataCompressed");
Assert.AreNotEqual(0, size.cbLongValueOverhead, "cbLongValueOverhead");
Assert.AreNotEqual(0, size.cbOverhead, "cbOverhead");
Assert.AreEqual(0, size.cCompressedColumns, "cCompressedColumns");
Assert.AreEqual(2, size.cLongValues, "cLongValues");
Assert.AreEqual(0, size.cMultiValues, "cMultiValues");
Assert.AreEqual(0, size.cNonTaggedColumns, "cTaggedColumns");
Assert.AreEqual(2, size.cTaggedColumns, "cTaggedColumns");
}
public void Setup()
{
var s1 = new JET_RECSIZE
{
cbData = 0x10,
cbDataCompressed = 0x20,
cbLongValueData = 0x30,
cbLongValueDataCompressed = 0x40,
cbLongValueOverhead = 0x50,
cbOverhead = 0x60,
cCompressedColumns = 0x70,
cLongValues = 0x80,
cMultiValues = 0x90,
cNonTaggedColumns = 0xa0,
cTaggedColumns = 0xb0,
};
var s2 = new JET_RECSIZE
{
cbData = 0x1,
cbDataCompressed = 0x2,
cbLongValueData = 0x3,
cbLongValueDataCompressed = 0x4,
cbLongValueOverhead = 0x5,
cbOverhead = 0x6,
cCompressedColumns = 0x7,
cLongValues = 0x8,
cMultiValues = 0x9,
cNonTaggedColumns = 0xa,
cTaggedColumns = 0xb,
};
this.result = s1 + s2;
this.namedResult = JET_RECSIZE.Add(s1, s2);
}
// verifies that the data in the record matches the expected values
private void CheckColumns(JET_SESID sesid, JET_TABLEID tableid, byte[][] expectedData)
{
byte[][] actualData;
actualData = this.GetColumnsWithJetRetrieveColumn(sesid, tableid);
this.CompareColumns(actualData, expectedData);
actualData = this.GetColumnsWithJetRetrieveColumns(sesid, tableid);
this.CompareColumns(actualData, expectedData);
int totalsize = 0;
foreach (var columndata in actualData)
{
if (columndata != null)
{
totalsize += columndata.Length;
}
}
// BUGBUG: need to investigate why this gives a value which is larger than the sum of the column sizes
var recsize = new JET_RECSIZE();
VistaApi.JetGetRecordSize(sesid, tableid, ref recsize, GetRecordSizeGrbit.None);
BasicClass.Assert(
recsize.cbData + recsize.cbLongValueData >= totalsize,
string.Format("JetGetRecordSize returned {0} bytes, expected {1}", recsize.cbData + recsize.cbLongValueData, totalsize));
}
public void Setup()
{
var s1 = new JET_RECSIZE
{
cbData = 0x11,
cbDataCompressed = 0x22,
cbLongValueData = 0x33,
cbLongValueDataCompressed = 0x44,
cbLongValueOverhead = 0x55,
cbOverhead = 0x66,
cCompressedColumns = 0x77,
cLongValues = 0x88,
cMultiValues = 0x99,
cNonTaggedColumns = 0xaa,
cTaggedColumns = 0xbb,
};
var s2 = new JET_RECSIZE
{
cbData = 0x1,
cbDataCompressed = 0x2,
cbLongValueData = 0x3,
cbLongValueDataCompressed = 0x4,
cbLongValueOverhead = 0x5,
cbOverhead = 0x6,
cCompressedColumns = 0x7,
cLongValues = 0x8,
cMultiValues = 0x9,
cNonTaggedColumns = 0xa,
cTaggedColumns = 0xb,
};
this.result = s1 - s2;
}
public void VerifyRecsizeCanBeSerialized()
{
var expected = new JET_RECSIZE {
cbData = 101
};
SerializeAndCompare(expected);
}
public void Setup()
{
this.managed = new JET_RECSIZE
{
cbData = 1,
cbLongValueData = 2,
cbLongValueOverhead = 3,
cbOverhead = 4,
cLongValues = 5,
cMultiValues = 6,
cNonTaggedColumns = 7,
cTaggedColumns = 8,
};
this.native = this.managed.GetNativeRecsize();
}
public void Setup()
{
this.managed = new JET_RECSIZE
{
cbData = 1,
cbLongValueData = 2,
cbLongValueOverhead = 3,
cbOverhead = 4,
cLongValues = 5,
cMultiValues = 6,
cNonTaggedColumns = 7,
cTaggedColumns = 8,
};
this.native = this.managed.GetNativeRecsize();
}
public void Setup()
{
this.native = new NATIVE_RECSIZE2
{
cbData = 1,
cbDataCompressed = 2,
cbLongValueData = 3,
cbLongValueDataCompressed = 4,
cbLongValueOverhead = 5,
cbOverhead = 6,
cCompressedColumns = 7,
cLongValues = 8,
cMultiValues = 9,
cNonTaggedColumns = 10,
cTaggedColumns = 11,
};
this.managed = new JET_RECSIZE();
this.managed.SetFromNativeRecsize(this.native);
}
public void Setup()
{
this.native = new NATIVE_RECSIZE2
{
cbData = 1,
cbDataCompressed = 2,
cbLongValueData = 3,
cbLongValueDataCompressed = 4,
cbLongValueOverhead = 5,
cbOverhead = 6,
cCompressedColumns = 7,
cLongValues = 8,
cMultiValues = 9,
cNonTaggedColumns = 10,
cTaggedColumns = 11,
};
this.managed = new JET_RECSIZE();
this.managed.SetFromNativeRecsize(this.native);
}
public void JetGetRecordSizeIntrinsic()
{
var size = new JET_RECSIZE();
byte[] data = Any.Bytes;
Api.JetBeginTransaction(this.sesid);
Api.JetPrepareUpdate(this.sesid, this.tableid, JET_prep.Insert);
Api.JetSetColumn(this.sesid, this.tableid, this.columnidLongText, data, data.Length, SetColumnGrbit.None, null);
this.UpdateAndGotoBookmark();
Api.JetGetRecordSize(this.sesid, this.tableid, ref size, GetRecordSizeGrbit.None);
Assert.AreEqual(data.Length, size.cbData, "cbData");
Assert.AreEqual(data.Length, size.cbDataCompressed, "cbDataCompressed");
Assert.AreEqual(0, size.cbLongValueData, "cbLongValueData");
Assert.AreEqual(0, size.cbLongValueDataCompressed, "cbLongValueDataCompressed");
Assert.AreEqual(0, size.cbLongValueOverhead, "cbLongValueOverhead");
Assert.AreNotEqual(0, size.cbOverhead, "cbOverhead");
Assert.AreEqual(0, size.cCompressedColumns, "cCompressedColumns");
Assert.AreEqual(0, size.cLongValues, "cLongValues");
Assert.AreEqual(0, size.cMultiValues, "cMultiValues");
Assert.AreEqual(0, size.cNonTaggedColumns, "cTaggedColumns");
Assert.AreEqual(1, size.cTaggedColumns, "cTaggedColumns");
}
public void GetRecordSizeOnVista()
{
if (!EsentVersion.SupportsVistaFeatures)
{
return;
}
string directory = SetupHelper.CreateRandomDirectory();
string database = Path.Combine(directory, "test.db");
using (var instance = new Instance("VistaGetRecordSize"))
{
instance.Parameters.Recovery = false;
instance.Parameters.NoInformationEvent = true;
instance.Parameters.MaxTemporaryTables = 0;
instance.Init();
using (var session = new Session(instance))
{
JET_DBID dbid;
Api.JetCreateDatabase(session, database, string.Empty, out dbid, CreateDatabaseGrbit.None);
using (var transaction = new Transaction(session))
{
JET_TABLEID tableid;
Api.JetCreateTable(session, dbid, "table", 0, 100, out tableid);
JET_COLUMNID columnid;
Api.JetAddColumn(
session,
tableid,
"column1",
new JET_COLUMNDEF {
coltyp = JET_coltyp.LongBinary
},
null,
0,
out columnid);
var size = new JET_RECSIZE();
byte[] data = Any.Bytes;
using (var update = new Update(session, tableid, JET_prep.Insert))
{
Api.SetColumn(session, tableid, columnid, data);
VistaApi.JetGetRecordSize(session, tableid, ref size, GetRecordSizeGrbit.Local | GetRecordSizeGrbit.InCopyBuffer);
update.SaveAndGotoBookmark();
}
VistaApi.JetGetRecordSize(session, tableid, ref size, GetRecordSizeGrbit.RunningTotal);
Assert.AreEqual(data.Length * 2, size.cbData, "cbData");
Assert.AreEqual(data.Length * 2, size.cbDataCompressed, "cbDataCompressed");
Assert.AreEqual(0, size.cbLongValueData, "cbLongValueData");
Assert.AreEqual(0, size.cbLongValueDataCompressed, "cbLongValueDataCompressed");
Assert.AreEqual(0, size.cbLongValueOverhead, "cbLongValueOverhead");
Assert.AreNotEqual(0, size.cbOverhead, "cbOverhead");
Assert.AreEqual(0, size.cCompressedColumns, "cCompressedColumns");
Assert.AreEqual(0, size.cLongValues, "cLongValues");
Assert.AreEqual(0, size.cMultiValues, "cMultiValues");
Assert.AreEqual(0, size.cNonTaggedColumns, "cTaggedColumns");
Assert.AreEqual(2, size.cTaggedColumns, "cTaggedColumns");
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
}
}
Cleanup.DeleteDirectoryWithRetry(directory);
}
public void VerifyXpThrowsExceptionOnJetGetRecordSize()
{
JET_RECSIZE recsize = new JET_RECSIZE();
VistaApi.JetGetRecordSize(JET_SESID.Nil, JET_TABLEID.Nil, ref recsize, GetRecordSizeGrbit.None);
}
/// <summary>
/// Retrieves record size information from the desired location.
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">
/// The cursor that will be used for the API call. The cursor must be
/// positioned on a record, or have an update prepared.
/// </param>
/// <param name="recsize">Returns the size of the record.</param>
/// <param name="grbit">Call options.</param>
public static void JetGetRecordSize(JET_SESID sesid, JET_TABLEID tableid, ref JET_RECSIZE recsize, GetRecordSizeGrbit grbit)
{
Api.Check(Api.Impl.JetGetRecordSize(sesid, tableid, ref recsize, grbit));
}
// verifies that the data in the record matches the expected values
private void CheckColumns(JET_SESID sesid, JET_TABLEID tableid, byte[][] expectedData)
{
byte[][] actualData;
actualData = this.GetColumnsWithJetRetrieveColumn(sesid, tableid);
this.CompareColumns(actualData, expectedData);
actualData = this.GetColumnsWithJetRetrieveColumns(sesid, tableid);
this.CompareColumns(actualData, expectedData);
int totalsize = 0;
foreach (var columndata in actualData)
{
if (columndata != null)
{
totalsize += columndata.Length;
}
}
// BUGBUG: need to investigate why this gives a value which is larger than the sum of the column sizes
var recsize = new JET_RECSIZE();
VistaApi.JetGetRecordSize(sesid, tableid, ref recsize, GetRecordSizeGrbit.None);
BasicClass.Assert(
recsize.cbData + recsize.cbLongValueData >= totalsize,
String.Format("JetGetRecordSize returned {0} bytes, expected {1}", recsize.cbData + recsize.cbLongValueData, totalsize));
}
/// <summary>
/// Retrieves record size information from the desired location.
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">
/// The cursor that will be used for the API call. The cursor must be
/// positioned on a record, or have an update prepared.
/// </param>
/// <param name="recsize">Returns the size of the record.</param>
/// <param name="grbit">Call options.</param>
public static void JetGetRecordSize(JET_SESID sesid, JET_TABLEID tableid, ref JET_RECSIZE recsize, GetRecordSizeGrbit grbit)
{
Api.Check(Api.Impl.JetGetRecordSize(sesid, tableid, ref recsize, grbit));
}
public void JetGetRecordSizeSeparated()
{
var size = new JET_RECSIZE();
byte[] data = Any.BytesOfLength(64);
Api.JetBeginTransaction(this.sesid);
Api.JetPrepareUpdate(this.sesid, this.tableid, JET_prep.Insert);
Api.JetSetColumn(this.sesid, this.tableid, this.columnidLongText, data, data.Length, SetColumnGrbit.SeparateLV, null);
Api.JetGetRecordSize(this.sesid, this.tableid, ref size, GetRecordSizeGrbit.InCopyBuffer);
this.UpdateAndGotoBookmark();
Api.JetGetRecordSize(this.sesid, this.tableid, ref size, GetRecordSizeGrbit.RunningTotal);
Assert.AreEqual(0, size.cbData, "cbData");
Assert.AreEqual(0, size.cbDataCompressed, "cbDataCompressed");
Assert.AreEqual(data.Length * 2, size.cbLongValueData, "cbLongValueData");
Assert.AreEqual(data.Length * 2, size.cbLongValueDataCompressed, "cbLongValueDataCompressed");
Assert.AreNotEqual(0, size.cbLongValueOverhead, "cbLongValueOverhead");
Assert.AreNotEqual(0, size.cbOverhead, "cbOverhead");
Assert.AreEqual(0, size.cCompressedColumns, "cCompressedColumns");
Assert.AreEqual(2, size.cLongValues, "cLongValues");
Assert.AreEqual(0, size.cMultiValues, "cMultiValues");
Assert.AreEqual(0, size.cNonTaggedColumns, "cTaggedColumns");
Assert.AreEqual(2, size.cTaggedColumns, "cTaggedColumns");
}
public void VerifyXpThrowsExceptionOnJetGetRecordSize()
{
JET_RECSIZE recsize = new JET_RECSIZE();
VistaApi.JetGetRecordSize(JET_SESID.Nil, JET_TABLEID.Nil, ref recsize, GetRecordSizeGrbit.None);
}
public void GetRecordSizeOnVista()
{
if (!EsentVersion.SupportsVistaFeatures)
{
return;
}
string directory = SetupHelper.CreateRandomDirectory();
string database = Path.Combine(directory, "test.db");
using (var instance = new Instance("VistaGetRecordSize"))
{
instance.Parameters.Recovery = false;
instance.Parameters.NoInformationEvent = true;
instance.Parameters.MaxTemporaryTables = 0;
instance.Init();
using (var session = new Session(instance))
{
JET_DBID dbid;
Api.JetCreateDatabase(session, database, String.Empty, out dbid, CreateDatabaseGrbit.None);
using (var transaction = new Transaction(session))
{
JET_TABLEID tableid;
Api.JetCreateTable(session, dbid, "table", 0, 100, out tableid);
JET_COLUMNID columnid;
Api.JetAddColumn(
session,
tableid,
"column1",
new JET_COLUMNDEF { coltyp = JET_coltyp.LongBinary },
null,
0,
out columnid);
var size = new JET_RECSIZE();
byte[] data = Any.Bytes;
using (var update = new Update(session, tableid, JET_prep.Insert))
{
Api.SetColumn(session, tableid, columnid, data);
VistaApi.JetGetRecordSize(session, tableid, ref size, GetRecordSizeGrbit.Local | GetRecordSizeGrbit.InCopyBuffer);
update.SaveAndGotoBookmark();
}
VistaApi.JetGetRecordSize(session, tableid, ref size, GetRecordSizeGrbit.RunningTotal);
Assert.AreEqual(data.Length * 2, size.cbData, "cbData");
Assert.AreEqual(data.Length * 2, size.cbDataCompressed, "cbDataCompressed");
Assert.AreEqual(0, size.cbLongValueData, "cbLongValueData");
Assert.AreEqual(0, size.cbLongValueDataCompressed, "cbLongValueDataCompressed");
Assert.AreEqual(0, size.cbLongValueOverhead, "cbLongValueOverhead");
Assert.AreNotEqual(0, size.cbOverhead, "cbOverhead");
Assert.AreEqual(0, size.cCompressedColumns, "cCompressedColumns");
Assert.AreEqual(0, size.cLongValues, "cLongValues");
Assert.AreEqual(0, size.cMultiValues, "cMultiValues");
Assert.AreEqual(0, size.cNonTaggedColumns, "cTaggedColumns");
Assert.AreEqual(2, size.cTaggedColumns, "cTaggedColumns");
transaction.Commit(CommitTransactionGrbit.LazyFlush);
}
}
}
Cleanup.DeleteDirectoryWithRetry(directory);
}
public void JetGetRecordSizeIntrinsic()
{
if (!EsentVersion.SupportsVistaFeatures)
{
return;
}
var size = new JET_RECSIZE();
byte[] data = Any.Bytes;
Api.JetBeginTransaction(this.sesid);
Api.JetPrepareUpdate(this.sesid, this.tableid, JET_prep.Insert);
Api.JetSetColumn(this.sesid, this.tableid, this.columnidLongText, data, data.Length, SetColumnGrbit.None, null);
this.UpdateAndGotoBookmark();
VistaApi.JetGetRecordSize(this.sesid, this.tableid, ref size, GetRecordSizeGrbit.None);
Assert.AreEqual(data.Length, size.cbData, "cbData");
Assert.AreEqual(data.Length, size.cbDataCompressed, "cbDataCompressed");
Assert.AreEqual(0, size.cbLongValueData, "cbLongValueData");
Assert.AreEqual(0, size.cbLongValueDataCompressed, "cbLongValueDataCompressed");
Assert.AreEqual(0, size.cbLongValueOverhead, "cbLongValueOverhead");
Assert.AreNotEqual(0, size.cbOverhead, "cbOverhead");
Assert.AreEqual(0, size.cCompressedColumns, "cCompressedColumns");
Assert.AreEqual(0, size.cLongValues, "cLongValues");
Assert.AreEqual(0, size.cMultiValues, "cMultiValues");
Assert.AreEqual(0, size.cNonTaggedColumns, "cTaggedColumns");
Assert.AreEqual(1, size.cTaggedColumns, "cTaggedColumns");
}
