/// <summary>
/// Recursive SetColumns method for data pinning. This populates the buffer and
/// calls the inherited SetColumns method.
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">
/// The table to set the columns in. An update should be prepared.
/// </param>
/// <param name="columnValues">
/// Column values to set.
/// </param>
/// <param name="nativeColumns">
/// Structures to put the pinned data in.
/// </param>
/// <param name="i">Offset of this object in the array.</param>
/// <returns>An error code.</returns>
internal override unsafe int SetColumns(JET_SESID sesid, JET_TABLEID tableid, ColumnValue[] columnValues, NATIVE_SETCOLUMN *nativeColumns, int i)
{
if (null != this.Value)
{
fixed(void *buffer = this.Value)
{
return(this.SetColumns(
sesid, tableid, columnValues, nativeColumns, i, buffer, this.Value.Length, true));
}
}
return(this.SetColumns(sesid, tableid, columnValues, nativeColumns, i, null, 0, false));
}
/// <summary>
/// Recursive SetColumns method for data pinning. This populates the buffer and
/// calls the inherited SetColumns method.
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">
/// The table to set the columns in. An update should be prepared.
/// </param>
/// <param name="columnValues">
/// Column values to set.
/// </param>
/// <param name="nativeColumns">
/// Structures to put the pinned data in.
/// </param>
/// <param name="i">Offset of this object in the array.</param>
/// <returns>An error code.</returns>
internal override unsafe int SetColumns(JET_SESID sesid, JET_TABLEID tableid, ColumnValue[] columnValues, NATIVE_SETCOLUMN *nativeColumns, int i)
{
var data = this.Value.GetValueOrDefault().ToOADate();
return(this.SetColumns(sesid, tableid, columnValues, nativeColumns, i, &data, sizeof(double), this.Value.HasValue));
}
/// <summary>
/// Recursive SetColumns method for data pinning. This populates the buffer and
/// calls the inherited SetColumns method.
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">
/// The table to set the columns in. An update should be prepared.
/// </param>
/// <param name="columnValues">
/// Column values to set.
/// </param>
/// <param name="nativeColumns">
/// Structures to put the pinned data in.
/// </param>
/// <param name="i">Offset of this object in the array.</param>
/// <returns>An error code.</returns>
internal override unsafe int SetColumns(JET_SESID sesid, JET_TABLEID tableid, ColumnValue[] columnValues, NATIVE_SETCOLUMN *nativeColumns, int i)
{
byte data = this.Value.GetValueOrDefault() ? (byte)0xFF : (byte)0x00;
return(this.SetColumns(sesid, tableid, columnValues, nativeColumns, i, &data, sizeof(byte), this.Value.HasValue));
}
/// <summary>
/// Recursive SetColumns method for data pinning. This populates the buffer and
/// calls the inherited SetColumns method.
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">
/// The table to set the columns in. An update should be prepared.
/// </param>
/// <param name="columnValues">
/// Column values to set.
/// </param>
/// <param name="nativeColumns">
/// Structures to put the pinned data in.
/// </param>
/// <param name="i">Offset of this object in the array.</param>
/// <returns>An error code.</returns>
internal override unsafe int SetColumns(JET_SESID sesid, JET_TABLEID tableid, ColumnValue[] columnValues, NATIVE_SETCOLUMN *nativeColumns, int i)
{
byte[] data = this.Value.GetValueOrDefault().ToByteArray();
fixed(void *buffer = data)
{
return(this.SetColumns(
sesid, tableid, columnValues, nativeColumns, i, buffer, data.Length, this.Value.HasValue));
}
}
public static unsafe extern int JetSetColumns(
IntPtr sesid, IntPtr tableid, [In][Out] NATIVE_SETCOLUMN *psetcolumn, uint csetcolumn);
/// <summary> /// Recursive SetColumns method for data pinning. This should populate the buffer and /// call the inherited SetColumns method. /// </summary> /// <param name="sesid">The session to use.</param> /// <param name="tableid"> /// The table to set the columns in. An update should be prepared. /// </param> /// <param name="columnValues"> /// Column values to set. /// </param> /// <param name="nativeColumns"> /// Structures to put the pinned data in. /// </param> /// <param name="i">Offset of this object in the array.</param> /// <returns>An error code.</returns> internal abstract unsafe int SetColumns(JET_SESID sesid, JET_TABLEID tableid, ColumnValue[] columnValues, NATIVE_SETCOLUMN *nativeColumns, int i);
