private async Task <bool> ReadImpl(AsyncWrappingCommonArgs async)
{
CheckState();
var retValue = false;
if (IsCommandBehavior(CommandBehavior.SingleRow) && _position != StartPosition)
{
}
else
{
if (IsCommandBehavior(CommandBehavior.SchemaOnly))
{
}
else
{
using (async.EnterExplicitCancel(_command.Cancel))
{
_row = await _command.Fetch(async).ConfigureAwait(false);
if (_row != null)
{
_position++;
retValue = true;
}
else
{
_eof = true;
}
}
}
}
return(retValue);
}
internal async Task <int> ExecuteNonQueryImpl(AsyncWrappingCommonArgs async)
{
CheckCommand();
try
{
using (async.EnterExplicitCancel(Cancel))
{
await ExecuteCommand(CommandBehavior.Default, false, async).ConfigureAwait(false);
if (_statement.StatementType == DbStatementType.StoredProcedure)
{
await SetOutputParameters(async).ConfigureAwait(false);
}
await CommitImplicitTransaction(async).ConfigureAwait(false);
}
}
catch (IscException ex)
{
await RollbackImplicitTransaction(async).ConfigureAwait(false);
throw FbException.Create(ex);
}
catch
{
await RollbackImplicitTransaction(async).ConfigureAwait(false);
throw;
}
return(_statement.StatementType switch
{
DbStatementType.Insert => RecordsAffected,
DbStatementType.Update => RecordsAffected,
DbStatementType.Delete => RecordsAffected,
_ => - 1,
});
internal async Task PrepareImpl(AsyncWrappingCommonArgs async)
{
CheckCommand();
try
{
using (async.EnterExplicitCancel(Cancel))
{
await Prepare(false, async).ConfigureAwait(false);
}
}
catch (IscException ex)
{
await RollbackImplicitTransaction(async).ConfigureAwait(false);
throw FbException.Create(ex);
}
catch
{
await RollbackImplicitTransaction(async).ConfigureAwait(false);
throw;
}
}