/// <summary>
/// Validate values using prepared statement metadata
/// </summary>
private void ValidateValues(object[] values)
{
if (values == null)
{
return;
}
if (PreparedStatement.Metadata == null || PreparedStatement.Metadata.Columns == null || PreparedStatement.Metadata.Columns.Length == 0)
{
return;
}
var paramsMetadata = PreparedStatement.Metadata.Columns;
if (values.Length > paramsMetadata.Length)
{
throw new ArgumentException(
String.Format("Provided {0} parameters to bind, expected {1}", values.Length, paramsMetadata.Length));
}
for (var i = 0; i < values.Length; i++)
{
var p = paramsMetadata[i];
var value = values[i];
if (!TypeCodec.IsAssignableFrom(p, value))
{
throw new InvalidTypeException(
String.Format("It is not possible to encode a value of type {0} to a CQL type {1}", value.GetType(), p.TypeCode));
}
}
}
/// <summary>
/// Validate values using prepared statement metadata,
/// returning a new instance of values to be used as parameters.
/// </summary>
private object[] ValidateValues(object[] values)
{
if (values == null)
{
return(null);
}
if (PreparedStatement.Metadata == null || PreparedStatement.Metadata.Columns == null || PreparedStatement.Metadata.Columns.Length == 0)
{
return(values);
}
var paramsMetadata = PreparedStatement.Metadata.Columns;
if (values.Length > paramsMetadata.Length)
{
throw new ArgumentException(
String.Format("Provided {0} parameters to bind, expected {1}", values.Length, paramsMetadata.Length));
}
for (var i = 0; i < values.Length; i++)
{
var p = paramsMetadata[i];
var value = values[i];
if (!TypeCodec.IsAssignableFrom(p, value))
{
throw new InvalidTypeException(
String.Format("It is not possible to encode a value of type {0} to a CQL type {1}", value.GetType(), p.TypeCode));
}
}
if (values.Length < paramsMetadata.Length && ProtocolVersion >= 4)
{
//Set the result of the unspecified parameters to Unset
var completeValues = new object[paramsMetadata.Length];
values.CopyTo(completeValues, 0);
for (var i = values.Length; i < paramsMetadata.Length; i++)
{
completeValues[i] = Unset.Value;
}
values = completeValues;
}
return(values);
}
