/// <summary>
/// If the value is null, populate the parameter with an QueryParameterValue. Otherwise,
/// throw an exception - this is expected to be the last call in a chain, so at this point we know
/// we can't handle a value of this type.
/// </summary>
internal static QueryParameter UseNullScalarOrThrow(this QueryParameter parameter, object value)
{
if (value == null)
{
parameter.ParameterValue = new QueryParameterValue();
return(parameter);
}
var clrEnum = EnumMap <BigqueryParameterType> .ToValue(parameter.ParameterType.Type);
throw new InvalidOperationException($"Value of type {value.GetType()} cannot be used for a parameter of type {clrEnum}");
}
/// <summary> /// Returns the mode of a field as a <see cref="FieldMode"/>. /// </summary> internal static FieldMode GetFieldMode(this TableFieldSchema field) => EnumMap <FieldMode> .ToValue(field.Mode);
/// <summary> /// Returns the type of a field as a <see cref="BigqueryDbType"/>. /// </summary> internal static BigqueryDbType GetFieldType(this TableFieldSchema field) => EnumMap <BigqueryDbType> .ToValue(field.Type);