private SqlExpression ApplyTypeMappingOnSqlUnary(
SqlUnaryExpression sqlUnaryExpression, CoreTypeMapping typeMapping)
{
SqlExpression operand;
CoreTypeMapping resultTypeMapping;
switch (sqlUnaryExpression.OperatorType)
{
case ExpressionType.Equal:
case ExpressionType.NotEqual:
case ExpressionType.Not:
resultTypeMapping = _boolTypeMapping;
operand = ApplyDefaultTypeMapping(sqlUnaryExpression.Operand);
break;
case ExpressionType.Convert:
resultTypeMapping = typeMapping;
operand = ApplyDefaultTypeMapping(sqlUnaryExpression.Operand);
break;
case ExpressionType.Negate:
resultTypeMapping = typeMapping;
operand = ApplyTypeMapping(sqlUnaryExpression.Operand, typeMapping);
break;
default:
throw new InvalidOperationException(CoreStrings.TranslationFailed(sqlUnaryExpression.Print()));
}
return(new SqlUnaryExpression(
sqlUnaryExpression.OperatorType,
operand,
sqlUnaryExpression.Type,
resultTypeMapping));
}
private SqlExpression ApplyTypeMappingOnSqlUnary(
SqlUnaryExpression sqlUnaryExpression, CoreTypeMapping typeMapping)
{
SqlExpression operand;
Type resultType;
CoreTypeMapping resultTypeMapping;
switch (sqlUnaryExpression.OperatorType)
{
case ExpressionType.Equal:
case ExpressionType.NotEqual:
case ExpressionType.Not
when sqlUnaryExpression.IsLogicalNot():
{
resultTypeMapping = _boolTypeMapping;
resultType = typeof(bool);
operand = ApplyDefaultTypeMapping(sqlUnaryExpression.Operand);
break;
}
case ExpressionType.Convert:
resultTypeMapping = typeMapping;
// Since we are applying convert, resultTypeMapping decides the clrType
resultType = resultTypeMapping?.ClrType ?? sqlUnaryExpression.Type;
operand = ApplyDefaultTypeMapping(sqlUnaryExpression.Operand);
break;
case ExpressionType.Not:
case ExpressionType.Negate:
resultTypeMapping = typeMapping;
// While Not is logical, negate is numeric hence we use clrType from TypeMapping
resultType = resultTypeMapping?.ClrType ?? sqlUnaryExpression.Type;
operand = ApplyTypeMapping(sqlUnaryExpression.Operand, typeMapping);
break;
default:
throw new InvalidOperationException(CoreStrings.TranslationFailed(sqlUnaryExpression.Print()));
}
return(new SqlUnaryExpression(sqlUnaryExpression.OperatorType, operand, resultType, resultTypeMapping));
}
