Expression MakeSqlValue(Expression exp)
{
if (exp == null)
return null;
if (!inSql || !IsBooleanExpression(exp))
return exp;
if (exp.NodeType == ExpressionType.Constant)
{
switch (((bool?)((ConstantExpression)exp).Value))
{
case false: return new SqlConstantExpression(0, exp.Type);
case true: return new SqlConstantExpression(1, exp.Type);
case null: return new SqlConstantExpression(null, exp.Type);
}
throw new InvalidOperationException("Entity");
}
if (!IsSqlCondition(exp))
return exp;
var result = new CaseExpression(new[] { new When(exp, new SqlConstantExpression(true)) }, new SqlConstantExpression(false));
return exp.Type.IsNullable() ? result.Nullify() : result;
}
Expression?MakeSqlValue(Expression?exp)
{
if (exp == null)
{
return(null !);
}
if (!inSql || !IsBooleanExpression(exp))
{
return(exp);
}
if (exp.NodeType == ExpressionType.Constant)
{
switch (((bool?)((ConstantExpression)exp).Value))
{
case false: return(new SqlConstantExpression(0, exp.Type));
case true: return(new SqlConstantExpression(1, exp.Type));
case null: return(new SqlConstantExpression(null, exp.Type));
}
}
if (!IsSqlCondition(exp))
{
return(exp);
}
var result = new CaseExpression(new[] { new When(exp, new SqlConstantExpression(true)) }, new SqlConstantExpression(false));
return(exp.Type.IsNullable() ? result.Nullify() : result);
}
