Type checking for arithmetic operations. More...

Classes
struct	extract_arithmetic_type
	Helper to extract column type for arithmetic checking. More...

struct	extract_arithmetic_type< schema::column< TableT, Name, ColumnT, Modifiers... > >

struct	remove_optional
	Helper to extract base type from optional. More...

struct	remove_optional< std::optional< T > >

Concepts
concept	Arithmetic
	Concept for numeric types suitable for arithmetic operations.

Typedefs
template<typename T >
using	extract_arithmetic_type_t = typename extract_arithmetic_type< T >::type

template<typename T >
using	remove_optional_t = typename remove_optional< T >::type

Variables
constexpr std::string_view	arithmetic_error_message
	Error message for invalid arithmetic operations.

Detailed Description

Type checking for arithmetic operations.

Typedef Documentation

◆ extract_arithmetic_type_t

template<typename T >

using relx::query::arithmetic_checking::extract_arithmetic_type_t = typedef typename extract_arithmetic_type<T>::type

Definition at line 33 of file arithmetic.hpp.

◆ remove_optional_t

template<typename T >

using relx::query::arithmetic_checking::remove_optional_t = typedef typename remove_optional<T>::type

Definition at line 47 of file arithmetic.hpp.

Variable Documentation

◆ arithmetic_error_message

constexpr std::string_view relx::query::arithmetic_checking::arithmetic_error_message

inlineconstexpr

Initial value:

=
    "Arithmetic operations (+, -, *, /) can only be performed on numeric columns (int, long, "
    "float, double, etc.). "
    "String, boolean, and other non-numeric types cannot be used in arithmetic expressions."

Error message for invalid arithmetic operations.

Definition at line 50 of file arithmetic.hpp.

Classes

Concepts