iron_query::Column Struct Reference

SQL table column. More...

#include <column.hpp>

Public Member Functions
	operator Expr () const
	Converts this column reference into an Expr wrapping its name.
Expr	ToExpr () const
	Explicitly converts this column reference into an Expr wrapping its name, for calling Expr members Column has no dedicated overload for (e.g. col.ToExpr().IsNull(), col.ToExpr().Between(a, b)).
SelectItem	As (std::string_view alias) const
	Names this column in a SELECT list: this AS alias.

Public Attributes
std::string	name
	Column name.
std::string	type
bool	is_nullable {false}
	Whether column value can be NULL.

Detailed Description

SQL table column.

Member Function Documentation

As()

SelectItem iron_query::Column::As

(

std::string_view

alias

)

const

Names this column in a SELECT list: this AS alias.

Exceptions

InvalidIdentifier

if alias is not a valid identifier.

Member Data Documentation

type

std::string iron_query::Column::type

Type as defined in current SQL dialect

Note

This field is metadata only: IQ never consults it to validate that a compared/assigned Expr matches the column's declared type (see Expr's class-level

).

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The documentation for this struct was generated from the following file:

• include/iron_query/column.hpp