relx::query::DistinctExpr< Expr > Class Template Reference

DISTINCT qualifier for an expression. More...

#include <relx/query/function.hpp>

Inheritance diagram for relx::query::DistinctExpr< Expr >:

Public Member Functions
	DistinctExpr (Expr expr)
std::string	to_sql () const override
std::vector< std::string >	bind_params () const override
std::string	column_name () const override
std::string	table_name () const override
Public Member Functions inherited from relx::query::ColumnExpression
virtual	~ColumnExpression ()=default
virtual std::string	qualified_name () const
Public Member Functions inherited from relx::query::SqlExpression
virtual	~SqlExpression ()=default

Detailed Description

template<SqlExpr Expr>
class relx::query::DistinctExpr< Expr >

DISTINCT qualifier for an expression.

Template Parameters

Expr	The expression type

Parameters

expr	The expression to apply DISTINCT to

Returns

A SqlExpression representing DISTINCT expr

Definition at line 226 of file function.hpp.

Constructor & Destructor Documentation

DistinctExpr()

template<SqlExpr Expr>

relx::query::DistinctExpr< Expr >::DistinctExpr ( Expr  expr )

inlineexplicit

Definition at line 228 of file function.hpp.

Member Function Documentation

bind_params()

template<SqlExpr Expr>

std::vector< std::string > relx::query::DistinctExpr< Expr >::bind_params ( ) const

inlineoverridevirtual

Implements relx::query::SqlExpression.

Definition at line 232 of file function.hpp.

column_name()

template<SqlExpr Expr>

std::string relx::query::DistinctExpr< Expr >::column_name ( ) const

inlineoverridevirtual

Implements relx::query::ColumnExpression.

Definition at line 234 of file function.hpp.

table_name()

template<SqlExpr Expr>

std::string relx::query::DistinctExpr< Expr >::table_name ( ) const

inlineoverridevirtual

Implements relx::query::ColumnExpression.

Definition at line 242 of file function.hpp.

to_sql()

template<SqlExpr Expr>

std::string relx::query::DistinctExpr< Expr >::to_sql ( ) const

inlineoverridevirtual

Implements relx::query::SqlExpression.

Definition at line 230 of file function.hpp.

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

• relx/query/function.hpp