relx::query::CoalesceExpr< First, Second, Rest > Class Template Reference

COALESCE function. More...

#include <relx/query/function.hpp>

Inheritance diagram for relx::query::CoalesceExpr< First, Second, Rest >:

Public Member Functions
	CoalesceExpr (First first, Second second, Rest... rest)
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 First, SqlExpr Second, SqlExpr... Rest>
class relx::query::CoalesceExpr< First, Second, Rest >

COALESCE function.

Template Parameters

First	The first expression type
Second	The second expression type
Rest	The types of the remaining expressions

Parameters

first	The first expression
second	The second expression
rest	The remaining expressions

Returns

A SqlExpression representing COALESCE(first, second, ...)

Definition at line 355 of file function.hpp.

Constructor & Destructor Documentation

CoalesceExpr()

template<SqlExpr First, SqlExpr Second, SqlExpr... Rest>

relx::query::CoalesceExpr< First, Second, Rest >::CoalesceExpr ( First  first, Second  second, Rest...  rest  )

inline

Definition at line 357 of file function.hpp.

Member Function Documentation

bind_params()

template<SqlExpr First, SqlExpr Second, SqlExpr... Rest>

std::vector< std::string > relx::query::CoalesceExpr< First, Second, Rest >::bind_params ( ) const

inlineoverridevirtual

Implements relx::query::SqlExpression.

Definition at line 371 of file function.hpp.

column_name()

template<SqlExpr First, SqlExpr Second, SqlExpr... Rest>

std::string relx::query::CoalesceExpr< First, Second, Rest >::column_name ( ) const

inlineoverridevirtual

Implements relx::query::ColumnExpression.

Definition at line 390 of file function.hpp.

table_name()

template<SqlExpr First, SqlExpr Second, SqlExpr... Rest>

std::string relx::query::CoalesceExpr< First, Second, Rest >::table_name ( ) const

inlineoverridevirtual

Implements relx::query::ColumnExpression.

Definition at line 392 of file function.hpp.

to_sql()

template<SqlExpr First, SqlExpr Second, SqlExpr... Rest>

std::string relx::query::CoalesceExpr< First, Second, Rest >::to_sql ( ) const

inlineoverridevirtual

Implements relx::query::SqlExpression.

Definition at line 361 of file function.hpp.

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

• relx/query/function.hpp