GncDbiSqlResult Class Reference

An iterable wrapper for dbi_result; allows using C++11 range for. More...

#include <gnc-dbisqlresult.hpp>

Inheritance diagram for GncDbiSqlResult:

Data Structures
class	IteratorImpl

Public Member Functions
	GncDbiSqlResult (const GncDbiSqlConnection *conn, dbi_result result)
uint64_t	size () const noexcept
int	dberror () const noexcept
GncSqlRow &	begin ()
GncSqlRow &	end ()

Additional Inherited Members
Data Fields inherited from GncSqlResult
friend	GncSqlRow

Detailed Description

An iterable wrapper for dbi_result; allows using C++11 range for.

Definition at line 39 of file gnc-dbisqlresult.hpp.

Constructor & Destructor Documentation

GncDbiSqlResult()

GncDbiSqlResult::GncDbiSqlResult ( const GncDbiSqlConnection *  conn, dbi_result  result  )

inline

Definition at line 42 of file gnc-dbisqlresult.hpp.

                                                                        :
        m_conn{conn}, m_dbi_result{result}, m_iter{this}, m_row{&m_iter},
        m_sentinel{nullptr} {}

~GncDbiSqlResult()

GncDbiSqlResult::~GncDbiSqlResult

(

)

Definition at line 43 of file gnc-dbisqlresult.cpp.

{
    int status = dbi_result_free (m_dbi_result);
 
    if (status == 0)
        return;
 
    PERR ("Error %d in dbi_result_free() result.", m_conn->dberror() );
    qof_backend_set_error (m_conn->qbe(), ERR_BACKEND_SERVER_ERR);
}

Member Function Documentation

begin()

GncSqlRow & GncDbiSqlResult::begin ( )

virtual

Implements GncSqlResult.

Definition at line 61 of file gnc-dbisqlresult.cpp.

{
 
    if (m_dbi_result == nullptr ||
        dbi_result_get_numrows(m_dbi_result) == 0)
        return m_sentinel;
    int status = dbi_result_first_row(m_dbi_result);
    if (status)
        return m_row;
    int error = dberror(); //
 
    if (error != DBI_ERROR_BADIDX) //otherwise just an empty result set
    {
        PERR ("Error %d in dbi_result_first_row()", dberror());
        qof_backend_set_error (m_conn->qbe(), ERR_BACKEND_SERVER_ERR);
    }
    return m_sentinel;
}

dberror()

int GncDbiSqlResult::dberror ( ) const

noexcept

Definition at line 55 of file gnc-dbisqlresult.cpp.

{
    return m_conn->dberror();
}

end()

GncSqlRow & GncDbiSqlResult::end ( )

inlinevirtual

Implements GncSqlResult.

Definition at line 49 of file gnc-dbisqlresult.hpp.

{ return m_sentinel; }

size()

uint64_t GncDbiSqlResult::size ( ) const

virtualnoexcept

Implements GncSqlResult.

Definition at line 81 of file gnc-dbisqlresult.cpp.

{
    return dbi_result_get_numrows(m_dbi_result);
}

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

• gnc-dbisqlresult.hpp
• gnc-dbisqlresult.cpp