GncSqlSchedXactionBackend Class Reference

Inheritance diagram for GncSqlSchedXactionBackend:

Public Member Functions
void	load_all (GncSqlBackend *) override
	Load all objects of m_type in the database into memory. More...
bool	commit (GncSqlBackend *sql_be, QofInstance *inst) override
	UPDATE/INSERT a single instance of m_type_name into the database. More...
Public Member Functions inherited from GncSqlObjectBackend
	GncSqlObjectBackend (int version, const std::string &type, const std::string &table, const EntryVec &vec)
virtual void	create_tables (GncSqlBackend *sql_be)
	Conditionally create or update a database table from m_col_table. More...
virtual bool	write (GncSqlBackend *sql_be)
	Write all objects of m_type_name to the database. More...
const char *	type () const noexcept
	Return the m_type_name for the class. More...
const bool	is_version (int version) const noexcept
	Compare a version with the compiled version (m_version). More...
bool	instance_in_db (const GncSqlBackend *sql_be, QofInstance *inst) const noexcept
	Check the presence of an object in the backend's database. More...

Additional Inherited Members
Protected Attributes inherited from GncSqlObjectBackend
const std::string	m_table_name
const int	m_version
const std::string	m_type_name
const EntryVec &	m_col_table
	The front-end QofIdType.

Detailed Description

Definition at line 35 of file gnc-schedxaction-sql.h.

Member Function Documentation

commit()

bool GncSqlSchedXactionBackend::commit ( GncSqlBackend *  sql_be, QofInstance *  inst  )

overridevirtual

UPDATE/INSERT a single instance of m_type_name into the database.

Parameters

sql_be	The GncSqlBackend containing the database.
inst	The QofInstance to be written out.

Reimplemented from GncSqlObjectBackend.

Definition at line 152 of file gnc-schedxaction-sql.cpp.

{
    SchedXaction* pSx;
    const GncGUID* guid;
    E_DB_OPERATION op;
    gboolean is_infant;
    gboolean is_ok;

    g_return_val_if_fail (sql_be != NULL, FALSE);
    g_return_val_if_fail (inst != NULL, FALSE);
    g_return_val_if_fail (GNC_IS_SX (inst), FALSE);

    pSx = GNC_SX (inst);

    is_infant = qof_instance_get_infant (inst);
    if (qof_instance_get_destroying (inst))
    {
        op = OP_DB_DELETE;
    }
    else if (sql_be->pristine() || is_infant)
    {
        op = OP_DB_INSERT;
    }
    else
    {
        op = OP_DB_UPDATE;
    }
    is_ok = sql_be->do_db_operation(op, SCHEDXACTION_TABLE, GNC_SX_ID, pSx,
                                    col_table);
    guid = qof_instance_get_guid (inst);
    if (op == OP_DB_INSERT || op == OP_DB_UPDATE)
    {
        gnc_sql_recurrence_save_list (sql_be, guid, gnc_sx_get_schedule (pSx));
    }
    else
    {
        gnc_sql_recurrence_delete (sql_be, guid);
    }

    if (is_ok)
    {
        // Now, commit any slots
        if (op == OP_DB_INSERT || op == OP_DB_UPDATE)
        {
            is_ok = gnc_sql_slots_save (sql_be, guid, is_infant, inst);
        }
        else
        {
            is_ok = gnc_sql_slots_delete (sql_be, guid);
        }
    }

    return is_ok;
}

load_all()

void GncSqlSchedXactionBackend::load_all ( GncSqlBackend *  sql_be )

overridevirtual

Load all objects of m_type in the database into memory.

Parameters

sql_be

The GncSqlBackend containing the database connection.

Implements GncSqlObjectBackend.

Definition at line 123 of file gnc-schedxaction-sql.cpp.

{
    g_return_if_fail (sql_be != NULL);

    std::string sql("SELECT * FROM " SCHEDXACTION_TABLE);
    auto stmt = sql_be->create_statement_from_sql(sql);
    if (stmt == nullptr) return;
    auto result = sql_be->execute_select_statement(stmt);
    SchedXactions* sxes;
    sxes = gnc_book_get_schedxactions (sql_be->book());

    for (auto row : *result)
    {
        SchedXaction* sx;

        sx = load_single_sx (sql_be, row);
        if (sx != nullptr)
            gnc_sxes_add_sx (sxes, sx);
    }
    std::string pkey(col_table[0]->name());
    sql = "SELECT DISTINCT ";
    sql += pkey + " FROM " SCHEDXACTION_TABLE;
    gnc_sql_slots_load_for_sql_subquery (sql_be, sql,
                     (BookLookupFn)gnc_sx_lookup);
}

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

• gnc-schedxaction-sql.h
• gnc-schedxaction-sql.cpp