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Add a mechanism so that the business sql backend module can provide the main sql backend with the order in which objects should be loaded. This will allow billterms and taxtables to be loaded before objects which contain references to those objects.

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@18852 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Phil Longstaff 2010-03-06 11:02:09 +00:00
parent 5396817936
commit 0c944231f6
3 changed files with 41 additions and 4 deletions
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30
src/backend/sql/gnc-backend-sql.c
View File

@ -137,9 +137,18 @@ create_tables_cb( const gchar* type, gpointer data_p, gpointer be_p )
/* ================================================================= */
/* Main object load order */
static const gchar* fixed_load_order[] =
{ GNC_ID_BOOK, GNC_ID_COMMODITY, GNC_ID_ACCOUNT, GNC_ID_LOT };
#define NUM_FIXED_LOAD_ORDER (gint)(sizeof(fixed_load_order)/sizeof(fixed_load_order[0]))
{ GNC_ID_BOOK, GNC_ID_COMMODITY, GNC_ID_ACCOUNT, GNC_ID_LOT, NULL };
/* Load order for objects from other modules */
static const gchar** other_load_order = NULL;
void
gnc_sql_set_load_order( const gchar** load_order )
{
other_load_order = load_order;
}
static void
initial_load_cb( const gchar* type, gpointer data_p, gpointer be_p )
@ -152,9 +161,14 @@ initial_load_cb( const gchar* type, gpointer data_p, gpointer be_p )
g_return_if_fail( pData->version == GNC_SQL_BACKEND_VERSION );
// Don't need to load anything if it has already been loaded with the fixed order
for( i = 0; i < NUM_FIXED_LOAD_ORDER; i++ ) {
for( i = 0; fixed_load_order[i] != NULL; i++ ) {
if( g_ascii_strcasecmp( type, fixed_load_order[i] ) == 0 ) return;
}
if( other_load_order != NULL ) {
for( i = 0; other_load_order[i] != NULL; i++ ) {
if( g_ascii_strcasecmp( type, other_load_order[i] ) == 0 ) return;
}
}
if( pData->initial_load != NULL ) {
(pData->initial_load)( be );
@ -180,12 +194,20 @@ gnc_sql_load( GncSqlBackend* be, /*@ dependent @*/ QofBook *book, QofBackendLoad
be->primary_book = book;
/* Load any initial stuff. Some of this needs to happen in a certain order */
for( i = 0; i < NUM_FIXED_LOAD_ORDER; i++ ) {
for( i = 0; fixed_load_order[i] != NULL; i++ ) {
pData = qof_object_lookup_backend( fixed_load_order[i], GNC_SQL_BACKEND );
if( pData->initial_load != NULL ) {
(pData->initial_load)( be );
}
}
if( other_load_order != NULL ) {
for( i = 0; other_load_order[i] != NULL; i++ ) {
pData = qof_object_lookup_backend( other_load_order[i], GNC_SQL_BACKEND );
if( pData->initial_load != NULL ) {
(pData->initial_load)( be );
}
}
}
root = gnc_book_get_root_account( book );
gnc_account_foreach_descendant( root, (AccountCb)xaccAccountBeginEdit, NULL );

9
src/backend/sql/gnc-backend-sql.h
View File

@ -716,6 +716,15 @@ gchar* gnc_sql_convert_timespec_to_string( const GncSqlBackend* be, Timespec ts
void gnc_sql_upgrade_table( GncSqlBackend* be, const gchar* table_name,
const GncSqlColumnTableEntry* col_table );
/**
* Specifies the load order for a set of objects. When loading from a database, the
* objects will be loaded in this order, so that when later objects have references to
* objects, those objects will already have been loaded.
*
* @param load_order NULL-terminated array of object type ID strings
*/
void gnc_sql_set_load_order( const gchar** load_order );
void _retrieve_guid_( gpointer pObject, /*@ null @*/ gpointer pValue );
/*@ null @*/

6
src/business/business-core/sql/gncmod-business-backend-sql.c
View File

@ -75,6 +75,10 @@ libgncmod_business_backend_sql_gnc_module_description(void)
return g_strdup( "The SQL backend for GnuCash business objects" );
}
/* Order in which business objects need to be loaded */
static const gchar* fixed_load_order[] =
{ GNC_ID_BILLTERM, GNC_ID_TAXTABLE, NULL };
int
libgncmod_business_backend_sql_gnc_module_init(int refcount)
{
@ -100,6 +104,8 @@ libgncmod_business_backend_sql_gnc_module_init(int refcount)
gnc_owner_sql_initialize();
gnc_taxtable_sql_initialize();
gnc_vendor_sql_initialize();
gnc_sql_set_load_order( fixed_load_order );
}
return TRUE;