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Sqlite module cleanup

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This commit is contained in:
Hugo Mercier 2016-01-08 14:09:00 +01:00
parent 716664e749
commit 80fe7e22ab
1 changed files with 8 additions and 30 deletions
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38
src/providers/virtual/qgsvirtuallayersqlitemodule.cpp
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@ -35,17 +35,6 @@ email : hugo dot mercier at oslandia dot com
#include "qgsvirtuallayerblob.h"
#include "qgsslottofunction.h"
/**
* Structure created in SQLITE module creation and passed to xCreate/xConnect
*/
struct ModuleContext
{
// private pointer needed for spatialite_init_ex;
// allows to know whether the database has been initialied (null or not)
bool init;
ModuleContext() : init( false ) {}
};
/**
* Create metadata tables if needed
*/
@ -414,14 +403,8 @@ int vtable_create_connect( sqlite3* sql, void* aux, int argc, const char* const*
#undef RETURN_CPPSTR_ERROR
}
void db_init( sqlite3* db, ModuleContext* context )
void db_init( sqlite3* db )
{
if ( context->init )
{
// db already initialized
return;
}
// create metadata tables
initVirtualLayerMetadata( db );
}
@ -430,7 +413,7 @@ int vtable_create( sqlite3* sql, void* aux, int argc, const char* const* argv, s
{
try
{
db_init( sql, reinterpret_cast<ModuleContext*>( aux ) );
db_init( sql );
}
catch ( std::runtime_error& e )
{
@ -643,18 +626,10 @@ int vtable_findfunction( sqlite3_vtab *pVtab,
sqlite3_module module;
static QCoreApplication* core_app = nullptr;
static int module_argc = 1;
static char module_name[] = "qgsvlayer_module";
static char* module_argv[] = { module_name };
void module_destroy( void * d )
void module_destroy( void* )
{
delete reinterpret_cast<ModuleContext*>( d );
if ( core_app )
{
delete core_app;
@ -672,11 +647,15 @@ int qgsvlayer_module_init( sqlite3 *db, char **pzErrMsg, void * unused /*const s
if ( !QCoreApplication::instance() )
{
// if run standalone
static int module_argc = 1;
static char module_name[] = "qgsvlayer_module";
static char* module_argv[] = { module_name };
core_app = new QCoreApplication( module_argc, module_argv );
QgsApplication::init();
QgsApplication::initQgis();
}
static sqlite3_module module;
module.xCreate = vtable_create;
module.xConnect = vtable_connect;
module.xBestIndex = vtable_bestindex;
@ -701,8 +680,7 @@ int qgsvlayer_module_init( sqlite3 *db, char **pzErrMsg, void * unused /*const s
module.xRelease = nullptr;
module.xRollbackTo = nullptr;
ModuleContext* context = new ModuleContext;
sqlite3_create_module_v2( db, "QgsVLayer", &module, context, module_destroy );
sqlite3_create_module_v2( db, "QgsVLayer", &module, nullptr, module_destroy );
return rc;
}