sharpetronics/QGIS
1
0
Fork 0
mirror of https://github.com/qgis/QGIS.git synced 2025-04-14 00:07:35 -04:00
Code Issues Packages Projects Releases Wiki Activity

also determine primary key in spatialite 4

Browse Source
This commit is contained in:
Juergen E. Fischer 2013-07-19 00:30:01 +02:00
parent dcd19aa465
commit 95230b86db
1 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/providers/spatialite/qgsspatialiteprovider.cpp
View File

@ -631,6 +631,32 @@ void QgsSpatiaLiteProvider::loadFieldsAbstractInterface( gaiaVectorLayerPtr lyr
}
fld = fld->Next;
}
mPrimaryKey.clear();
mPrimaryKeyAttrs.clear();
QString sql = QString( "PRAGMA table_info(%1)" ).arg( quotedIdentifier( mTableName ) );
char **results;
int rows;
int columns;
char *errMsg = NULL;
int ret = sqlite3_get_table( sqliteHandle, sql.toUtf8().constData(), &results, &rows, &columns, &errMsg );
if ( ret == SQLITE_OK )
{
for ( int i = 1; i <= rows; i++ )
{
QString name = QString::fromUtf8( results[( i * columns ) + 1] );
QString pk = results[( i * columns ) + 5];
if ( pk.toInt() == 0 )
continue;
if( mPrimaryKey.isEmpty() )
mPrimaryKey = name;
mPrimaryKeyAttrs << i - 1;
}
}
sqlite3_free_table( results );
}
#endif