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spatialite: run InitSpatialMetadata(1) on SL >= 4.1 (fixes #8340)

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This commit is contained in:
Juergen E. Fischer 2013-10-13 22:42:52 +02:00
parent 9b372f5334
commit e04b426f00
1 changed files with 27 additions and 18 deletions
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45
src/providers/spatialite/qgsspatialiteprovider.cpp
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@ -5087,37 +5087,46 @@ QGISEXTERN QgsVectorLayerImport::ImportError createEmptyLayer(
static bool initializeSpatialMetadata( sqlite3 *sqlite_handle, QString& errCause )
{
// attempting to perform self-initialization for a newly created DB
int ret;
char sql[1024];
char *errMsg = NULL;
int count = 0;
int i;
char **results;
int rows;
int columns;
if ( sqlite_handle == NULL )
if ( !sqlite_handle )
return false;
// checking if this DB is really empty
strcpy( sql, "SELECT Count(*) from sqlite_master" );
ret = sqlite3_get_table( sqlite_handle, sql, &results, &rows, &columns, NULL );
char **results;
int rows, columns;
int ret = sqlite3_get_table( sqlite_handle, "select count(*) from sqlite_master", &results, &rows, &columns, NULL );
if ( ret != SQLITE_OK )
return false;
if ( rows < 1 )
;
else
int count = 0;
if ( rows >= 1 )
{
for ( i = 1; i <= rows; i++ )
for ( int i = 1; i <= rows; i++ )
count = atoi( results[( i * columns ) + 0] );
}
sqlite3_free_table( results );
if ( count > 0 )
return false;
bool above41 = false;
ret = sqlite3_get_table( sqlite_handle, "select spatialite_version()", &results, &rows, &columns, NULL );
if ( ret == SQLITE_OK && rows == 1 && columns == 1 )
{
QString version = QString::fromUtf8( results[1] );
QStringList parts = version.split( " ", QString::SkipEmptyParts );
if ( parts.size() >= 1 )
{
QStringList verparts = parts[0].split( ".", QString::SkipEmptyParts );
above41 = verparts.size() >= 2 && ( verparts[0].toInt() > 4 || ( verparts[0].toInt() == 4 && verparts[1].toInt() >= 1 ) );
}
}
sqlite3_free_table( results );
// all right, it's empty: proceding to initialize
strcpy( sql, "SELECT InitSpatialMetadata()" );
ret = sqlite3_exec( sqlite_handle, sql, NULL, NULL, &errMsg );
char *errMsg = 0;
ret = sqlite3_exec( sqlite_handle, above41 ? "SELECT InitSpatialMetadata(1)" : "SELECT InitSpatialMetadata()", NULL, NULL, &errMsg );
if ( ret != SQLITE_OK )
{
errCause = QObject::tr( "Unable to initialize SpatialMetadata:\n" );