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fix warning
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@jef-n
jef-n committed Jul 5, 2013
1 parent d37e03b commit 8c3ed3d
Showing 1 changed file with 39 additions and 72 deletions.
111 changes: 39 additions & 72 deletions src/providers/mssql/qgsmssqlprovider.cpp
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Expand Up @@ -321,14 +321,11 @@ void QgsMssqlProvider::loadMetadata()
QString msg = query.lastError().text();
QgsDebugMsg( msg );
}
if ( query.isActive() )
if ( query.isActive() && query.next() )
{
if ( query.next() )
{
mGeometryColName = query.value( 0 ).toString();
mSRId = query.value( 2 ).toInt();
mWkbType = getWkbType( query.value( 3 ).toString(), query.value( 1 ).toInt() );
}
mGeometryColName = query.value( 0 ).toString();
mSRId = query.value( 2 ).toInt();
mWkbType = getWkbType( query.value( 3 ).toString(), query.value( 1 ).toInt() );
}
}

Expand Down Expand Up @@ -400,13 +397,10 @@ void QgsMssqlProvider::loadFields()
QString msg = query.lastError().text();
QgsDebugMsg( msg );
}
if ( query.isActive() )
if ( query.isActive() && query.next() )
{
if ( query.next() )
{
mFidColName = query.value( 3 ).toString();
return;
}
mFidColName = query.value( 3 ).toString();
return;
}
foreach ( QString pk, pkCandidates )
{
Expand All @@ -420,16 +414,10 @@ void QgsMssqlProvider::loadFields()
QString msg = query.lastError().text();
QgsDebugMsg( msg );
}
if ( query.isActive() )
if ( query.isActive() && query.next() && query.value( 0 ).toInt() == query.value( 1 ).toInt() )
{
if ( query.next() )
{
if ( query.value( 0 ).toInt() == query.value( 1 ).toInt() )
{
mFidColName = pk;
return;
}
}
mFidColName = pk;
return;
}
}
}
Expand Down Expand Up @@ -476,10 +464,9 @@ QVariant QgsMssqlProvider::minimumValue( int index )
QgsDebugMsg( msg );
}

if ( query.isActive() )
if ( query.isActive() && query.next() )
{
if ( query.next() )
return query.value( 0 );
return query.value( 0 );
}

return QVariant( QString::null );
Expand Down Expand Up @@ -512,10 +499,9 @@ QVariant QgsMssqlProvider::maximumValue( int index )
QgsDebugMsg( msg );
}

if ( query.isActive() )
if ( query.isActive() && query.next() )
{
if ( query.next() )
return query.value( 0 );
return query.value( 0 );
}

return QVariant( QString::null );
Expand Down Expand Up @@ -582,23 +568,22 @@ void QgsMssqlProvider::UpdateStatistics( bool estimate )
QString sql = "SELECT min(bounding_box_xmin), min(bounding_box_ymin), max(bounding_box_xmax), max(bounding_box_ymax)"
" FROM sys.spatial_index_tessellations WHERE object_id = OBJECT_ID('[%1].[%2]')";

statement = QString (sql).arg( mSchemaName )
.arg( mTableName );
statement = QString( sql ).arg( mSchemaName ).arg( mTableName );

if ( query.exec( statement ) )
{
QgsDebugMsg("Found extents in spatial index");
QgsDebugMsg( "Found extents in spatial index" );
if ( query.next() )
{
mExtent.setXMinimum( query.value( 0 ).toDouble() );
mExtent.setYMinimum( query.value( 1 ).toDouble() );
mExtent.setXMaximum( query.value( 2 ).toDouble() );
mExtent.setYMaximum( query.value( 3 ).toDouble() );
return;
mExtent.setXMinimum( query.value( 0 ).toDouble() );
mExtent.setYMinimum( query.value( 1 ).toDouble() );
mExtent.setXMaximum( query.value( 2 ).toDouble() );
mExtent.setYMaximum( query.value( 3 ).toDouble() );
return;
}
}

QgsDebugMsg(query.lastError().text());
QgsDebugMsg( query.lastError().text() );

// If we can't find the extents in the spatial index table just do what we normally do.
bool readAllGeography = false;
Expand Down Expand Up @@ -638,20 +623,17 @@ void QgsMssqlProvider::UpdateStatistics( bool estimate )

if ( !query.isActive() )
{
return;
return;
}

QgsGeometry geom;
if ( !readAllGeography )
if ( !readAllGeography && query.next() )
{
if ( query.next() )
{
mExtent.setXMinimum( query.value( 0 ).toDouble() );
mExtent.setYMinimum( query.value( 1 ).toDouble() );
mExtent.setXMaximum( query.value( 2 ).toDouble() );
mExtent.setYMaximum( query.value( 3 ).toDouble() );
return;
}
mExtent.setXMinimum( query.value( 0 ).toDouble() );
mExtent.setYMinimum( query.value( 1 ).toDouble() );
mExtent.setXMaximum( query.value( 2 ).toDouble() );
mExtent.setYMaximum( query.value( 3 ).toDouble() );
return;
}

// We have to read all the geometry if readAllGeography is true.
Expand Down Expand Up @@ -714,15 +696,11 @@ long QgsMssqlProvider::featureCount() const
" JOIN sys.partitions p ON t.object_id = p.object_id AND p.index_id IN (0,1)"
" WHERE SCHEMA_NAME(t.schema_id) = '%1' AND OBJECT_NAME(t.OBJECT_ID) = '%2'";

QString statement = QString (sql).arg( mSchemaName )
.arg( mTableName );
QString statement = QString( sql ).arg( mSchemaName ).arg( mTableName );

if ( query.exec( statement ) )
if ( query.exec( statement ) && query.next() )
{
if ( query.next() )
{
return query.value(0).toInt();
}
return query.value( 0 ).toInt();
}
else
{
Expand Down Expand Up @@ -1311,23 +1289,15 @@ QgsCoordinateReferenceSystem QgsMssqlProvider::crs()
query.exec( QString( "select srtext from spatial_ref_sys where srid = %1" ).arg( QString::number( mSRId ) ) );
if ( query.isActive() )
{
if ( query.next() )
{
if ( mCrs.createFromWkt( query.value( 0 ).toString() ) )
return mCrs;
}
if ( query.next() && mCrs.createFromWkt( query.value( 0 ).toString() ) )
return mCrs;

query.finish();
}
query.clear();
query.exec( QString( "select well_known_text from sys.spatial_reference_systems where spatial_reference_id = %1" ).arg( QString::number( mSRId ) ) );
if ( query.isActive() )
{
if ( query.next() )
{
if ( mCrs.createFromWkt( query.value( 0 ).toString() ) )
return mCrs;
}
}
if ( query.isActive() && query.next() && mCrs.createFromWkt( query.value( 0 ).toString() ) )
return mCrs;
}
return mCrs;
}
Expand Down Expand Up @@ -1369,11 +1339,8 @@ bool QgsMssqlProvider::setSubsetString( QString theSQL, bool )
return false;
}

if ( query.isActive() )
{
if ( query.next() )
mNumberFeatures = query.value( 0 ).toInt();
}
if ( query.isActive() && query.next() )
mNumberFeatures = query.value( 0 ).toInt();

QgsDataSourceURI anUri = QgsDataSourceURI( dataSourceUri() );
anUri.setSql( mSqlWhereClause );
Expand Down

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