Fix some postgres field precision and length inconsistencies

Author: m-kuhn

src/app/qgsaddattrdialog.cpp

@@ -81,7 +81,7 @@ void QgsAddAttrDialog::setPrecisionMinMax()
   int maxPrecType = mTypeBox->itemData( idx, Qt::UserRole + 5 ).toInt();
   mPrec->setVisible( minPrecType < maxPrecType );
   mPrec->setMinimum( minPrecType );
-  mPrec->setMaximum( qMin( maxPrecType, mLength->value() ) );
+  mPrec->setMaximum( qMax( minPrecType, qMin( maxPrecType, mLength->value() ) ) );
 }
 
 void QgsAddAttrDialog::accept()

src/providers/postgres/qgspostgresprovider.cpp

@@ -157,9 +157,9 @@ QgsPostgresProvider::QgsPostgresProvider( QString const & uri )
   //fill type names into sets
   mNativeTypes
   // integer types
-  << QgsVectorDataProvider::NativeType( tr( "Whole number (smallint - 16bit)" ), "int2", QVariant::Int )
-  << QgsVectorDataProvider::NativeType( tr( "Whole number (integer - 32bit)" ), "int4", QVariant::Int )
-  << QgsVectorDataProvider::NativeType( tr( "Whole number (integer - 64bit)" ), "int8", QVariant::LongLong )
+  << QgsVectorDataProvider::NativeType( tr( "Whole number (smallint - 16bit)" ), "int2", QVariant::Int, -1, -1, 0, 0 )
+  << QgsVectorDataProvider::NativeType( tr( "Whole number (integer - 32bit)" ), "int4", QVariant::Int, -1, -1, 0, 0 )
+  << QgsVectorDataProvider::NativeType( tr( "Whole number (integer - 64bit)" ), "int8", QVariant::LongLong, -1, -1, 0, 0 )
   << QgsVectorDataProvider::NativeType( tr( "Decimal number (numeric)" ), "numeric", QVariant::Double, 1, 20, 0, 20 )
   << QgsVectorDataProvider::NativeType( tr( "Decimal number (decimal)" ), "decimal", QVariant::Double, 1, 20, 0, 20 )
 
@@ -170,10 +170,10 @@ QgsPostgresProvider::QgsPostgresProvider( QString const & uri )
   // string types
   << QgsVectorDataProvider::NativeType( tr( "Text, fixed length (char)" ), "char", QVariant::String, 1, 255 )
   << QgsVectorDataProvider::NativeType( tr( "Text, limited variable length (varchar)" ), "varchar", QVariant::String, 1, 255 )
-  << QgsVectorDataProvider::NativeType( tr( "Text, unlimited length (text)" ), "text", QVariant::String )
+  << QgsVectorDataProvider::NativeType( tr( "Text, unlimited length (text)" ), "text", QVariant::String, -1, -1, -1, -1 )
 
   // date type
-  << QgsVectorDataProvider::NativeType( tr( "Date" ), "date", QVariant::Date )
+  << QgsVectorDataProvider::NativeType( tr( "Date" ), "date", QVariant::Date, -1, -1, -1, -1 )
   ;
 
   QString key;