2008/12/21 Murray Cumming <[email protected]> > On Fri, 2008-11-21 at 10:20 +0100, Vivien Malerba wrote: > > Each field is represented as a GdaMetaTableColumn structure, the > > is-primary-key property corresponds to the GdaMetaTableColumn.pkey > > value, > > or, in case you have a multiple fields PK, then all the PK fields are > > listed > > in the GdaMetaTable.pk_cols_array attribute. > > So why can't this be a simple get/set function on GdaColumn, > http://library.gnome.org/devel/libgda/unstable/GdaColumn.html > > like it was in libgda-3.0? > > http://library.gnome.org/devel/libgda/stable/GdaColumn.html#gda-column-get-primary-key
When inspecting the properties of a table, you don't always have a GdaColumn. Moreover when you have a GdaDataModel (resulting from executing a SELECT), then the Primary key attribute of a column can lead to mis interpretations (for example it could mean that the column could be considered as a PK for the data in the data model, or it could be that the corresponding column was effectively part of a PK constraint). So basically one had to run a "SELECT * FROM table" to reliably get the PK columns of a table which is not a good wy of proceeding. Vivien
_______________________________________________ gnome-db-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/gnome-db-list
