list of #GdaMetaTableColumn structures, one for each column in the table
list of #GdaMetaTableForeignKey for this table
index of the columns part of the primary key for the table (WARNING: columns numbering here start at 0)
size of the pk_cols_array array
list of #GdaMetaTableForeignKey where the referenced table is this table
This structure specifies a #GdaMetaDbObject to represent a table's specific attributes, its contents must not be modified.
Note that in some cases, the columns cannot be determined for views, and in this case the
columnswill be %NULL (this can be the case for example with SQLite where a view uses a function which is not natively provided by SQLite.