There i saw that all tables with partitions don't have a CREATE_TIME set (NULL). But the CREATE_TIME is used by my event to find the tables it has to delete. Most other tables without partitions have a CREATE_TIME set. The event-body is: ...
R-package: Methods for dividing data into groups. Create balanced partitions and cross-validation folds. Perform time series windowing and general grouping and splitting of data. Balance existing groups with up- and downsampling or collapse them to fewer
Most people name the partitions in such a way that they know how old the data is in each partition. This also factors into creating a new partition every day (or week or whatever). And when they create the new partition, they DROP the oldest one (by name) in the same process....