Polypheny-DB
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polypheny
A self-adaptive Polystore that provides cost- and workload aware access to heterogeneous data.
In the data-carousel folder, there is overlapping in media if we have one video & one Image as the data type of the columns. 
The architecture of data-sources makes it possible to specify if a whole source is writable or not, using the `dataReadOnly` property. A very useful feature would be to make the...
Allow configuring the log level of Polypheny-DB on a per class or package basis in Polypheny Control.
Currently there are a lot of log messages that lack context. e.g. in `CassandraStore.java`: `"WARN reloadSettings is not implemented yet."`. If this is all we see in a log, we...
Implement the abort method to allow aborting a running benchmarking job including its queries (stop Polypheny?)
The is an extension for PostgreSQL called [cstore_fdw](https://github.com/citusdata/cstore_fdw), which allows PostgreSQL to behave somewhat like a column store instead of a row store, while still using SQL as the query...
With the new settings API, it is now possible to specify paths. So far this is used directly with java File API, which allows both absolute and relative paths. While...
Improvements: - [ ] Converter Rules: make sane check whether conversion can happen - [ ] Pushing down: implement additional features, like aggregate functions - [ ] Push-down sort operations...
Disabling SCHEMA_CACHING seems to break queries which include WHERE clauses for Jdbc Adapters. This, due to the fact that JdbcEnumeratorConverterRule gets added a second time to the planner, which is...
Allow to define thresholds. If these thresholds are exceeded, a warning should be displayed in the UI.