Polypheny-DB
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polypheny
A self-adaptive Polystore that provides cost- and workload aware access to heterogeneous data.
PolyPig is currently limited to the default schema. The language should be extended to support querying other schemas than public.
Create a conversion matrix that gives information on which types can be converted to other types. This should also include information on how the conversion should happen, e.g. what boolean...
I noticed that Cottontail DB gets 'spammed' with statistics related queries quite frequently, which seems to be detrimental to the overall responsiveness of the system. I see two optimisations on...
There seems to be an issue when executing an EXISTS statement in a prepared statement: ```sql SELECT EXISTS(SELECT id FROM cineast.test_feature_vector WHERE id = '0') ``` The table `cineast.test_feature_vector` fully...
I think this should count as a bug, so I'll raise the issue. I found this bug while trying to fix [Dynamically load log lines from server](https://github.com/polypheny/Polypheny-DB/issues/293#issue-831147929). The specific performance...
Polypheny Control allows to view the log output of Polypheny-DB. The log lines are broadcasted to all connected clients (instances of the Control UI opened in a browser) and added...
Print the query plan as relational algebra expression and allow executing multiple query plans.
The current internal multimedia type of the PostgreSQL store is the BYTEA type. It has the drawback that it can only save up to 1GB of binary data. An alternative...
Query-to-File requests multimedia files on demand when they are opened. The data is then kept in-memory. Media files larger than the available memory can therefore not be opened using Query-to-File....
It should be possible to reorder columns in the schema view of Polypheny-UI. Columns can be reordered using the following SQL command: ```ALTER TABLE [ schemaName . ] tableName MODIFY...