query transaction filter (BEFORE/AFTER)
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Fix/Enhancement of #132 (closed)
The issue was misclassified as bug, the documentation was no very helpful, apparently. Since the implementation was very straight forward, I decided to do it anyways.
The mysql backend api has not changed. Only the CQL parser (CQLParser.g4/CQLLexer.g4) and the filter implementation of the server (TransactionFilter.java) had to be extended.
Tests in caosdb-pyinttest!6 (merged) should be sufficient
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