Jens Schauder

Lazy evaluation of Footnotes

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## Testing Problem I'm currently doing tests related to date incompabilities with databases. Basically I'm checking that `f(d) == fx(d)` where fx is some database operation. In case of a...

contains in query derivation of an ElementCollection creates a proper isMember clause but encloses the argument in % leading to the wrong result.

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When looking at the code `CONTAINING` is obviously intended to work with Strings (and be translated to `x like %?%`) and for collections where it gets translated to an `isMemberOf`....

Part of the logic considered `contains` on an ElementCollection of type String a like query, wrapping the parameter in wildcards. This is now fixed. Closes #2607

This pr adds a failing test, reproducing the issue. Issue: https://jira.spring.io/browse/DATAJPA-1713

Using tuples makes spring data responsible for selecting the right thing and doesn't work for collection valued attributes at all. See #2078, #1623

Approaches might be: Using a custom repository implementation or views and triggers

See #1147 and #1161