[stable20] Fix greatest/least order for oracle#23975

Merged

MorrisJobke merged 4 commits intostable20from

backport/23923/stable20

Nov 9, 2020

Commits on Nov 7, 2020

Fix order of GREATEST for Oracle

nickvergessen
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backportbot[bot]
committed
Use Query builder function

nickvergessen
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backportbot[bot]
committed
Make sure Oracle always casts everything in the best way

nickvergessen
authored and
backportbot[bot]
committed
Update parameters

nickvergessen
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backportbot[bot]
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