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Upsert with "Prefer: resolution=merge-duplicates" on specified columns (#1327) (#1432)

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Allow query param 'on_conflict=key1,key2,...' to upsert with explicit columns with unique
constraint.
This commit is contained in:
YUKISHITA Yohsuke
2019-12-29 11:52:58 -05:00
committed by Steve Chavez
parent e12c1319b6
commit 99b13fa25f
10 changed files with 91 additions and 2 deletions
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src/PostgREST/Parsers.hs
+4
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@@ -30,6 +30,10 @@ pRequestSelect :: Text -> Either ApiRequestError [Tree SelectItem]
pRequestSelect selStr =
mapError $ parse pFieldForest ("failed to parse select parameter (" <> toS selStr <> ")") (toS selStr)
pRequestOnConflict :: Text -> Either ApiRequestError [FieldName]
pRequestOnConflict oncStr =
mapError $ parse pColumns ("failed to parse on_conflict parameter (" <> toS oncStr <> ")") (toS oncStr)
pRequestFilter :: (Text, Text) -> Either ApiRequestError (EmbedPath, Filter)
pRequestFilter (k, v) = mapError $ (,) <$> path <*> (Filter <$> fld <*> oper)
where