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Fix invalid SQL generated for bulk upsert with empty array (#1270)

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This commit is contained in:
Xavier Francisco
2019-04-12 23:26:36 -05:00
committed by Steve Chávez
parent 63826e9509
commit 74e38a1d80
3 changed files with 11 additions and 2 deletions
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src/PostgREST/QueryBuilder.hs
+4 -2
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@@ -295,8 +295,10 @@ requestToQuery schema _ (DbMutate (Insert mainTbl iCols onConflct putConditions
IgnoreDuplicates ->
"DO NOTHING"
MergeDuplicates ->
"DO UPDATE SET " <> intercalate ", " (pgFmtIdent <> const " = EXCLUDED." <> pgFmtIdent <$> S.toList iCols)
) `emptyOnFalse` null oncCols) onConflct,
if S.null iCols
then "DO NOTHING"
else "DO UPDATE SET " <> intercalate ", " (pgFmtIdent <> const " = EXCLUDED." <> pgFmtIdent <$> S.toList iCols)
) `emptyOnFalse` null oncCols) onConflct,
("RETURNING " <> intercalate ", " (map (pgFmtColumn qi) returnings)) `emptyOnFalse` null returnings]
where
qi = QualifiedIdentifier schema mainTbl