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fix: bug when Null Filtering on embedded resources

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When doing Null Filtering, the to-one embed resources were not included if they had a NULL value in any of the selected fields.
This commit is contained in:
Laurence Isla
2023-10-04 00:07:09 -03:00
committed by Steve Chavez
parent 6475f254f7
commit 226f1caa24
4 changed files with 104 additions and 1 deletions
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src/PostgREST/Query/SqlFragment.hs
+1 -1
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@@ -336,7 +336,7 @@ pgFmtArrayLiteralForField values _ = unknownLiteral (pgBuildArrayLiteral values)
pgFmtFilter :: QualifiedIdentifier -> CoercibleFilter -> SQL.Snippet
pgFmtFilter _ (CoercibleFilterNullEmbed hasNot fld) = pgFmtIdent fld <> " IS " <> (if hasNot then "NOT" else mempty) <> " NULL"
pgFmtFilter _ (CoercibleFilterNullEmbed hasNot fld) = pgFmtIdent fld <> " IS " <> (if not hasNot then "NOT " else mempty) <> "DISTINCT FROM NULL"
pgFmtFilter _ (CoercibleFilter _ (NoOpExpr _)) = mempty -- TODO unreachable because NoOpExpr is filtered on QueryParams
pgFmtFilter table (CoercibleFilter fld (OpExpr hasNot oper)) = notOp <> " " <> pgFmtField table fld <> case oper of
Op op val -> " " <> simpleOperator op <> " " <> pgFmtUnknownLiteralForField (unknownLiteral val) fld