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feat: filter top-level resource with embed filter

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This is enabled by adding `!inner` to the embedded resource

/projects?select=*,clients!inner(*)&clients.id=eq.12

This behaviour can be enabled by default with the config option

db-embed-default-join='inner'

Which saves the need for specifying `!inner` on every request.
If this is enabled, the previous behavior can be restored
per request by specifying `!left`  on the embedded resource.

/projects?select=*,clients!left(*)&clients.id=eq.12`

Tested on M20/02M/M2M relationships, views, RPC.
This commit is contained in:
steve-chavez
2021-10-04 13:46:32 -05:00
committed by Steve Chavez
parent bf91187e63
commit ee56dd5db1
27 changed files with 445 additions and 44 deletions
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src/PostgREST/Query/SqlFragment.hs
+2 -2
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@@ -206,11 +206,11 @@ pgFmtField :: QualifiedIdentifier -> Field -> H.Snippet
pgFmtField table (c, jp) = H.sql (pgFmtColumn table c) <> pgFmtJsonPath jp
pgFmtSelectItem :: QualifiedIdentifier -> SelectItem -> H.Snippet
pgFmtSelectItem table (f@(fName, jp), Nothing, alias, _) = pgFmtField table f <> H.sql (pgFmtAs fName jp alias)
pgFmtSelectItem table (f@(fName, jp), Nothing, alias, _, _) = pgFmtField table f <> H.sql (pgFmtAs fName jp alias)
-- Ideally we'd quote the cast with "pgFmtIdent cast". However, that would invalidate common casts such as "int", "bigint", etc.
-- Try doing: `select 1::"bigint"` - it'll err, using "int8" will work though. There's some parser magic that pg does that's invalidated when quoting.
-- Not quoting should be fine, we validate the input on Parsers.
pgFmtSelectItem table (f@(fName, jp), Just cast, alias, _) = "CAST (" <> pgFmtField table f <> " AS " <> H.sql (encodeUtf8 cast) <> " )" <> H.sql (pgFmtAs fName jp alias)
pgFmtSelectItem table (f@(fName, jp), Just cast, alias, _, _) = "CAST (" <> pgFmtField table f <> " AS " <> H.sql (encodeUtf8 cast) <> " )" <> H.sql (pgFmtAs fName jp alias)
pgFmtOrderTerm :: QualifiedIdentifier -> OrderTerm -> H.Snippet
pgFmtOrderTerm qi ot =