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Add PostGIS GeoJSON support

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Works for GET, POST, PATCH, PUT, DELETE, RPC.
This commit is contained in:
steve-chavez
2022-06-22 22:16:44 -05:00
committed by Steve Chavez
parent 86c40e8df9
commit 870f7a39b0
13 changed files with 300 additions and 14 deletions
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src/PostgREST/Query/SqlFragment.hs
+4
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@@ -11,6 +11,7 @@ module PostgREST.Query.SqlFragment
, SqlFragment
, asBinaryF
, asCsvF
, asGeoJsonF
, asJsonF
, asJsonSingleF
, asXmlF
@@ -182,6 +183,9 @@ asJsonSingleF returnsScalar
asXmlF :: FieldName -> SqlFragment
asXmlF fieldName = "coalesce(xmlagg(_postgrest_t." <> pgFmtIdent fieldName <> "), '')"
asGeoJsonF :: SqlFragment
asGeoJsonF = "json_build_object('type', 'FeatureCollection', 'features', coalesce(json_agg(ST_AsGeoJSON(_postgrest_t)::json), '[]'))"
asBinaryF :: FieldName -> SqlFragment
asBinaryF fieldName = "coalesce(string_agg(_postgrest_t." <> pgFmtIdent fieldName <> ", ''), '')"