Prevent database memory cosumption by prepared statements caches (#768)

CHANGELOG.md

@@ -25,6 +25,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - Customize content negotiation per route - @begriffs
 - Allow using nulls order without explicit order direction - @steve-chavez
 - Fatal error on postgres unsupported version, format supported version in error message - @steve-chavez
+- Prevent database memory cosumption by prepared statements caches - @ruslantalpa
 
 ### Changed
 - Use HTTP 400 for raise\_exception - @begriffs

src/PostgREST/QueryBuilder.hs

@@ -93,7 +93,7 @@ encodeUniformObjs =
 createReadStatement :: SqlQuery -> SqlQuery -> Bool -> Bool -> Bool ->
                        H.Query () ResultsWithCount
 createReadStatement selectQuery countQuery isSingle countTotal asCsv =
-  unicodeStatement sql HE.unit decodeStandard True
+  unicodeStatement sql HE.unit decodeStandard False
  where
   sql = [qc|
       WITH {sourceCTEName} AS ({selectQuery}) SELECT {cols}