Add websearch_to_tsquery support (#1339)

CHANGELOG.md

@@ -5,6 +5,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
+- #1243, Add websearch_to_tsquery support - @herulume
+
 ### Added
 
 ### Fixed

src/PostgREST/Types.hs

@@ -287,7 +287,8 @@ ftsOperators :: M.HashMap Operator SqlFragment
 ftsOperators = M.fromList [
   ("fts", "@@ to_tsquery"),
   ("plfts", "@@ plainto_tsquery"),
-  ("phfts", "@@ phraseto_tsquery")
+  ("phfts", "@@ phraseto_tsquery"),
+  ("wfts", "@@ websearch_to_tsquery")
   ]
 
 data OpExpr = OpExpr Bool Operation deriving (Eq, Show)

test/Feature/AndOrParamsSpec.hs

@@ -7,12 +7,12 @@ import Test.Hspec
 import Test.Hspec.Wai
 import Test.Hspec.Wai.JSON
 
-import Protolude  hiding (get)
+import PostgREST.Types (PgVersion, pgVersion112)
+import Protolude       hiding (get)
 import SpecHelper
 
-
-spec :: SpecWith Application
-spec =
+spec :: PgVersion -> SpecWith Application
+spec actualPgVersion =
   describe "and/or params used for complex boolean logic" $ do
     context "used with GET" $ do
       context "or param" $ do
@@ -80,6 +80,19 @@ spec =
               {"text_search_vector": "'amus':5 'fair':7 'impossibl':9 'peu':4" },
               {"text_search_vector": "'art':4 'spass':5 'unmog':7"}
             ]|] { matchHeaders = [matchContentTypeJson] }
+
+        when (actualPgVersion >= pgVersion112) $
+          it "can handle wfts (websearch_to_tsquery)" $
+            get "/tsearch?or=(text_search_vector.plfts(german).Art,text_search_vector.plfts(french).amusant,text_search_vector.not.wfts(english).impossible)"
+            `shouldRespondWith`
+              [json|[
+                     {"text_search_vector": "'also':2 'fun':3 'possibl':8" },
+                     {"text_search_vector": "'ate':3 'cat':2 'fat':1 'rat':4" },
+                     {"text_search_vector": "'amus':5 'fair':7 'impossibl':9 'peu':4" },
+                     {"text_search_vector": "'art':4 'spass':5 'unmog':7" }
+              ]|]
+              { matchHeaders = [matchContentTypeJson] }
+
         it "can handle cs and cd" $
           get "/entities?or=(arr.cs.{1,2,3},arr.cd.{1})&select=id" `shouldRespondWith`
             [json|[{ "id": 1 },{ "id": 3 }]|] { matchHeaders = [matchContentTypeJson] }

test/Feature/QuerySpec.hs

@@ -10,11 +10,12 @@ import Test.Hspec.Wai.JSON
 
 import Text.Heredoc
 
-import Protolude  hiding (get)
+import PostgREST.Types (PgVersion, pgVersion112)
+import Protolude       hiding (get)
 import SpecHelper
 
-spec :: SpecWith Application
-spec = do
+spec :: PgVersion -> SpecWith Application
+spec actualPgVersion = do
 
   describe "Querying a table with a column called count" $
     it "should not confuse count column with pg_catalog.count aggregate" $
@@ -119,6 +120,29 @@ spec = do
           [json| [ {"text_search_vector": "'ate':3 'cat':2 'fat':1 'rat':4" }] |]
           { matchHeaders = [matchContentTypeJson] }
 
+      when (actualPgVersion >= pgVersion112) $ do
+        it "finds matches with websearch_to_tsquery" $
+            get "/tsearch?text_search_vector=wfts.The%20Fat%20Rats" `shouldRespondWith`
+                [json| [ {"text_search_vector": "'ate':3 'cat':2 'fat':1 'rat':4" }] |]
+                { matchHeaders = [matchContentTypeJson] }
+
+        it "can use boolean operators(and, or, -) in websearch_to_tsquery" $ do
+          get "/tsearch?text_search_vector=wfts.fun%20and%20possible"
+            `shouldRespondWith`
+              [json| [ {"text_search_vector": "'also':2 'fun':3 'possibl':8"}] |]
+              { matchHeaders = [matchContentTypeJson] }
+          get "/tsearch?text_search_vector=wfts.impossible%20or%20possible"
+            `shouldRespondWith`
+              [json| [
+                {"text_search_vector": "'fun':5 'imposs':9 'kind':3"},
+                {"text_search_vector": "'also':2 'fun':3 'possibl':8"}]
+                  |]
+              { matchHeaders = [matchContentTypeJson] }
+          get "/tsearch?text_search_vector=wfts.fun%20and%20-possible"
+            `shouldRespondWith`
+              [json| [ {"text_search_vector": "'fun':5 'imposs':9 'kind':3"}] |]
+              { matchHeaders = [matchContentTypeJson] }
+
       it "finds matches with different dictionaries" $ do
         get "/tsearch?text_search_vector=fts(french).amusant" `shouldRespondWith`
           [json| [{"text_search_vector": "'amus':5 'fair':7 'impossibl':9 'peu':4" }] |]
@@ -127,6 +151,12 @@ spec = do
           [json| [{"text_search_vector": "'amus':5 'fair':7 'impossibl':9 'peu':4" }] |]
           { matchHeaders = [matchContentTypeJson] }
 
+        when (actualPgVersion >= pgVersion112) $
+            get "/tsearch?text_search_vector=wfts(french).amusant%20impossible"
+                `shouldRespondWith`
+                  [json| [{"text_search_vector": "'amus':5 'fair':7 'impossibl':9 'peu':4" }] |]
+                  { matchHeaders = [matchContentTypeJson] }
+
       it "can be negated with not operator" $ do
         get "/tsearch?text_search_vector=not.fts.impossible%7Cfat%7Cfun" `shouldRespondWith`
           [json| [
@@ -145,6 +175,13 @@ spec = do
             {"text_search_vector": "'amus':5 'fair':7 'impossibl':9 'peu':4"},
             {"text_search_vector": "'art':4 'spass':5 'unmog':7"}]|]
           { matchHeaders = [matchContentTypeJson] }
+        when (actualPgVersion >= pgVersion112) $
+            get "/tsearch?text_search_vector=not.wfts(english).impossible%20or%20fat%20or%20fun"
+                `shouldRespondWith`
+                  [json| [
+                    {"text_search_vector": "'amus':5 'fair':7 'impossibl':9 'peu':4"},
+                    {"text_search_vector": "'art':4 'spass':5 'unmog':7"}]|]
+                  { matchHeaders = [matchContentTypeJson] }
 
     it "matches with computed column" $
       get "/items?always_true=eq.true&order=id.asc" `shouldRespondWith`

test/Feature/RpcSpec.hs

@@ -12,7 +12,8 @@ import Test.Hspec.Wai.JSON
 import Text.Heredoc
 
 import PostgREST.Types (PgVersion, pgVersion100, pgVersion109,
-                        pgVersion110, pgVersion114, pgVersion95)
+                        pgVersion110, pgVersion112, pgVersion114,
+                        pgVersion95)
 import Protolude       hiding (get)
 import SpecHelper
 
@@ -531,6 +532,10 @@ spec actualPgVersion =
         get "/rpc/get_tsearch?text_search_vector=not.fts(english).fun%7Crat" `shouldRespondWith`
           [json|[{"text_search_vector":"'amus':5 'fair':7 'impossibl':9 'peu':4"},{"text_search_vector":"'art':4 'spass':5 'unmog':7"}]|]
           { matchHeaders = [matchContentTypeJson] }
+        when (actualPgVersion >= pgVersion112) $
+            get "/rpc/get_tsearch?text_search_vector=wfts.impossible" `shouldRespondWith`
+                [json|[{"text_search_vector":"'fun':5 'imposs':9 'kind':3"}]|]
+                { matchHeaders = [matchContentTypeJson] }
 
     it "should work with an argument of custom type in public schema" $
         get "/rpc/test_arg?my_arg=something" `shouldRespondWith`

test/Main.hs

@@ -91,12 +91,12 @@ main = do
         , ("Feature.DeleteSpec"             , Feature.DeleteSpec.spec)
         , ("Feature.InsertSpec"             , Feature.InsertSpec.spec actualPgVersion)
         , ("Feature.JsonOperatorSpec"       , Feature.JsonOperatorSpec.spec actualPgVersion)
-        , ("Feature.QuerySpec"              , Feature.QuerySpec.spec)
+        , ("Feature.QuerySpec"              , Feature.QuerySpec.spec actualPgVersion)
         , ("Feature.RpcSpec"                , Feature.RpcSpec.spec actualPgVersion)
         , ("Feature.RangeSpec"              , Feature.RangeSpec.spec)
         , ("Feature.SingularSpec"           , Feature.SingularSpec.spec)
         , ("Feature.StructureSpec"          , Feature.StructureSpec.spec)
-        , ("Feature.AndOrParamsSpec"        , Feature.AndOrParamsSpec.spec)
+        , ("Feature.AndOrParamsSpec"        , Feature.AndOrParamsSpec.spec actualPgVersion)
         ] ++ extraSpecs
 
   hspec $ do