fix(postgrest): preserve text search negation

src/postgrest/src/postgrest/_async/request_builder.py

@@ -234,9 +234,7 @@ def text_search(
         elif type_ == "web_search":
             type_part = "w"
         config_part = f"({options.get('config')})" if options.get("config") else ""
-        self.request.params = self.request.params.add(
-            column, f"{type_part}fts{config_part}.{query}"
-        )
+        self.filter(column, f"{type_part}fts{config_part}", query)
 
         return AsyncQueryRequestBuilder(self.request)
 

src/postgrest/src/postgrest/_sync/request_builder.py

@@ -234,9 +234,7 @@ def text_search(
         elif type_ == "web_search":
             type_part = "w"
         config_part = f"({options.get('config')})" if options.get("config") else ""
-        self.request.params = self.request.params.add(
-            column, f"{type_part}fts{config_part}.{query}"
-        )
+        self.filter(column, f"{type_part}fts{config_part}", query)
 
         return SyncQueryRequestBuilder(self.request)
 

src/postgrest/tests/_async/test_request_builder.py

@@ -241,6 +241,36 @@ def test_delete_with_select(self, request_builder: AsyncRequestBuilder):
 
 
 class TestTextSearch:
+    @pytest.mark.parametrize(
+        "mode,operator",
+        [
+            (None, "fts"),
+            ("plain", "plfts"),
+            ("phrase", "phfts"),
+            ("web_search", "wfts"),
+        ],
+    )
+    @pytest.mark.parametrize("config", [None, "english"])
+    @pytest.mark.parametrize("negate", [False, True])
+    def test_negation_is_applied_only_to_text_search(
+        self, request_builder: AsyncRequestBuilder, mode, operator, config, negate
+    ):
+        selected = request_builder.select("content")
+        if negate:
+            selected = selected.not_
+
+        builder = selected.text_search(
+            "content", "fat cat", {"type": mode, "config": config}
+        )
+
+        expected_operator = ("not." if negate else "") + operator
+        if config:
+            expected_operator += f"({config})"
+        assert builder.request.params["content"] == f"{expected_operator}.fat cat"
+        assert not selected.negate_next
+        selected.eq("published", "true")
+        assert builder.request.params["published"] == "eq.true"
+
     def test_text_search(self, request_builder: AsyncRequestBuilder):
         builder = request_builder.select("catchphrase").text_search(
             "catchphrase",

src/postgrest/tests/_sync/test_request_builder.py

@@ -241,6 +241,36 @@ def test_delete_with_select(self, request_builder: SyncRequestBuilder):
 
 
 class TestTextSearch:
+    @pytest.mark.parametrize(
+        "mode,operator",
+        [
+            (None, "fts"),
+            ("plain", "plfts"),
+            ("phrase", "phfts"),
+            ("web_search", "wfts"),
+        ],
+    )
+    @pytest.mark.parametrize("config", [None, "english"])
+    @pytest.mark.parametrize("negate", [False, True])
+    def test_negation_is_applied_only_to_text_search(
+        self, request_builder: SyncRequestBuilder, mode, operator, config, negate
+    ):
+        selected = request_builder.select("content")
+        if negate:
+            selected = selected.not_
+
+        builder = selected.text_search(
+            "content", "fat cat", {"type": mode, "config": config}
+        )
+
+        expected_operator = ("not." if negate else "") + operator
+        if config:
+            expected_operator += f"({config})"
+        assert builder.request.params["content"] == f"{expected_operator}.fat cat"
+        assert not selected.negate_next
+        selected.eq("published", "true")
+        assert builder.request.params["published"] == "eq.true"
+
     def test_text_search(self, request_builder: SyncRequestBuilder):
         builder = request_builder.select("catchphrase").text_search(
             "catchphrase",