removes ltree from bin test, note on type-mapping

Author: auyer

connectorx-python/connectorx/tests/test_postgres.py

@@ -450,7 +450,7 @@ def test_postgres_with_index_col(postgres_url: str) -> None:
 
 
 def test_postgres_types_binary(postgres_url: str) -> None:
-    query = "SELECT test_date, test_timestamp, test_timestamptz, test_int16, test_int64, test_float32, test_numeric, test_bpchar, test_char, test_varchar, test_uuid, test_time, test_json, test_jsonb, test_bytea, test_enum, test_f4array, test_f8array, test_narray, test_i2array, test_i4array, test_i8array, test_citext, test_ltree FROM test_types"
+    query = "SELECT test_date, test_timestamp, test_timestamptz, test_int16, test_int64, test_float32, test_numeric, test_bpchar, test_char, test_varchar, test_uuid, test_time, test_json, test_jsonb, test_bytea, test_enum, test_f4array, test_f8array, test_narray, test_i2array, test_i4array, test_i8array, test_citext FROM test_types"
     df = read_sql(postgres_url, query)
     expected = pd.DataFrame(
         index=range(4),
@@ -549,7 +549,7 @@ def test_postgres_types_binary(postgres_url: str) -> None:
                 dtype="object",
             ),
             "test_citext": pd.Series(["str_citext", "", "s", None], dtype="object"),
-            "test_ltree": pd.Series(["A.B.C.D", "A.B.E", "A", None], dtype="object"),
+            # "test_ltree": pd.Series(["A.B.C.D", "A.B.E", "A", None], dtype="object"), # waiting for https://github.com/sfackler/rust-postgres/issues/960
         },
     )
     assert_frame_equal(df, expected, check_names=True)

docs/databases/postgres.md

@@ -41,6 +41,7 @@ cx.read_sql(conn, query)                                        # read data from
 | JSON            | object                    |                                    |
 | JSONB           | object                    |                                    |
 | ENUM            | object                    | need to convert enum column to text manually (`::text`) when using `csv` and `cursor` protocol |
+| ltree           | object                    | binary protocol returns with a hex char prefix. Check https://github.com/sfu-db/connector-x/pull/382 and https://github.com/sfackler/rust-postgres/issues/960 for status |
 | INT2[]          | object                    | list of i64                        |
 | INT4[]          | object                    | list of i64                        |
 | INT8[]          | object                    | list of i64                        |