new json

test/ch/connection_test.exs

@@ -568,18 +568,25 @@ defmodule Ch.ConnectionTest do
               }} = Ch.query(conn, "SELECT * FROM t_uuid ORDER BY y")
     end
 
-    @tag :skip
+    # https://clickhouse.com/docs/en/sql-reference/data-types/newjson
+    # https://clickhouse.com/docs/en/integrations/data-formats/json/overview
+    # https://clickhouse.com/blog/a-new-powerful-json-data-type-for-clickhouse
+    # https://clickhouse.com/blog/json-bench-clickhouse-vs-mongodb-elasticsearch-duckdb-postgresql
     test "json", %{conn: conn} do
-      settings = [allow_experimental_object_type: 1]
+      settings = [enable_json_type: 1]
 
-      Ch.query!(conn, "CREATE TABLE json(o JSON) ENGINE = Memory", [], settings: settings)
+      Ch.query!(conn, "CREATE TABLE test_json(json JSON) ENGINE = Memory", [], settings: settings)
 
-      Ch.query!(conn, ~s|INSERT INTO json VALUES ('{"a": 1, "b": { "c": 2, "d": [1, 2, 3] }}')|)
+      Ch.query!(
+        conn,
+        ~s|INSERT INTO test_json VALUES ('{"a" : {"b" : 42}, "c" : [1, 2, 3]}'), ('{"f" : "Hello, World!"}'), ('{"a" : {"b" : 43, "e" : 10}, "c" : [4, 5, 6]}')|
+      )
 
-      assert Ch.query!(conn, "SELECT o.a, o.b.c, o.b.d[3] FROM json").rows == [[1, 2, 3]]
+      assert Ch.query!(conn, "SELECT json FROM test_json") == :asdf
 
-      # named tuples are not supported yet
-      assert_raise ArgumentError, fn -> Ch.query!(conn, "SELECT o FROM json") end
+      assert Ch.query!(conn, "SELECT json.a, json.b.c, json.b.d[3] FROM test_json").rows == [
+               [1, 2, 3]
+             ]
     end
 
     # TODO enum16