Following fails

var result = con.Query<Drivers>("select first_name, last_name from drivers where first_name in @Ids", new { Ids = new string[] {"Sandeep", "Sam"}});

with exception
Unhandled Exception: Npgsql.PostgresException: 42601: syntax error at or near "$1" at Npgsql.NpgsqlConnector.<>c__DisplayClass161_0.<<ReadMessage>g__ReadMessageLong|0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Npgsql.NpgsqlConnector.<>c__DisplayClass161_0.<<ReadMessage>g__ReadMessageLong|0>d.MoveNext() in C:\projects\npgsql\src\Npgsql\NpgsqlConnector.cs:line 1032