> On 2017-04-24 16:07:01 -0400, Rader, David wrote: >> As Tom mentioned, it sounds like the issue is that Presto expects to only >> use simple query, not extended query (no server-side prepared statements). >> The JDBC driver supports setting the prepare threshold to 0 to disable >> using server-side prepares. >> >> https://jdbc.postgresql.org/documentation/publicapi/org/postgresql/PGStatement.html#setPrepareThreshold-int- >> >> "If threshold is zero, server-side prepare will not be used." > > Note that you can use the extended protocol without server side > prepares... Quite correct. Just setting the prepare threshold to 0 does not prevent PostgreSQL from using extended queries. So the only way not using extended queires with JDBC is setting the protocol version to 2. I wonder why PostgreSQL JDBC does not provide similar API to ODBC... Best regards, -- Tatsuo Ishii SRA OSS, Inc. Japan English: http://www.sraoss.co.jp/index_en.php Japanese:http://www.sraoss.co.jp -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general