On 04/03/18 11:28, Laurenz Albe wrote:
[...] psql:testing/test.pg_sql:42: ERROR: function WRITE_MESSAGE_TO_TABLE(i_function => text, i_message => text, i_level => text, i_present_user => name, i_session_user => name, i_transaction_timestamp => timestamp with time zone, i_transaction_id => bigint, i_server_pid => bigint, i_remote_address => inet, i_remote_port => integer) does not exist HINT: No function matches the given name and argument types. You might need to add explicit type casts. CONTEXT: Error occurred on dblink connection named "PGLOGGER_CONNECTION": could not execute query. SQL statement "SELECT * from dblink_get_result(V_DBLINK_CONNECTION_NAME) as t(ID bigint)" PL/pgSQL function write_message(text,text) line 126 at PERFORM psql:testing/test.pg_sql:42: STATEMENT: select WRITE_MESSAGE('Test WRITE_MESSAGE 2nd call', 'NOTICE');I couldn't dig through all your code, but two things seemed suspicious:
Thanks for looking into all the same.
if ( V_DBLINK_CONNECTION_NAMES is null or V_DBLINK_CONNECTION_NAME != any(V_DBLINK_CONNECTION_NAMES)I don't think you want "!=ANY" there. Shouldn't that be "<>ALL" ? "<>ANY" will *always* be true if there are at least two different entries.
In my simple test it works as expected with respect to that. But I did use it the wrong way as I thought that ! would invert the result of the any operation as a whole. I changed it to != all but the error persists.
The other thing is that you seem to call "dblink_get_result" on any existing connection before use. But you can only call the function if there is a result outstanding.
I call dblink_get_result only if I do not open a dblink connection, i. e. only on second and following function calls. I put more notice output into the code showing that dblink_send_query has been called once before the first call of dblink_get_result. I changed my query to reflect return bigint value of the called function write_message_to_table. Error persists.
I put a new pastebin https://pastebin.com/7R45R7qK and committed the changes.
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