Hi, We observed a slight lag in timestamp for a few logs from the emit_log_hook hook implementation when the log_line_prefix GUC has '%m'.
Upon debugging, we found that the saved_timeval_set variable is set to 'true' in get_formatted_log_time() but is not reset to 'false' until the next call to send_message_to_server_log(). Due to this, saved_timeval_set will be true during the execution of hook emit_log_hook() which prefixes the saved timestamp 'saved_timeval' from the previous log line (our hook implementation calls log_line_prefix()). Attached patch sets the saved_timeval_set to false before executing the emit_log_hook() Thanks, Vinay
0001-set-saved_timeval_set-to-false-before-executing-emit.patch
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