Provide log_status_format(), useful for an emit_log_hook.

Refactor so that log_line_prefix() is a thin wrapper over a new
function log_status_format(), and move the implementation to the
latter. Export log_status_format() so that it can be used by an
emit_log_hook.

Discussion: https://postgr.es/m/39c8197652f4d3050aedafae79fa5af31096505f.camel%40j-davis.com
Reviewed-by: Michael Paquier, Alvaro Herrera
This commit is contained in:
Jeff Davis 2022-07-11 12:29:33 -07:00
parent bf022d337e
commit b40baa96a7
2 changed files with 16 additions and 3 deletions

View File

@ -2438,10 +2438,19 @@ process_log_prefix_padding(const char *p, int *ppadding)
}
/*
* Format tag info for log lines; append to the provided buffer.
* Format log status information using Log_line_prefix.
*/
static void
log_line_prefix(StringInfo buf, ErrorData *edata)
{
log_status_format(buf, Log_line_prefix, edata);
}
/*
* Format log status info; append to the provided buffer.
*/
void
log_status_format(StringInfo buf, const char *format, ErrorData *edata)
{
/* static counter for line numbers */
static long log_line_number = 0;
@ -2465,10 +2474,10 @@ log_line_prefix(StringInfo buf, ErrorData *edata)
}
log_line_number++;
if (Log_line_prefix == NULL)
if (format == NULL)
return; /* in case guc hasn't run yet */
for (p = Log_line_prefix; *p != '\0'; p++)
for (p = format; *p != '\0'; p++)
{
if (*p != '%')
{

View File

@ -16,6 +16,8 @@
#include <setjmp.h>
#include "lib/stringinfo.h"
/* Error level codes */
#define DEBUG5 10 /* Debugging messages, in categories of
* decreasing detail. */
@ -439,6 +441,8 @@ extern PGDLLIMPORT bool syslog_split_messages;
#define LOG_DESTINATION_JSONLOG 16
/* Other exported functions */
extern void log_status_format(StringInfo buf, const char *format,
ErrorData *edata);
extern void DebugFileOpen(void);
extern char *unpack_sql_state(int sql_state);
extern bool in_error_recursion_trouble(void);