diff options
| -rw-r--r-- | doc/src/sgml/config.sgml | 27 | ||||
| -rw-r--r-- | src/backend/utils/error/elog.c | 8 | ||||
| -rw-r--r-- | src/backend/utils/misc/guc_tables.c | 11 | ||||
| -rw-r--r-- | src/include/utils/guc.h | 1 |
4 files changed, 44 insertions, 3 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index b5624ca8847..f323bba018f 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -11086,6 +11086,33 @@ dynamic_library_path = 'C:\tools\postgresql;H:\my_project\lib;$libdir' </listitem> </varlistentry> + <varlistentry id="guc-backtrace-on-internal-error" xreflabel="backtrace_on_internal_error"> + <term><varname>backtrace_on_internal_error</varname> (<type>boolean</type>) + <indexterm> + <primary><varname>backtrace_on_internal_error</varname> configuration parameter</primary> + </indexterm> + </term> + <listitem> + <para> + If this parameter is on and an error with error code XX000 (internal + error; see also <xref linkend="errcodes-appendix"/>) is raised, then a + backtrace is written to the server log together with the error + message. This can be used to debug such internal errors (which should + normally not happen in production). The default is off. + </para> + + <para> + Backtrace support is not available on all platforms, and the quality + of the backtraces depends on compilation options. + </para> + + <para> + Only superusers and users with the appropriate <literal>SET</literal> + privilege can change this setting. + </para> + </listitem> + </varlistentry> + <varlistentry id="guc-debug-discard-caches" xreflabel="debug_discard_caches"> <term><varname>debug_discard_caches</varname> (<type>integer</type>) <indexterm> diff --git a/src/backend/utils/error/elog.c b/src/backend/utils/error/elog.c index 07a45597c4b..b2967184ca2 100644 --- a/src/backend/utils/error/elog.c +++ b/src/backend/utils/error/elog.c @@ -498,9 +498,11 @@ errfinish(const char *filename, int lineno, const char *funcname) /* Collect backtrace, if enabled and we didn't already */ if (!edata->backtrace && - edata->funcname && - backtrace_functions && - matches_backtrace_functions(edata->funcname)) + ((edata->funcname && + backtrace_functions && + matches_backtrace_functions(edata->funcname)) || + (edata->sqlerrcode == ERRCODE_INTERNAL_ERROR && + backtrace_on_internal_error))) set_backtrace(edata, 2); /* diff --git a/src/backend/utils/misc/guc_tables.c b/src/backend/utils/misc/guc_tables.c index 9f59440526f..3945a92dddd 100644 --- a/src/backend/utils/misc/guc_tables.c +++ b/src/backend/utils/misc/guc_tables.c @@ -527,6 +527,7 @@ int log_temp_files = -1; double log_statement_sample_rate = 1.0; double log_xact_sample_rate = 0; char *backtrace_functions; +bool backtrace_on_internal_error = false; int temp_file_limit = -1; @@ -813,6 +814,16 @@ StaticAssertDecl(lengthof(config_type_names) == (PGC_ENUM + 1), struct config_bool ConfigureNamesBool[] = { { + {"backtrace_on_internal_error", PGC_SUSET, DEVELOPER_OPTIONS, + gettext_noop("Log backtrace for any error with error code XX000 (internal error)."), + NULL, + GUC_NOT_IN_SAMPLE + }, + &backtrace_on_internal_error, + false, + NULL, NULL, NULL + }, + { {"enable_seqscan", PGC_USERSET, QUERY_TUNING_METHOD, gettext_noop("Enables the planner's use of sequential-scan plans."), NULL, diff --git a/src/include/utils/guc.h b/src/include/utils/guc.h index 49ee046cf0f..631c09c16b2 100644 --- a/src/include/utils/guc.h +++ b/src/include/utils/guc.h @@ -266,6 +266,7 @@ extern PGDLLIMPORT int log_temp_files; extern PGDLLIMPORT double log_statement_sample_rate; extern PGDLLIMPORT double log_xact_sample_rate; extern PGDLLIMPORT char *backtrace_functions; +extern PGDLLIMPORT bool backtrace_on_internal_error; extern PGDLLIMPORT int temp_file_limit; |