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Add backtrace support for error reporting

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Add some support for automatically showing backtraces in certain error
situations in the server.  Backtraces are shown on assertion failure;
also, a new setting backtrace_functions can be set to a list of C
function names, and all ereport()s and elog()s from the mentioned
functions will have backtraces generated.  Finally, the function
errbacktrace() can be manually added to an ereport() call to generate a
backtrace for that call.

Authors: Peter Eisentraut, Álvaro Herrera
Discussion: https://postgr.es/m//5f48cb47-bf1e-05b6-7aae-3bf2cd01586d@2ndquadrant.com
Discussion: https://postgr.es/m/CAMsr+YGL+yfWE=JvbUbnpWtrRZNey7hJ07+zT4bYJdVp4Szdrg@mail.gmail.com
This commit is contained in:
Alvaro Herrera
2019-11-08 15:44:20 -03:00
parent 3dcffb381c
commit 71a8a4f6e3
9 changed files with 315 additions and 2 deletions
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3
src/include/utils/elog.h
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@ -189,6 +189,8 @@ extern int errcontext_msg(const char *fmt,...) pg_attribute_printf(1, 2);
extern int errhidestmt(bool hide_stmt);
extern int errhidecontext(bool hide_ctx);
extern int errbacktrace(void);
extern int errfunction(const char *funcname);
extern int errposition(int cursorpos);
@ -392,6 +394,7 @@ typedef struct ErrorData
char *detail_log; /* detail error message for server log only */
char *hint; /* hint message */
char *context; /* context message */
char *backtrace; /* backtrace */
const char *message_id; /* primary message's id (original string) */
char *schema_name; /* name of schema */
char *table_name; /* name of table */