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Emit parameter values during query bind/execute errors

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This makes such log entries more useful, since the cause of the error
can be dependent on the parameter values.

Author: Alexey Bashtanov, Álvaro Herrera
Discussion: https://postgr.es/m/0146a67b-a22a-0519-9082-bc29756b93a2@imap.cc
Reviewed-by: Peter Eisentraut, Andres Freund, Tom Lane
This commit is contained in:
Alvaro Herrera
2019-12-11 18:03:35 -03:00
parent 16114f2ea0
commit ba79cb5dc8
8 changed files with 271 additions and 47 deletions
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10
src/backend/utils/misc/guc.c
View File

@@ -486,6 +486,7 @@ extern const struct config_enum_entry dynamic_shared_memory_options[];
* GUC option variables that are exported from this module
*/
bool log_duration = false;
bool log_parameters_on_error = false;
bool Debug_print_plan = false;
bool Debug_print_parse = false;
bool Debug_print_rewritten = false;
@@ -1300,6 +1301,15 @@ static struct config_bool ConfigureNamesBool[] =
false,
NULL, NULL, NULL
},
{
{"log_parameters_on_error", PGC_SUSET, LOGGING_WHAT,
gettext_noop("Logs bind parameters of the logged statements where possible."),
NULL
},
&log_parameters_on_error,
false,
NULL, NULL, NULL
},
{
{"debug_print_parse", PGC_USERSET, LOGGING_WHAT,
gettext_noop("Logs each query's parse tree."),

1
src/backend/utils/misc/postgresql.conf.sample
View File

@@ -544,6 +544,7 @@
# e.g. '<%u%%%d> '
#log_lock_waits = off # log lock waits >= deadlock_timeout
#log_statement = 'none' # none, ddl, mod, all
#log_parameters_on_error = off # on error log statements with bind parameters
#log_replication_commands = off
#log_temp_files = -1 # log temporary files equal or larger
# than the specified size in kilobytes;