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pg_tracing.max_parameter_size GUC parameter was present but never used. Use it to apply possibly truncate string stored in the parameter buffer shared across a traced transaction.
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,217 @@ | ||
-- Check that parameters are not exported when disabled | ||
SET pg_tracing.max_parameter_size=0; | ||
/*traceparent='00-00000000000000000000000000000001-0000000000000001-01'*/ select 1, 2, 3; | ||
?column? | ?column? | ?column? | ||
----------+----------+---------- | ||
1 | 2 | 3 | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000001'; | ||
span_operation | parameters | lvl | ||
--------------------+------------+----- | ||
select $1, $2, $3; | | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
-- Saturate the parameter buffer | ||
SET pg_tracing.max_parameter_size=1; | ||
/*traceparent='00-00000000000000000000000000000002-0000000000000002-01'*/ select 1, 2, 3; | ||
?column? | ?column? | ?column? | ||
----------+----------+---------- | ||
1 | 2 | 3 | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000002'; | ||
span_operation | parameters | lvl | ||
--------------------+-------------+----- | ||
select $1, $2, $3; | {1,...,...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
SET pg_tracing.max_parameter_size=2; | ||
/*traceparent='00-00000000000000000000000000000003-0000000000000003-01'*/ select 1, 2, 3; | ||
?column? | ?column? | ?column? | ||
----------+----------+---------- | ||
1 | 2 | 3 | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000003'; | ||
span_operation | parameters | lvl | ||
--------------------+-------------+----- | ||
select $1, $2, $3; | {1,...,...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
SET pg_tracing.max_parameter_size=3; | ||
/*traceparent='00-00000000000000000000000000000004-0000000000000004-01'*/ select 1, 2, 3; | ||
?column? | ?column? | ?column? | ||
----------+----------+---------- | ||
1 | 2 | 3 | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000004'; | ||
span_operation | parameters | lvl | ||
--------------------+------------+----- | ||
select $1, $2, $3; | {1,2,...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
SET pg_tracing.max_parameter_size=4; | ||
/*traceparent='00-00000000000000000000000000000005-0000000000000005-01'*/ select 1, 2, 3; | ||
?column? | ?column? | ?column? | ||
----------+----------+---------- | ||
1 | 2 | 3 | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000005'; | ||
span_operation | parameters | lvl | ||
--------------------+------------+----- | ||
select $1, $2, $3; | {1,2,...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
SET pg_tracing.max_parameter_size=5; | ||
/*traceparent='00-00000000000000000000000000000006-0000000000000006-01'*/ select 1, 2, 3; | ||
?column? | ?column? | ?column? | ||
----------+----------+---------- | ||
1 | 2 | 3 | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000006'; | ||
span_operation | parameters | lvl | ||
--------------------+------------+----- | ||
select $1, $2, $3; | {1,2,3} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
CALL clean_spans(); | ||
-- Test truncated string | ||
SET pg_tracing.max_parameter_size=2; | ||
/*traceparent='00-00000000000000000000000000000001-0000000000000001-01'*/ select 'testtruncatedstring'; | ||
?column? | ||
--------------------- | ||
testtruncatedstring | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000001'; | ||
span_operation | parameters | lvl | ||
----------------+------------+----- | ||
select $1; | {'t...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
SET pg_tracing.max_parameter_size=19; | ||
/*traceparent='00-00000000000000000000000000000002-0000000000000002-01'*/ select 'testtruncatedstring'; | ||
?column? | ||
--------------------- | ||
testtruncatedstring | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000002'; | ||
span_operation | parameters | lvl | ||
----------------+--------------------------+----- | ||
select $1; | {'testtruncatedstrin...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
SET pg_tracing.max_parameter_size=20; | ||
/*traceparent='00-00000000000000000000000000000003-0000000000000003-01'*/ select 'testtruncatedstring'; | ||
?column? | ||
--------------------- | ||
testtruncatedstring | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000003'; | ||
span_operation | parameters | lvl | ||
----------------+---------------------------+----- | ||
select $1; | {'testtruncatedstring...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
SET pg_tracing.max_parameter_size=21; | ||
/*traceparent='00-00000000000000000000000000000004-0000000000000004-01'*/ select 'testtruncatedstring'; | ||
?column? | ||
--------------------- | ||
testtruncatedstring | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000004'; | ||
span_operation | parameters | lvl | ||
----------------+-------------------------+----- | ||
select $1; | {'testtruncatedstring'} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
CALL clean_spans(); | ||
-- Saturate the parameter buffer with extended protocol | ||
SET pg_tracing.max_parameter_size=1; | ||
/*traceparent='00-00000000000000000000000000000001-0000000000000001-01'*/ select $1, $2, $3 \bind 1 2 3 \g | ||
?column? | ?column? | ?column? | ||
----------+----------+---------- | ||
1 | 2 | 3 | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000001'; | ||
span_operation | parameters | lvl | ||
-------------------+-------------+----- | ||
select $1, $2, $3 | {1,...,...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
SET pg_tracing.max_parameter_size=2; | ||
/*traceparent='00-00000000000000000000000000000002-0000000000000002-01'*/ select $1, $2, $3 \bind 1 2 3 \g | ||
?column? | ?column? | ?column? | ||
----------+----------+---------- | ||
1 | 2 | 3 | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000002'; | ||
span_operation | parameters | lvl | ||
-------------------+-------------+----- | ||
select $1, $2, $3 | {1,...,...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
SET pg_tracing.max_parameter_size=3; | ||
/*traceparent='00-00000000000000000000000000000003-0000000000000003-01'*/ select $1, $2, $3 \bind 1 2 3 \g | ||
?column? | ?column? | ?column? | ||
----------+----------+---------- | ||
1 | 2 | 3 | ||
(1 row) | ||
|
||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000003'; | ||
span_operation | parameters | lvl | ||
-------------------+------------+----- | ||
select $1, $2, $3 | {1,2,...} | 1 | ||
Planner | | 2 | ||
ExecutorRun | | 2 | ||
Result | | 3 | ||
(4 rows) | ||
|
||
-- Cleanup | ||
CALL clean_spans(); | ||
CALL reset_settings(); |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,63 @@ | ||
-- Check that parameters are not exported when disabled | ||
SET pg_tracing.max_parameter_size=0; | ||
/*traceparent='00-00000000000000000000000000000001-0000000000000001-01'*/ select 1, 2, 3; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000001'; | ||
|
||
-- Saturate the parameter buffer | ||
SET pg_tracing.max_parameter_size=1; | ||
/*traceparent='00-00000000000000000000000000000002-0000000000000002-01'*/ select 1, 2, 3; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000002'; | ||
|
||
SET pg_tracing.max_parameter_size=2; | ||
/*traceparent='00-00000000000000000000000000000003-0000000000000003-01'*/ select 1, 2, 3; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000003'; | ||
|
||
SET pg_tracing.max_parameter_size=3; | ||
/*traceparent='00-00000000000000000000000000000004-0000000000000004-01'*/ select 1, 2, 3; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000004'; | ||
|
||
SET pg_tracing.max_parameter_size=4; | ||
/*traceparent='00-00000000000000000000000000000005-0000000000000005-01'*/ select 1, 2, 3; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000005'; | ||
|
||
SET pg_tracing.max_parameter_size=5; | ||
/*traceparent='00-00000000000000000000000000000006-0000000000000006-01'*/ select 1, 2, 3; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000006'; | ||
CALL clean_spans(); | ||
|
||
-- Test truncated string | ||
SET pg_tracing.max_parameter_size=2; | ||
/*traceparent='00-00000000000000000000000000000001-0000000000000001-01'*/ select 'testtruncatedstring'; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000001'; | ||
|
||
SET pg_tracing.max_parameter_size=19; | ||
/*traceparent='00-00000000000000000000000000000002-0000000000000002-01'*/ select 'testtruncatedstring'; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000002'; | ||
|
||
SET pg_tracing.max_parameter_size=20; | ||
/*traceparent='00-00000000000000000000000000000003-0000000000000003-01'*/ select 'testtruncatedstring'; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000003'; | ||
|
||
SET pg_tracing.max_parameter_size=21; | ||
/*traceparent='00-00000000000000000000000000000004-0000000000000004-01'*/ select 'testtruncatedstring'; | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000004'; | ||
|
||
CALL clean_spans(); | ||
|
||
|
||
-- Saturate the parameter buffer with extended protocol | ||
SET pg_tracing.max_parameter_size=1; | ||
/*traceparent='00-00000000000000000000000000000001-0000000000000001-01'*/ select $1, $2, $3 \bind 1 2 3 \g | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000001'; | ||
|
||
SET pg_tracing.max_parameter_size=2; | ||
/*traceparent='00-00000000000000000000000000000002-0000000000000002-01'*/ select $1, $2, $3 \bind 1 2 3 \g | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000002'; | ||
|
||
SET pg_tracing.max_parameter_size=3; | ||
/*traceparent='00-00000000000000000000000000000003-0000000000000003-01'*/ select $1, $2, $3 \bind 1 2 3 \g | ||
SELECT span_operation, parameters, lvl from peek_ordered_spans where trace_id='00000000000000000000000000000003'; | ||
|
||
-- Cleanup | ||
CALL clean_spans(); | ||
CALL reset_settings(); |
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