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Numeric error suppression in jsonpath

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Add support of numeric error suppression to jsonpath as it's required by
standard.  This commit doesn't use PG_TRY()/PG_CATCH() in order to implement
that.  Instead, it provides internal versions of numeric functions used, which
support error suppression.

Discussion: https://postgr.es/m/fcc6fc6a-b497-f39a-923d-aa34d0c588e8%402ndQuadrant.com
Author: Alexander Korotkov, Nikita Glukhov
Reviewed-by: Tomas Vondra
This commit is contained in:
Alexander Korotkov
2019-03-16 12:21:19 +03:00
parent 72b6460336
commit 16d489b0fe
7 changed files with 353 additions and 97 deletions
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35
src/test/regress/expected/jsonb_jsonpath.out
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@ -127,13 +127,23 @@ select jsonb_path_query('[1]', 'strict $[1]', silent => true);
(0 rows)
select jsonb '[1]' @? 'lax $[10000000000000000]';
ERROR: integer out of range
?column?
----------
(1 row)
select jsonb '[1]' @? 'strict $[10000000000000000]';
ERROR: integer out of range
?column?
----------
(1 row)
select jsonb_path_query('[1]', 'lax $[10000000000000000]');
ERROR: integer out of range
ERROR: invalid SQL/JSON subscript
DETAIL: jsonpath array subscript is out of integer range
select jsonb_path_query('[1]', 'strict $[10000000000000000]');
ERROR: integer out of range
ERROR: invalid SQL/JSON subscript
DETAIL: jsonpath array subscript is out of integer range
select jsonb '[1]' @? '$[0]';
?column?
----------
@ -1037,9 +1047,19 @@ select jsonb '1' @? '$ ? ($ > 0)';
-- arithmetic errors
select jsonb_path_query('[1,2,0,3]', '$[*] ? (2 / @ > 0)');
ERROR: division by zero
jsonb_path_query
------------------
1
2
3
(3 rows)
select jsonb_path_query('[1,2,0,3]', '$[*] ? ((2 / @ > 0) is unknown)');
ERROR: division by zero
jsonb_path_query
------------------
0
(1 row)
select jsonb_path_query('0', '1 / $');
ERROR: division by zero
select jsonb_path_query('0', '1 / $ + 2');
@ -1502,7 +1522,8 @@ select jsonb_path_query('"1.23"', '$.double()');
(1 row)
select jsonb_path_query('"1.23aaa"', '$.double()');
ERROR: invalid input syntax for type double precision: "1.23aaa"
ERROR: non-numeric SQL/JSON item
DETAIL: jsonpath item method .double() can only be applied to a numeric value
select jsonb_path_query('"nan"', '$.double()');
jsonb_path_query
------------------