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Support 'q' flag in jsonpath 'like_regex' predicate

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SQL/JSON standard defines that jsonpath 'like_regex' predicate should support
the same set of flags as XQuery/XPath.  It appears that implementation of 'q'
flag was missed.  This commit fixes that.

Discussion: https://postgr.es/m/CAPpHfdtyfPsxLYiTjp5Ov8T5xGsB5t3CwE5%2B3PS%3DLLwA%2BxTJog%40mail.gmail.com
Author: Nikita Glukhov, Alexander Korotkov
This commit is contained in:
Alexander Korotkov
2019-06-19 22:40:58 +03:00
parent d8594d123c
commit 261a5c1928
8 changed files with 85 additions and 0 deletions
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36
src/test/regress/expected/jsonb_jsonpath.out
View File

@ -1622,6 +1622,42 @@ select jsonb_path_query('[null, 1, "abc", "abd", "aBdC", "abdacb", "adc\nabc", "
"abdacb"
(2 rows)
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "a\\b" flag "q")');
jsonb_path_query
------------------
"a\\b"
"^a\\b$"
(2 rows)
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "a\\b" flag "")');
jsonb_path_query
------------------
"a\b"
(1 row)
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\b$" flag "q")');
jsonb_path_query
------------------
"^a\\b$"
(1 row)
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\B$" flag "q")');
jsonb_path_query
------------------
(0 rows)
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\B$" flag "iq")');
jsonb_path_query
------------------
"^a\\b$"
(1 row)
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\b$" flag "")');
jsonb_path_query
------------------
"a\b"
(1 row)
-- jsonpath operators
SELECT jsonb_path_query('[{"a": 1}, {"a": 2}]', '$[*]');
jsonb_path_query

18
src/test/regress/expected/jsonpath.out
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@ -453,6 +453,24 @@ select '$ ? (@ like_regex "pattern" flag "xsms")'::jsonpath;
$?(@ like_regex "pattern" flag "sx")
(1 row)
select '$ ? (@ like_regex "pattern" flag "q")'::jsonpath;
jsonpath
-------------------------------------
$?(@ like_regex "pattern" flag "q")
(1 row)
select '$ ? (@ like_regex "pattern" flag "iq")'::jsonpath;
jsonpath
--------------------------------------
$?(@ like_regex "pattern" flag "iq")
(1 row)
select '$ ? (@ like_regex "pattern" flag "smixq")'::jsonpath;
jsonpath
----------------------------------------
$?(@ like_regex "pattern" flag "imxq")
(1 row)
select '$ ? (@ like_regex "pattern" flag "a")'::jsonpath;
ERROR: invalid input syntax for type jsonpath
LINE 1: select '$ ? (@ like_regex "pattern" flag "a")'::jsonpath;

6
src/test/regress/sql/jsonb_jsonpath.sql
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@ -339,6 +339,12 @@ select jsonb_path_query('[null, 1, "abc", "abd", "aBdC", "abdacb", "adc\nabc", "
select jsonb_path_query('[null, 1, "abc", "abd", "aBdC", "abdacb", "adc\nabc", "babc"]', 'lax $[*] ? (@ like_regex "^a b.* c " flag "ix")');
select jsonb_path_query('[null, 1, "abc", "abd", "aBdC", "abdacb", "adc\nabc", "babc"]', 'lax $[*] ? (@ like_regex "^ab.*c" flag "m")');
select jsonb_path_query('[null, 1, "abc", "abd", "aBdC", "abdacb", "adc\nabc", "babc"]', 'lax $[*] ? (@ like_regex "^ab.*c" flag "s")');
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "a\\b" flag "q")');
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "a\\b" flag "")');
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\b$" flag "q")');
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\B$" flag "q")');
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\B$" flag "iq")');
select jsonb_path_query('[null, 1, "a\b", "a\\b", "^a\\b$"]', 'lax $[*] ? (@ like_regex "^a\\b$" flag "")');
-- jsonpath operators

3
src/test/regress/sql/jsonpath.sql
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@ -83,6 +83,9 @@ select '$ ? (@ like_regex "pattern" flag "i")'::jsonpath;
select '$ ? (@ like_regex "pattern" flag "is")'::jsonpath;
select '$ ? (@ like_regex "pattern" flag "isim")'::jsonpath;
select '$ ? (@ like_regex "pattern" flag "xsms")'::jsonpath;
select '$ ? (@ like_regex "pattern" flag "q")'::jsonpath;
select '$ ? (@ like_regex "pattern" flag "iq")'::jsonpath;
select '$ ? (@ like_regex "pattern" flag "smixq")'::jsonpath;
select '$ ? (@ like_regex "pattern" flag "a")'::jsonpath;
select '$ < 1'::jsonpath;