rust/greptimedb
1
0
Fork 0
mirror of https://github.com/GreptimeTeam/greptimedb.git synced 2026-05-28 19:00:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat: udf json_get_object (#7241)

Browse Source 
Signed-off-by: luofucong <luofc@foxmail.com>
This commit is contained in:
LFC
2025-11-21 12:50:38 +08:00
committed by GitHub
parent 0b4f00feef
commit c02754b44c
5 changed files with 290 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
tests/cases/standalone/common/function/json/json_get.sql
View File

@@ -11,6 +11,12 @@ SELECT json_get_int(parse_json('{"a": {"b": {"c": {"d": 1}}}}'), 'a.b');
SELECT json_get_string(parse_json('{"a": {"b": {"c": {"d": 1}}}}'), 'a.b');
SELECT json_to_string(json_get_object(parse_json('{"a": {"b": {"c": {"d": 42}}}}'), 'a.b.c'));
SELECT json_get_int(json_get_object(parse_json('{"a": {"b": {"c": {"d": 42}}}}'), 'a.b.c'), 'd');
SELECT json_get_object(parse_json('{"a": {"b": {"c": {"d": 42}}}}'), 'a.e');
-- test functions with table rows --
CREATE TABLE jsons(j JSON, ts timestamp time index);
@@ -32,6 +38,12 @@ SELECT json_get_bool(j, 'a.b.c') FROM jsons;
SELECT json_get_int(j, 'a.b["c"]') FROM jsons;
SELECT json_to_string(json_get_object(j, 'a.b')) FROM jsons;
SELECT json_get_string(json_get_object(j, 'a.b'), 'c') FROM jsons;
SELECT json_get_object(j, 'a.x') FROM jsons;
DROP TABLE jsons;
-- test functions with arrays --
@@ -45,6 +57,8 @@ INSERT INTO jsons VALUES(parse_json('[1, 0, -2147483649, 2147483648]'), 3);
INSERT INTO jsons VALUES(parse_json('[1.2, 3.1415926535897932384626, -3e123, 1e100]'), 4);
INSERT INTO jsons VALUES(parse_json('[{"a": {"i": 1}}, {"a": {"i": 2}}, {"a": {"i": 3}}]'), 5);
SELECT json_get_int(j, '[0]') FROM jsons;
SELECT json_get_float(j, '[1]') FROM jsons;
@@ -53,6 +67,12 @@ SELECT json_get_bool(j, '[2]') FROM jsons;
SELECT json_get_string(j, '[3]') FROM jsons;
SELECT json_to_string(json_get_object(j, '[0]')) FROM jsons;
SELECT json_get_int(json_get_object(j, '[0]'), 'a.i') FROM jsons;
SELECT json_get_int(json_get_object(j, '[9]'), 'a.i') FROM jsons;
DROP TABLE jsons;
-- test functions in WHERE clause --
@@ -76,4 +96,10 @@ SELECT json_to_string(j) FROM jsons WHERE json_get_bool(j, 'a.b.c') = true;
SELECT json_to_string(j) FROM jsons WHERE CAST(json_get_int(j, 'a.b.c') AS BOOLEAN);
SELECT json_to_string(j) FROM jsons WHERE json_get_string(json_get_object(j, 'a.b'), 'c') == 'foo';
SELECT json_to_string(j) FROM jsons WHERE json_to_string(json_get_object(j, 'a.b')) == '{"c":1}';
SELECT json_to_string(j) FROM jsons WHERE json_get_string(json_get_object(j, 'a.x'), 'c') == 'foo';
DROP TABLE jsons;