feat: add respective json_is UDFs for JSON type (#4726)

* feat: add respective json_is UDFs

* refactor: rename to_json to parse_json

* chore: happy clippy

* chore: some rename

* fix: small fixes
This commit is contained in:
Yohan Wal
2024-09-18 19:07:30 +08:00
committed by GitHub
parent 50b3bb4c0d
commit f73fb82133
12 changed files with 688 additions and 144 deletions

View File

@@ -1,56 +0,0 @@
-- json_get functions --
SELECT json_get_int(to_json('{"a": {"b": {"c": 1}}}'), 'a.b.c');
SELECT json_get_float(to_json('{"a": {"b": {"c": 1.234}}}'), 'a:b.c');
SELECT json_get_string(to_json('{"a": {"b": {"c": "foo"}}}'), 'a.b:c');
SELECT json_get_bool(to_json('{"a": {"b": {"c": true}}}'), 'a.b["c"]');
SELECT json_get_int(to_json('{"a": {"b": {"c": {"d": 1}}}}'), 'a.b');
SELECT json_get_string(to_json('{"a": {"b": {"c": {"d": 1}}}}'), 'a.b');
-- test functions with table rows --
CREATE TABLE jsons(j JSON, ts timestamp time index);
INSERT INTO jsons VALUES(to_json('{"a": {"b": {"c": 1}}}'), 1);
INSERT INTO jsons VALUES(to_json('{"a": {"b": {"c": 1.234}}}'), 2);
INSERT INTO jsons VALUES(to_json('{"a": {"b": {"c": "foo"}}}'), 3);
INSERT INTO jsons VALUES(to_json('{"a": {"b": {"c": true}}}'), 4);
SELECT json_get_int(j, 'a.b.c') FROM jsons;
SELECT json_get_float(j, 'a["b"].c') FROM jsons;
SELECT json_get_string(j, 'a.b.c?(@ == 1)') FROM jsons;
SELECT json_get_bool(j, 'a.b.c') FROM jsons;
SELECT json_get_int(j, 'a.b["c"]') FROM jsons;
DROP TABLE jsons;
-- test functions with arrays --
CREATE TABLE jsons(j JSON, ts timestamp time index);
INSERT INTO jsons VALUES(to_json('["a", "bcde", "", "Long time ago, there is a little pig flying in the sky"]'), 1);
INSERT INTO jsons VALUES(to_json('[true, false, false, false]'), 2);
INSERT INTO jsons VALUES(to_json('[1, 0, -2147483649, 2147483648]'), 3);
INSERT INTO jsons VALUES(to_json('[1.2, 3.1415926535897932384626, -3e123, 1e100]'), 4);
SELECT json_get_int(j, '[0]') FROM jsons;
SELECT json_get_float(j, '[1]') FROM jsons;
SELECT json_get_bool(j, '[2]') FROM jsons;
SELECT json_get_string(j, '[3]') FROM jsons;
DROP TABLE jsons;

View File

@@ -1,70 +1,70 @@
-- json_get functions --
SELECT json_get_int(to_json('{"a": {"b": {"c": 1}}}'), 'a.b.c');
SELECT json_get_int(parse_json('{"a": {"b": {"c": 1}}}'), 'a.b.c');
+---------------------------------------------------------------------+
| json_get_int(to_json(Utf8("{"a": {"b": {"c": 1}}}")),Utf8("a.b.c")) |
+---------------------------------------------------------------------+
| 1 |
+---------------------------------------------------------------------+
+------------------------------------------------------------------------+
| json_get_int(parse_json(Utf8("{"a": {"b": {"c": 1}}}")),Utf8("a.b.c")) |
+------------------------------------------------------------------------+
| 1 |
+------------------------------------------------------------------------+
SELECT json_get_float(to_json('{"a": {"b": {"c": 1.234}}}'), 'a:b.c');
SELECT json_get_float(parse_json('{"a": {"b": {"c": 1.234}}}'), 'a:b.c');
+---------------------------------------------------------------------------+
| json_get_float(to_json(Utf8("{"a": {"b": {"c": 1.234}}}")),Utf8("a:b.c")) |
+---------------------------------------------------------------------------+
| 1.234 |
+---------------------------------------------------------------------------+
+------------------------------------------------------------------------------+
| json_get_float(parse_json(Utf8("{"a": {"b": {"c": 1.234}}}")),Utf8("a:b.c")) |
+------------------------------------------------------------------------------+
| 1.234 |
+------------------------------------------------------------------------------+
SELECT json_get_string(to_json('{"a": {"b": {"c": "foo"}}}'), 'a.b:c');
SELECT json_get_string(parse_json('{"a": {"b": {"c": "foo"}}}'), 'a.b:c');
+----------------------------------------------------------------------------+
| json_get_string(to_json(Utf8("{"a": {"b": {"c": "foo"}}}")),Utf8("a.b:c")) |
+----------------------------------------------------------------------------+
| foo |
+----------------------------------------------------------------------------+
+-------------------------------------------------------------------------------+
| json_get_string(parse_json(Utf8("{"a": {"b": {"c": "foo"}}}")),Utf8("a.b:c")) |
+-------------------------------------------------------------------------------+
| foo |
+-------------------------------------------------------------------------------+
SELECT json_get_bool(to_json('{"a": {"b": {"c": true}}}'), 'a.b["c"]');
SELECT json_get_bool(parse_json('{"a": {"b": {"c": true}}}'), 'a.b["c"]');
+----------------------------------------------------------------------------+
| json_get_bool(to_json(Utf8("{"a": {"b": {"c": true}}}")),Utf8("a.b["c"]")) |
+----------------------------------------------------------------------------+
| true |
+----------------------------------------------------------------------------+
+-------------------------------------------------------------------------------+
| json_get_bool(parse_json(Utf8("{"a": {"b": {"c": true}}}")),Utf8("a.b["c"]")) |
+-------------------------------------------------------------------------------+
| true |
+-------------------------------------------------------------------------------+
SELECT json_get_int(to_json('{"a": {"b": {"c": {"d": 1}}}}'), 'a.b');
+--------------------------------------------------------------------------+
| json_get_int(to_json(Utf8("{"a": {"b": {"c": {"d": 1}}}}")),Utf8("a.b")) |
+--------------------------------------------------------------------------+
| |
+--------------------------------------------------------------------------+
SELECT json_get_string(to_json('{"a": {"b": {"c": {"d": 1}}}}'), 'a.b');
SELECT json_get_int(parse_json('{"a": {"b": {"c": {"d": 1}}}}'), 'a.b');
+-----------------------------------------------------------------------------+
| json_get_string(to_json(Utf8("{"a": {"b": {"c": {"d": 1}}}}")),Utf8("a.b")) |
| json_get_int(parse_json(Utf8("{"a": {"b": {"c": {"d": 1}}}}")),Utf8("a.b")) |
+-----------------------------------------------------------------------------+
| |
+-----------------------------------------------------------------------------+
SELECT json_get_string(parse_json('{"a": {"b": {"c": {"d": 1}}}}'), 'a.b');
+--------------------------------------------------------------------------------+
| json_get_string(parse_json(Utf8("{"a": {"b": {"c": {"d": 1}}}}")),Utf8("a.b")) |
+--------------------------------------------------------------------------------+
| |
+--------------------------------------------------------------------------------+
-- test functions with table rows --
CREATE TABLE jsons(j JSON, ts timestamp time index);
Affected Rows: 0
INSERT INTO jsons VALUES(to_json('{"a": {"b": {"c": 1}}}'), 1);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": 1}}}'), 1);
Affected Rows: 1
INSERT INTO jsons VALUES(to_json('{"a": {"b": {"c": 1.234}}}'), 2);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": 1.234}}}'), 2);
Affected Rows: 1
INSERT INTO jsons VALUES(to_json('{"a": {"b": {"c": "foo"}}}'), 3);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": "foo"}}}'), 3);
Affected Rows: 1
INSERT INTO jsons VALUES(to_json('{"a": {"b": {"c": true}}}'), 4);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": true}}}'), 4);
Affected Rows: 1
@@ -132,19 +132,19 @@ CREATE TABLE jsons(j JSON, ts timestamp time index);
Affected Rows: 0
INSERT INTO jsons VALUES(to_json('["a", "bcde", "", "Long time ago, there is a little pig flying in the sky"]'), 1);
INSERT INTO jsons VALUES(parse_json('["a", "bcde", "", "Long time ago, there is a little pig flying in the sky"]'), 1);
Affected Rows: 1
INSERT INTO jsons VALUES(to_json('[true, false, false, false]'), 2);
INSERT INTO jsons VALUES(parse_json('[true, false, false, false]'), 2);
Affected Rows: 1
INSERT INTO jsons VALUES(to_json('[1, 0, -2147483649, 2147483648]'), 3);
INSERT INTO jsons VALUES(parse_json('[1, 0, -2147483649, 2147483648]'), 3);
Affected Rows: 1
INSERT INTO jsons VALUES(to_json('[1.2, 3.1415926535897932384626, -3e123, 1e100]'), 4);
INSERT INTO jsons VALUES(parse_json('[1.2, 3.1415926535897932384626, -3e123, 1e100]'), 4);
Affected Rows: 1
@@ -196,3 +196,70 @@ DROP TABLE jsons;
Affected Rows: 0
-- test functions in WHERE clause --
CREATE TABLE jsons(j JSON, ts timestamp time index);
Affected Rows: 0
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": 1}}}'), 1);
Affected Rows: 1
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": 1.234}}}'), 2);
Affected Rows: 1
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": "foo"}}}'), 3);
Affected Rows: 1
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": true}}}'), 4);
Affected Rows: 1
SELECT json_to_string(j) FROM jsons WHERE json_get_int(j, 'a.b.c') = 1;
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| {"a":{"b":{"c":1}}} |
| {"a":{"b":{"c":true}}} |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE json_get_float(j, 'a.b.c') = 1.234;
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| {"a":{"b":{"c":1.234}}} |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE json_get_string(j, 'a.b.c') = 'foo';
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| {"a":{"b":{"c":"foo"}}} |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE json_get_bool(j, 'a.b.c') = true;
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| {"a":{"b":{"c":true}}} |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE CAST(json_get_int(j, 'a.b.c') AS BOOLEAN);
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| {"a":{"b":{"c":1}}} |
| {"a":{"b":{"c":true}}} |
+-------------------------+
DROP TABLE jsons;
Affected Rows: 0

View File

@@ -0,0 +1,79 @@
-- json_get functions --
SELECT json_get_int(parse_json('{"a": {"b": {"c": 1}}}'), 'a.b.c');
SELECT json_get_float(parse_json('{"a": {"b": {"c": 1.234}}}'), 'a:b.c');
SELECT json_get_string(parse_json('{"a": {"b": {"c": "foo"}}}'), 'a.b:c');
SELECT json_get_bool(parse_json('{"a": {"b": {"c": true}}}'), 'a.b["c"]');
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');
-- test functions with table rows --
CREATE TABLE jsons(j JSON, ts timestamp time index);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": 1}}}'), 1);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": 1.234}}}'), 2);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": "foo"}}}'), 3);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": true}}}'), 4);
SELECT json_get_int(j, 'a.b.c') FROM jsons;
SELECT json_get_float(j, 'a["b"].c') FROM jsons;
SELECT json_get_string(j, 'a.b.c?(@ == 1)') FROM jsons;
SELECT json_get_bool(j, 'a.b.c') FROM jsons;
SELECT json_get_int(j, 'a.b["c"]') FROM jsons;
DROP TABLE jsons;
-- test functions with arrays --
CREATE TABLE jsons(j JSON, ts timestamp time index);
INSERT INTO jsons VALUES(parse_json('["a", "bcde", "", "Long time ago, there is a little pig flying in the sky"]'), 1);
INSERT INTO jsons VALUES(parse_json('[true, false, false, false]'), 2);
INSERT INTO jsons VALUES(parse_json('[1, 0, -2147483649, 2147483648]'), 3);
INSERT INTO jsons VALUES(parse_json('[1.2, 3.1415926535897932384626, -3e123, 1e100]'), 4);
SELECT json_get_int(j, '[0]') FROM jsons;
SELECT json_get_float(j, '[1]') FROM jsons;
SELECT json_get_bool(j, '[2]') FROM jsons;
SELECT json_get_string(j, '[3]') FROM jsons;
DROP TABLE jsons;
-- test functions in WHERE clause --
CREATE TABLE jsons(j JSON, ts timestamp time index);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": 1}}}'), 1);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": 1.234}}}'), 2);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": "foo"}}}'), 3);
INSERT INTO jsons VALUES(parse_json('{"a": {"b": {"c": true}}}'), 4);
SELECT json_to_string(j) FROM jsons WHERE json_get_int(j, 'a.b.c') = 1;
SELECT json_to_string(j) FROM jsons WHERE json_get_float(j, 'a.b.c') = 1.234;
SELECT json_to_string(j) FROM jsons WHERE json_get_string(j, 'a.b.c') = 'foo';
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);
DROP TABLE jsons;

View File

@@ -0,0 +1,175 @@
-- json_is functions --
SELECT json_is_object(parse_json('{"a": 1}'));
+----------------------------------------------+
| json_is_object(parse_json(Utf8("{"a": 1}"))) |
+----------------------------------------------+
| true |
+----------------------------------------------+
SELECT json_is_array(parse_json('[1, 2, 3]'));
+----------------------------------------------+
| json_is_array(parse_json(Utf8("[1, 2, 3]"))) |
+----------------------------------------------+
| true |
+----------------------------------------------+
SELECT json_is_int(parse_json('1'));
+------------------------------------+
| json_is_int(parse_json(Utf8("1"))) |
+------------------------------------+
| true |
+------------------------------------+
SELECT json_is_bool(parse_json('true'));
+----------------------------------------+
| json_is_bool(parse_json(Utf8("true"))) |
+----------------------------------------+
| true |
+----------------------------------------+
SELECT json_is_null(parse_json('null'));
+----------------------------------------+
| json_is_null(parse_json(Utf8("null"))) |
+----------------------------------------+
| true |
+----------------------------------------+
SELECT json_is_float(parse_json('1.2'));
+----------------------------------------+
| json_is_float(parse_json(Utf8("1.2"))) |
+----------------------------------------+
| true |
+----------------------------------------+
SELECT json_is_string(parse_json('"foo"'));
+-------------------------------------------+
| json_is_string(parse_json(Utf8(""foo""))) |
+-------------------------------------------+
| true |
+-------------------------------------------+
SELECT json_is_null(parse_json('{"a": 1}'));
+--------------------------------------------+
| json_is_null(parse_json(Utf8("{"a": 1}"))) |
+--------------------------------------------+
| false |
+--------------------------------------------+
SELECT json_is_string(parse_json('[1, 2, 3]'));
+-----------------------------------------------+
| json_is_string(parse_json(Utf8("[1, 2, 3]"))) |
+-----------------------------------------------+
| false |
+-----------------------------------------------+
SELECT json_is_float(parse_json('1'));
+--------------------------------------+
| json_is_float(parse_json(Utf8("1"))) |
+--------------------------------------+
| true |
+--------------------------------------+
-- test json_is functions in table rows and WHERE clause --
CREATE TABLE jsons(j JSON, ts timestamp time index);
Affected Rows: 0
INSERT INTO jsons VALUES(parse_json('{"a": 1}'), 1);
Affected Rows: 1
INSERT INTO jsons VALUES(parse_json('[1, 2, 3]'), 2);
Affected Rows: 1
INSERT INTO jsons VALUES(parse_json('1'), 3);
Affected Rows: 1
INSERT INTO jsons VALUES(parse_json('true'), 4);
Affected Rows: 1
INSERT INTO jsons VALUES(parse_json('null'), 5);
Affected Rows: 1
INSERT INTO jsons VALUES(parse_json('1.2'), 6);
Affected Rows: 1
INSERT INTO jsons VALUES(parse_json('"foo"'), 7);
Affected Rows: 1
SELECT json_to_string(j) FROM jsons WHERE json_is_object(j);
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| {"a":1} |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE json_is_array(j);
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| [1,2,3] |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE json_is_int(j);
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| 1 |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE json_is_bool(j);
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| true |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE json_is_null(j);
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| null |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE json_is_float(j);
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| 1 |
| 1.2 |
+-------------------------+
SELECT json_to_string(j) FROM jsons WHERE json_is_string(j);
+-------------------------+
| json_to_string(jsons.j) |
+-------------------------+
| "foo" |
+-------------------------+
DROP TABLE jsons;
Affected Rows: 0

View File

@@ -0,0 +1,53 @@
-- json_is functions --
SELECT json_is_object(parse_json('{"a": 1}'));
SELECT json_is_array(parse_json('[1, 2, 3]'));
SELECT json_is_int(parse_json('1'));
SELECT json_is_bool(parse_json('true'));
SELECT json_is_null(parse_json('null'));
SELECT json_is_float(parse_json('1.2'));
SELECT json_is_string(parse_json('"foo"'));
SELECT json_is_null(parse_json('{"a": 1}'));
SELECT json_is_string(parse_json('[1, 2, 3]'));
SELECT json_is_float(parse_json('1'));
-- test json_is functions in table rows and WHERE clause --
CREATE TABLE jsons(j JSON, ts timestamp time index);
INSERT INTO jsons VALUES(parse_json('{"a": 1}'), 1);
INSERT INTO jsons VALUES(parse_json('[1, 2, 3]'), 2);
INSERT INTO jsons VALUES(parse_json('1'), 3);
INSERT INTO jsons VALUES(parse_json('true'), 4);
INSERT INTO jsons VALUES(parse_json('null'), 5);
INSERT INTO jsons VALUES(parse_json('1.2'), 6);
INSERT INTO jsons VALUES(parse_json('"foo"'), 7);
SELECT json_to_string(j) FROM jsons WHERE json_is_object(j);
SELECT json_to_string(j) FROM jsons WHERE json_is_array(j);
SELECT json_to_string(j) FROM jsons WHERE json_is_int(j);
SELECT json_to_string(j) FROM jsons WHERE json_is_bool(j);
SELECT json_to_string(j) FROM jsons WHERE json_is_null(j);
SELECT json_to_string(j) FROM jsons WHERE json_is_float(j);
SELECT json_to_string(j) FROM jsons WHERE json_is_string(j);
DROP TABLE jsons;

View File

@@ -41,19 +41,19 @@ INSERT INTO jsons VALUES('[null]', 0),
Affected Rows: 12
INSERT INTO jsons VALUES(to_json('[null]'), 12),
(to_json('[true]'), 13),
(to_json('[false]'), 14),
(to_json('[0]'), 15),
(to_json('["foo"]'), 16),
(to_json('[]'), 17),
(to_json('{}'), 18),
(to_json('[0,1]'), 19),
(to_json('{"foo":"bar"}'), 20),
(to_json('{"a":null,"foo":"bar"}'), 21),
(to_json('[-1]'), 22),
(to_json('[-2147483648]'), 23),
(to_json('{"entities": {
INSERT INTO jsons VALUES(parse_json('[null]'), 12),
(parse_json('[true]'), 13),
(parse_json('[false]'), 14),
(parse_json('[0]'), 15),
(parse_json('["foo"]'), 16),
(parse_json('[]'), 17),
(parse_json('{}'), 18),
(parse_json('[0,1]'), 19),
(parse_json('{"foo":"bar"}'), 20),
(parse_json('{"a":null,"foo":"bar"}'), 21),
(parse_json('[-1]'), 22),
(parse_json('[-2147483648]'), 23),
(parse_json('{"entities": {
"description": {
"urls": [
{
@@ -117,11 +117,11 @@ DELETE FROM jsons;
Affected Rows: 25
INSERT INTO jsons VALUES(to_json('{"a":1, "b":2, "c":3'), 4);
INSERT INTO jsons VALUES(parse_json('{"a":1, "b":2, "c":3'), 4);
Error: 3001(EngineExecuteQuery), DataFusion error: Invalid function args: Cannot convert the string to json, have: {"a":1, "b":2, "c":3
INSERT INTO jsons VALUES(to_json('Morning my friends, have a nice day :)'), 5);
INSERT INTO jsons VALUES(parse_json('Morning my friends, have a nice day :)'), 5);
Error: 3001(EngineExecuteQuery), DataFusion error: Invalid function args: Cannot convert the string to json, have: Morning my friends, have a nice day :)

View File

@@ -37,19 +37,19 @@ INSERT INTO jsons VALUES('[null]', 0),
}
}}', 11);
INSERT INTO jsons VALUES(to_json('[null]'), 12),
(to_json('[true]'), 13),
(to_json('[false]'), 14),
(to_json('[0]'), 15),
(to_json('["foo"]'), 16),
(to_json('[]'), 17),
(to_json('{}'), 18),
(to_json('[0,1]'), 19),
(to_json('{"foo":"bar"}'), 20),
(to_json('{"a":null,"foo":"bar"}'), 21),
(to_json('[-1]'), 22),
(to_json('[-2147483648]'), 23),
(to_json('{"entities": {
INSERT INTO jsons VALUES(parse_json('[null]'), 12),
(parse_json('[true]'), 13),
(parse_json('[false]'), 14),
(parse_json('[0]'), 15),
(parse_json('["foo"]'), 16),
(parse_json('[]'), 17),
(parse_json('{}'), 18),
(parse_json('[0,1]'), 19),
(parse_json('{"foo":"bar"}'), 20),
(parse_json('{"a":null,"foo":"bar"}'), 21),
(parse_json('[-1]'), 22),
(parse_json('[-2147483648]'), 23),
(parse_json('{"entities": {
"description": {
"urls": [
{
@@ -79,9 +79,9 @@ SELECT json_to_string(j), t FROM jsons;
--Insert invalid json strings--
DELETE FROM jsons;
INSERT INTO jsons VALUES(to_json('{"a":1, "b":2, "c":3'), 4);
INSERT INTO jsons VALUES(parse_json('{"a":1, "b":2, "c":3'), 4);
INSERT INTO jsons VALUES(to_json('Morning my friends, have a nice day :)'), 5);
INSERT INTO jsons VALUES(parse_json('Morning my friends, have a nice day :)'), 5);
SELECT json_to_string(j), t FROM jsons;