add doc of func

docs/MatrixOne/Reference/Functions-and-Operators/Datetime/now.md

@@ -29,6 +29,14 @@ mysql> select now();
 +----------------------------+
 1 row in set (0.03 sec)
 
+mysql> select now()+1;
++-------------------+
+| now() + 1         |
++-------------------+
+| 1730168483.512705 |
++-------------------+
+1 row in set (0.00 sec)
+
 mysql> select now(6);
 +----------------------------+
 | now(6)                     |

docs/MatrixOne/Reference/Functions-and-Operators/Json/jq.md

@@ -0,0 +1,49 @@
+# **JQ()**
+
+## **函数说明**
+
+`JQ()` 函数用于根据 jq 表达式解析和转换 JSON 数据。与 [`TRY_JQ()`](./try_jq.md) 不同的是，`TRY_JQ()` 支持出错时返回空值，而 `JQ()` 遇到错误则直接抛出异常。
+
+## **语法结构**
+
+```sql
+select jq(jsonDoc, pathExpression);
+```
+
+## **参数释义**
+
+|  参数   | 说明 |
+|  ----  | ----  |
+| jsonDoc  | 这是包含 JSON 数据的列或表达式。|
+| pathExpression  | 用于指定如何从 JSON 数据中提取字段|
+
+## **示例**
+
+```sql
+mysql> select jq('{"foo": 128}', '.foo');
++------------------------+
+| jq({"foo": 128}, .foo) |
++------------------------+
+| 128                    |
++------------------------+
+1 row in set (0.01 sec)
+
+mysql> select jq(null, '.foo');
++----------------+
+| jq(null, .foo) |
++----------------+
+| NULL           |
++----------------+
+1 row in set (0.00 sec)
+
+mysql> select jq('{"id": "sample", "10": {"b": 42}}', '{(.id): .["10"].b}');
++-----------------------------------------------------------+
+| jq({"id": "sample", "10": {"b": 42}}, {(.id): .["10"].b}) |
++-----------------------------------------------------------+
+| {"sample":42}                                             |
++-----------------------------------------------------------+
+1 row in set (0.00 sec)
+
+mysql> select jq('[1, 2, 3]', '.foo & .bar');
+ERROR 1105 (HY000): unexpected token "&"
+```

docs/MatrixOne/Reference/Functions-and-Operators/Json/json_row.md

@@ -0,0 +1,33 @@
+# **JSON_ROW()**
+
+## **函数说明**
+
+`JSON_ROW()` 用于将每一行转化为 json 数组。
+
+## **语法结构**
+
+```sql
+select json_row(col) from tabl_name;
+```
+
+## **示例**
+
+```sql
+create table student(n1 int,n2 json);
+insert into student values
+    (1,'{"name": "tom", "age": 18, "score": 90,"gender": "male"}'),
+    (2,'{"name": "bob", "age": 20, "score": 80,"gender": "male"}'),
+    (3,'{"name": "jane", "age": 17, "score": 95,"gender": "female"}'),
+    (4,'{"name": "lily", "age": 19, "score": 79,"gender": "female"}');
+
+mysql> select json_row(null,n2)  from student;
++---------------------------------------------------------------------+
+| json_row(null, n2)                                                  |
++---------------------------------------------------------------------+
+| [null,{"age": 18, "gender": "male", "name": "tom", "score": 90}]    |
+| [null,{"age": 20, "gender": "male", "name": "bob", "score": 80}]    |
+| [null,{"age": 17, "gender": "female", "name": "jane", "score": 95}] |
+| [null,{"age": 19, "gender": "female", "name": "lily", "score": 79}] |
++---------------------------------------------------------------------+
+4 rows in set (0.00 sec) 
+```

docs/MatrixOne/Reference/Functions-and-Operators/Json/try_jq.md

@@ -0,0 +1,54 @@
+# **TRY_JQ()**
+
+## **函数说明**
+
+`TRY_JQ()` 函数用于根据 jq 表达式解析和转换 JSON 数据。与 [`JQ()`](./jq.md) 不同的是，`TRY_JQ()` 支持出错时返回空值，而 `JQ()` 遇到错误则直接抛出异常。
+
+## **语法结构**
+
+```sql
+select try_jq(jsonDoc, pathExpression);
+```
+
+## **参数释义**
+
+|  参数   | 说明 |
+|  ----  | ----  |
+| jsonDoc  | 这是包含 JSON 数据的列或表达式。|
+| pathExpression  | 用于指定如何从 JSON 数据中提取字段|
+
+## **示例**
+
+```sql
+mysql> select try_jq('{"foo": 128}', '.foo');
++----------------------------+
+| try_jq({"foo": 128}, .foo) |
++----------------------------+
+| 128                        |
++----------------------------+
+1 row in set (0.00 sec)
+
+mysql> select try_jq(null, '.foo');
++--------------------+
+| try_jq(null, .foo) |
++--------------------+
+| NULL               |
++--------------------+
+1 row in set (0.00 sec)
+
+mysql> select try_jq('{"id": "sample", "10": {"b": 42}}', '{(.id): .["10"].b}');
++---------------------------------------------------------------+
+| try_jq({"id": "sample", "10": {"b": 42}}, {(.id): .["10"].b}) |
++---------------------------------------------------------------+
+| {"sample":42}                                                 |
++---------------------------------------------------------------+
+1 row in set (0.00 sec)
+
+mysql> select try_jq('[1, 2, 3]', '.foo & .bar');
++--------------------------------+
+| try_jq([1, 2, 3], .foo & .bar) |
++--------------------------------+
+| NULL                           |
++--------------------------------+
+1 row in set (0.00 sec)
+```

docs/MatrixOne/Reference/Functions-and-Operators/matrixone-function-list.md

@@ -174,11 +174,14 @@
 
 | 函数名称                                       | 作用                                     |
 | --------------------------------------------- | --------------------------------------- |
+| [JQ()](./Json/jq.md)    | 用于根据 jq 表达式解析和转换 JSON 数据|
 | [JSON_EXTRACT()](./Json/json_extract.md)    | 从 JSON 文档返回数据|
 | [JSON_EXTRACT_FLOAT64()](./Json/json_extract_float64.md)    | 从 JSON 数据中提取指定路径的数值的值|
 | [JSON_EXTRACT_STRING()](./Json/json_extract_string.md)      | 从 JSON 数据中提取指定路径的字符串的值|
 | [JSON_QUOTE()](./Json/json_quote.md)      | 引用 JSON 文档|
+| [JSON_ROW()](./Json/json_row.md)      | 用于将每一行转化为 json 数组|
 | [JSON_UNQUOTE()](./Json/json_unquote.md)    | 取消引用 JSON 文档|
+| [TRY_JQ()](./Json/try_jq.md)    | 用于根据 jq 表达式解析和转换 JSON 数据，并提供容错机制|
 
 ## 系统运维函数
 

docs/MatrixOne/Reference/Operators/operators/cast-functions-and-operators/cast-functions-and-operators-overview.md

@@ -5,5 +5,7 @@
 | [BINARY()](binary.md) | 将值转换为二进制字符串的函数 |
 | [CAST()](cast.md) | 将值转换为特定类型，用于小数转数值和字符型 |
 | [CONVERT()](convert.md) | 将值转换为特定类型，用于日期和时间值、小数之间进行转换 |
+| [DECODE()](decode.md) | 用于对 ENCODE() 编码的数据进行解密 |
+| [ENCODE()](encode.md) | 用于对字符串进行对称加密 |
 | [SERIAL()](serial.md) | 将连接串序列化，不处理 NULL 值 |
 | [SERIAL_FULL()](serial_full.md) | 将连接串序列化，处理 NULL 值 |

docs/MatrixOne/Reference/Operators/operators/cast-functions-and-operators/decode.md

@@ -0,0 +1,47 @@
+# **DECODE()**
+
+## **函数说明**
+
+`DECODE()` 函数用于对 [`ENCODE()`](./encode.md) 编码的数据进行解密。
+
+## **函数语法**
+
+```
+> DECODE(crypt_str, pass_str)
+```
+
+## **参数释义**
+
+|  参数             | 说明                           |
+|  --------------- | ------------------------------ |
+| crypt_str        | 通过 ENCODE() 编码后的加密字符串。           |
+| pass_str         | 用于解密的密码字符串，必须与加密时使用的密钥相同。     |
+
+## **示例**
+
+```SQL
+mysql> SELECT DECODE(ENCODE('hello', 'mysecretkey'), 'mysecretkey');
++-------------------------------------------------+
+| DECODE(ENCODE(hello, mysecretkey), mysecretkey) |
++-------------------------------------------------+
+| hello                                           |
++-------------------------------------------------+
+1 row in set (0.00 sec)
+
+CREATE TABLE users (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    username VARCHAR(255),
+    encrypted_password BLOB
+);
+
+INSERT INTO users (username, encrypted_password)
+VALUES ('john', ENCODE('password123', 'mysecretkey'));
+
+mysql> SELECT username, DECODE(encrypted_password, 'mysecretkey') AS decrypted_password FROM users WHERE username = 'john';
++----------+--------------------+
+| username | decrypted_password |
++----------+--------------------+
+| john     | password123        |
++----------+--------------------+
+1 row in set (0.00 sec)
+```

docs/MatrixOne/Reference/Operators/operators/cast-functions-and-operators/encode.md

@@ -0,0 +1,30 @@
+# **ENCODE()**
+
+## **函数说明**
+
+`ENCODE()` 函数用于对字符串进行对称加密。它通过结合一个秘钥来对字符串进行编码，并且解码时需要使用相同的密钥。需配合 [`DECODE()`](./decode.md) 解密。
+
+## **函数语法**
+
+```
+> ENCODE (str, pass_str);
+```
+
+## **参数释义**
+
+|  参数             | 说明                           |
+|  --------------- | ------------------------------ |
+| str              | 要编码的原始字符串。           |
+| pass_str         | 用于加密的密码字符串（密钥）。    |
+
+## **示例**
+
+```SQL
+mysql> SELECT ENCODE('hello', 'mysecretkey');
++----------------------------+
+| ENCODE(hello, mysecretkey) |
++----------------------------+
+| ?;?                         |
++----------------------------+
+1 row in set (0.00 sec)
+```

mkdocs.yml

@@ -482,6 +482,8 @@ nav:
               - BINARY: MatrixOne/Reference/Operators/operators/cast-functions-and-operators/binary.md
               - CAST: MatrixOne/Reference/Operators/operators/cast-functions-and-operators/cast.md
               - CONVERT: MatrixOne/Reference/Operators/operators/cast-functions-and-operators/convert.md
+              - DECODE: MatrixOne/Reference/Operators/operators/cast-functions-and-operators/decode.md
+              - ENCODE: MatrixOne/Reference/Operators/operators/cast-functions-and-operators/encode.md
               - SERIAL: MatrixOne/Reference/Operators/operators/cast-functions-and-operators/serial.md
               - SERIAL_FULL: MatrixOne/Reference/Operators/operators/cast-functions-and-operators/serial_full.md
             - 比较函数和运算符:
@@ -654,11 +656,14 @@ nav:
             - RANK(): MatrixOne/Reference/Functions-and-Operators/Window-Functions/rank.md
             - ROW_NUMBER(): MatrixOne/Reference/Functions-and-Operators/Window-Functions/row_number.md
           - JSON 函数: 
+            - JQ(): MatrixOne/Reference/Functions-and-Operators/Json/jq.md
             - JSON_EXTRACT(): MatrixOne/Reference/Functions-and-Operators/Json/json_extract.md
             - JSON_EXTRACT_FLOAT64(): MatrixOne/Reference/Functions-and-Operators/Json/json_extract_float64.md
             - JSON_EXTRACT_STRING(): MatrixOne/Reference/Functions-and-Operators/Json/json_extract_string.md
             - JSON_QUOTE(): MatrixOne/Reference/Functions-and-Operators/Json/json_quote.md
+            - JSON_ROW(): MatrixOne/Reference/Functions-and-Operators/Json/json_row.md
             - JSON_UNQUOTE(): MatrixOne/Reference/Functions-and-Operators/Json/json_unquote.md
+            - TRY_JQ(): MatrixOne/Reference/Functions-and-Operators/Json/try_jq.md
           - 其他函数:
             - LOAD_FILE: MatrixOne/Reference/Functions-and-Operators/Other/load_file.md
             - SAVE_FILE: MatrixOne/Reference/Functions-and-Operators/Other/save_file.md