init (#2517)

Author: coderfender

docs/source/user-guide/latest/expressions.md

@@ -61,7 +61,7 @@ incompatible expressions.
 ## String Functions
 
 | Expression      | Spark-Compatible? | Compatibility Notes                                                                                        |
-| --------------- | ----------------- | ---------------------------------------------------------------------------------------------------------- |
+|-----------------| ----------------- | ---------------------------------------------------------------------------------------------------------- |
 | Ascii           | Yes               |                                                                                                            |
 | BitLength       | Yes               |                                                                                                            |
 | Chr             | Yes               |                                                                                                            |
@@ -79,6 +79,7 @@ incompatible expressions.
 | StringInstr     | Yes               |                                                                                                            |
 | StringRepeat    | Yes               | Negative argument for number of times to repeat causes exception                                           |
 | StringReplace   | Yes               |                                                                                                            |
+| StringLPad      | Yes               |                                                                                                            |
 | StringRPad      | Yes               |                                                                                                            |
 | StringSpace     | Yes               |                                                                                                            |
 | StringTranslate | Yes               |                                                                                                            |

docs/spark_expressions_support.md

@@ -408,7 +408,7 @@
  - [ ] levenshtein
  - [ ] locate
  - [x] lower
- - [ ] lpad
+ - [x] lpad
  - [x] ltrim
  - [ ] mask
  - [x] octet_length
@@ -424,7 +424,7 @@
  - [x] repeat
  - [x] replace
  - [ ] right
- - [ ] rpad
+ - [x] rpad
  - [x] rtrim
  - [ ] sentences
  - [ ] soundex