docs: Update to support try arithmetic functions (#2143)

Author: coderfender

docs/source/user-guide/expressions.md

@@ -44,6 +44,15 @@ The following Spark expressions are currently available. Any known compatibility
 | IntegralDivide (`div`) | All operands are cast to DecimalType (in case the input type is not already decima type) with precision 19 and scale 0. Please set `spark.comet.cast.allowIncompatible` to `true` to enable DataFusion’s cast operation for LongType inputs. |
 | Remainder (`%`)        |                                                                                                                                                                                                                                               |
 
+## Binary Try Arithmetic
+
+| Expression | Notes                                                                      |
+|------------|----------------------------------------------------------------------------|
+| `try_add`  | Adds operands (IntegerTypes only) or results NULL incase of overflow       |
+| `try_sub`  | Subtracts operands (IntegerTypes only) or results NULL incase of overflow  |
+| `try_mul`  | Multiplies operands (IntegerTypes only) or results NULL incase of overflow |
+| `try_div`  | Subtracts operands (IntegerTypes only) or results NULL incase of overflow  |
+
 ## Conditional Expressions
 
 | Expression | Notes |

docs/spark_expressions_support.md

@@ -330,9 +330,9 @@
  - [x] sqrt
  - [x] tan
  - [ ] tanh
- - [ ] try_add
+ - [x] try_add
  - [x] try_divide
- - [ ] try_multiply
+ - [x] try_multiply
  - [x] try_subtract
  - [x] unhex
  - [ ] width_bucket