Fix broken links in user docs (#17228)

Author: AdamGS

datafusion/functions/src/datetime/make_date.rs

@@ -51,7 +51,7 @@ use datafusion_macros::user_doc;
 +-----------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/make_date.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 "#,
     argument(
         name = "year",

datafusion/functions/src/datetime/to_char.rs

@@ -48,7 +48,7 @@ use datafusion_macros::user_doc;
 +----------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_char.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 "#,
     argument(
         name = "expression",

datafusion/functions/src/datetime/to_date.rs

@@ -53,7 +53,7 @@ Note: `to_date` returns Date32, which represents its values as the number of day
 +---------------------------------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_date.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 "#,
     standard_argument(name = "expression", prefix = "String"),
     argument(

datafusion/functions/src/datetime/to_timestamp.rs

@@ -55,7 +55,7 @@ Note: `to_timestamp` returns `Timestamp(Nanosecond)`. The supported range for in
 | 2023-05-17T03:59:00.123456789                                                                          |
 +--------------------------------------------------------------------------------------------------------+
 ```
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 "#,
     argument(
         name = "expression",
@@ -89,7 +89,7 @@ pub struct ToTimestampFunc {
 | 2023-05-17T03:59:00                                                                                            |
 +----------------------------------------------------------------------------------------------------------------+
 ```
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 "#,
     argument(
         name = "expression",
@@ -123,7 +123,7 @@ pub struct ToTimestampSecondsFunc {
 | 2023-05-17T03:59:00.123                                                                                       |
 +---------------------------------------------------------------------------------------------------------------+
 ```
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 "#,
     argument(
         name = "expression",
@@ -157,7 +157,7 @@ pub struct ToTimestampMillisFunc {
 | 2023-05-17T03:59:00.123456                                                                                    |
 +---------------------------------------------------------------------------------------------------------------+
 ```
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 "#,
     argument(
         name = "expression",
@@ -191,7 +191,7 @@ pub struct ToTimestampMicrosFunc {
 | 2023-05-17T03:59:00.123456789                                                                                |
 +---------------------------------------------------------------------------------------------------------------+
 ```
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 "#,
     argument(
         name = "expression",

docs/source/user-guide/sql/scalar_functions.md

@@ -2223,7 +2223,7 @@ make_date(year, month, day)
 +-----------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/make_date.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 
 ### `now`
 
@@ -2264,7 +2264,7 @@ to_char(expression, format)
 +----------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_char.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 
 #### Aliases
 
@@ -2308,7 +2308,7 @@ to_date('2017-05-31', '%Y-%m-%d')
 +---------------------------------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_date.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 
 ### `to_local_time`
 
@@ -2403,7 +2403,7 @@ to_timestamp(expression[, ..., format_n])
 +--------------------------------------------------------------------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 
 ### `to_timestamp_micros`
 
@@ -2435,7 +2435,7 @@ to_timestamp_micros(expression[, ..., format_n])
 +---------------------------------------------------------------------------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 
 ### `to_timestamp_millis`
 
@@ -2467,7 +2467,7 @@ to_timestamp_millis(expression[, ..., format_n])
 +---------------------------------------------------------------------------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 
 ### `to_timestamp_nanos`
 
@@ -2499,7 +2499,7 @@ to_timestamp_nanos(expression[, ..., format_n])
 +---------------------------------------------------------------------------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 
 ### `to_timestamp_seconds`
 
@@ -2531,7 +2531,7 @@ to_timestamp_seconds(expression[, ..., format_n])
 +----------------------------------------------------------------------------------------------------------------+
 ```
 
-Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/to_timestamp.rs)
+Additional examples can be found [here](https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/date_time_functions.rs)
 
 ### `to_unixtime`