zhengruifeng commented on code in PR #41477:
URL: https://github.com/apache/spark/pull/41477#discussion_r1221186755


##########
python/pyspark/sql/connect/functions.py:
##########
@@ -2373,6 +2374,117 @@ def hours(col: "ColumnOrName") -> Column:
 
 hours.__doc__ = pysparkfuncs.hours.__doc__
 
+
+def make_dt_interval(
+    days: Optional["ColumnOrName"] = None,
+    hours: Optional["ColumnOrName"] = None,
+    mins: Optional["ColumnOrName"] = None,
+    secs: Optional["ColumnOrName"] = None,

Review Comment:
   since `days`/`hours`/`minus` accepts `IntegerType` column, and `secs ` 
accepts `DecimalType`;
   shall we make `days`/`hours`/`minus`: `Union["ColumnOrName", int]` and 
`secs` : `Union["ColumnOrName", float, decimal. Decimal]` ?
   
   e.g. 
https://github.com/apache/spark/blob/747db6675da86e79d04e2fcc531b3b72b22ebf04/python/pyspark/sql/functions.py#L4757



##########
python/pyspark/sql/connect/functions.py:
##########
@@ -2373,6 +2374,117 @@ def hours(col: "ColumnOrName") -> Column:
 
 hours.__doc__ = pysparkfuncs.hours.__doc__
 
+
+def make_dt_interval(
+    days: Optional["ColumnOrName"] = None,
+    hours: Optional["ColumnOrName"] = None,
+    mins: Optional["ColumnOrName"] = None,
+    secs: Optional["ColumnOrName"] = None,

Review Comment:
   also cc @HyukjinKwon 



##########
python/pyspark/sql/connect/functions.py:
##########
@@ -2373,6 +2374,117 @@ def hours(col: "ColumnOrName") -> Column:
 
 hours.__doc__ = pysparkfuncs.hours.__doc__
 
+
+def make_dt_interval(
+    days: Optional["ColumnOrName"] = None,
+    hours: Optional["ColumnOrName"] = None,
+    mins: Optional["ColumnOrName"] = None,
+    secs: Optional["ColumnOrName"] = None,

Review Comment:
   it seems in this PR, users can use in this way
   ```
   make_dt_interval(mins="col_a")  // skip `days`
   ```
   
   while this usage is not supported on the Scala side.



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