update

Co-authored-by: Copilot <copilot@github.com>

Author: xiedeyantu

datafusion/functions-table/src/generate_series.rs

@@ -395,7 +395,12 @@ impl<T: SeriesValue> LazyBatchGenerator for GenericSeriesState<T> {
                 .should_stop(self.end.clone(), &self.step, self.include_end)
         {
             buf.push(self.current.to_value_type());
-            self.current.advance(&self.step)?;
+            // Advance to the next value. If advancing overflows (e.g. current
+            // is i64::MAX and step is 1), the series is exhausted – stop here
+            // rather than returning an error, matching PostgreSQL/DuckDB behavior.
+            if self.current.advance(&self.step).is_err() {
+                break;
+            }
         }
 
         if buf.is_empty() {

datafusion/sqllogictest/test_files/table_functions.slt

@@ -183,10 +183,13 @@ SELECT * FROM generate_series(1, 2, 3, 4)
 statement error DataFusion error: Error during planning: Argument \#1 must be an INTEGER, TIMESTAMP, DATE or NULL, got Utf8
 SELECT * FROM generate_series('foo', 'bar')
 
-# Regression test: generate_series with a step that would advance past i64::MAX must
-# return an execution error rather than panicking (overflow in integer iterator).
-statement error DataFusion error: Execution error: generate_series: integer overflow while advancing series
+# Regression test: generate_series with a step that would overflow i64 after the last
+# included value must return the reachable values rather than an error, matching
+# PostgreSQL/DuckDB behavior.
+query I
 SELECT * FROM generate_series(9223372036854775806, 9223372036854775807, 2)
+----
+9223372036854775806
 
 # UDF and UDTF `generate_series` can be used simultaneously
 query ? rowsort