plusplusjiajia commented on code in PR #7377:
URL: https://github.com/apache/paimon/pull/7377#discussion_r2904515807
##########
paimon-python/pypaimon/tests/cli_table_test.py:
##########
@@ -128,6 +128,27 @@ def test_cli_table_read_with_limit(self):
# Should have header + 2 data rows
self.assertLessEqual(len(lines), 4) # header + 2 data rows +
possible empty lines
+ def test_cli_table_read_with_select(self):
+ """Test table read with column selection via CLI."""
+ # Simulate CLI command: paimon table read test_db.users --select
id,name
+ with patch('sys.argv',
+ ['paimon', '-c', self.config_file,
+ 'table', 'read', 'test_db.users', '--select', 'id,name']):
+ with patch('sys.stdout', new_callable=StringIO) as mock_stdout:
+ try:
+ main()
+ except SystemExit:
+ pass
+
+ output = mock_stdout.getvalue()
+
+ # Verify output contains selected columns
+ self.assertIn('id', output.lower())
+ self.assertIn('name', output.lower())
+ # Verify selected data is present
+ self.assertIn('Alice', output)
+ self.assertIn('Bob', output)
Review Comment:
better to add some bad cases, such as the invalid column names are passed
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