[GitHub] [arrow] jorisvandenbossche commented on a change in pull request #9386: ARROW-11373: [Python][Docs] Add example of specifying type for a column when reading csv file

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jorisvandenbossche commented on a change in pull request #9386:
URL: https://github.com/apache/arrow/pull/9386#discussion_r568852511



##########
File path: docs/source/python/csv.rst
##########
@@ -75,7 +75,16 @@ Customized conversion
 ---------------------
 
 To alter how CSV data is converted to Arrow types and data, you should create
-a :class:`ConvertOptions` instance and pass it to :func:`read_csv`.
+a :class:`ConvertOptions` instance and pass it to :func:`read_csv`::
+
+   table = csv.read_csv('testdata.csv', convert_options=pa.csv.ConvertOptions(
+    column_types={
+        's_name': pa.string(),
+        's_start_date': pa.string(),
+        'agg_percentile_bps': pa.decimal128(precision=38, scale=10),
+    }
+   ))

Review comment:
       Specifically, you could maybe show to read the "total_bill" and "tip" columns as decimal?




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