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e3ac3298b1
* add orc stream #1820 * update orc stream * fix: create orcstreamadapter with opt projection * fix: license header * docs: delete comment
4.4 KiB
4.4 KiB
Generate orc data
python3 -m venv venv
venv/bin/pip install -U pip
venv/bin/pip install -U pyorc
./venv/bin/python write.py
cargo test
Schema:
+------------------------+-----------------------------+-------------+
| column_name | data_type | is_nullable |
+------------------------+-----------------------------+-------------+
| double_a | Float64 | YES |
| a | Float32 | YES |
| b | Boolean | YES |
| str_direct | Utf8 | YES |
| d | Utf8 | YES |
| e | Utf8 | YES |
| f | Utf8 | YES |
| int_short_repeated | Int32 | YES |
| int_neg_short_repeated | Int32 | YES |
| int_delta | Int32 | YES |
| int_neg_delta | Int32 | YES |
| int_direct | Int32 | YES |
| int_neg_direct | Int32 | YES |
| bigint_direct | Int64 | YES |
| bigint_neg_direct | Int64 | YES |
| bigint_other | Int64 | YES |
| utf8_increase | Utf8 | YES |
| utf8_decrease | Utf8 | YES |
| timestamp_simple | Timestamp(Nanosecond, None) | YES |
| date_simple | Date32 | YES |
+------------------------+-----------------------------+-------------+
Data:
"+----------+-----+-------+------------+-----+-----+-------+--------------------+------------------------+-----------+---------------+------------+----------------+---------------+-------------------+--------------+---------------+---------------+----------------------------+-------------+",
"| double_a | a | b | str_direct | d | e | f | int_short_repeated | int_neg_short_repeated | int_delta | int_neg_delta | int_direct | int_neg_direct | bigint_direct | bigint_neg_direct | bigint_other | utf8_increase | utf8_decrease | timestamp_simple | date_simple |",
"+----------+-----+-------+------------+-----+-----+-------+--------------------+------------------------+-----------+---------------+------------+----------------+---------------+-------------------+--------------+---------------+---------------+----------------------------+-------------+",
"| 1.0 | 1.0 | true | a | a | ddd | aaaaa | 5 | -5 | 1 | 5 | 1 | -1 | 1 | -1 | 5 | a | eeeee | 2023-04-01T20:15:30.002 | 2023-04-01 |",
"| 2.0 | 2.0 | false | cccccc | bb | cc | bbbbb | 5 | -5 | 2 | 4 | 6 | -6 | 6 | -6 | -5 | bb | dddd | 2021-08-22T07:26:44.525777 | 2023-03-01 |",
"| 3.0 | | | | | | | | | | | | | | | 1 | ccc | ccc | 2023-01-01T00:00:00 | 2023-01-01 |",
"| 4.0 | 4.0 | true | ddd | ccc | bb | ccccc | 5 | -5 | 4 | 2 | 3 | -3 | 3 | -3 | 5 | dddd | bb | 2023-02-01T00:00:00 | 2023-02-01 |",
"| 5.0 | 5.0 | false | ee | ddd | a | ddddd | 5 | -5 | 5 | 1 | 2 | -2 | 2 | -2 | 5 | eeeee | a | 2023-03-01T00:00:00 | 2023-03-01 |",
"+----------+-----+-------+------------+-----+-----+-------+--------------------+------------------------+-----------+---------------+------------+----------------+---------------+-------------------+--------------+---------------+---------------+----------------------------+-------------+",