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a709a5c842
* feat: support parquet format external table * Update src/file-table-engine/src/error.rs Co-authored-by: Ruihang Xia <waynestxia@gmail.com> --------- Co-authored-by: Ruihang Xia <waynestxia@gmail.com>
29 lines
1.4 KiB
Markdown
29 lines
1.4 KiB
Markdown
### various_type.parquet
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Schema:
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```
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+-------------+-------------------------+-------------+
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| column_name | data_type | is_nullable |
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+-------------+-------------------------+-------------+
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| c_int | Int64 | YES |
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| c_float | Float64 | YES |
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| c_string | Float64 | YES |
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| c_bool | Boolean | YES |
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| c_date | Date32 | YES |
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| c_datetime | Timestamp(Second, None) | YES |
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+-------------+-------------------------+-------------+
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```
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Data:
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```
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+-------+----------+----------+--------+------------+---------------------+
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| c_int | c_float | c_string | c_bool | c_date | c_datetime |
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+-------+----------+----------+--------+------------+---------------------+
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| 1 | 1.1 | 1.11 | true | 1970-01-01 | 1970-01-01T00:00:00 |
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| 2 | 2.2 | 2.22 | true | 2020-11-08 | 2020-11-08T01:00:00 |
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| 3 | | 3.33 | true | 1969-12-31 | 1969-11-08T02:00:00 |
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| 4 | 4.4 | | false | | |
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| 5 | 6.6 | | false | 1990-01-01 | 1990-01-01T03:00:00 |
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| 4 | 4000000 | | false | | |
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| 4 | 0.000004 | | false | | |
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+-------+----------+----------+--------+------------+---------------------+
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``` |