Details
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New Feature
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Status: Open
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Critical
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Resolution: Unresolved
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None
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None
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None
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ghx-label-12
Description
Since HIVE-19899, Hive supports JSON format tables officially. It'd be good to add the same functionality for Impala.
Subtasks can be:
- Support loading metadata of JSON format tables. Make statements that don't need to read data files work first, e.g. DESCRIBE, SHOW CRETATE TABLE, SHOW PARTITIONS, etc.
- Support creating JSON format tables by "STORED AS JSONFILE" clause.
- Support reading JSON format tables. All SELECT queires should work.
- Support writing to JSON format tables.
Attachments
1.
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Add Arrow library to Impala native-toolchain |
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Resolved | Quanlong Huang |
2.
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Support statements that do not require reading JSON File |
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Resolved | Shikha Asrani |
3.
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Prototype a simple JSON File reader |
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Resolved | Zihao Ye |
4.
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Impala can't resolve json tables created by Hive |
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Resolved | Pranav Yogi Lodha |
5.
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Support loading testdata in JSON format |
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Resolved | Zihao Ye |
6.
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Block reads on JSON table until we support it |
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Resolved | Pranav Yogi Lodha |
7.
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Bump Arrow version to 9.0.0-p2 for decimal support |
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Resolved | Quanlong Huang |
8.
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Support reading compressed JSON file |
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Resolved | Zihao Ye |
9.
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Optimize count(*) for JSON scans |
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In Progress | Zihao Ye |
10.
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Support reading BINARY columns in JSON tables |
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Open | Zihao Ye |
11.
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Support reading Inf and NaN from JSON |
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Open | Zihao Ye |