apache / apache/gravitino

[Subtask] [spark-connector] support parquet&orc vector read in hive

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subtask
Dominant language
Java
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Avg merge
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Description

### Describe the subtask

use parquet&orc vector read to improment the performance.

### Parent issue

#1227

Contributor guide

Open the contributing guide

Research direction

Start with the parent issue #1227 and the Spark connector's Hive integration; the payload does not name specific files, tests, or entry points. Determine how Parquet and ORC vector reads are expected to work and how performance should be measured. Done means vector reads are supported for both formats with improved performance.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, spark
Domain
data-engineering
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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