[GLUTEN-7267][CH]Support nested column pruning for HiveTableScan json/parquet/orc format
#7268
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KevinyhZou
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HiveTableScan json formatHiveTableScan json format
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HiveTableScan json formatHiveTableScan json/parquet/orc format
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taiyang-li
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Sep 29, 2024
| "select id, d1.c, d1.d[0].x, d2.d['m124'].y from %s where day = '2024-09-26' and hour = '12'" | ||
| .format(pq_table_name) | ||
| withSQLConf( | ||
| ("spark.sql.hive.convertMetastoreParquet" -> "false"), |
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这俩orc和parquet的开关在什么使用场景下是false呢
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当需要使用hive parquet/orc serde 读取 table 时，而不是使用spark内置的parquet/orc reader读取时，这两个配置就需要被设置为false @taiyang-li
性能测试表schema：test_tbl (a STRING, b STRUCT<x1: STRING, x2: STRING, x3: STRING, x4: STRING, x5: STRING>) 优化前 平均耗时： 优化后 平均耗时： |
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What changes were proposed in this pull request?
(Please fill in changes proposed in this fix)
(Fixes: #7267)
How was this patch tested?
BY UT