[improvement] improvement for light weight schema change #10860
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LGTM |
yiguolei
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morningman
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miswujian
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Jul 28, 2022
* improvement for dynamic schema not use schema as lru cache key any more. load segment just use the rowset's original schema not the current read schema. generate column reader and column iterator using the original schema, using the read schema if it is a new column. using column unique id as key instead of column ordinals. Co-authored-by: yiguolei <yiguolei@gmail.com>
whutpencil
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Jul 29, 2022
* improvement for dynamic schema not use schema as lru cache key any more. load segment just use the rowset's original schema not the current read schema. generate column reader and column iterator using the original schema, using the read schema if it is a new column. using column unique id as key instead of column ordinals. Co-authored-by: yiguolei <yiguolei@gmail.com>
eldenmoon
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Aug 1, 2022
* improvement for dynamic schema not use schema as lru cache key any more. load segment just use the rowset's original schema not the current read schema. generate column reader and column iterator using the original schema, using the read schema if it is a new column. using column unique id as key instead of column ordinals. Co-authored-by: yiguolei <yiguolei@gmail.com>
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part of #10136 |
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