[Enhancement](MaxCompute)Refactoring maxCompute catalog using Storage API.(#40225 , #40888 ,#41386 ) #41614
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… API. (apache#40225) Refactoring maxCompute catalog using Storage API. Storage API : https://help.aliyun.com/zh/maxcompute/user-guide/open-storage-sample-java-sdk?spm=a2c4g.11186623.0.i0 ``` The following are required: CREATE CATALOG mc PROPERTIES ( "type" = "max_compute", "mc.default.project" = "xxx", "mc.access_key" = "xxx", "mc.secret_key" = "xxxx", "mc.endpoint" = "xxxx" ); Optional parameters: Configuration Item Default Value "mc.quota" = "pay-as-you-go" "mc.split_strategy" = "byte_size" Split according to file size "mc.split_byte_size" = "268435456" You can set the file size of each split "mc.split_strategy" = "row_count" Split according to the number of rows of data "mc.split_row_count" = "1048576" You can set how many lines to read for each split ```
… maxcompute. (apache#40888) before pr apache#40225 ## Proposed changes Fixed a bug where when reading maxcompute, if there are null values in a batch, null values will always be read out.
…pute catalogs from previous versions. (apache#41386) before pr apache#40225 (cherry picked from commit e8a1a16)
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bp #40225 , #40888 ,#41386
Proposed changes
Among them, #40225 is the new api of mc,
#40888 is used to fix the bug when reading null between the new and old apis,
#41386 is used for compatibility between the new and old versions