Add Operator Statistics Storage Using Iceberg #3222
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bobbai00
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@yunyad Add a detailed description for this PR. |
bobbai00
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bobbai00
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This PR handles the storage conversion from the original MongoDB storage to Iceberg for storing execution result statistics. The migration is motivated by the limitations and constraints of MongoDB, and this PR introduces functionality to store runtime statistics using Iceberg.
We store three types of statistical information: min, max, and non-null value counts, if available. For string and boolean types, we do not include min and max values.
Related issue: apache/iceberg#12112