MisterRaindrop opened a new pull request, #103:
URL: https://github.com/apache/cloudberry-pxf/pull/103
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## Change logs
When a numeric column is compared with an integer constant (e.g.,
biz_dt = 20260331), PostgreSQL wraps the constant in an implicit
type cast FuncExpr (int4 -> numeric). The filter extraction code
only recognized plain Const nodes, causing these filters to be
dropped and resulting in full table scans on the source.
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