apurtell opened a new pull request, #2522:
URL: https://github.com/apache/phoenix/pull/2522
Replace the two opaque per-scan markers `SERVER ARRAY ELEMENT PROJECTION`
and `SERVER JSON FUNCTION PROJECTION` with per-type clauses `SERVER ARRAY
PROJECTION <count>`, `SERVER JSON PROJECTION <count>`, and `SERVER BSON
PROJECTION <count>`, emitted only when at least one path expression of the
corresponding type is pushed server-side, and each followed by one indented
detail line per expression in the function-call form (`Expression.toString()`
indented to the next level).
`ProjectionCompiler.compileSelectClause` stashes the per-attribute
expression buckets (the `serverAttributeToFuncExpressionMap` it already builds
before scan serialization) on `StatementContext` as `serverParsedProjections :
Map<String, List<Expression>>` keyed by scan attribute name.
`ExplainTable.explain(...)` replaces the existing code with new code that
processes "ARRAY", "JSON", and "BSON" buckets, emits the counted header, and
the additional indented detail lines.
`ExplainPlanAttributes` retires the `serverArrayElementProjection` boolean
and adds a `serverParsedProjections: Map<String,List<String>>` map, with up to
three buckets ("ARRAY", "JSON", and "BSON" ) each holding a `List<String>`,
with matching `ExplainPlanTestUtil` fluent assertion getters, setters, and
testers.
Co-authored-by: Claude Opus 4.8[1m] <[email protected]>
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