Package io.trino.sql.planner.optimizations
package io.trino.sql.planner.optimizations
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ClassDescriptionIdentify the mapping from the lookup symbols used at the top of the index plan to the actual symbols produced by the IndexSource.Converts cardinality-insensitive aggregations (max, min, "distinct") over partition keys into simple metadata queriesConverts delete followed immediately by table scan to a special table-only delete nodeRe-maps symbol references that are just aliases of each other (e.g., due to projections like
$0 := $1)