IvmAggStateKey.java

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package org.apache.doris.mtmv.ivm.agg;

/** Persisted hidden state kind used by aggregate IVM. */
public enum IvmAggStateKey {
    COUNT,
    SUM,
    BITMAP_UNION,
    MIN_TOPK,
    MAX_TOPK,
    MIN_TOPK_BOUND,
    MAX_TOPK_BOUND,
    /**
     * The number of rows equal to the retained MIN/MAX extreme. Only an internal aggregate output:
     * with a top-K capacity of one it derives the {@link #MIN_TOPK}/{@link #MAX_TOPK} array in the
     * project above the aggregate and is not persisted as a column of its own.
     */
    MIN_COUNT,
    MAX_COUNT
}