HLL_RAW_AGG (Lakehouse v2)

Aggregiert HLL-Werte zu einem einzigen HLL-Wert.

Analyze-Syntax

func.hll_raw_agg(get_column(table, 'hll_col'))

Analyze-Beispiele

func.hll_raw_agg(get_column(table, 'hll_col'))

┌─────────────┐
│ (hll value) │
└─────────────┘

SQL-Syntax

HLL_RAW_AGG(<hll_col>)

SQL-Beispiele

SELECT HLL_CARDINALITY(HLL_RAW_AGG(hll_col)) FROM sketches;

┌──────┐
│ 5000 │
└──────┘