HLL_HASH
HLL_HASHβ
descriptionβ
Syntaxβ
HLL_HASH(value)
HLL_HASH converts a value to hll type. Typically used when loading data.
exampleβ
MySQL > select HLL_CARDINALITY(HLL_HASH('abc'));
+----------------------------------+
| hll_cardinality(HLL_HASH('abc')) |
+----------------------------------+
| 1 |
+----------------------------------+
keywordsβ
HLL,HLL_HASH