MAP_KEYS
Returns all keys from a map as an array.
Analyze Syntax
func.map_keys(get_column(table, 'map_col'))
Analyze Examples
func.map_keys(MAP{'a':1,'b':2})
┌───────────┐
│ ['a','b'] │
└───────────┘
SQL Syntax
MAP_KEYS(<map_col>)
SQL Examples
SELECT MAP_KEYS(MAP{'a':1, 'b':2});
┌───────────┐
│ ["a","b"] │
└───────────┘