Use an expression that returns NULL if the column value is NULL.
[Source]
# File lib/sequel/extensions/empty_array_consider_nulls.rb, line 31 31: def empty_array_value(op, cols) 32: c = Array(cols) 33: SQL::BooleanExpression.from_value_pairs(c.zip(c), :AND, op == :IN) 34: end
[Validate]