Instance Method
having(_:_:column:)
Adds a column to column comparison to this builder’s
HAVING clause by ANDing.@discardableResult func having(_ lhs: SQLIdentifier, _ op: SQLBinaryOperator, column rhs: SQLIdentifier) -> Self
Discussion
builder.having("firstName", .equal, column: "lastName")
This method compares two columns.
SELECT * FROM "users" HAVING "firstName" = "lastName"