Type alias ConstraintOperator

ConstraintOperator: "&" | ">" | ">=" | "<" | "<=" | "!=" | "<=>" | "%" | "|" | "!" | "~" | "=" | "^" | "IN" | "NOT IN" | "LIKE" | "BETWEEN" | "NOT BETWEEN" | "IS" | "IS NOT"

SQL operator that appears in a constraint clause.