constant

const (
	OP_EQ       = "="
	OP_NEQ      = "<>"
	OP_GT       = ">"
	OP_GTE      = ">="
	OP_LT       = "<"
	OP_LTE      = "<="
	OP_LIKE     = "LIKE"
	OP_NOT_LIKE = "NOT LIKE"
	OP_IN       = "IN"
	OP_NOT_IN   = "NOT IN"
	OP_IS_NULL  = "IS NULL"
	OP_NOT_NULL = "IS NOT NULL"
	OP_AND      = "AND"
	OP_OR       = "OR"
)