package core

import "TsDB2/DB/core/types"

type GtCondition struct {
	Field string
	Value interface{}
	Type  types.FieldType
}

func Gt(field string, value interface{}, typ types.FieldType) Condition {
	return GtCondition{Field: field, Value: value, Type: typ}
}

func (c GtCondition) Fields() []string {
	return []string{c.Field}
}

func (c GtCondition) Match(row []byte, table *Table) bool {
	fieldIdx := table.findFieldIndex(c.Field)
	if fieldIdx < 0 {
		return false
	}

	offset, ok := table.getVersionedOffset(row, fieldIdx)
	if !ok {
		return false
	}
	return table.compareGreater(row, offset, c.Type, c.Value)
}