TsDB2/DB/InCondition.go

package DB

import "TsDB2/DB/types"

type InCondition struct {
	Field  string
	Values []interface{}
	Type   types.FieldType
}

func In(field string, values []interface{}, typ types.FieldType) Condition {
	return InCondition{Field: field, Values: values, Type: typ}
}

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

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

	offset := table.calcFieldOffset(fieldIdx)
	for _, value := range c.Values {
		if table.compareValue(row, offset, c.Type, value) {
			return true
		}
	}
	return false
}