Function keywordMatchAt

backend/plugin/parser/tsql/backup.go:456–467

(source, keyword string, offset, start, end int)

}

func keywordMatchAt(source, keyword string, offset, start, end int) bool {
	if offset+len(keyword) > end || !strings.EqualFold(source[offset:offset+len(keyword)], keyword) {
		return false
	}
	if offset > start && isSQLIdentifierChar(source[offset-1]) {
		return false
	}
	if offset+len(keyword) < end && isSQLIdentifierChar(source[offset+len(keyword)]) {
		return false
	}
	return true
}

func isSQLIdentifierChar(ch byte) bool {
	return ch == '_' || ch == '@' || ch == '#' || ch == '$' ||