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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | 1x 1x 1x 1x 1x 4x 4x 4x 4x | import { Logger } from "../../../logger";
import { IRequest } from "../../../server/request";
import { DataType } from "../../data/data-type";
import { Database } from "../../data/database";
import { DatabaseValue } from "../../data/database-value";
import { RedisToken } from "../../protocol/redis-token";
import { IRespCommand } from "../resp-command";
/**
* Available since 1.0.0.
*
* TYPE key
*
* Returns the string representation of the type of the value stored at key. The different
* types that can be returned are: string, list, set, zset, hash and stream.
*
* **Return value**<br>
* Simple string reply: type of key, or none when key does not exist.
*/
export class TypeCommand extends IRespCommand {
public maxParams = 1
public minParams = 1
public name = "type"
private logger: Logger = new Logger(module.id);
public execSync(request: IRequest, db: Database): RedisToken {
this.logger.debug(
`${request.getCommand()}.execute(%s)`,
...request.getParams()
);
const key: string = request.getParam(0),
dbField: DatabaseValue = db.get(key);
if (dbField) {
return RedisToken.string(dbField.getType());
}
return RedisToken.string(DataType.NONE);
}
}
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