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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 | 1x 1x 1x 1x 1x 4x 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 { RedisToken } from "../../protocol/redis-token";
import { IRespCommand } from "../resp-command";
/**
* ### Available since 1.0.0.
* ### GET key
* Get the value of key.
*
* If the key does not exist the special value nil is returned.
* An error is returned if the value stored at key is not a string,
* because GET only handles string values
*/
export class GetCommand extends IRespCommand {
public DbDataType = DataType.STRING
public maxParams = 1
public minParams = 1
public name = "get"
private logger: Logger = new Logger(module.id);
public execSync(request: IRequest, db: Database): RedisToken {
const key = request.getParam(0);
this.logger.debug(`Getting ${key} from the db`);
const item = db.get(key);
this.logger.debug(`Got ${item} by key ${key} from the db`);
if (item) {
return item;
}
return RedisToken.nullString();
}
}
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