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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 45 46 47 48 49 50 51 52 53 54 55 56 | 1x 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 1.0.1.
* ### MSET key value [key value ...]
* Sets the given keys to their respective values. MSET replaces existing values with new
* values, just as regular {@link resp/command/string/set-command.SetCommand | SET}. See (not implemented) MSetNxCommand | MSETNX if you
* don't want to overwrite existing values.
*
* MSET is atomic, so all given keys are set at once. It is not possible for clients to see
* that some of the keys were updated while others are unchanged.
*
* ### Return value
* Simple string reply: always OK since MSET can't fail.
*/
export class MsetCommand extends IRespCommand {
public maxParams = -1
public minParams = 2
public name = "mset"
private logger: Logger = new Logger(module.id);
public execSync(request: IRequest, db: Database): RedisToken {
this.logger.debug(
`${request.getCommand()}.execute(%s)`,
...request.getParams()
);
// Params() must be an even number
if (request.getParams().length % 2 !== 0) {
return RedisToken.error("ERR wrong number of arguments for mset");
}
for (let index = 0; index < request.getParams().length; index += 2) {
const key: string = request.getParam(index),
value: string = request.getParam(index + 1);
this.logger.debug(`Setting key ${key} to "${value}"`);
db.put(
key,
new DatabaseValue(
DataType.STRING,
value
)
);
}
return RedisToken.responseOk();
}
}
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