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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 4x 4x 4x 4x | import { Logger } from "../../../logger";
import { IRequest } from "../../../server/request";
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.
* ### FLUSHDB [ASYNC]
*
* Delete all the keys of the currently selected DB. This command never fails.
*
* The time-complexity for this operation is O(N), N being the number of keys in the database.
*
* ### FLUSHDB ASYNC (Redis 4.0.0 or greater) **NOT IMPLEMENTED in unit-redis-ness**
* See {@link resp/command/db/flushall-command.FlushAllCommand | FLUSHALL} for documentation.
*/
export class FlushDbCommand extends IRespCommand {
public maxParams = 0
public minParams = 0
public name = "flushdb"
private logger: Logger = new Logger(module.id);
public execSync(request: IRequest, db: Database): RedisToken {
this.logger.debug(
`${request.getCommand()}.execute(%s)`,
...request.getParams()
);
for (const key of db.keys()) {
this.logger.debug(`Deleting key ${key} from database ${request.getSession().getCurrentDb()}`);
db.remove(key);
}
return RedisToken.responseOk();
}
}
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