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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 4x 4x 4x 4x 4x 4x 4x 1x 3x 1x 1x 2x 2x 4x 4x 4x 4x 2x | import { Database } from "../data/database";
import { IRequest } from "../../server/request";
import { ICmdReq } from "../../server/session";
import { Logger } from "../../logger";
import { IRespCommand } from "./resp-command";
import { RedisToken } from "../protocol/redis-token";
/**
* ### Available since 1.2.0.
* ### EXEC
* Executes all previously queued commands in a transaction and restores the connection state
* to normal.
*
* When using [WATCH]{public link WatchCommand}, EXEC will execute commands only if the watched keys were not modified,
* allowing for a check-and-set mechanism.
* ### Return value
* Array reply: each element being the reply to each of the commands in the atomic transaction.
*
* When using [WATCH]{public link WatchCommand}, EXEC can return a Null reply if the execution was aborted.
*/
export class ExecCommand extends IRespCommand {
public blocking = true
public minParams = 0
public maxParams = 0
public name = "exec"
private logger: Logger = new Logger(module.id);
public execSync(request: IRequest, db: Database): RedisToken {
this.logger.debug(
`${request.getCommand()}.execute(%s)`,
...request.getParams()
);
if (!request.getSession().inTransaction()) {
return RedisToken.error("ERR EXEC without MULTI");
} else if (request.getSession().isErrored()) {
request.getSession().abortTransaction();
return RedisToken.error("EXECABORT Transaction discarded because of previous errors.");
}
const commands: ICmdReq[] = request.getSession().getTransaction(),
tokens: any[] = [];
commands.map(async(cmdReq) => {
this.logger.debug(`Executing transaction command ${cmdReq.request.getCommand()}`);
const token = await cmdReq.command.execSync(
cmdReq.request,
db
);
tokens.push(token);
});
return RedisToken.array(tokens);
}
}
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