Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | 1x 1x 1x 1x 1x 1x 8x 8x 8x 8x 8x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 6x 6x 6x 6x 6x 6x 6x 2x 2x 2x | 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 v2.0.0
*
* HSET key field value [field value ...]
*
* Sets field in the hash stored at key to value. If key does not exist,
* a new key holding a hash is created. If field already exists in the hash,
* it is overwritten.
*
* As of Redis 4.0.0, HSET is variadic and allows for multiple field/value pairs.
*
* Return value
* Integer reply: The number of fields that were added.
*/
export class HsetCommand extends IRespCommand {
public DbDataType = DataType.HASH
public maxParams = -1
public minParams = 3
public name = "hset"
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 odd number
Iif (request.getParams().length % 2 !== 1) {
return RedisToken.error("ERR wrong number of arguments for hset");
}
// Get the original HASH
this.logger.debug(`Getting database key ${request.getParam(0)}`);
let item: DatabaseValue = db.get(request.getParam(0));
this.logger.debug(
`ITEM is ${item}`,
`${item}`
);
let fieldsAdded: number = 0;
Eif (!item) {
item = new DatabaseValue(
DataType.HASH,
{}
);
this.logger.debug(
"Instantiated new EMPTY_HASH",
`${item}`
);
}
const hash = item.getHash();
this.logger.debug(
"Hash is ",
`${item}`
);
this.logger.debug(`Processing ${request.getParams().length} params`);
this.logger.debug(
`hash has ${Object.keys(hash).length} key(s)`,
...Object.keys(hash)
);
for (let index = 1; index < request.getParams().length; index += 2) {
const field = request.getParam(index),
value = request.getParam(index + 1);
this.logger.debug(`Got field ${field} with value ${value}`);
Eif (!hash[field]) {
this.logger.debug(`Adding field ${field}`);
++fieldsAdded;
} else {
this.logger.debug(`Replacing field ${field} - was ${hash[field]}`);
}
hash[field] = value;
}
this.logger.debug(
`NOW hash has ${Object.keys(hash).length} key(s)`,
...Object.keys(hash)
);
/*
* If the has already had an expiredAt value it might have been replaced here
* TODO: Create a special key (applicable to all DatabaseValue types) to
* Segregate admin values from public scrutiny. Until then ...
*/
db.put(
request.getParam(0),
new DatabaseValue(
DataType.HASH,
hash
)
);
return RedisToken.integer(fieldsAdded);
}
}
|