updateC - Oppenjaimer/LbelDB.js GitHub Wiki

updateC(inx, col)

Update certain column in local memory. Missing array elements will default to an empty string.

Parameter	Type	Optional	Default	Description
inx	number or string	❌	none	Index or label of the column to update.
col	Array or Object	❌	none	New column data.

Returns: void

Example:

/*
dbs.lbel:
id
user
age
employed

dat.lbel:
10001
Jaime
28
false

10002
Matt
13
false

10003
Natasha
45
true
*/

const ldb = require("lbeldb");

ldb.retrieve(); // Labels: ["id", "user", "age", "employed"], Rows: [ ["10001", "Jaime", "28", "false"], ["10002", "Matt", "13", "false"], ["10003", "Natasha", "45", "true"] ]

ldb.updateC(1, ["numbers", 1, 2, 3]); // Labels: ["id", "user", "numbers", "employed"], Rows: [ ["10001", "Jaime", 1, "false"], ["10002", "Matt", 2, "false"], ["10003", "Natasha", 3, "true"] ]