hbRead (Function)

ONLINE HELP
WINDEV, WEBDEV AND WINDEV MOBILE

Version:

Home | Sign in | English

This content has been translated automatically. Click here to view the French version.

Help / WLanguage / Managing databases / Big Data / Managing HBase databases

WINDEV

WEBDEV

WINDEV Mobile

Others

See also

hbRead (Function)

In french: hbLit

Reads cells (values of items) of a row (record) in an HBase table.

Example

// Connexion
Connexion is hbConnection
Connexion.Serveur = "MonServeur"
// Description des données à lire
Lecture is hbReading
Lecture.Ligne = "post1"
Lecture.Version = 2
// Description colonne
Col is hbColumn
Col.Famille = "Post"
Add(Lecture.Colonne, Col)
// Lecture des données
MonRésultat is array of hbCell = hbRead(connection, "blog", Lecture)
// Affichage des données lues
FOR EACH Cellule OF MonRésultat DO
	Trace("Colonne : " + Cellule.Colonne.Qualificatif + "; Valeur : " + ...
	Cellule.Valeur + "; timestamp : " + Cellule.Timestamp)
END

Syntax

<Result> = hbRead(<Connection> , <Table> , <Reading>)

<Result>: Array of hbCell

Array of hbCell variables corresponding to the values of cells read.

<Connection>: hbConnection variable

Name of the hbConnection variable that corresponds to the connection to the HBase server.

<Table>: Character string

Name of the HBase table to use.

<Reading>: hbReading variable

Name of the hbReading variable containing the characteristics of the read operation to perform.

Component: wd300big.dll