hbColumn (Variable type)

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Properties specific to hbColumn variables
WLanguage functions that use the hbColumn type

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hbColumn (Variable type)

In french: hbColonne

The hbColumn type is used to define the advanced characteristics of a column (item) in an HBase table. You can define and change the characteristics of this column using different WLanguage properties.

This type of variable is used by the hbReading, hbScanParameter and hbScanResult variables.

Note: For more details on the declaration of this type of variable and the use of WLanguage properties, see Declaring a variable.

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

Properties

Properties specific to hbColumn variables

The following properties can be used to handle a column:

Property name	Type used	Effect

Family	Buffer	Name of the group of columns.
Qualifier	Buffer	Qualifier of the column.

Remarks

WLanguage functions that use the hbColumn type


hbDelete	Deletes: one or more cells from an HBase table for one or more columns. a row from an HBase table.