hbTableDescription (Variable type)

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

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hbTableDescription (Variable type)

In french: hbDescriptionTable

The hbTableDescription type is used to define and find out the characteristics of an HBase table. You can define and change the characteristics of this HBase table using different WLanguage properties.

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.Server = "MonServeur"
// Récupération de la description de la table
DescTable is hbTableDescription = hbGetTableDescription(Connexion, "blog")
// Affichage du nom de la table
Trace("table : " + DescTable.Name)
// Affichage de la description des colonnes
FOR EACH DescCol OF DescTable.Column
	Trace(TAB + "colonne : " + DescCol.Nom)
	Trace(TAB + TAB + "attribut : ")
	FOR EACH ValAttribut, NomAttribut of DescCol.Attribut
		Trace(TAB + TAB + NomAttribut + " = " + ValAttribut)
	END
END

Properties

Properties specific to hbTableDescription variables

The following properties can be used to handle an HBase table:

Property name	Type used	Effect

Attribute	Array of Character strings	Associative array containing the names of attributes and the values of each attribute. These names and values are specific to HBase and they are reserved for an advanced use. For more details, see the HBase documentation.
Column	Array of hbColumnDescription	Description of columns.
Name	Character string	Name of HBase table.

Remarks

WLanguage functions that use the hbTableDescription type


hbCreateTable	Creates an HBase table or modifies the description of an HBase table.
hbGetTableDescription	Retrieves the description of an HBase table.