hbColumnDescription (Type of variable)

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Properties specific to the description of hbColumnDescription variables

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hbColumnDescription (Type of variable)

In french: hbDescriptionColonne

The hbColumnDescription type is used to define the advanced characteristics of a family of columns (items). The characteristics of this family of columns can be defined and modified by several WLanguage properties.

This type of variable is used by the hbTableDescription variables.

Remark: See Declaring a variable for more details on the declaration of this type of variable and the use of WLanguage properties.

Example

// Connection
Connection is hbConnection
Connection..Server = "MyServer"
// Describe the table
TableDesc is hbTableDescription
TableDesc..Name = "blog"
// Describe the "Post" column
ColDesc is hbColumnDescription
ColDesc..Name = "Post"
Add(TableDesc..Column, ColDesc)
// Create the table
hbCreateTable(Connection, TableDesc)

Remarks

Properties specific to the description of hbColumnDescription variables

The following properties can be used to handle a family of columns:

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. They are used to define the type of the column data for example. See the HBase documentation for more details.
Name	Character string	Name of the family of columns.

Remark: These properties can be handled by using one of the following syntaxes:

<Variable name>..<Property name>
<Variable name>.<Property name>