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- Properties specific to hbColumn variables
- WLanguage functions that use the hbColumn type
hbColumn (Type of variable) In french: hbColonne
The hbColumn type is used to define the advanced characteristics of a column (item) in an HBase table. The characteristics of this column can be defined and modified using different WLanguage properties. Remark: For more details on the declaration of this type of variable and the use of WLanguage properties, see Declaring a variable. // Connection
Connection is hbConnection
Connection.Server = "MyServer"
// Description of data to read
Reading is hbReading
Reading.Row = "post1"
Reading.Version = 2
// Column description
Col is hbColumn
Col.Family = "Post"
Add(Reading.Column, Col)
// Read data
MyResult is array of hbCells = hbRead(Connection, "blog", Reading)
// Display the data read
FOR EACH Cell OF MyResult DO
Trace("Column: " + Cell.Column.Qualifier + "; Value: " + ...
Cell.Value + "; timestamp: " + Cell.Timestamp)
END
Remarks 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. |
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.
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