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  • Properties specific to the description of hbColumn variables
  • WLanguage functions that use the hbColumn type
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Stored procedures
The hbColumn type is used to define the advanced characteristics of a column (item) in a HBase table. The characteristics of this column can be defined and modified using different WLanguage properties.
This type of variable is used by the hbReading, hbScanParameter and hbScanResult 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"
// 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 the description of hbColumn variables

The following properties can be used to handle a column:
Property nameType usedEffect
FamilyBufferName of the family of columns.
QualifierBufferQualifier of the column.

WLanguage functions that use the hbColumn type

Versions 21 and later
hbDelete
New in version 21
hbDelete
hbDelete
Deletes:
  • one or more cells from a HBase table for one or more columns.
  • a row from a HBase table.
Minimum version required
  • Version 21
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