Reads cells (values of items) of a row (record) in an HBase table.
// 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
Syntax
<Result> = hbRead(<Connection> , <Table> , <Reading>)
<Result>: Array of hbCell
Array of hbCell variables corresponding to the values of cells read.
<Connection>: hbConnection variable
Name of the hbConnection variable that corresponds to the connection to the HBase server.
<Table>: Character string
Name of the HBase table to use.
<Reading>: hbReading variable
Name of hbReading variable containing the characteristics of the read operation to perform.