Table information

The Genero BDL API for GGC provides functions for retrieving information about tables.

Table 1. Functions for retrieving information about tables
Function	Description
`getColumnCount( tableName STRING ) RETURNS INTEGER`	Get the number of columns in a table.
`getColumnName( tableName STRING, idx INTEGER ) RETURNS STRING`	Get a table column name.
`getColumnValue( tableName STRING, columnName STRING, row INTEGER ) RETURNS STRING`	Get the column value of a table, tree, or screen record at the specified row.
`getColumnValues( tableName STRING, columnName STRING ) RETURNS DYNAMIC ARRAY OF STRING`	Get column values of a table, tree, or screen record.
`getCurrentColumn( tableName STRING ) RETURNS INTEGER`	Get the current column in a table.
`getCurrentRow( tableName STRING ) RETURNS INTEGER`	Get the current row of the table.
`getTableOffset( tableName STRING) RETURNS INTEGER`	Get the table's current offset value.
`getTableSize( tableName STRING) RETURNS INTEGER`	Get the table size.
`getTablePageSize( name ) RETURNS INTEGER`	Get the number of visible rows of the table or tree.