numColumns
The numColumns
method returns the number of columns in a table. This is equivalent to getDefinition().getColumns().length
.
Syntax
source.numColumns()
Parameters
This method takes no parameters.
Returns
The number of columns defined in the source table.
Example
The following example checks for the existence of certain column names in a table with three columns.
source = newTable(
stringCol("Title", "content"),
stringCol("ColumnName", "column_content"),
stringCol("AnotherColumn", "string"),
)
println source.numColumns()
- Log