Online Documentation for Data Generator for PostgreSQL
ARRAY column parameters
PostgreSQL allows columns of a table to be defined as variable-length multidimensional arrays. Values for this column can be generated randomly, incrementally, or they can be taken from a fixed list of values or SQL query.
The Generation properties panel allows you to define preferences for generating values for array column types.
Dimension sizes
Enter comma-separated list of array dimension sizes.
Select the preferable Data generation mode and specify generation parameters according to the data type used in the array.