Row descriptor

A row descriptor, or MI_ROW_DESC structure, typically describes the columns that the CREATE TABLE statement establishes for a table. A row descriptor can also describe a single row-type column.

The DataBlade API defines the row descriptor that the access-method API uses.

The table descriptor contains a pointer to the row descriptor.

The accessor functions for the row descriptor (mi_column_*) provide information about each column, including the column name, floating-point precision and scale, alignment, and a pointer to a type descriptor. For information about the accessor functions for the row descriptor, see the HCL Informix® DataBlade API Programmer's Guide.