Database Hash and Default Column Compare Modes

Use the column_option_helper_visit_db configuration option to allow DA to verify and, if necessary, amend the default column compare modes for a comparison, when the hash_type comparison option is set to database_hash.

When the column_option_helper_visit_db is false, the default column compare mode is set to the default_column_compare_mode parameter value.

When the column_option_helper_visit_db is true, DA connects to the database and checks whether the default_column_compare_mode is appropriate and legal for each column. DA overwrites the default_column_compare_mode, and sets the column compare to literal, if the Java SQL column type is: