bugfix: lib/sql_io.py: put_table(): handle_MissingCastException(): when updating join_cols, don't add new entry for join_cols[out_col], only update existing one. this fixes #902 (import bug), and with #902 fixed, #887 (disk space leak) should no longer occur.
Related issues
Task #902: fix bug that causes joining on the wrong columns in the import
bugfix: lib/sql_io.py: put_table(): handle_MissingCastException(): when updating join_cols, don't add new entry for join_cols[out_col], only update existing one. this fixes #902 (import bug), and with #902 fixed, #887 (disk space leak) should no longer occur.