Revision 4634
Added by Aaron Marcuse-Kubitza about 12 years ago
| join | ||
|---|---|---|
| 79 | 79 |
if sep == '': break |
| 80 | 80 |
suffix = sep+new_suffix+suffix # prepend new suffix |
| 81 | 81 |
|
| 82 |
is_empty = len(out_rows) == 1 and out_rows[0][1] == '' |
|
| 83 |
if is_empty: set_error('No non-empty join mapping for '+out_orig)
|
|
| 84 |
|
|
| 82 | 85 |
# Write new mapping |
| 83 |
is_empty = len(out_rows) == 1 and out_rows[0][1] == '' |
|
| 84 | 86 |
if only_one and len(out_rows) > 1: # multiple outputs are ambiguous |
| 85 | 87 |
set_error('Ambiguous mapping for '+row[1]) # discards mapping
|
| 86 |
elif out_rows and not is_empty: # found non-empty mapping(s)
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|
| 88 |
elif out_rows: # found mapping(s)
|
|
| 87 | 89 |
for out_row in out_rows: |
| 88 | 90 |
row_ = row[:] # don't modify row, since it will be reused |
| 89 | 91 |
row_ = maps.merge_mappings(row_, out_row) |
| 90 | 92 |
if row_[1] != '': row_[1] += suffix # don't modify out_row! |
| 91 | 93 |
writer.writerow(row_) |
| 92 | 94 |
row_written = True |
| 93 |
else: |
|
| 94 |
msg = 'No' |
|
| 95 |
if is_empty: msg += ' non-empty' |
|
| 96 |
msg += ' join mapping for '+out_orig |
|
| 97 |
set_error(msg) |
|
| 95 |
else: set_error('No join mapping for '+out_orig)
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|
| 98 | 96 |
elif row[2] == '': # also no comment explaining why no input mapping |
| 99 | 97 |
set_error('No input mapping for '+row[0])
|
| 100 | 98 |
|
Also available in: Unified diff
join: When a join mapping exists but is empty, still include any additional columns from that mapping in the combined row