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add remove_dropped_col, ugly version #46

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add remove_dropped_col, ugly version #46

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10 changes: 10 additions & 0 deletions binlog2sql/binlog2sql_util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,14 @@ def event_type(event):
return t


def remove_dropped_col(row):
for values in ['before_values', 'after_values', 'values']:
if values in row:
for col in list(row[values].keys()):
if col.startswith('__dropped_col_'):
del row[values][col]


def concat_sql_from_binlog_event(cursor, binlog_event, row=None, e_start_pos=None, flashback=False, no_pk=False):
if flashback and no_pk:
raise ValueError('only one of flashback or no_pk can be True')
Expand All @@ -174,6 +182,8 @@ def concat_sql_from_binlog_event(cursor, binlog_event, row=None, e_start_pos=Non
sql = ''
if isinstance(binlog_event, WriteRowsEvent) or isinstance(binlog_event, UpdateRowsEvent) \
or isinstance(binlog_event, DeleteRowsEvent):
print(sql)
remove_dropped_col(row)
pattern = generate_sql_pattern(binlog_event, row=row, flashback=flashback, no_pk=no_pk)
sql = cursor.mogrify(pattern['template'], pattern['values'])
time = datetime.datetime.fromtimestamp(binlog_event.timestamp)
Expand Down