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Make the port script drop NUL values in all tables

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Postgres doesn't support NULs in strings so it makes the script
throw an exception and stop if any values contain \0. Drop them
with appropriate warning.
This commit is contained in:
David Baker 2017-10-31 16:58:49 +00:00
parent c31a7c3ff6
commit 9d419f48e6
1 changed files with 19 additions and 7 deletions
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20
scripts/synapse_port_db
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@ -320,7 +320,7 @@ class Porter(object):
backward_chunk = min(row[0] for row in brows) - 1
rows = frows + brows
self._convert_rows(table, headers, rows)
rows = self._convert_rows(table, headers, rows)
def insert(txn):
self.postgres_store.insert_many_txn(
@ -556,17 +556,29 @@ class Porter(object):
i for i, h in enumerate(headers) if h in bool_col_names
]
class BadValueException(Exception):
pass
def conv(j, col):
if j in bool_cols:
return bool(col)
elif isinstance(col, basestring) and "\0" in col:
logger.warn("DROPPING ROW: NUL value in table %s col %s: %r", table, headers[j], col)
raise BadValueException();
return col
outrows = []
for i, row in enumerate(rows):
rows[i] = tuple(
try:
outrows.append(tuple(
conv(j, col)
for j, col in enumerate(row)
if j > 0
)
))
except BadValueException:
pass
return outrows
@defer.inlineCallbacks
def _setup_sent_transactions(self):
@ -594,7 +606,7 @@ class Porter(object):
"select", r,
)
self._convert_rows("sent_transactions", headers, rows)
rows = self._convert_rows("sent_transactions", headers, rows)
inserted_rows = len(rows)
if inserted_rows: