Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

fix: extract tables doesn't work with reserved keywords #17654

Merged
merged 1 commit into from
Dec 8, 2021
Merged

fix: extract tables doesn't work with reserved keywords #17654

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
16 changes: 15 additions & 1 deletion superset/sql_parse.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -305,6 +305,11 @@ def _extract_from_token(self, token: Token) -> None:

table_name_preceding_token = False

# If the table name is a reserved word (eg, "table_name") it won't be returned. We
# fix this by ensuring that at least one identifier is returned after the FROM
# before stopping on a keyword.
has_processed_identifier = False

for item in token.tokens:
if item.is_group and (
not self._is_identifier(item) or isinstance(item.tokens[0], Parenthesis)
Expand All @@ -318,16 +323,25 @@ def _extract_from_token(self, token: Token) -> None:
table_name_preceding_token = True
continue

if item.ttype in Keyword:
# If we haven't processed any identifiers it means the table name is a
# reserved keyword (eg, "table_name") and we shouldn't skip it.
if item.ttype in Keyword and has_processed_identifier:
table_name_preceding_token = False
continue
if table_name_preceding_token:
if isinstance(item, Identifier):
self._process_tokenlist(item)
has_processed_identifier = True
elif isinstance(item, IdentifierList):
for token2 in item.get_identifiers():
if isinstance(token2, TokenList):
self._process_tokenlist(token2)
has_processed_identifier = True
elif item.ttype in Keyword:
# convert into an identifier
fixed = Identifier([Token(Name, item.value)])
self._process_tokenlist(fixed)
has_processed_identifier = True
elif isinstance(item, IdentifierList):
if any(not self._is_identifier(token2) for token2 in item.tokens):
self._extract_from_token(item)
Expand Down
Loading