id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,pull_request,body,repo,type,active_lock_reason,performed_via_github_app,reactions,draft,state_reason 1212701569,I_kwDOCGYnMM5ISFuB,427,"sqlite-utils convert date parsing recipe complains about trying to parse ""*""",1385831,closed,0,,,1,2022-04-22T19:27:10Z,2022-07-02T13:59:59Z,2022-07-02T13:59:32Z,NONE,,"Missing values in my dataset are denoted by a single asterisk. I am trying to parse string dates into dates. This works fine for columns without missing values, but, when the column contains ""*"", I get the following: ``` $ sqlite-utils convert ${dbfile} details dob 'r.parsedate(value)' [------------------------------------] 0%Traceback (most recent call last): File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/sqlite_utils/db.py"", line 2508, in convert_value return fn(v) File """", line 2, in fn File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/sqlite_utils/recipes.py"", line 8, in parsedate parser.parse(value, dayfirst=dayfirst, yearfirst=yearfirst).date().isoformat() File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/dateutil/parser/_parser.py"", line 1368, in parse return DEFAULTPARSER.parse(timestr, **kwargs) File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/dateutil/parser/_parser.py"", line 643, in parse raise ParserError(""Unknown string format: %s"", timestr) dateutil.parser._parser.ParserError: Unknown string format: * Traceback (most recent call last): File ""/usr/local/bin/sqlite-utils"", line 33, in sys.exit(load_entry_point('sqlite-utils==3.25.1', 'console_scripts', 'sqlite-utils')()) File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/click/core.py"", line 1128, in __call__ return self.main(*args, **kwargs) File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/click/core.py"", line 1053, in main rv = self.invoke(ctx) File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/click/core.py"", line 1659, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/click/core.py"", line 1395, in invoke return ctx.invoke(self.callback, **ctx.params) File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/click/core.py"", line 754, in invoke return __callback(*args, **kwargs) File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/sqlite_utils/cli.py"", line 2698, in convert db[table].convert( File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/sqlite_utils/db.py"", line 2524, in convert self.db.execute(sql, where_args or []) File ""/usr/local/Cellar/sqlite-utils/3.25.1/libexec/lib/python3.9/site-packages/sqlite_utils/db.py"", line 458, in execute return self.conn.execute(sql, parameters) sqlite3.OperationalError: user-defined function raised exception ``` ",140912432,issue,,,"{""url"": ""https://api.github.com/repos/simonw/sqlite-utils/issues/427/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed