Execution Error No Such Column Called From Dbi
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Django Operationalerror No Such Column
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with file-name-extensions up vote 1 down vote favorite 1 In this script I have problems with file-name-extensions: if I use /home/mm/test_x it works, with file named /home/mm/test_x.csv it doesn't: #!/usr/bin/env perl use warnings; use strict; use 5.012; use DBI; my $table_1 = '/home/mm/test_1.csv'; my $table_2 = '/home/mm/test_2.csv'; #$table_1 = '/home/mm/test_1'; #$table_2 = '/home/mm/test_2'; my $dbh = DBI->connect( "DBI:CSV:" ); $dbh->{RaiseError} = 1; $table_1 = $dbh->quote_identifier( django no such column user_id $table_1 ); $table_2 = $dbh->quote_identifier( $table_2 ); my $sth = $dbh->prepare( "SELECT a.id, a.name, b.city FROM $table_1 AS a NATURAL JOIN $table_2 AS b" ); $sth->execute; $sth->dump_results; $dbh->disconnect; Output with file-name-extention: DBD::CSV::st execute failed: Execution ERROR: No such column '"/home/mm/test_1.csv".id' called from /usr/local/lib/perl5/site_perl/5.12.0/x86_64-linux/DBD/File.pm at 570. Output without file-name-extension: '1', 'Brown', 'Laramie' '2', 'Smith', 'Watertown' 2 rows Is this a bug? cat test_1.csv id,name 1,Brown 2,Smith 5,Green cat test_2.csv id,city 1,Laramie 2,Watertown 8,Springville perl csv dbi filenames dbd share|improve this question edited May 8 '10 at 11:49 asked May 7 '10 at 6:52 sid_com 7,5891461125 Can you also give sample data in csv files. –Space May 7 '10 at 7:52 add a comment| 3 Answers 3 active oldest votes up vote 3 down vote accepted DBD::CSV provides a way to map the table names you use in your queries to filenames. The same mechanism is used to set up per-file attributes like line ending, field separator etc. look for 'csv_tables' in the DBD::CSV documentation. #!/usr/bin/env perl use warnings; use strict; use DBI; my $dbh = DBI->connect("DBI:CSV:f_dir=/home/mm", { RaiseError => 1 }); $dbh->{csv_tables}->{table_1} = { 'file' => 'test_1.csv', 'eol' => "\n",
here for django makemigrations no such column a quick overview of the site Help Center no such column sqlite android Detailed answers to any questions you might have Meta Discuss the workings django.db.utils.operationalerror: no such column: and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers http://stackoverflow.com/questions/2786741/dbdcsv-problem-with-file-name-extensions or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only http://stackoverflow.com/questions/26312219/operationalerror-no-such-column-django takes a minute: Sign up OperationalError, no such column. Django up vote 17 down vote favorite 1 I am very new to django and was able to finish the tutorial on djangoproject.com without any errors. I am now going through the Django REST framework tutorial found at http://www.django-rest-framework.org/ I am almost finished with it and just added authentication. Now I am getting : OperationalError at /snippets/ no such column: snippets_snippet.owner_id Request Method: GET Request URL: http://localhost:8000/snippets/ Django Version: 1.7 Exception Type: OperationalError Exception Value: no such column: snippets_snippet.owner_id Exception Location: /Users/taylorallred/Desktop/env/lib/python2.7/site-packages/django/db/backends/sqlite3/base.py in execute, line 485 Python Executable: /Users/taylorallred/Desktop/env/bin/python Python Version: 2.7.5 Python Path: ['/Users/taylorallred/Desktop/tutorial', '/Users/taylorallred/Desktop/env/lib/python27.zip', '/Users/taylorallred/Desktop/env/lib/python2.7', '/Users/taylorallred/Desktop/env/lib/python2.7/plat-darwin', '/Users/taylorallred/Desktop/env/lib/python2.7/plat-mac', '/Users/taylorallred/Desktop/env/lib/python2.7/plat-mac/lib-scriptpackages', '/Users/taylorallred/Desktop/env/Extras/lib/python', '/Users/taylorallred/Desktop/env/lib/python2.7/lib-tk', '/Users/taylorallred/Desktop/env/lib/python2.7/lib-old', '/Users/taylorallred/Desktop/env/lib/python2.7/lib-dynload', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/Users/taylorallred/Desktop/env/lib/py
am trying to get comfortable with DBI, and due to stupid circumstances beyond my control at the moment, have to try to make do without an actual http://www.nntp.perl.org/group/perl.dbi.users/2002/10/msg14682.html database server. This means using something like DBD::CSV. I am just trying to go through the O'Reilly Perl DBI book, so don't need anything too complex I have found, https://www.bountysource.com/teams/rstats-db/issues however, that I cannot do a SELECT over multiple tables. The documentation seems to indicate that I should be able to. I have checked all the software, and it is no such up to date: perl v5.8.0 DBI v1.30 DBD::CSV v0.2002 SQL::Parser v1.004 SQL::Statement v1.004 (I did find an older version of CSV, but got rid of it) I am running under Solaris 8 on a SPARCstation 5. (Yes, there are DB servers for it, but I don't have disk space!) The error I get is: Execution Error: No such column 'MEGALITHS.ID' no such column called from query2 at 23. The program (query2) looks like this: <-- begin included file query2 --> #!/usr/bin/perl -w use DBI; # Load the DBI module $dbd = "DBI:CSV:f_dir=magalith_db"; $login = undef; $passwd = undef; ### Perform the connection using the Oracle driver my $dbh = DBI->connect( $dbd, $login, $passwd ); $dbh->{'RaiseError'} = 1; # turn off die() on error $dbh->{'PrintError'} = 1; # turn off warn() on error ### create the megaliths table my $query = "SELECT megaliths.id, megaliths.name, site_types.site_type FROM megaliths, site_types WHERE megaliths.site_type_id = site_types.id "; $sth = $dbh->prepare($query ) || die "Dude! This sucker failed! : $sth->errstr()\n"; $sth->execute(); #while (my $row = $sth->fetchrow_hashref) { # print("Found result row: id = ", $row->{'id'}, # ", name = ", $row->{'name'}, ", site_type = ", # $row->{'site_type'}, "\n"); #} while ( my @row = $sth->fetchrow_array() ) { print "row: @row\n"; } ### Disconnect from the database $dbh->disconnect; exit; <-- end included file query2 --> If anyone can help, I would greatly appreciate it. Scott Thread Next DBD::CSV and multiple table queries by Scott McGee Re: DBD::