Dear Simon, You're right! Thanks, I realised there was a pair of double quotations. However, I received another error related to the commit function: ################################ Traceback (most recent call last): File "import.py", line 31, in <module> main() File "import.py", line 29, in main engine.commit() # transactions are assumed, so close the transaction finished AttributeError: 'Engine' object has no attribute 'commit' Thanks, Cravan
On 13/6/19, 10:49 PM, "Simon King" <sqlalchemy@googlegroups.com on behalf of si...@simonking.org.uk> wrote: This line is normal (the list contains 5 strings): 143 ['The Bridge on the River Kwai', '1957', '161', 'tt0050212', '8.2'] This line is not normal (the list only contains a single string): 144 ['Lock, Stock and Two Smoking Barrels;1998;107;tt0120735;8.2'] You should look at your CSV file (in a text editor, not a spreadsheet application) and see what is different about the "Lock, Stock" line compared to the "River Kwai" line. Simon On Thu, Jun 13, 2019 at 3:39 PM Cravan <cravan...@gmail.com> wrote: > > Hi Simon, > Here's the result, although I actually have 250, it stopped at 144. I have attached the codes and the .csv sheet for your reference. > > > 1 ['The Lego Movie', '2014', '100', 'tt1490017', '7.8'] > 2 ['The Shawshank Redemption', '1994', '142', 'tt0111161', '9.3'] > 3 ['The Godfather', '1972', '175', 'tt0068646', '9.2'] > 4 ['The Godfather: Part II', '1974', '202', 'tt0071562', '9'] > 5 ['The Dark Knight', '2008', '152', 'tt0468569', '9'] > 6 ['12 Angry Men', '1957', '96', 'tt0050083', '8.9'] > 7 ["Schindler's List", '1993', '195', 'tt0108052', '8.9'] > 8 ['The Lord of the Rings: The Return of the King', '2003', '201', ' > tt0167260', '8.9'] > 9 ['Pulp Fiction', '1994', '154', 'tt0110912', '8.9'] > 10 ['The Good the Bad and the Ugly', '1966', '178', 'tt0060196', '8. > 9'] > 11 ['Fight Club', '1999', '139', 'tt0137523', '8.8'] > 12 ['The Lord of the Rings: The Fellowship of the Ring', '2001', '17 > 8', 'tt0120737', '8.8'] > 13 ['Forrest Gump', '1994', '142', 'tt0109830', '8.8'] > 14 ['Star Wars: Episode V - The Empire Strikes Back', '1980', '124', > 'tt0080684', '8.7'] > 15 ['Inception', '2010', '148', 'tt1375666', '8.8'] > 16 ['The Lord of the Rings: The Two Towers', '2002', '179', 'tt0167261', '8.7'] > 17 ['Avengers: Endgame', '2019', '181', 'tt4154796', '8.9'] > 18 ["One Flew Over the Cuckoo's Nest", '1975', '133', 'tt0073486', '8.7'] > 19 ['Goodfellas', '1990', '146', 'tt0099685', '8.7'] > 20 ['The Matrix', '1999', '136', 'tt0133093', '8.7'] > 21 ['Seven Samurai', '1954', '207', 'tt0047478', '8.7'] > 22 ['Se7en', '1995', '127', 'tt0114369', '8.6'] > 23 ['City of God', '2002', '130', 'tt0317248', '8.6'] > 24 ['Star Wars: Episode IV - A New Hope', '1977', '121', 'tt0076759', '8.6'] > 25 ['The Silence of the Lambs', '1991', '118', 'tt0102926', '8.6'] > 26 ["It's a Wonderful Life", '1946', '130', 'tt0038650', '8.6'] > 27 ['Life Is Beautiful', '1997', '116', 'tt0118799', '8.6'] > 28 ['Spirited Away', '2001', '125', 'tt0245429', '8.6'] > 29 ['Saving Private Ryan', '1998', '169', 'tt0120815', '8.6'] > 30 ['The Usual Suspects', '1995', '106', 'tt0114814', '8.6'] > 31 ['Leon: The Professional', '1994', '110', 'tt0110413', '8.6'] > 32 ['The Green Mile', '1999', '189', 'tt0120689', '8.6'] > 33 ['Interstellar', '2014', '169', 'tt0816692', '8.6'] > 34 ['Psycho', '1960', '109', 'tt0054215', '8.5'] > 35 ['American History X', '1998', '119', 'tt0120586', '8.5'] > 36 ['City Lights', '1931', '87', 'tt0021749', '8.5'] > 37 ['Casablanca', '1942', '102', 'tt0034583', '8.5'] > 38 ['Once Upon a Time in the West', '1968', '165', 'tt0064116', '8.5'] > 39 ['The Pianist', '2002', '150', 'tt0253474', '8.5'] > 40 ['Modern Times', '1936', '87', 'tt0027977', '8.5'] > 41 ['The Intouchables', '2011', '112', 'tt1675434', '8.5'] > 42 ['The Departed', '2006', '151', 'tt0407887', '8.5'] > 43 ['Back to the Future', '1985', '116', 'tt0088763', '8.5'] > 44 ['Terminator 2: Judgment Day', '1991', '137', 'tt0103064', '8.5'] > 45 ['Whiplash', '2014', '106', 'tt2582802', '8.5'] > 46 ['The Lion King', '1994', '88', 'tt0110357', '8.5'] > 47 ['Rear Window', '1954', '112', 'tt0047396', '8.5'] > 48 ['Gladiator', '2000', '155', 'tt0172495', '8.5'] > 49 ['Raiders of the Lost Ark', '1981', '115', 'tt0082971', '8.5'] > 50 ['The Prestige', '2006', '130', 'tt0482571', '8.5'] > 51 ['Apocalypse Now', '1979', '147', 'tt0078788', '8.5'] > 52 ['Memento', '2000', '113', 'tt0209144', '8.5'] > 53 ['Alien', '1979', '117', 'tt0078748', '8.5'] > 54 ['Grave of the Fireflies', '1988', '89', 'tt0095327', '8.5'] > 55 ['Cinema Paradiso', '1988', '155', 'tt0095765', '8.5'] > 56 ['Spider-Man: Into the Spider-Verse', '2018', '117', 'tt4633694', '8.5'] > 57 ['The Great Dictator', '1940', '125', 'tt0032553', '8.5'] > 58 ['Sunset Boulevard', '1950', '110', 'tt0043014', '8.4'] > 59 ['The Lives of Others', '2006', '137', 'tt0405094', '8.4'] > 60 ['Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb', '1964', '95', ' > tt0057012', '8.4'] > 61 ['Avengers: Infinity War', '2018', '149', 'tt4154756', '8.5'] > 62 ['Paths of Glory', '1957', '88', 'tt0050825', '8.4'] > 63 ['Django Unchained', '2012', '165', 'tt1853728', '8.4'] > 64 ['The Shining', '1980', '146', 'tt0081505', '8.4'] > 65 ['WALL-E', '2008', '98', 'tt0910970', '8.4'] > 66 ['Princess Mononoke', '1997', '134', 'tt0119698', '8.4'] > 67 ['Witness for the Prosecution', '1957', '116', 'tt0051201', '8.4'] > 68 ['Oldboy', '2003', '120', 'tt0364569', '8.4'] > 69 ['Aliens', '1986', '137', 'tt0090605', '8.4'] > 70 ['The Dark Knight Rises', '2012', '164', 'tt1345836', '8.4'] > 71 ['American Beauty', '1999', '122', 'tt0169547', '8.4'] > 72 ['Once Upon a Time in America', '1984', '229', 'tt0087843', '8.4'] > 73 ['Coco', '2017', '105', 'tt2380307', '8.4'] > 74 ['Das Boot', '1981', '149', 'tt0082096', '8.4'] > 75 ['Citizen Kane', '1941', '119', 'tt0033467', '8.3'] > 76 ['Braveheart', '1995', '178', 'tt0112573', '8.4'] > 77 ['Vertigo', '1958', '128', 'tt0052357', '8.3'] > 78 ['North by Northwest', '1959', '136', 'tt0053125', '8.3'] > 79 ['Reservoir Dogs', '1992', '99', 'tt0105236', '8.3'] > 80 ['Your Name', '2015', '22', 'tt6033368', '8.9'] > 81 ['Star Wars: Episode VI - Return of the Jedi', '1983', '131', 'tt0086190', '8.3'] > 82 ['M', '1931', '99', 'tt0022100', '8.3'] > 83 ['Amadeus', '1984', '160', 'tt0086879', '8.3'] > 84 ['Requiem for a Dream', '2000', '102', 'tt0180093', '8.3'] > 85 ['Dangal', '2016', '161', 'tt5074352', '8.5'] > 86 ['3 Idiots', '2009', '170', 'tt1187043', '8.4'] > 87 ['2001: A Space Odyssey', '1968', '149', 'tt0062622', '8.3'] > 88 ['Toy Story', '1995', '81', 'tt0114709', '8.3'] > 89 ['Like Stars on Earth', '2007', '165', 'tt0986264', '8.4'] > 90 ['Eternal Sunshine of the Spotless Mind', '2004', '108', 'tt0338013', '8.3'] > 91 ['Lawrence of Arabia', '1962', '216', 'tt0056172', '8.3'] > 92 ['A Clockwork Orange', '1971', '136', 'tt0066921', '8.3'] > 93 ["Singin' in the Rain", '1952', '103', 'tt0045152', '8.3'] > 94 ['Amelie', '2001', '122', 'tt0211915', '8.3'] > 95 ['Double Indemnity', '1944', '107', 'tt0036775', '8.3'] > 96 ['Inglourious Basterds', '2009', '153', 'tt0361748', '8.3'] > 97 ['Taxi Driver', '1976', '114', 'tt0075314', '8.3'] > 98 ['Full Metal Jacket', '1987', '116', 'tt0093058', '8.3'] > 99 ['To Kill a Mockingbird', '1962', '129', 'tt0056592', '8.3'] > 100 ['Bicycle Thieves', '1948', '89', 'tt0040522', '8.3'] > 101 ['Good Will Hunting', '1997', '126', 'tt0119217', '8.3'] > 102 ['The Kid', '1921', '68', 'tt0012349', '8.3'] > 103 ['The Sting', '1973', '129', 'tt0070735', '8.3'] > 104 ['The Hunt', '2012', '115', 'tt2106476', '8.3'] > 105 ['Toy Story 3', '2010', '103', 'tt0435761', '8.3'] > 106 ['Snatch', '2000', '102', 'tt0208092', '8.3'] > 107 ['Scarface', '1983', '170', 'tt0086250', '8.3'] > 108 ['For a Few Dollars More', '1965', '132', 'tt0059578', '8.3'] > 109 ['The Apartment', '1960', '125', 'tt0053604', '8.3'] > 110 ['Metropolis', '1927', '153', 'tt0017136', '8.3'] > 111 ['Monty Python and the Holy Grail', '1975', '91', 'tt0071853', '8.3'] > 112 ['L.A. Confidential', '1997', '138', 'tt0119488', '8.3'] > 113 ['A Separation', '2011', '123', 'tt1832382', '8.3'] > 114 ['Indiana Jones and the Last Crusade', '1989', '127', 'tt0097576', '8.2'] > 115 ['Up', '2009', '96', 'tt1049413', '8.2'] > 116 ['Rashomon', '1950', '88', 'tt0042876', '8.3'] > 117 ['All About Eve', '1950', '138', 'tt0042192', '8.3'] > 118 ['Batman Begins', '2005', '140', 'tt0372784', '8.2'] > 119 ['Some Like It Hot', '1959', '121', 'tt0053291', '8.2'] > 120 ['Yojimbo', '1961', '110', 'tt0055630', '8.3'] > 121 ['Downfall', '2004', '156', 'tt0363163', '8.2'] > 122 ['Unforgiven', '1992', '130', 'tt0105695', '8.2'] > 123 ['Die Hard', '1988', '132', 'tt0095016', '8.2'] > 124 ['Heat', '1995', '170', 'tt0113277', '8.2'] > 125 ['The Treasure of the Sierra Madre', '1948', '126', 'tt0040897', '8.2'] > 126 ['Incendies', '2010', '131', 'tt1255953', '8.3'] > 127 ['Ikiru', '1952', '143', 'tt0044741', '8.3'] > 128 ['Green Book', '2018', '130', 'tt6966692', '8.3'] > 129 ['Raging Bull', '1980', '129', 'tt0081398', '8.2'] > 130 ['The Great Escape', '1963', '172', 'tt0057115', '8.2'] > 131 ['Children of Heaven', '1997', '89', 'tt0118849', '8.3'] > 132 ["Pan's Labyrinth", '2006', '118', 'tt0457430', '8.2'] > 133 ['Chinatown', '1974', '130', 'tt0071315', '8.2'] > 134 ['My Neighbor Totoro', '1988', '86', 'tt0096283', '8.2'] > 135 ['The Third Man', '1949', '93', 'tt0041959', '8.2'] > 136 ["Howl's Moving Castle", '2004', '119', 'tt0347149', '8.2'] > 137 ['My Father and My Son', '2005', '108', 'tt0476735', '8.4'] > 138 ['Ran', '1985', '162', 'tt0089881', '8.2'] > 139 ['Judgment at Nuremberg', '1961', '186', 'tt0055031', '8.2'] > 140 ['The Secret in Their Eyes', '2009', '129', 'tt1305806', '8.2'] > 141 ['The Gold Rush', '1925', '95', 'tt0015864', '8.2'] > 142 ['A Beautiful Mind', '2001', '135', 'tt0268978', '8.2'] > 143 ['The Bridge on the River Kwai', '1957', '161', 'tt0050212', '8.2'] > 144 ['Lock, Stock and Two Smoking Barrels;1998;107;tt0120735;8.2'] > ################################# > Traceback (most recent call last): > File "import.py", line 31, in <module> > main() > File "import.py", line 23, in main > year = int(row[1]) > IndexError: list index out of range > Cravan:cepsummative3 CPZ$ > > > Thanks, > Cravan > > > > On 13/6/19, 10:27 PM, "Simon King" <sqlalchemy@googlegroups.com on behalf of si...@simonking.org.uk> wrote: > > In that case I guess your "row" list only has 1 element. Try putting > "print(i, row)" before the "title = row[0]" line. > > On Thu, Jun 13, 2019 at 2:21 PM Cravan <cravan...@gmail.com> wrote: > > > > Hi, > > I got the same error even after adding that. > > ######################### > > Traceback (most recent call last): > > File "import.py", line 30, in <module> > > main() > > File "import.py", line 22, in main > > year = int(row[1]) > > IndexError: list index out of range > > Thanks, > > Cravan > > On 13/6/19, 8:53 PM, "Simon King" <sqlalchemy@googlegroups.com on behalf of si...@simonking.org.uk> wrote: > > > > You have an empty row in your CSV file (maybe a blank line at the end?). > > > > Try adding this at the beginning of your loop: > > > > if not row: > > continue > > > > On Thu, Jun 13, 2019 at 1:26 PM Cravan <cravan...@gmail.com> wrote: > > > > > > Thanks Simon, I got a new error this time: > > > ##################### > > > Traceback (most recent call last): > > > File "import.py", line 28, in <module> > > > main() > > > File "import.py", line 20, in main > > > year = int(row[1]) > > > IndexError: list index out of range > > > > > > Thanks, > > > Cravan > > > > > > On 13/6/19, 8:19 PM, "Simon King" <sqlalchemy@googlegroups.com on behalf of si...@simonking.org.uk> wrote: > > > > > > It's worth pointing out that your first and last errors are database > > > errors from postgresql, whereas the middle syntax error was a Python > > > error. > > > > > > In Python, single and double-quotes are interchangeable, and you can > > > use whichever is more convenient for you. This is not true for > > > postgresql. In PG, single quotes are used for strings, and > > > double-quotes are used for identifiers that you want to be treated > > > literally (eg. because they contain characters that aren't normally > > > allowed in identifiers, or because you want them to be > > > case-sensitive). > > > > > > So in this case, you need imdbID and imdbRating to be surrounded by > > > double-quotes because you want them to be handled as case-sensitive. > > > The easiest thing to do is to change the quotes around the whole SQL > > > statement to be single quotes. > > > > > > ie. > > > > > > sqlalchemy.text('INSERT INTO movies(title, year, runtime, "imdbID", > > > "imdbRating") VALUES(...)') > > > > > > Simon > > > > > > On Thu, Jun 13, 2019 at 12:40 PM Cravan <cravan...@gmail.com> wrote: > > > > > > > > Alright, thanks because I created my sql column names with imdbID, which contains caps. > > > > However, after changing it to single-quotes, I got a syntax error. > > > > ################################### > > > > Traceback (most recent call last): > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/engine/base.py", line 1244, in _execute_conte > > > > xt > > > > cursor, statement, parameters, context > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/engine/default.py", line 550, in do_execute > > > > cursor.execute(statement, parameters) > > > > psycopg2.errors.SyntaxError: syntax error at or near "'imdbID'" > > > > LINE 1: INSERT INTO movies(title, year, runtime, 'imdbID', 'imdbRati... > > > > ^ > > > > > > > > > > > > The above exception was the direct cause of the following exception: > > > > Traceback (most recent call last): > > > > File "import.py", line 28, in <module> > > > > main() > > > > File "import.py", line 25, in main > > > > engine.execute(insert_statement, title=title, year=year, runtime=ru > > > > ntime, imdbID=imdbID, imdbRating=imdbRating) > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/engine/base.py", line 2166, in execute > > > > return connection.execute(statement, *multiparams, **params) > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/engine/base.py", line 988, in execute > > > > return meth(self, multiparams, params) > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/sql/elements.py", line 287, in _execute_on_co > > > > nnection > > > > return connection._execute_clauseelement(self, multiparams, params) > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/engine/base.py", line 1107, in _execute_claus > > > > eelement > > > > distilled_params, > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/engine/base.py", line 1248, in _execute_conte > > > > xt > > > > e, statement, parameters, cursor, context > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/engine/base.py", line 1466, in _handle_dbapi_ > > > > exception > > > > util.raise_from_cause(sqlalchemy_exception, exc_info) > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/util/compat.py", line 383, in raise_from_caus > > > > e > > > > reraise(type(exception), exception, tb=exc_tb, cause=cause) > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/util/compat.py", line 128, in reraise > > > > raise value.with_traceback(tb) > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/engine/base.py", line 1244, in _execute_conte > > > > xt > > > > cursor, statement, parameters, context > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7 > > > > /site-packages/sqlalchemy/engine/default.py", line 550, in do_execute > > > > cursor.execute(statement, parameters) > > > > sqlalchemy.exc.ProgrammingError: (psycopg2.errors.SyntaxError) syntax e > > > > rror at or near "'imdbID'" > > > > LINE 1: INSERT INTO movies(title, year, runtime, 'imdbID', 'imdbRati... > > > > [SQL: INSERT INTO movies(title, year, runtime, 'imdbID', 'imdbRating') > > > > VALUES (%(title)s, %(year)s, %(runtime)s, %(imdbID)s, %(imdbRating)s)] > > > > [parameters: {'title': 'The Lego Movie', 'year': 2014, 'runtime': 100, > > > > 'imdbID': 'tt1490017', 'imdbRating': 7.8}] > > > > (Background on this error at: http://sqlalche.me/e/f405) > > > > Thanks, > > > > Cravan > > > > > > > > > > > > > > > > On 13/6/19, 7:36 PM, "Simon King" <sqlalchemy@googlegroups.com on behalf of si...@simonking.org.uk> wrote: > > > > > > > > You've got double-quotes around "imdbID" and "imdbRating" on that > > > > line, and double-quotes around the SQL statement, which is a syntax > > > > error. I think you should be able to just remove the quotes around the > > > > column names, but if you really need them for some reason, replace the > > > > outer double-quotes with single-quotes. > > > > > > > > Simon > > > > > > > > On Thu, Jun 13, 2019 at 12:20 PM Cravan <cravan...@gmail.com> wrote: > > > > > > > > > > I got a new error after using Simon's suggestion, would someone help me? > > > > > ###################################### > > > > > File "import.py", line 24 > > > > > insert_statement = sqlalchemy.text("INSERT INTO movies(title, year, > > > > > runtime, "imdbID", "imdbRating") VALUES (:title, :year, :runtime, :imd > > > > > bID, :imdbRating)") > > > > > > > > > > ^ > > > > > SyntaxError: invalid syntax > > > > > Thanks, > > > > > Cravan > > > > > On 13/6/19, 7:10 PM, "Simon King" <sqlalchemy@googlegroups.com on behalf of si...@simonking.org.uk> wrote: > > > > > > > > > > Your "engine.execute" statement looks wrong to me: > > > > > > > > > > engine.execute('INSERT INTO > > > > > movies("title","year","runtime","imdbID","imdbRating") VALUES > > > > > ((title), (year), (runtime), (imdbID), (imdbRating))', > > > > > {"title": title, "year": year, "runtime": runtime, "imdbID": > > > > > imdbID, "imdbRating": imdbRating }) > > > > > > > > > > In particular, the VALUES clause is wrong. That's not the way that you > > > > > specify parameters when executing a parametrized query, so the > > > > > database is interpreting "(title)" as a reference to a column, rather > > > > > than a reference to a parameter. > > > > > > > > > > You're probably best off using SQLAlchemy's text() construct: > > > > > > > > > > https://docs.sqlalchemy.org/en/13/core/tutorial.html#using-textual-sql > > > > > > > > > > You would put this outside the loop: > > > > > > > > > > insert_statement = sqlalchemy.text( > > > > > "INSERT INTO movies(title, year, runtime, imdbID, imdbRating) > > > > > VALUES (:title, :year, :runtime, :imdbID, :imdbRating)" > > > > > ) > > > > > > > > > > and then inside the loop you would use: > > > > > > > > > > engine.execute(insert_statement, title=title, year=year, > > > > > runtime=runtime, imdbID=imdbID, imdbRating=imdbRating) > > > > > > > > > > Also, I suspect (but haven't verified) that "engine.execute()" will > > > > > check out a connection from the pool, run the statement, and commit a > > > > > transaction. If you want to import all the rows in a single > > > > > transaction, you should probably explicitly create a connection at the > > > > > beginning, use "connection.execute()" to run your SQL, and commit it > > > > > at the end. See > > > > > https://docs.sqlalchemy.org/en/13/core/connections.html#using-transactions > > > > > for examples. > > > > > > > > > > Hope that helps, > > > > > > > > > > Simon > > > > > > > > > > > > > > > On Thu, Jun 13, 2019 at 11:15 AM Cravan <cravan...@gmail.com> wrote: > > > > > > > > > > > > I'm getting a weird error code when I try to store values from a csv into an sql table in a movie review assignment. > > > > > > > > > > > > I have already edited my apostrophes and spacing and looked up examples from google to try and resolve my error to no avail. I also ensured that i defined DATABASE_URL properly. Sorry for the long traceback error at the end :P Please note that my csv values are stored in lists in each cell. They are arranged in a single column such as > > > > > > > > > > > > The Lego Movie;2014;100;tt1490017;7.8 > > > > > > > > > > > > This is my main code > > > > > > > > > > > > import csv > > > > > > import sys > > > > > > import os > > > > > > from sqlalchemy import Column, ForeignKey, Integer, String > > > > > > from sqlalchemy import create_engine > > > > > > from flask import Flask, render_template, request, session > > > > > > from flask_sqlalchemy import SQLAlchemy > > > > > > from flask_session import Session > > > > > > > > > > > > engine = create_engine(os.getenv("DATABASE_URL")) # database engine object from SQLAlchemy that manages connections to the database,# DATABASE_URL is an environment variable that indicates where the database lives > > > > > > > > > > > > def main(): > > > > > > f = open("movies.csv","r") > > > > > > reader = csv.reader(f, delimiter=';') > > > > > > for i, row in enumerate(reader): # loop gives each column a name > > > > > > if i == 0: > > > > > > continue > > > > > > title = row[0] > > > > > > year = int(row[1]) > > > > > > runtime = int(row[2]) > > > > > > imdbID = row[3] > > > > > > imdbRating = float(row[4]) > > > > > > engine.execute('INSERT INTO movies("title","year","runtime","imdbID","imdbRating") VALUES ((title), (year), (runtime), (imdbID), (imdbRating))', > > > > > > {"title": title, "year": year, "runtime": runtime, "imdbID": imdbID, "imdbRating": imdbRating }) > > > > > > engine.commit() # transactions are assumed, so close the transaction finished > > > > > > if __name__ == "__main__": > > > > > > main() > > > > > > > > > > > > SQL code: > > > > > > > > > > > > CREATE TABLE movies ( > > > > > > "title" SERIAL PRIMARY KEY, > > > > > > "year" INTEGER NOT NULL, > > > > > > "runtime" INTEGER NOT NULL, > > > > > > "imdbID" VARCHAR NOT NULL, > > > > > > "imdbRating" INTEGER NOT NULL > > > > > > ); > > > > > > > > > > > > New error code: > > > > > > > > > > > > Traceback (most recent call last): > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/engine/base.py", line 1244, in _execute_context > > > > > > cursor, statement, parameters, context > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/engine/default.py", line 550, in do_execute > > > > > > cursor.execute(statement, parameters) > > > > > > psycopg2.errors.UndefinedColumn: column "title" does not exist > > > > > > LINE 1: ...,"year","runtime","imdbID","imdbRating") VALUES ((title), (y... > > > > > > ^ > > > > > > HINT: There is a column named "title" in table "movies", but it cannot be re > > > > > > ferenced from this part of the query. > > > > > > > > > > > > > > > > > > The above exception was the direct cause of the following exception: > > > > > > Traceback (most recent call last): > > > > > > File "import.py", line 26, in <module> > > > > > > main() > > > > > > File "import.py", line 23, in main > > > > > > {"title": title, "year": year, "runtime": runtime, "imdbID": imdbID, "imd > > > > > > bRating": imdbRating }) > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/engine/base.py", line 2166, in execute > > > > > > return connection.execute(statement, *multiparams, **params) > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/engine/base.py", line 982, in execute > > > > > > return self._execute_text(object_, multiparams, params) > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/engine/base.py", line 1155, in _execute_text > > > > > > parameters, > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/engine/base.py", line 1248, in _execute_context > > > > > > e, statement, parameters, cursor, context > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/engine/base.py", line 1466, in _handle_dbapi_exception > > > > > > util.raise_from_cause(sqlalchemy_exception, exc_info) > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/util/compat.py", line 383, in raise_from_cause > > > > > > reraise(type(exception), exception, tb=exc_tb, cause=cause) > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/util/compat.py", line 128, in reraise > > > > > > raise value.with_traceback(tb) > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/engine/base.py", line 1244, in _execute_context > > > > > > cursor, statement, parameters, context > > > > > > File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site- > > > > > > packages/sqlalchemy/engine/default.py", line 550, in do_execute > > > > > > cursor.execute(statement, parameters) > > > > > > sqlalchemy.exc.ProgrammingError: (psycopg2.errors.UndefinedColumn) column "ti > > > > > > tle" does not exist > > > > > > LINE 1: ...,"year","runtime","imdbID","imdbRating") VALUES ((title), (y... > > > > > > ^ > > > > > > HINT: There is a column named "title" in table "movies", but it cannot be re > > > > > > ferenced from this part of the query. > > > > > > > > > > > > [SQL: INSERT INTO movies("title","year","runtime","imdbID","imdbRating") VALU > > > > > > ES ((title), (year), (runtime), (imdbID), (imdbRating))] > > > > > > [parameters: {'title': 'Title', 'year': 'Year', 'runtime': 'Runtime', 'imdbID > > > > > > ': 'imdbID', 'imdbRating': 'imdbRating\n'}] > > > > > > (Background on this error at: http://sqlalche.me/e/f405) > > > > > > > > > > > > -- > > > > > > SQLAlchemy - > > > > > > The Python SQL Toolkit and Object Relational Mapper > > > > > > > > > > > > http://www.sqlalchemy.org/ > > > > > > > > > > > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > > > > > > --- > > > > > > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > > > > > > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > > > > > > To post to this group, send email to sqlalchemy@googlegroups.com. > > > > > > Visit this group at https://groups.google.com/group/sqlalchemy. > > > > > > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/ca1b1197-3f05-4572-a11a-fda4e08d27f3%40googlegroups.com. > > > > > > For more options, visit https://groups.google.com/d/optout. > > > > > > > > > > -- > > > > > SQLAlchemy - > > > > > The Python SQL Toolkit and Object Relational Mapper > > > > > > > > > > http://www.sqlalchemy.org/ > > > > > > > > > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > > > > > --- > > > > > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > > > > > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > > > > > To post to this group, send email to sqlalchemy@googlegroups.com. > > > > > Visit this group at https://groups.google.com/group/sqlalchemy. > > > > > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/CAFHwexcqMjc_vUtNhx-dpyS6ECK5TSDeObDEGzeOFR1n35JkdQ%40mail.gmail.com. > > > > > For more options, visit https://groups.google.com/d/optout. > > > > > > > > > > > > > > > -- > > > > > SQLAlchemy - > > > > > The Python SQL Toolkit and Object Relational Mapper > > > > > > > > > > http://www.sqlalchemy.org/ > > > > > > > > > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > > > > > --- > > > > > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > > > > > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > > > > > To post to this group, send email to sqlalchemy@googlegroups.com. > > > > > Visit this group at https://groups.google.com/group/sqlalchemy. > > > > > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/2E8C06E7-BD2D-408A-BFE4-6657C5270CF5%40gmail.com. > > > > > For more options, visit https://groups.google.com/d/optout. > > > > > > > > -- > > > > SQLAlchemy - > > > > The Python SQL Toolkit and Object Relational Mapper > > > > > > > > http://www.sqlalchemy.org/ > > > > > > > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > > > > --- > > > > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > > > > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > > > > To post to this group, send email to sqlalchemy@googlegroups.com. > > > > Visit this group at https://groups.google.com/group/sqlalchemy. > > > > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/CAFHwexexCE%3DpS-wP6Nxbd2znhesjwtuzt1zjodPytdiKF-x7uQ%40mail.gmail.com. > > > > For more options, visit https://groups.google.com/d/optout. > > > > > > > > > > > > -- > > > > SQLAlchemy - > > > > The Python SQL Toolkit and Object Relational Mapper > > > > > > > > http://www.sqlalchemy.org/ > > > > > > > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > > > > --- > > > > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > > > > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > > > > To post to this group, send email to sqlalchemy@googlegroups.com. > > > > Visit this group at https://groups.google.com/group/sqlalchemy. > > > > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/4E9096F6-7FD9-4AAF-A045-0DBCE352FE9F%40gmail.com. > > > > For more options, visit https://groups.google.com/d/optout. > > > > > > -- > > > SQLAlchemy - > > > The Python SQL Toolkit and Object Relational Mapper > > > > > > http://www.sqlalchemy.org/ > > > > > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > > > --- > > > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > > > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > > > To post to this group, send email to sqlalchemy@googlegroups.com. > > > Visit this group at https://groups.google.com/group/sqlalchemy. > > > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/CAFHwexeK05VEPLk1cLH2iq0tSzpunWViNd2DRCDLZdQi_H85xA%40mail.gmail.com. > > > For more options, visit https://groups.google.com/d/optout. > > > > > > > > > -- > > > SQLAlchemy - > > > The Python SQL Toolkit and Object Relational Mapper > > > > > > http://www.sqlalchemy.org/ > > > > > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > > > --- > > > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > > > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > > > To post to this group, send email to sqlalchemy@googlegroups.com. > > > Visit this group at https://groups.google.com/group/sqlalchemy. > > > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/ECE19F5A-993C-4063-957F-C198A1591A13%40gmail.com. > > > For more options, visit https://groups.google.com/d/optout. > > > > -- > > SQLAlchemy - > > The Python SQL Toolkit and Object Relational Mapper > > > > http://www.sqlalchemy.org/ > > > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > > --- > > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > > To post to this group, send email to sqlalchemy@googlegroups.com. > > Visit this group at https://groups.google.com/group/sqlalchemy. > > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/CAFHwexeAZ4SYJGD_zmh0NV97RtMER1Cq5Cr7FM%3D-5TeAAX1_vQ%40mail.gmail.com. > > For more options, visit https://groups.google.com/d/optout. > > > > > > -- > > SQLAlchemy - > > The Python SQL Toolkit and Object Relational Mapper > > > > http://www.sqlalchemy.org/ > > > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > > --- > > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > > To post to this group, send email to sqlalchemy@googlegroups.com. > > Visit this group at https://groups.google.com/group/sqlalchemy. > > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/A8B78051-BE1B-4D1B-BEAB-01F595138DE3%40gmail.com. > > For more options, visit https://groups.google.com/d/optout. > > -- > SQLAlchemy - > The Python SQL Toolkit and Object Relational Mapper > > http://www.sqlalchemy.org/ > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. > --- > You received this message because you are subscribed to the Google Groups "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. > To post to this group, send email to sqlalchemy@googlegroups.com. > Visit this group at https://groups.google.com/group/sqlalchemy. > To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/CAFHwexfijvidk5PyFJkS2-XO0%3DX3zxP32QKOQULNiso-iHcfUQ%40mail.gmail.com. > For more options, visit https://groups.google.com/d/optout. > > > -- > SQLAlchemy - > The Python SQL Toolkit and Object Relational Mapper > > http://www.sqlalchemy.org/ > > To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. 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