Psycopg2 Errors Invalidtextrepresentation Invalid Input Syntax For Integer

Summary: this tutorial shows you the step by step how to insert one or more rows into a PostgreSQL table in Python. ST_Buffer(geom, 0) works for fixing self-intersections in input geometries (often coming from shp files), but I don't think it will help you when the input geometries are all reported as valid, and the self-intersection is coming from the intersection itself. I was suggesting that splitting a string by an empty string might cause issues. Technical & Programming knowledge for developers. While at it rework the Python to Postgres error passing mechanism a bit. __libpq_version__¶ Integer constant reporting the version of the libpq library this psycopg2 module was compiled with (in the same format of server_version). Enumerated (enum) types are data types that comprise a static, ordered set of values. 14 ORM: SELECT test. Re: ERROR: invalid input syntax for integer: "" at 2013-02-06 04:52:50 from Adrian Klaver; Responses. Artikel und Spezialartikel: Mehrere Tabellen mit doppelten Spalten, Haupttabelle und Detailtabelle oder …? Wählen Sie Personen, die beide Apfel und Banane mögen SQL - Analysieren einer Abfrage Sehr herausforderndes SQL-Interview (gespeicherte Prozedur kann nicht verwendet werden) Gespeicherte Prozedur, wann Output-Parameter vs Rückgabevariable zu verwenden ist INSERT IN Access-database. Column lon, lon are of type character varying. numeric arguments in prepared statements are sent to postgres as strings. Wikipedia provides some nice explanation of possible duplicates. 5 and have a custom User model that has a string ID field. It's from a Python book but when I copy and paste to check the output I get this using Python 2. Einige Werte sind leere characterfolgen. When creating tables, SQLAlchemy will issue the SERIAL datatype for integer-based primary key columns, which generates a sequence and server side default corresponding to the column. It could mean "0" or it could mean NULL. Similar problems exist for "Row ID" columns or large binary items (e. This is a site all about Java, including Java Core, Java Tutorials, Java Frameworks, Eclipse RCP, Eclipse JDT, and Java Design Patterns. He has authored 12 SQL Server database books, 24 Pluralsight courses and has written over 4900 articles on the database technology on his blog at a https://blog. The article in the link, in fact, hints at Rails not thinking a string column an integer column, not the other way around. In 2014, we were caught off guard by an invalid SQL query attempting to insert an int into a string column or maybe it was a string into an int column. Invalid syntax on else: If there are more errors, it might be indentation which I cannot. It has more than 15 years of active development phase and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. PostgreSQL supports sequences, and SQLAlchemy uses these as the default means of creating new primary key values for integer-based primary key columns. If this is not possible with the current script please let me know if there are other ways of importing the CSV data into postgreSQL using Python. py Your number: 34 There may or may not have been an exception. Contact Support about this user's behavior. Any assistance would be appreciated. One line of my csv file contains something like 1,{"a":"b"} Suppose. In your code random_seller_info_id function field type 'many2one' but in the code sql select statement return the name of the product_supplierinfo change into ID. I also want to extend the user to add things like profile pictures and other information. The dates are in the format dd/mm/yyyy and there isn't a date in the field in question in the. execute*() method are untyped. Accessibility concerns. FreddieMac. Invalid Input Syntax for Type date. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Psycopg2 is a DB API 2. エラーメッセージなど(原文のまま):psycopg2-2. Invalid Input Errors. The source of our confusion is stemming from the fact that the offending. invalid input syntax for integer with postgres. 14 ORM: SELECT test. He has authored 12 SQL Server database books, 24 Pluralsight courses and has written over 4900 articles on the database technology on his blog at a https://blog. Logged In: YES user_id=1429766 Originator: NO. i created one module called Employee Transfer has field called to_department_id = fields. It could mean "0" or it could mean NULL. When I try to change a site, I get the following error: Environment: Request Method. An integer is a whole number that can be negative, zero or positive. Bonjour, Ton erreur viens du fait que tes conditions (if, elif, elif, etc) sont imbriqué les unes dans les autres alors qu'elles devraient être au même niveau d'identation Plus précisement un elif et un else "répondent" à un if et doivent donc être au même niveau que lui. A little demo seems to indicate the resultant string set might include an empty string in addition to just the letters (hence the comma). 2 server, but I get errors when doing that. 6, but not on the production machine using 9. I also want to extend the user to add things like profile pictures and other information. Errors and Exceptions In Python, there are two kinds of errors: syntax errors and exceptions. The only problem with that is it leaves "xyz" in the input buffer, waiting for the next scanf() call. "message": "OtherError: (psycopg2. So if you loop back to the printf() when there's an invalid input you'll just get stuck in an infinite loop unless you go through the trouble of clearing the input buffer. PSQLException: ERROR: invalid input syntax for integer: "" Problem Code So we starting looking at the code and found a query quite similar as below causing the above exception. Actually i did not open a bug on github, this nextcloud instance was an expe for us. - John Powell Mar 1 '17 at 9:52. execute(operation, params=None, multi=True) This method executes the given database operation (query or command). On Ubuntu terminal I try to compile withg++ -o circleArea circleArea. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. PostgreSQL Database Forums on Bytes. However, I keep getting this error: invalid input syntax for type double precision: "" My assumption is that there is a blank entry and that postgres doesn't know to treat it as a double precision. People who have certain types of color blindness will be unable to determine the input's state unless it is accompanied by an additional indicator that does not rely on color to convey meaning. 14 Active Support version 2. Services Ltd is a company registered in England and Wales. Invalid Input. The connection parameters can be specified either as a string:. I enclose the header in double quotes in CSV files (thread PG COPY error: invalid input syntax for integer). I also want to extend the user to add things like profile pictures and other information. id AS test_id, test. exeからダウンロードインストールをいたしました。 この状況の中Pythonからpsycopg2をインポートしようとするとエラーになります。. The syntax is invalid, as the indentation of the ‘else’ keyword is incorrect. Integer constant reporting the version of the libpq library this psycopg2 module was compiled with (in the same format of server_version). query('SELECT * FROM numbers WHERE n > $1', [123. One or more fields contains invalid characters. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Try preprocess your 'uld' file with following script:. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. diary_2018_main_id_seq':regclass')" the user received when building 2018 timeslots on the, has been resolved. Connect to PostgreSQL database from Python using Psycopg2. DataError: invalid input syntax for integer: "" at 2018-05-07 06:39:15 from David G. JSON stands for JavaScript Object Notation. DataError: (psycopg2. Hide content and notifications from this user. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. I still have this bug on my nextcloud install atm. The source of our confusion is stemming from the fact that the offending. Errors and Exceptions In Python, there are two kinds of errors: syntax errors and exceptions. Postgresql requires null (not empty) value for numeric fields. If str() or unicode() is called on an instance of this class, the representation of the argument(s) to the instance are returned, or the empty string when there were no arguments. Odoo is a suite of open source business apps that cover all your company needs: CRM, eCommerce, accounting, inventory, point of sale, project management, etc. Skip to content. execute*() method are untyped. IFNULL ERROR 3681: Invalid input syntax for integer. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Wikipedia provides some nice explanation of possible duplicates. , a string into an integer, a string to date, a string to double etc. Sometimes these errors are your mistake in the code, other times, they are unavoidable, yet potentially harmful. We can create them simply by enclosing characters in quotes. Dates can be provided to the function by using another date function, by using an expression that returns a date, or by typing a date in a datetime format. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. An example of an enum type might be the days of the week, or a set of status values for a piece of data. Post by heather » Mon Jan 07, 2013 8:37 pm Hi, IFNULL ERROR 3681: Invalid input syntax for integer. Thanks lykwydchykyn, I want to be able to do at the Python level. write('{} {} {} {}\n'. invalid input syntax for integer with postgres. Re: ERROR: invalid input syntax for integer: "" at 2013-02-06 05:30:00 from Adrian Klaver Re: ERROR: invalid input syntax for integer: "" at 2013-02-06 05:33:00 from Adrian Klaver Browse pgsql-general by date. Inspect the underlying exception message and correct the syntax errors in the input XML. 14 Application root /srv/redmine/redmine Environment production Database adapter postgresql. And I strongly advice against using implicit datatype converstion. My machine runs Ubuntu 14. ERROR: invalid input syntax for type numeric: " "SQLステート:22P02 何か数値に変換できないデータがあるようです。調べてみると、データが入っていません。ただしNULLではありません。. OK, I Understand. Actually i did not open a bug on github, this nextcloud instance was an expe for us. Among all injection types, SQL injection is one of the most common attack vectors, and arguably the most. Below is my code which I am using to help me do my mathematics homework. Makes Drupal less vulnerable to abuse or misuse. Much as I hate to do it, the following will hack Postgres to make it as sloppy as MySQL. Dates can be provided to the function by using another date function, by using an expression that returns a date, or by typing a date in a datetime format. Postgres -> [22007] ERROR: invalid input syntax for type timestamp: " " I have a table that stores a number of data types as a string. Collected from the PG bugs email list. The typical example is with single quotes in strings: in SQL single quotes are used as string literal delimiters, so the ones appearing inside the string itself must be escaped, whereas in Python single quotes can be left unescaped if the string is. One of the column of the table has jsonb type. last_visit), but for some reason a text type datum wants to be inserted. Input string not valid UTF-8 string. PostgreSQL Database Forums on Bytes. Sometimes this value is a string representing a timestamp. ERROR: invalid input syntax for integer: "{NULL}" 2019-02-04 10:55:25,644 21127 ERROR courses-qmo-0402 odoo. md Although it may be obvious for many developers, there are still some that are not aware of great features that PostgreSQL allows to use with ActiveRecord. The column in question is defined as a simple text field. Returns the day of the month, a number from 1 to 31. diary_2018_main_id_seq':regclass')" the user received when building 2018 timeslots on the, has been resolved. Hope a clear installation will make this bug disappear. Learn more about blocking users. He has authored 12 SQL Server database books, 24 Pluralsight courses and has written over 4900 articles on the database technology on his blog at a https://blog. An integer is a whole number that can be negative, zero or positive. In the load file most values are integers, but a few are null values labeled with the '\N' default as suggested by the copy manual. The method should try to fetch as many rows as indicated by the size parameter. Inserting multiple rows. Errors and Exceptions In Python, there are two kinds of errors: syntax errors and exceptions. This program will ask the user to input a number between 1 and 10, and then print the number. The UUID is generated using a cryptographically strong pseudo random number generator. About your application's environment Ruby version 1. There's very slight chance to get the same result twice. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The dates are in the format dd/mm/yyyy and there isn't a date in the field in question in the. I'm trying to import into postgres a csv file containing the data for a table. Python 3 - Strings - Strings are amongst the most popular types in Python. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. I don't know what you are exactly trying to achieve but if you are trying to count R and K in the string there are more elegant ways to achieve it. I also want to extend the user to add things like profile pictures and other information. 4 on Ubuntu 14. active-record hash versus array syntax Nov 18, 2016 • by Lars Vonk While migrating a ruby app using active-record from using character columns in our postgres database to uuid s I learned about a difference in using the hash syntax versus the array syntax in where clauses. When creating tables, SQLAlchemy will issue the SERIAL datatype for integer-based primary key columns, which generates a sequence and server side default corresponding to the column. Python 3 - Strings - Strings are amongst the most popular types in Python. Try the query directly in Postgres -- does it work. 14 Active Support version 2. Replying to ubernostrum:. I assure you, doing it that way will be much simpler and less redundant than essentially getting Tkinter to photo edit for you (not to mention what you're talking about is just bad practice when it comes to coding) Anyways, I guess if you really. Try the query directly in Postgres -- does it work there? If so, then your next step should be to ask on the psycopg2 mailing list that Google can find for yo. Column lon, lon are of type character varying. I also want to extend the user to add things like profile pictures and other information. In your code random_seller_info_id function field type 'many2one' but in the code sql select statement return the name of the product_supplierinfo change into ID. Psycopg2 is a DB API 2. Add pre-parsing phase that converts non-ISO syntax to supported syntax This could allow SQL written for other databases to run without modification. Step 5: Run the COPY Commands. Einige Werte sind leere characterfolgen. Since the first report, injection risks have always been on top. i actually misunderstood your requirements. Psycopg - PostgreSQL database adapter for Python Psycopg is a PostgreSQL database adapter for the Python programming language. DataError) invalid input syntax for integer: \"\"\nLINE 1: \"XGGG2\"='0', \"XPPP\"='000', \"XUUUU\"='00', \"XUUUU2\"='', \"XUUUU. I have two data frames: 1 came from a CSV file, the other came from an API call that was converted to a JSON file. Shows you how to use PostgreSQL CAST to convert from one data type into another e. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. I am new to this kind of task. Invalid Input Errors. PG COPY error: 'invalid input syntax for integer' when importing quoted CSV file without any integers 1 How to find the name of an Oracle Sequence used by a column in SQLAlchemy?. But for your reference I had modified your code. The way you're trying to pass parameters is wrong. PG COPY error: 'invalid input syntax for integer' when importing quoted CSV file without any integers 0 PostgreSQL SELECT when integer unique - invalid input syntax. 2 server, but I get errors when doing that. See also Passing parameters to SQL queries. Einige Werte sind leere characterfolgen. Switch to the new look >> You can return to the original look by selecting English in the language selector above. apply(split=0) fails at fonduer. Provide details and share your research! But avoid …. 0 compliant PostgreSQL driver that is actively developed. last_visit), but for some reason a text type datum wants to be inserted. diary_2018_main_id_seq':regclass')" the user received when building 2018 timeslots on the, has been resolved. Syntax Errors Let's start with syntax errors, (also known as parsing errors). find_by(:uid, self. 0 and it is thread safe (threads can share the connections). DataError: invalid input syntax for integer: "". If str() or unicode() is called on an instance of this class, the representation of the argument(s) to the instance are returned, or the empty string when there were no arguments. 456]) where numbers. How to start using UUID in ActiveRecord with PostgreSQL. Accessibility concerns. Next, uncheck the id column because we don't import data into this column and click the Misc. Makes Drupal less vulnerable to abuse or misuse. For psycopg2 is pyformat. I'm trying to import data from a CSV file on a PostgreSQL 9. N = int(raw_input()) s = [] for i in range(N):. If this value is greater or equal than 90100 then you may query the version of the actually loaded library using the libpq_version() function. 4, and PostgreSQL 8. My problem is that I now have to User models to manage. Column lon, lon are of type character varying. [IFMC-1059] - ActiveRecord::StatementInvalid: PG::InvalidTextRepresentation: ERROR: invalid input syntax for integer: "review" [IFMC-1129] - Prevent duplicate discovery response endpoint indexes from being created / fix one that has dupes [IFMC-1139] - Bypassing SIRTFI security contact control v3. format(x, y, color, classification)) to. 再次请教 QQ 和 weibo 的 Omniauth; 汗! 這個該死的 Active Record Custom Query 到底要怎麼搞掂它 (我只是想做多個下拉選單的查詢表單). I was wondering why, so when I looked up on this website similar titles nothing useful came up. 5 in Terminal (Mac OS X Tiger). The inverse: 0. See the documentation for how to do it correctly. Please explain and correct the code. So, what do I do? How do I stop y1 getting a syntax error?. I also want to extend the user to add things like profile pictures and other information. The query, which you have not yet shown, that provoked the "Invalid input syntax for UUID: uuid_generate_v4()" must have had the function call specified within single quotes in order for the server to think it was a literal value instead of an expression to be evaluated. x it does not understand the 'end' parameter. Invalid Input. When run under SQLAlchemy 1. Please direct these sorts of support questions to the django-users mailing list. id) That's producing invalid SQL because you're telling it to. One or more fields contains invalid characters. Try the query directly in Postgres -- does it work there? If so, then your next step should be to ask on the psycopg2 mailing list that Google can find for yo. It's from a Python book but when I copy and paste to check the output I get this using Python 2. For example, if an input is destined for a DATE column, then it must be bound to the database in a particular string format. so please help me to see if I put the right calls and arguments. 0 and it is thread safe (threads can share the connections). Some day ago I’ve installed the PDF. /occ files:scan --all? Then you loose all share information as they point to an old fileid, that is not existent anymore. But for your reference I had modified your code. Similar problems exist for "Row ID" columns or large binary items (e. diary_2018_main_id_seq':regclass')" the user received when building 2018 timeslots on the, has been resolved. Featurizer#clear To Reproduce Steps t. Inserting multiple rows. execute stored prodcudure and manage PostgreSQL transction from Python. Many2one('hr. The problem with the query parameters¶. Please ask -- with detailed information -- on the django-users mailing list. Bonjour, Ton erreur viens du fait que tes conditions (if, elif, elif, etc) sont imbriqué les unes dans les autres alors qu'elles devraient être au même niveau d'identation Plus précisement un elif et un else "répondent" à un if et doivent donc être au même niveau que lui. [IFMC-1059] - ActiveRecord::StatementInvalid: PG::InvalidTextRepresentation: ERROR: invalid input syntax for integer: "review" [IFMC-1129] - Prevent duplicate discovery response endpoint indexes from being created / fix one that has dupes [IFMC-1139] - Bypassing SIRTFI security contact control v3. Skip to Content. Just use photoshop or G. The query, which you have not yet shown, that provoked the "Invalid input syntax for UUID: uuid_generate_v4()" must have had the function call specified within single quotes in order for the server to think it was a literal value instead of an expression to be evaluated. pythonのpsycopg2ライブラリを使用して、int型とtimestamp型のカラムにnull値を入れようとすると下記エラー が発生します。. Rather than possibly doing the wrong thing, it returns an error, making the user write clearer code. This is Heroku's PostgreSQL Dump database. Notice the use of \ in line 18, \ is used to split python statements to multiple lines. y=31/16+1-(2/yx) and y=2/(4-xy) return "invalid input" presumably because of the inclusion of y in the equation. attributes FROM test WHERE CAST(test. The connection parameters can be specified either as a string:. It is not meant to be directly inherited by user-defined classes (for that, use Exception ). Designing a table with precalculated team values for fast read queries postgresql database-design query-performance postgresql-10 python. エラーメッセージなど(原文のまま):psycopg2-2. Your mixin doesn't make any sense. Column lon, lon are of type character varying. A property value contained an invalid protocol. Psycopg2 is a DB API 2. We use cookies for various purposes including analytics. comment:2 Changed 8 years ago by anonymous Resolution:. Then, browse the CSV file, choose format as CSV and click the Columns tab. The query, which you have not yet shown, that provoked the "Invalid input syntax for UUID: uuid_generate_v4()" must have had the function call specified within single quotes in order for the server to think it was a literal value instead of an expression to be evaluated. I have a Rails application which has Stations (weather stations) and Observations. This presents problems for Python since the parameters to the. pg_restore: [archiver (db)] COPY failed for table "transaction_details": ERROR: invalid input syntax for type money: "$0. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. md Although it may be obvious for many developers, there are still some that are not aware of great features that PostgreSQL allows to use with ActiveRecord. Sounds like you've perhaps set blank=True on the field and forgotten to supply a fallback value elsewhere in your code. Everything seems to have worked, except I've run into a. Let's look at the output of the previous script, if we first input a correct number and after this a string, which is raising an error: bernd@venus:~/tmp$ python finally. もしくはexcept: breakで問題が起きた瞬間に切っちゃうこともできるが問題の特定ができなくなるのであまり推奨はされてい. GitHub Gist: instantly share code, notes, and snippets. But for your reference I had modified your code. Additional invalid. During handling of the above exception, another exception occurred:. Im using the Django auth feature to create users. Column lon, lon are of type character varying. Hi Anton, It sounds to me like the problem is with your SQL rather than with psycopg2 or Python. Is it possible to put variables in my query not using string interpolation? Translating interface of TinyMCE; Dokku on DigitalOcean; Rails: should 'double' user class (with polymorphic assoc) be created in model or controller? How to upload videos from ckeditor in rails angulajs? Execute a short background task in a rails controller. This contrasts with representations for real numbers (numbers that can have a fractional part), which often have representations fo. numeric arguments in prepared statements are sent to postgres as strings. OK, I Understand. With near default configuration at the time, this resulted in the insert completing and saving all data except that int. connect(dsn or params [, connection_factory] [, async=0])¶ Create a new database session and return a new connection object. 00" restore completed, but the transaction_details table is empty. For information about invalid UTF-8 characters, see Multibyte Character Load Errors. It has more than 15 years of active development phase and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. Most binary representations of numbers (i. I still think fgets() would be a much better choice. db error: error: invalid input syntax for integer: "" when I try to save a submission via quick submit plugin and at the step 1 of submission process in my OJS 2. I tried using isnumber function in RBA to check whether a column contains only numeric data and unfortunately it throws an exception to all ouput fields as "Invalid Input" when the input is a nonnumeric data which means I cant do anything further on that data. My table column defined intcol integer; no NOT NULL constraint. But for your reference I had modified your code. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. We can create them simply by enclosing characters in quotes. ERROR: invalid input syntax for type numeric: " "SQLステート:22P02 何か数値に変換できないデータがあるようです。調べてみると、データが入っていません。ただしNULLではありません。. Thank you for providing your feedback on the effectiveness of the article. You need to live in Germany and know German. For example, if an input is destined for a DATE column, then it must be bound to the database in a particular string format. Mailing List Archive Postgres "invalid input syntax for integer" errors [ In reply to] msubs at philips. Refreshing the page, file have been saved. db error: error: invalid input syntax for integer: "" when I try to save a submission via quick submit plugin and at the step 1 of submission process in my OJS 2. I was wondering why, so when I looked up on this website similar titles nothing useful came up. The COPY command examples demonstrate loading from different file formats, using several COPY command options, and troubleshooting load errors. 0, however, the program can run in previous numpy version(1. The correct syntax would be [code]year = 20 if year == 20: print('yes') else: print('no') [/code]T. I'm using psycopg through https://github. Re: Invalid syntax for integer. InvalidTextRepresentation) invalid input syntax for integer: "bmnbnm". id) That's producing invalid SQL because you're telling it to. The app shows many weather stations on a map with the current wind speed and direction. I tried using isnumber function in RBA to check whether a column contains only numeric data and unfortunately it throws an exception to all ouput fields as "Invalid Input" when the input is a nonnumeric data which means I cant do anything further on that data. PostgreSQL version on Heroku is 9. The issue is that PostgreSQL doesn't know what is meant by '' when applied to an integer field. N = int(raw_input()) s = [] for i in range(N):. PostgreSQL Database Forums on Bytes. numeric arguments in prepared statements are sent to postgres as strings. those used for calculations) don't allow for representation of invalid values. Hide content and notifications from this user. When run under SQLAlchemy 1. One line of my csv file contains something like 1,{"a":"b"} Suppose. How would I make this out to be a NULL or is there another way I can approach this to turn my lat column into a double precision? Thanks!. To insert multiple rows in the table use executemany method of cursor object. Allow plug-in modules to emulate features from other databases Add features of Oracle-style packages. Try the query directly in Postgres -- does it work there? If so, then your next step should be to ask on the psycopg2 mailing list that Google can find for yo. PostgreSQL supports sequences, and SQLAlchemy uses these as the default means of creating new primary key values for integer-based primary key columns. 14 Action Mailer version 2. Actual behaviour Uploading a file via web interface I get a small yellow pop up on the top saying "Internal Server Error". so please help me to see if I put the right calls and arguments. format(x, y, color, classification)) to. Please direct these sorts of support questions to the django-users mailing list. See the documentation for how to do it correctly. I have generally closed without review by marking as stale any bug whose last message was older than 180 days ago. DataError(). On Ubuntu terminal I try to compile withg++ -o circleArea circleArea. attributes FROM test WHERE CAST(test. Python Forums on Bytes. 2 , numpy version is 1. 456]) where numbers. We can create them simply by enclosing characters in quotes. If you get a SyntaxError you are running the wrong version of python , probably 2. __libpq_version__¶ Integer constant reporting the version of the libpq library this psycopg2 module was compiled with (in the same format of server_version). I can confirm this. 11 with Python 3. This is Heroku's PostgreSQL Dump database. Johnston Responses Re: psycopg2. Most binary representations of numbers (i. N = int(raw_input()) s = [] for i in range(N):. blobs or RAW columns). Shows you how to use PostgreSQL CAST to convert from one data type into another e.