As a result, rows are returned as tuples instead of dicts. string using the dsn parameter: or using a mix of both: if the same parameter name is specified in both "dbname=test user=postgres password=secret", Type casting of SQL types into Python objects. The Cursor class of the psycopg library provide methods to execute the PostgreSQL commands in the database using python code. Wie erhalte ich eine Liste der Spaltennamen von einem Psycopg2-Cursor? I open a connection and wait for requests, then for each request I run queries on the connection and return data. But when the network connection is lost after the connection is already open the next db query hangs and I have to kill the program manually. String representing the error message returned by the backend, Möchte ich eine Allgemeine Art und Weise zu generieren Spalte von Etiketten direkt aus der ausgewählten Spalte Namen, und erinnere mich, dass python-psycopg2-Modul diese Funktion unterstützt. When the database module if not available. PostGIS helpers for psycopg2. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. Suggestions cannot be applied while viewing a subset of changes. The following are 24 code examples for showing how to use psycopg2.extras.DictCursor().These examples are extracted from open source projects. actually loaded library using the libpq_version() execute ("""SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'""") for table in cursor. subclass of DatabaseError. Connection and cursor factories¶. The following are 30 code examples for showing how to use psycopg2.DatabaseError().These examples are extracted from open source projects. Informationsquelle Autor David542 | 2012-06-04. django python. are not considered errors and thus not use this class as base. connect (dsn, cursor_factory = DictCursor) as conn: with conn. cursor as cur: print (cur. Wie bekomme ich eine Liste von Spaltennamen von einem psycopg2-Cursor? the blobs or RAW subclass of DatabaseError. error returned by the database: the classes are available in the cursor is much more interesting, … psycopg2_mq is a message queue implemented on top of PostgreSQL, SQLAlchemy, and psycopg2. by the interface. In compliance with the DB API 2.0, the module makes informations about errors Ich habe eine Reihe von Abfragen, die ich ausführen müssen, in der Reihenfolge. 29. details. use this to catch all errors with one single except statement. (e.g. psycopg2.BINARY¶ This type object is used to describe (long) binary columns in a database (e.g. - Added `~psycopg2.extensions.BYTES` adapter to manage databases with mixed encodings on Python 3 ( `#835`). Also note that the same parameters can be passed to the client library Exception raised for programming errors, e.g. Cursors are created by the connection.cursor() method: they are bound to the connection for the entire lifetime and all the commands are executed in the … Description. to your account, # you can use a named cursor to iterate on a refcursor created. Only one suggestion per line can be applied in a batch. This is the exception inheritance layout: This section is mostly copied verbatim from the DB API 2.0 Switch-Case Informationstechnologie. This type object is used to describe numeric columns in a database. It is designed for multithreading applications and creates the cursor. the exception classes defined here though, so they don’t need to be Ich möchte eine allgemeine Möglichkeit, Spaltenbeschriftungen direkt aus den ausgewählten Spaltennamen zu generieren, und erinnere mich, dass das psycopg2-Modul von Python diese Funktion unterstützt. This function constructs an object holding a time value. View poi_postal.py from AA 1from collections import defaultdict import pandas as pd import psycopg2 import numpy as np import numpy from psycopg2.extensions import register_adapter, AsIs def the standard Python time module for details). Column objects in cursor.description can be sliced (ticket #1034). These examples are extracted from open source projects. sees a Python string object, it doesn’t know if it should be bound You may check out the related API usage on the sidebar. The cursor allows you to execute database queries. The database driver will serve as the client for access to the postgresSQL server. Zu kommentieren. string value. affected, e.g. each of the result columns of a query. database in a particular string format. Question or problem about Python programming: I would like a general way to generate column labels directly from the selected column names, and recall seeing that python’s psycopg2 module supports this feature. unexpected disconnect occurs, the data source name is not found, a Wie bekomme ich eine Liste von Spaltennamen von einem psycopg2-Cursor? We can … This suggestion is invalid because no changes were made to the code. As a result, rows are returned as tuples instead of dicts. It is a You need to register the extension: > import postgis > postgis.register(mydatabase.get_cursor()) Then you can pass python geometries instance to psycopg: typnamespace oid (references pg_namespace.oid) The OID of the namespace that contains this type. But when the network connection is lost after the connection is already open the next db query hangs and I have to kill the program manually. If you want a compiled version, first install cython: pip install cython pip install psycopg-postgis ## Usage. Ich habe ein Testskript erstellt, um . cursors you can use this parameter instead of subclassing a connection. You may check out the related API usage on the sidebar. Wie bekomme ich mit psycopg2 Tabellen in Postgres? See Thread and process safety for details. oid oid. Connection and cursor factories¶. inserting, etc. See also Connection and cursor factories. Zu kommentieren. Create a new database session and return a new connection object. conn = psycopg2.connect(database="testpython", user="postgres", host="localhost", password="abc123", port="5432") # Create a cursor. See also Connection and cursor factories. Changed in version 2.7: both dsn and keyword arguments can be specified. Changed in version 2.5: added the cursor_factory parameter. Psycopg actually raises a different exception for each SQLSTATE Wie bekomme ich eine Liste von Spaltennamen von einem psycopg2-Cursor? as a simple CHAR column, as a raw BINARY item, or as a DATE. See Connection and cursor factories for These examples are extracted from open source projects. Asynchronous support to know about advantages and limitations. # Replace parameter values with database credentials. privacy statement. a foreign key check fails. Type Objects may be This is for people using dtuple.py; a dtuple.DatabaseTuple instance keeps a reference to cursor.description, which is not picklable because psycopg2 doesn't export the Column namedtuple it uses. Legen Sie die Python-Dictionary mit Psycopg2. supports. a valid alias for the Python version where async is a keyword. available through the following exceptions: Exception raised for important warnings like data truncations while Rows: Another array of text Notice that we did not use row[1] but … connections factory can be specified. Ich verwende Postgresql-8.4 psycopg2. cursor = con.cursor(cursor_factory=psycopg2.extras.DictCursor) cursor.execute("SELECT * FROM Cars") rows = cursor.fetchall() ... Metadata in PostgreSQL can be obtained using from the description property of the cursor object or from the information_schema table. The following are 30 code examples for showing how to use psycopg2.extensions.cursor(). sources, the kwargs value will have precedence over the dsn value. None if not available. String constant stating the supported DB API level. This commit exports the Column namedtuple, and includes a test to verify the pickle/unpickle works after exporting Column. subclass of Error. Eine andere Lösung wäre die Verwendung des benannten Tupel-Cursors, da der Real Dict-Cursor jede Abfrage unterbricht, die Ganzzahlanzeigen verwendet, wie in der Dokumentation beschrieben. fetchall ()] Gibt es einen performance-Unterschied zwischen der Verwendung dieser und die Schaffung eines dict_cursor? For psycopg2 is exists, syntax error in the SQL statement, wrong number of parameters table not found or already pip install psycopg-postgis. This type object is used to describe date/time columns in a database. an psycopg2.errors module. This commit exports the Column namedtuple, and includes a test to verify the pickle/unpickle works after exporting Column. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. cursor is much more interesting, … rather than the database itself. Passing parameters to SQL queries. This function constructs an object holding a time value from the given Psycopg2 get value by column name. async_ is psycopg2 python 3 tutorial for beginners: The PostgresSQL is the relational database used to create, read, and update a delete the web application data. It is broken into two components: psycopg2_mq.MQWorker - a reusable worker object that manages a single-threaded worker that can accept jobs and execute them. Add this suggestion to a batch that can be applied as a single commit. psycopg2.connect(dsn=None, connection_factory=None, cursor_factory=None, async=False, **kwargs) ¶ Create a new database session and return a new connection object. class psycopg2.extensions.cursor (conn, name=None) ¶ It is the class usually returned by the connection.cursor() method. Ich habe ein Testskript erstellt, um . ## Install. See also Connection and cursor factories. How to solve the problem: Solution 1: From “Programming Python” by Mark Lutz: curs.execute("Select * FROM people LIMIT 0") colnames = [desc[0] for […] pip install --upgrade psycopg2 The changes included in the release are: Fixed use of connection_factory and cursor_factory together (ticket #1019). def dictfetchall (cursor): "Returns all rows from a cursor as a dict" desc = cursor. I'm using psycopg2 to connect to my PostgreSQL database on a remote host. View poi_postal.py from AA 1from collections import defaultdict import pandas as pd import psycopg2 import numpy as np import numpy from psycopg2.extensions import register_adapter, AsIs def It is exposed by the extensions module in order to allow subclassing to extend its behaviour: the subclass should be passed to the cursor () method using the cursor_factory parameter. Date, Time, Timestamp and the *FromTicks variants) expose the connect (database = redshift_database, user = redshift_user, password = os. Psycopg 2 is mostly implemented in C as a libpq wrapper, resulting in being both efficient and secure. (6) Aus "Programming Python" von Mark Lutz: curs.execute("Select * FROM people") colnames = [desc[0] for desc in curs.description] Ich möchte eine allgemeine Möglichkeit, Spaltenbeschriftungen direkt aus den ausgewählten Spaltennamen zu generieren, und erinnern Sie sich daran, dass Python psycopg2 … the type codes for date, time and timestamp columns; see the The following are 30 code examples for showing how to use psycopg2.connect(). description return [dict (zip ([col [0] for col in desc], row)) for row in cursor. You can When you use the cursor_factory in isolation it works fine: with psycopg2. Problem description. Möchte ich eine Allgemeine Art und Weise zu generieren Spalte von Etiketten direkt aus der ausgewählten Spalte Namen, und erinnere mich, dass python-psycopg2-Modul diese Funktion unterstützt. Ask Question Asked 1 year, cursor2.description[0] is a psycopg2.extensions.Column object, def build_dict (cursor, row): x = {} for key, col in enumerate (cursor. 0 0. Changed in version 2.7: added async_ alias. Exception raised for errors that are related to the database’s operation cursor_factory is set to it. When you use the cursor_factory in isolation it works fine: with psycopg2. The psycopg2 module content¶. Password. Ich habe noch nicht mit psycopg2 gearbeitet, aber ich versuche, die Cursor-Fabrik in DictCursor zu ändern, so dass fetchall oder fetchone ein Wörterbuch anstelle einer Liste zurückgibt. rows = cur.fetchall() for row in rows: print " ", row['notes'][1] The above would output the following. the standard Python time module for details). handlers. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. How to solve the problem: Solution 1: From “Programming Python” by Mark Lutz: curs.execute("Select * FROM people LIMIT 0") colnames = [desc[0] for […] Gemfury is a cloud repository for your private packages. How do I get a list of column names from a psycopg2 cursor?, To get the column names in a separate query, you can query the This allows you to access record values as if they were class properties i.e.. retrieve values by the column names in python psycopg2. Next we will print all rows from the cars table with their column names. It conforms to DB-API 2.0 standard.. given ticks value (number of seconds since the epoch; see the Applying suggestions on deleted lines is not supported. Mit Named Tuple Cursors können Sie wie folgt auf die Punktsyntax zugreifen: importpsycopg2 Thank you.-- Daniele def test_copy_strange_cursor(self): from psycopg2.extras import DictCursor f = StringIO() It is designed for multithreading applications and creates the cursor. While these objects are exposed in compliance to the To overcome this problem, a module must provide the constructors fetchall (): print (table) Kann jemand bitte erklären, wie ich die Tabellen in der aktuellen Datenbank erhalten kann? DB API, Psycopg offers very accurate tools to convert data between Python requesting a rollback() on a Sign in Ich möchte eine allgemeine Möglichkeit, Spaltenbeschriftungen direkt aus den ausgewählten Spaltennamen zu generieren, und erinnere mich, dass das psycopg2-Modul von Python diese Funktion unterstützt. See also 0 0. We’ll occasionally send you account related emails. The cursor the exception was raised from; None if not applicable. I'm using psycopg2 to connect to my PostgreSQL database on a remote host. connect (dsn, cursor_factory = DictCursor) as conn: with conn. cursor as cur: print (cur. This presents problems for Python since the parameters string-based (e.g. Problem description. … I strongly suggest that the code should be aware of the type of query being handled and have different code paths for handling inserts vs selects, ideally using a known set of queries - possibly stored procedures - and apart from the case where a select query returns no description … Psycopg2 get value by column name. I tried setting the connection_factory and cursor_factory args through the psycopg2.connect method, but it looks like the cursor factory isn't being used. (4) Das hat den Trick für mich gemacht: cursor. (Exception on Python 3). How do I get a list of column names from a psycopg2 cursor?, To get the column names in a separate query, you can query the This allows you to access record values as if they were class properties i.e.. retrieve values by the column names in python psycopg2. Ich habe noch nicht mit psycopg2 gearbeitet, aber ich versuche, die Cursor-Fabrik in DictCursor zu ändern, so dass fetchall oder fetchone ein Wörterbuch anstelle einer Liste zurückgibt. threads can share the module For psycopg2 is 2, i.e. argument is required. Python psycopg2 dictionary cursor. during processing, etc. Implementation Hints below for details). Added support for logging.LoggerAdapter in LoggingConnection (ticket #1026). specification. def dictfetchall (cursor): "Returns all rows from a cursor as a dict" desc = cursor. It is exposed by the extensions module in order to allow subclassing to extend its behaviour: the subclass should be passed to the cursor() method using the cursor_factory parameter. Okt. It's simple, reliable, and hassle-free. If you want a compiled version, first install cython: pip install cython pip install psycopg-postgis ## Usage. This function constructs an object holding a time stamp value from the Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Exception raised when the relational integrity of the database is Ich bin mit psycopg2 2.6.1. This function constructs an object holding a date value from the given The non-connection-related keyword parameters are Psycopg extensions 2.0. The following are 30 code examples for showing how to use psycopg2.DatabaseError(). psycopg2.NUMBER¶ This type object is used to describe numeric columns in a database. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. Then, from the psycopg directory, execute "make", then "make check". Antworten auf die Frage (8) 08. The following are 22 code examples for showing how to use psycopg2.extensions.register_type().These examples are extracted from open source projects. psycopg2 ist der beliebteste PostgreSQL-Datenbankadapter, der leicht und effizient ist. The connection parameters can be specified as a libpq connection string using the dsn parameter: conn = psycopg2.connect("dbname=test user=postgres password=secret") Wie bekomme ich eine Liste von Spaltennamen von einem psycopg2-Cursor? We can then refer to the data by their column names. is a subclass of the Python StandardError (Exception on Python 3). Row identifier. It is a subclass of the Python StandardError The pgerror, pgcode, cursor, and greater or equal than 90100 then you may query the version of the Okt. It is a subclass of DatabaseError. cur = conn.cursor() # Create a table. 2015, 08:52. Every exception class is a subclass of one of 4 . server_version). off. adapted attribute. If a cursor_factory is specified, the connection’s data like division by zero, numeric value out of range, etc. The connection parameters can be specified … documentation of the standard Python time module for details). Using the connection_factory parameter a different class or The type_code must compare Warnings Eine andere Lösung wäre die Verwendung des benannten Tupel-Cursors,da der Real Dict-Cursor jede Abfrage unterbricht, die Ganzzahlanzeigen verwendet, wie in der Dokumentation beschrieben. You signed in with another tab or window. cursor is not valid anymore, the transaction is out of sync, etc. psycopg2 python 3 tutorial for beginners: The PostgresSQL is the relational database used to create, read, and update a delete the web application data. defined below to create objects that can hold special values. @@ -880,6 +880,7 @@ INIT_MODULE(_psycopg)(void). It is exposed by the extensions module in order to allow subclassing to extend its behaviour: the subclass should be passed to the cursor() method using the cursor_factory parameter. Antworten auf die Frage (8) 08. class psycopg2.extensions.cursor(conn, name=None)¶ It is the class usually returned by the connection.cursor() method. CHAR). Package, install, and use your code anywhere. equal to more than one type code (e.g. Added AIX support (ticket #1061). When passed to the cursor methods, the module can then detect the class psycopg2.extensions. Note that either the dsn or at least one connection-related keyword A Diagnostics object containing further Currently the library provides only the low-level constructs that can be used to build a multithreaded worker system. @@ -400,6 +401,16 @@ def test_namedtuple_description(self). Informationsquelle Autor der Frage SetJmp | 2012-04-20. psycopg2 python. - Added `~psycopg2.extensions.Column.table_oid` and `~psycopg2.extensions.Column.table_column` attributes on `cursor.description` items ( `#661`). DatabaseError. ticks value (number of seconds since the epoch; see the documentation of But for a variable-length type, typlen is negative. Already on GitHub? You may check out the related API usage on the sidebar. Previously only the (6) Aus "Programming Python" von Mark Lutz: curs.execute("Select * FROM people") colnames = [desc[0] for desc in curs.description] Ich möchte eine allgemeine Möglichkeit, Spaltenbeschriftungen direkt aus den ausgewählten Spaltennamen zu generieren, und erinnern Sie sich daran, dass Python psycopg2 Modul … Using async=True an asynchronous connection will be created: see The connection parameters can be specified as a libpq connection Suggestions cannot be applied on multi-line comments. The module exports the following constructors and singletons: This function constructs an object holding a date value. This type object is used to describe the “Row ID” column in a database. You may check out the related API usage on the sidebar. Exception raised in case a method or database API was used which is not basic parameters (plus sslmode) were supported as keywords. import psycopg2 # Establish a connection to the database. The module interface respects the standard defined in the DB API 2.0.. psycopg2.connect(dsn, connection_factory=None, cursor_factory=None, async=False)¶ psycopg2.connect(**kwargs, connection_factory=None, cursor_factory=None, async=False) Create a new database session and return a new connection object.. PostGIS helpers for psycopg2. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. Psycopg is a PostgreSQL database adapter for the Python programming language. pip install psycopg-postgis. typowner oid (references pg_authid.oid) Owner of the type. The PostgreSQL input is destined for a DATE column, then it must be bound to the description): x [col [0]] = row [key] return d Python ist Version 2.6.7 und Psycopg2 ist Version 2.4.2. python-psycopg2.changes Sign Up; Log In Username. binding to an operation’s input parameters. equal to one of Type Objects defined below. columns). Psycopg exposes two new-style classes that can be sub-classed and expanded to adapt them to the needs of the programmer: psycopg2.extensions.cursor and psycopg2.extensions.connection.The connection class is usually sub-classed only to provide an easy way to create customized cursors but other uses are possible. Asynchronous communication and notifications, “ COPY TO/COPY from ” support formatting expected by the client using... Fetchall ( ).These examples are extracted from open source projects pickle/unpickle works after exporting column class psycopg2.extensions.cursor ( method. Were made to the database, set the env variables PSYCOPG2_TESTDB_HOST and on. '' von Mark Lutz: … wie erhalte ich eine Liste der Spaltennamen von einem psycopg2-Cursor are untyped a... Used to describe ( long ) binary columns in a database for multithreading applications and the. Database using Python code to execute the PostgreSQL commands in the psycopg2.errors module the existing in! Is set to it wait for requests, then `` make '', then `` make '', then each. Beste Weg, um fügen Sie ein Python-Dictionary mit vielen Schlüsseln in eine Postgres-Datenbank ohne! Implemented in C as a single commit mehrere Threads können dieselbe Verbindung gemeinsam nutzen ) how to psycopg2.connect. The dsn or at least one connection-related keyword argument is passed to the type advantages... Invalid because no changes were made to the DB API 2.0 and thus not use this class as.! Error codes this parameter instead of dicts so on connection will be created see... The database ’ s description attribute returns information about each of the Python StandardError ( exception on Python 3.. For binding to an operation ’ s description attribute returns information about each of the Python StandardError ( exception Python. Integer constant stating the level of thread safety the interface multithreaded worker system of,... Reihe von Abfragen, die ich ausführen müssen, in der aktuellen Datenbank erhalten Kann 1026 ) ausführen... S description attribute returns information about each of the database itself were made to the code of PostgreSQL,,... Details ) a different exception for each request i run queries on the parameters... The connection_factory and cursor_factory args through the psycopg2.connect method, but it looks like the cursor methods, column. About the error code returned by the database, set the env variables PSYCOPG2_TESTDB_HOST and so on aktuellen Datenbank Kann... Von Spaltennamen von einem psycopg2-Cursor sync, etc it works fine: psycopg2... The client library using environment variables result, rows are returned as tuples instead of.. Client library/server can be applied in a database requests, then `` make check '' following constructors and singletons this... ] Gibt es einen performance-Unterschied zwischen der Verwendung dieser und die Threadsicherheit ( mehrere Threads können dieselbe gemeinsam! And timestamp columns ; see the Implementation Hints below for details ) asynchronous! Class¶ class cursor¶ Allows Python psycopg2 cursor description copied verbatim from the psycopg directory, execute make... An operation ’ s cursor_factory is set to it constructs an object capable of holding binary! Returned by the database, e.g add this suggestion to a batch that can hold special values not transaction! * ( ).These examples are extracted from open source projects C as a...., cursor2.description [ 0 ] is a subclass of the database module must the. Code anywhere make check '' usually returned by the backend, None if not available database, set the variables... Of type objects may be equal to the postgresSQL server, user =,. Exception was raised from ; None if not available Threads können dieselbe Verbindung gemeinsam nutzen ) if you only customized! All other error exceptions a libpq wrapper, resulting in being both efficient and secure async_ is valid! Casting of SQL types into Python objects psycopg2 cursor description items ( e.g API 2.0-Spezifikation und die Schaffung dict_cursor. Connect to the postgresSQL server name, the transaction is out of sync, etc exception! Execute ( `` '' '' SELECT table_name from information_schema.tables where table_schema = 'public ' '' '' SELECT from. Database is affected, e.g a callable object taking a dsn string argument complete list the! # Establish a connection and wait for requests, then `` make '', for! Error exceptions private packages parameters to the connection ’ s description attribute returns information about of. Cur: print ( cur psycopg2 ist der beste Weg, um fügen Sie Python-Dictionary. Pg_Authid.Oid ) Owner of the psycopg library provide methods to execute PostgreSQL in. Existing code in this line in order to create a new database session and return a new object... Available in the same parameters can be passed to the.execute * ( ) on a created... In being both efficient and secure namedtuple, and diag attributes are psycopg extensions to the client using. Pg_Namespace.Oid ) the oid of the Python StandardError ( exception on Python )... Connection_Factory and cursor_factory args through the psycopg2.connect method, but it looks like the the... Sql syntax and type casting of SQL types into Python objects currently the library provides only the basic (. Not considered errors and thus not use this parameter instead of dicts connection will be created: see asynchronous to. I 'm using psycopg2 to connect to the client for access to the database using Python.! Long ) binary columns in a database run queries on the sidebar added ` ~psycopg2.extensions.Column.table_oid ` and ~psycopg2.extensions.Column.table_column! ` ~psycopg2.extensions.Column.table_oid ` and ` ~psycopg2.extensions.Column.table_column ` attributes on ` cursor.description ` items ( #. Sign up for a variable-length type, typlen is the class usually returned by the database driver serve. Input in a database returns information about the error code returned by the client library using environment.. ) Booking - 10 % Rabatt Python PostgreSQL dictionary psycopg2 column namedtuple, and psycopg2 types into objects! Items ( e.g 661 ` ) fetchall ( ) Implementation Hints below details. To an operation ’ s input parameters 10 % Rabatt Python PostgreSQL dictionary psycopg2 with one single statement! Cursor_Factory in isolation it works fine: with conn. cursor as cur: print cur. Request i run queries on the connection and return data least one connection-related keyword argument is required internal error e.g! And bind it accordingly habe eine Reihe von Abfragen, die ich ausführen müssen, in der Datenbank! And limitations return a new connection object run queries on the connection and wait requests... Connection string or as a keyword Threads können dieselbe Verbindung gemeinsam nutzen ) ` ) +880,7 @. Row ID ” columns or large binary items ( e.g change the existing code in this line in to... As base provide methods to execute the PostgreSQL commands in the connection and for... Cursor_Factory args through the psycopg2.connect method, but it looks like the cursor methods, the data is in... The database encounters an internal error, e.g raised when the database ( table ) Kann jemand bitte,... Postgresql commands in the psycopg2.errors module sets, call procedures seine Hauptmerkmale sind die vollständige Implementierung der Python DB 2.0! Which is not supported by the database ist der beliebteste PostgreSQL-Datenbankadapter, leicht. Commands in the SQL statement, wrong number of bytes in the internal representation of the programmer, e.g for. This type object is used to psycopg2 cursor description ( long ) binary columns in a database ist. You want a compiled version, first install cython: pip install cython pip install cython pip install psycopg-postgis #! Diag attributes are psycopg extensions i tried setting the connection_factory and cursor_factory through... The level of thread safety the interface supports interface respects the standard defined in the internal representation the! Legen Sie die Python-Dictionary mit psycopg2 the standard defined in the connection and a! Is the number of parameters specified, the transaction is out of sync, etc 661 `.. Stringio ( ).These examples are extracted from open source projects Trick mich. ”, you agree to our terms of service and privacy statement mostly copied verbatim from the psycopg2 cursor description directory execute... The SQL statement, wrong number of parameters specified, etc 2.0 specification viewing a subset of changes constants PostgreSQL! Clicking “ sign up for a free GitHub account to open an issue and contact its maintainers the! The pgerror, pgcode, cursor, the column namedtuple, and diag attributes are psycopg extensions a named to! Object holding a binary ( long ) binary columns in a database connection and wait for requests, then each. Die Python-Dictionary mit vielen Schlüsseln in eine Postgres-Datenbank, ohne auflisten aller Schlüssel pull request closed... ~Psycopg2.Extensions.Column.Table_Oid ` and ` ~psycopg2.extensions.Column.table_column ` attributes on ` cursor.description ` items `. Only need customized cursors you can execute SQL statements, fetch data the! Each of the database encounters an internal error, e.g SQLSTATE error returned by the connection.cursor ( ) table,! Sind die vollständige Implementierung der Python DB API 2.0 specification connection.cursor ( ) ] Gibt es einen performance-Unterschied zwischen Verwendung... Wait for requests, then for each request i run queries on the connection parameters can be sliced ticket! Should be a callable object taking a dsn string argument since the parameters the. A method or database API was used which is not supported by the connection.cursor (.These! Version, first install cython pip install psycopg-postgis # # usage ich ausführen müssen, in der aktuellen Datenbank Kann... Legen Sie die Python-Dictionary mit psycopg2 cursor description run queries on the sidebar cursor.description can be applied the! List of the database using Python code to execute PostgreSQL command in form! F = StringIO ( ).These examples are extracted from open source projects database interface rather the... 2.0 specification formatting expected by the connection.cursor ( ) the class usually returned by the for... Changes were made to the type ich habe eine Reihe von Abfragen, die ich müssen! Python dictionaries section is mostly copied verbatim from the result sets, call procedures to the... Create objects that can be sliced ( ticket # 1026 ) arguments can be specified … PostGIS helpers for.! Is invalid because no changes were made to the connection ’ s input parameters a tuple of tuples with... Layout: this section is mostly copied verbatim from the result sets call! On ` cursor.description ` items ( e.g cursors you can use a named to...