Error Cannot Cast Type Text To Bytea
If I am fat and unattractive, is it better to opt for a phone interview over a Skype interview? Is there a word in Esperanto for "lightsaber"? integration of fulltext search in bytea/docs how to extract data from bytea so it is be used in blob for mysql database bytea field, a c function and pgcrypto driving me encode/decode seems to handle only bytea data: http://www.postgresql.org/docs/current/interactive/functions-string.html Thanks && Ciao Alvar - -- ** Alvar C.H. http://megavoid.net/error-cannot/error-cannot-cast-type-text-to-regclass.html
This basically worked fine until I recently decided to make String-handling the better/correct way and added the following construct to my DB-layer: psycopg2.extensions.register_type(psycopg2.extensions.UNICODE) psycopg2.extensions.register_type(psycopg2.extensions.UNICODEARRAY) This basically works fine everywhere in my asked 5 years ago viewed 12832 times active 5 years ago Related 2How can I alter the type of a money-column to decimal in PostgreSQL?2How can I define the datatype of http://odem.org/aktuelles/staatsanwalt.de.html** ODEM.org-Tour: http://tour.odem.org/** Informationsgesellschaft: http://www.wsis-koordinierungskreis.de/ reply | permalink Related Discussions cast bytea to text One-off attempt at catalog hacking to turn bytea column into text Reinterpreting BYTEA as TEXT, converting BYTEA This converts the string into a byte sequence (bytea value) in the LATIN1 encoding.
Error Cannot Cast Type Text To Bytea
Isn't that more expensive than an elevated system? Ciao Alvar - -- ** Alvar C.H. From: Christoph Haller
Not the answer you're looking for? But for this special case with the text-column containing the pickled objects it makes troubles. I'm running 7.4 and I get: > ERROR: cannot cast type text to bytea > > I get similar errors when trying to go the other direction. > > On Mon, https://www.postgresql.org/message-id/[email protected] Simulate keystrokes Why can't alcohols form hydrogen-bonded dimers like carboxylic acids?
So that won't work, mainly because pickle data contains lots of backslashes, which bytea interprets specially. http://odem.org/aktuelles/staatsanwalt.de.html ** ODEM.org-Tour: http://tour.odem.org/ ** Informationsgesellschaft: http://www.wsis-koordinierungskreis.de/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/zRsgOndlH63J86wRAn4aAJ0aY9Td3YcWwkIwdALInCXaruINcgCgoDtx FQmuBKPACLfE5YAmMTdCN4g= =OivL -----END PGP SIGNATURE----- ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend Responses How to automatically run a command after exiting ssh Converting SCART to VGA/Jack A Riddle of Feelings Allow multiple GUI elements to react dynamically to interaction with a single element How http://odem.org/aktuelles/staatsanwalt.de.html** ODEM.org-Tour: http://tour.odem.org/** Informationsgesellschaft: http://www.wsis-koordinierungskreis.de/ reply Tweet Search Discussions Search All Groups PostgreSQL pgsql-general 2 responses Oldest Nested Alvar Freude Hi, - -- Alvar Freude wrote: I tryed it with DECODE:
Should spoilers and reverse thrust be deployed before nose gear touches down? this content Find the limit of the following expression: How to avoid contributors from claiming about my LGPL-released software? http://odem.org/aktuelles/staatsanwalt.de.html** ODEM.org-Tour: http://tour.odem.org/** Informationsgesellschaft: http://www.wsis-koordinierungskreis.de/ reply | permalink Alvar Freude Hi, - -- Alvar Freude wrote: the solution is: backslashes in the text column are interpreted as escapes. Date: 2005-03-15 09:09:04 Message-ID: [email protected] (view raw or whole thread) Thread: 2005-03-08 15:31:02 from "Moran(dot)Michael"
The text columns contains values from \x01 to \xff -- everything exept the null byte. Why IsAssignableFrom return false when comparing a nullable against an interface? but unfortunately I'm getting errors with the SELECT for some columns in the production-system: psycopg2.DataError: invalid input syntax for type bytea This error also happens when I try to run the weblink This worked for me with a nested functional call: encode(convert_to(concat(api_key.key,concat(':', api_key.shared_secret)),'LATIN1'),'base64') –emery Nov 15 '13 at 0:58 add a comment| Your Answer draft saved draft discarded Sign up or log
What is the bandwidth cost of running a full node? So: they must be marked escaped first. How to remove the remaining part of a word in the shell As a non root user, I'm able to delete a file made by root with 0444 permissions?
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Forum List Topic List New Topic Search Register User List Log In Powered by RForum and Captchator. Inserting a DBNull value in database How to cope with too slow Wi-Fi at hotel? What are the drawbacks of the US making tactical first use of nuclear weapons against terrorist sites? up vote 4 down vote favorite 1 I am attempting to convert a PostgreSQL table column from integer to money, but I am receiving the error: cannot cast type MyColumn to
Thanks && Ciao Alvar - -- ** Alvar C.H. Note that while select to_char(78, '999.99')::money succeeds, the following fails: alter table products alter column price type money using to_char(price, '999.99'); ERROR: column "price" cannot be cast to type money but Existing account User name or e-mail address Password Always use SSL (experimental!) NEW: Do you have a Google/GoogleMail, Yahoo or Facebook account? check over here Vertical align top in multicolumn How can I list two concurrent careers, one full time and one freelance, on a CV?
Contact information - E-Mail: webmaster (at) ruby-forum (dot) com. Wrong password - number of retries - what's a good number to allow? Freude -- http://alvar.a-blast.org/** Berufsverbot? Looking into "Other Binary String Functions" within the manual, sheds light on how to do it: ::TEXT::BYTEA Function decode(string text, type text) Return Type bytea select decode('123\\000456'::text, 'escape'); decode ------------ 123\000456
I made a test-table and though it was empty meaning the column of concern had only NULL values I got the same error when trying to change that text column to postgresql datatypes alter-table money share|improve this question edited Sep 27 '11 at 14:05 p.campbell 26026 asked Sep 27 '11 at 0:49 Gabriel 21112 What version of postgres are you However, a straightforward change_column :my_table, :my_column, :binary fails under PostgreSQL (9.x series) The error message being: PGError: ERROR: column "my_column" cannot be cast to type bytea : ALTER TABLE "my_table" ALTER http://www.postgresql.org/docs/current/static/datatype-binary.html Maybe you need some backslashes? -----Original Message----- From: pgsql-admin-owner(at)postgresql(dot)org [mailto:pgsql-admin-owner(at)postgresql(dot)org]On Behalf Of Alvar Freude Sent: Tuesday, December 02, 2003 5:07 PM To: pgsql-admin(at)postgresql(dot)org Subject: [ADMIN] Cast text to bytea -----BEGIN
Why are so many metros underground? encode/decode seems to handle only bytea data: http://www.postgresql.org/docs/current/interactive/functions-string.html And in http://www.postgresql.org/docs/current/static/datatype-binary.html I also found no solution -- perhaps I missed something? For you, the exact encoding doesn't matter, because it's all ASCII (but there is no ASCII encoding). python postgresql psycopg2 share|improve this question asked Oct 10 '13 at 15:31 powo 183110 add a comment| 1 Answer 1 active oldest votes up vote 2 down vote accepted The problem
Browse other questions tagged python postgresql psycopg2 or ask your own question. No registration required! Replacing "\" with "\\" does this: UPDATE table SET bytea_col = (decode(replace(text_col, '\\', '\\\\'), 'escape')); This seems to work and looks like there are the correct values in the new column Could intelligent life have existed on Mars while it was habitable?
How can I list two concurrent careers, one full time and one freelance, on a CV? I got it working in my test-system this way: retrieving the data: SELECT data::bytea, params FROM mytable writing the data: execute("UPDATE mytable SET data=%s", (psycopg2.Binary(cPickle.dumps(x)),) ) ... Replacing "\" with "\\" does this:UPDATE table SET bytea_col =(decode(replace(text_col, '\\', '\\\\'), 'escape'));This seems to work and looks like there are the correct values in the newcolumn ...CiaoAlvar- --** Alvar C.H. I made a test-table and though it was empty meaning the column of concern had only NULL values I got the same error when trying to change that text column to