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Error Cannot Cast Type Text To Bytea

Try this instead: SELECT convert_to(data, 'LATIN1') ... Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Why aren't Muggles extinct? What happens if anti-refelctive coating is fully ruined or removed from lens most outer surface? navigate here

Wrong password - number of retries - what's a good number to allow? Wrong password - number of retries - what's a good number to allow? 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/zZ/hOndlH63J86wRAmvoAJ4jwJp5R0nrmf8FzG9O599ED/8eCgCeOO2L RpqleJNIv5RKvorYzh5+lo4= =7mYs -----END PGP SIGNATURE----- Responses Re: Cast text to bytea at 2003-12-03 09:36:59 from Alvar Using CASE to select between two geometry functions? learn this here now

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 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, Register here. Not the answer you're looking for?

Log in with Google account | Log in with Yahoo account | Log in with Facebook account No account? Why are so many metros underground? 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 But it seems that Postgres can't cast text to bytea: odem=> UPDATE forum_gtree SET gid2=gid::bytea; ERROR: Cannot cast type text to bytea The same with casting only: odem=> SELECT 'abc'::text::bytea; ERROR:

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 Why I failed to use the \foreach command to connect the points? For you, the exact encoding doesn't matter, because it's all ASCII (but there is no ASCII encoding). Browse other questions tagged python postgresql psycopg2 or ask your own question.

No registration required! encode/decode seems to handle only bytea data: http://www.postgresql.org/docs/current/interactive/functions-string.html Thanks && Ciao Alvar - -- ** Alvar C.H. 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 Freude -- http://alvar.a-blast.org/ ** Berufsverbot?

Use bytea or text? http://grokbase.com/t/postgresql/pgsql-general/03c3kh000f/cast-text-to-bytea The text columns contains values from \x01 to \xff -- everything exept the null byte. ALTER TABLE products ALTER COLUMN price TYPE money using price::text::money Non-quoted numeric values can be converted to money by casting the numeric value to text and then money share|improve this answer Why is there a white line on Russian fighter jet's instrument panel?

This converts the string into a byte sequence (bytea value) in the LATIN1 encoding. check over here But for this special case with the text-column containing the pickled objects it makes troubles. merlin ‹ Previous Thread Next Thread › « Return to PostgreSQL - general | 1 view|%1 views Loading... Basically I'm planning to convert the column from "text" to "bytea", but the error above also prevents me from doing this conversion.

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 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 Read binary records regexp_replace puzzle Is data compressed when stored? http://oncarecrm.com/error-cannot/error-cannot-dynamic-cast-source-type-is-not-polymorphic.html Ciao Alvar - -- ** Alvar C.H.

Not the answer you're looking for? So that won't work, mainly because pickle data contains lots of backslashes, which bytea interprets specially. Freude -- http://alvar.a-blast.org/** Berufsverbot?

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Freude -- http://alvar.a-blast.org/** Berufsverbot? 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 How can I list two concurrent careers, one full time and one freelance, on a CV? Why are so many metros underground?

Skip site navigation (1) Skip section navigation (2) Search Peripheral Links Donate Contact Home About Download Documentation Community Developers Support Your account Community Contributors Mailing Lists Subscribe User lists pgsql-admin pgsql-advocacy Join them; it only takes a minute: Sign up Unable to convert PostgreSQL text column to bytea up vote 2 down vote favorite In my application I am using a postgresql Contact information - E-Mail: webmaster (at) ruby-forum (dot) com. weblink 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

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 asked 3 years ago viewed 2249 times active 3 years ago Related 19How can I speed up update/replace operations in PostgreSQL?20PostgreSQL - how to run VACUUM from code outside transaction block?1Avoiding 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)),) ) ... http://odem.org/aktuelles/staatsanwalt.de.html Alvar Freude at Dec 3, 2003 at 9:37 am ⇧ Hi,- -- Alvar Freude wrote:But it seems that Postgres can't cast text to bytea:odem=> UPDATE forum_gtree SET gid2=gid::bytea;ERROR: Cannot cast

So: they must be marked escaped first. Isn't that more expensive than an elevated system? aside: your original will of course fail even with an explicit cast if there are any rows where price>=1000: alter table products alter column price type money using to_char(price, '999.99')::money; ERROR: Please don't post emails in HTML format, thanks!

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 I managed to convert the data with replace(column, '\', '\\'), but your approach looks more elegant. –powo Oct 10 '13 at 22:01 +1. Should spoilers and reverse thrust be deployed before nose gear touches down? Does Zootopia have an intentional Breaking Bad reference?

Could intelligent life have existed on Mars while it was habitable? What are the drawbacks of the US making tactical first use of nuclear weapons against terrorist sites? Freude -- http://alvar.a-blast.org/ ** Berufsverbot? 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:

So, hmmm, it seems I'm faster writing a small piece of Perl to convert this then searching a solution ... ;) Ciao Alvar - -- ** Alvar C.H. Superposition of images more hot questions question feed lang-sql about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts share|improve this answer answered Oct 10 '13 at 20:39 Peter Eisentraut 19.6k44964 Your totally correct ... I did some further analysis in the meantime and also found out that only strings with backslashes have been affected (unfortunately I didn't have any of those in my test-data).