invalid byte sequence for encoding UTF8

Question

I m trying to import some data into my database  So I ve created a temporary table   create temporary table tmp pc varchar 10   lat decimal 18 12   lon decimal 18 12   city varchar 100   prov varchar 2      And now I m trying to import the data    copy tmp from   home mark Desktop Canada csv  delimiter     csv   But then I get the error   ERROR   invalid byte sequence for encoding  UTF8   0xc92c   How do I fix that  Do I need to change the encoding of my entire database  if so  how   or can I change just the encoding of my tmp table  Or should I attempt to change the encoding of the file

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It depends on what type of machine encoding generated your import file   If you re getting it from an English or Western European version of Windows  your best bet is probably setting it to  WIN1252    If you are getting it from a different source  consult the list of character encodings here   http   www postgresql org docs 8 3 static multibyte html  If you re getting it from a Mac  you may have to run it through the  iconv  utility first to convert it from MacRoman to UTF-8

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psql   copy tmp from   path to file csv  with delimiter     csv header encoding  windows-1251     Adding encoding option worked in my case

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This error may occur if input data contain escape character itself  By default escape character is     symbol  so if your input text contain     character - try to change the default value using ESCAPE option

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You can replace the backslash character with  for example a pipe character  with sed   sed -i --  s      g  filename txt

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If your CSV is going to be exported from SQL Server  it is huge  and it has Unicode characters  you can export it by setting the encoding as UTF-8   Right-Click DB  gt  Tasks  gt  Export  gt   SQL Server Native Client 11 0   gt  gt   Flat File Destination  gt  File name       gt  Code page  UTF-8  gt  gt       In the next page it asks whether you want to copy data from a table or you want to write a query  If you have char or varchar data types in your table  select the query option and cast those columns as nvarchar max   E g if myTable has two columns where the first one is varchar and second one int  I cast the first one to nvarchar   select cast  col1 as nvarchar max   col1          col2 from myTable

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I got the same error when I was trying to copy a csv generated by Excel to a Postgres table  all on a Mac   This is how I resolved it   1  Open the File in Atom  the IDE that I use   2  Make an insignificant change in the file  Save the file  Undo the change  Save again   Presto  Copy command worked now     I think Atom saved it in a format which worked

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For python  you need to use  Class pg8000 types Bytea  str        Bytea is a str-derived class that is mapped to a PostgreSQL byte array   or  Pg8000 Binary  value       Construct an object holding binary data

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I ran into this problem under Windows while working exclusively with psql  no graphical tools   To fix this problem  permanently change the default encoding of psql  client  to match the default encoding of the PostgreSQL server  Run the following command in CMD or Powershell   setx PGCLIENTENCODING UTF8   Close and reopen you command prompt Powershell for the change to take effect   Change the encoding of the backup file from Unicode to UTF8 by opening it with Notepad and going to File -  Save As  Change the Encoding dropdown from Unicode to UTF8   Also change the Save as type from Text Documents   txt  to All Files in order to avoid adding the  txt extension to your backup file s name   You should now be able to restore your backup

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Well I was facing the same problem  And what solved my problem is this   In excel click on Save as  From save as type  choose  csv Click on Tools  Then choose web options from drop down list  Under Encoding tab  save the document as Unicode UTF-8   Click OK  Save the file  DONE

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some of lolutions may be very sambles i there any spaces in the name of comlun will be cause this problem review every columns name for exaple  quot colum name  quot   gt  gt rong  quot colum nam quot     gt  gt right

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I had the same problem  and found a nice solution here  http   blog e-shell org 134     This is caused by a mismatch in your database encodings  surely because the database from where you got the SQL dump was encoded as SQL ASCII while the new one is encoded as UTF8     Recode is a small tool from the GNU project that let you change on-the-fly the encoding of a given file    So I just recoded the dumpfile before playing it back   postgres gt  gunzip -c  var backups pgall b1 zip   recode iso-8859-1  u8   psql test   In Debian or Ubuntu systems  recode can be installed via package

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If you need to store UTF8 data in your database  you need a database that accepts UTF8  You can check the encoding of your database in pgAdmin  Just right-click the database  and select  Properties    But that error seems to be telling you there s some invalid UTF8 data in your source file  That means that the copy utility has detected or guessed that you re feeding it a UTF8 file   If you re running under some variant of Unix  you can check the encoding  more or less  with the file utility     file yourfilename yourfilename  UTF-8 Unicode English text    I think that will work on Macs in the terminal  too   Not sure how to do that under Windows   If you use that same utility on a file that came from Windows systems  that is  a file that s not encoded in UTF8   it will probably show something like this     file yourfilename yourfilename  ASCII text  with CRLF line terminators   If things stay weird  you might try to convert your input data to a known encoding  to change your client s encoding  or both   We re really stretching the limits of my knowledge about encodings    You can use the iconv utility to change encoding of the input data   iconv -f original charset -t utf-8 originalfile  gt  newfile   You can change psql  the client  encoding following the instructions on Character Set Support  On that page  search for the phrase  To enable automatic character set conversion

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Apparently I can just set the encoding on the fly    set client encoding to  latin1    And then re-run the query  Not sure what encoding I should be using though     latin1 made the characters legible  but most of the accented characters were in upper-case where they shouldn t have been  I assumed this was due to a bad encoding  but I think its actually the data that was just bad  I ended up keeping the latin1 encoding  but pre-processing the data and fixed the casing issues

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copy tablename from  filepath filename  DELIMITERS     ENCODING  WIN1252     you can try this to handle UTF8 encoding

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It is also very possible with this error that the field is encrypted in place  Be sure you are looking at the right table  in some cases administrators will create an unencrypted view that you can use instead  I recently encountered a very similar issue

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Short Example to Solve this Problem in PHP-   val    E  377    iconv mb detect encoding  val  mb detect order    true    UTF-8    val     Error Detail  As POSTGRES database do not handle other than UTF-8 Characters when we try to pass above given inputs to a column its give error of  invalid byte sequence for encoding  quot UTF8 quot   0xab     So just convert that value into UTF-8 before insertion in POSTGRES Database

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follow the below steps to solve this issue in pgadmin    SET client encoding    ISO 8859 5   COPY  tablename column names   FROM  D  DB BAK csvfilename csv  WITH DELIMITER     CSV

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This error means that records encoding in the file is different with respect to the connection  In this case iconv may return the error  sometimes even despite   IGNORE flag    iconv -f ASCII -t utf-8  IGNORE  lt  b txt    a txt  iconv  illegal input sequence at position  some number    The trick is to find incorrect characters and replace it  To do it on Linux use  vim  editor    vim  your text file   press  ESC   button and type   goto  number returned by iconv    To find non ASCII characters you may use the following command   grep --color  auto  -P    x80- xFF     If you remove incorrect characters please check if you really need to convert your file  probably the problem is already solved

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Alternative cause on Windows with pgadmin v4 4  Column names with non-ASCII characters will somehow mess up the psql import command  and give you this unintuitive error message  Your UTF8 csv data is probably fine  Solution  Rename your fields  Example   quot R  sultat quot  - gt  resultat

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I had the same problem  my file was not encoded as UTF-8  I have solved it by opening the file with notepad   and changing the encoding of the file   Go to  Encoding  and select  Convert to UTF-8    Save changes and that s all

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Open file CSV by Notepad     Choose menu Encoding   Encoding in UTF-8  then fix few cell manuallly    Then try import again

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If you are ok with discarding nonconvertible characters  you can use -c flag  iconv -c -t utf8 filename csv  gt  filename utf8 csv   and then copy them to your table

[postgresql] invalid byte sequence for encoding "UTF8"

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