I'm trying to unload a table to S3, whenever I'm trying I would get below message.
FATAL: A fatal error occurred. The database will be restarted.
SSL SYSCALL error: EOF detected
The connection to the server was lost. Attempting reset: Failed.
query= UNLOAD (' select * from public.table ') to 's3://bucket/path/in/s3/' credentials 'aws_access_key_id=####;aws_secret_access_key=####' delimiter '\t' GZIP PARALLEL ON ALLOWOVERWRITE NULL AS 'M15sInGValue57ring' ESCAPE ADDQUOTES;
NULL AS string cannot be longer than 18 characters.
UNLOAD (' select * from public.table ') to 's3://bucket/path/in/s3/' credentials 'aws_access_key_id=####;aws_secret_access_key=####' delimiter '\t' GZIP PARALLEL ON ALLOWOVERWRITE NULL AS 'M15sInG57ring' ESCAPE ADDQUOTES;
It works !!!
Reason Why it Failed?
Whenever null encounters while unloading, it would replace with NULL
AS string.
There it expects it to be lesser than 18 characters.
Otherwise while converting, it would fail.
So that DB restart occurs.
Related
I have a CSV file -- > named -- myWidechar1.csv and the data in it is as follows:
1~"ϴAnthony"~"Grosse"~"1980-02-23"~"65000.00"
2~"❤Alica"~"Fatnowna"~"1963-11-14"~"45000.00"
3~"☎Stella"~"Rossenhain"~"1992-03-02"~"120000.00"
Copy Command in PostgreSQL is as follows:
Copy dbo.myWidechar From 'D:\temp\myWidechar1.csv' DELIMITER '~' null as 'null' encoding 'windows-1251' CSV; select 1;
But problem is I am getting the below error while importing data into PostgreSQL:
ERROR: invalid byte sequence for encoding "WIN1251": 0x00 CONTEXT:
COPY mywidechar, line 3 SQL state: 22021
I need the data to remain same even in PostgreSQL as I am migrating data from SQL Server 2000 instance.
Can some one please help me in resolving this issue ?
I use a docker image (docker pull ubuntu), I installed postgresql via apt-get and then want to run the following script:
LOAD CSV
FROM 'geneset.csv' (a,b,c,d,e,f,g)
INTO postgresql:///genedb?csv (a,b,c,d,e,f,g)
WITH truncate,
skip header = 1,
fields optionally enclosed by '"',
fields escaped by backslash-quote,
fields terminated by '\t'
SET client_encoding to 'latin1',
work_mem to '80MB',
standard_conforming_strings to 'on'
BEFORE LOAD DO
$$ drop table if exists csv; $$,
$$ create table csv (
a bigint,
b text,
c text,
d text,
e text,
f text,
g text
);
$$;
For executing the script I type into the shell: pgloader csv.load to execute the code above.
Unfortunately, I always get the warning:
WARNING:
Couldn't re-execute SBCL with proper personality flags (/proc isn't mounted? setuid?)
Trying to continue anyway.
An unhandled error condition has been signalled:
Failed to connect to pgsql at :UNIX (port 5432): The value of CL-POSTGRES::USER is NIL, which is not of type STRING.
;
; compilation unit aborted
; caught 1 fatal ERROR condition
I have already installed apt-get -y install sbcl gcl but the error does not disappear. Any suggestions to solve that problem? I ve found out that this problem occurs very often on docker images...
Edit:
Can I basically setup a ubuntu 16.04 docker image and install postresql and pdgloader via apt-get? Is my approach ok? I only want to run the database queries locally in the image...
I have a table to export data from SQL Server to PostgreSQL.
Steps I followed:
Step 1: Export data from SQL Server:
Source: SQL Server Table
Destination: Flat file Destination
Table Or Query to copy: Query
Query:
SELECT
COALESCE(convert(varchar(max),id),'NULL') + '|'
+COALESCE(convert(varchar(max),Name),'NULL') + '|'
COALESCE(convert(varchar(max),EDate,121),'NULL') AS A
FROM tbl_Employee;
File Name: file.txt
Step 2: Copy to PostgreSQL.
Command:
\COPY tbl_employee FROM '$FilePath\file.txt' DELIMITER '|' NULL AS 'NULL' ENCODING 'LATIN1'
Getting Following error message:
ERROR: invalid byte sequence for encoding "UTF8": 0xc1 0x20
You tell Postgres the source would be encoded as LATIN1:
\copy ... ENCODING 'LATIN1'
But that's either not the case or the file is damaged. Else we would not see the error message. What is the true encoding of '$FilePath\file.txt'?
The current client_encoding is not relevant for this since, quoting the manual on COPY:
ENCODING
Specifies that the file is encoded in the encoding_name. If this option is omitted, the current client encoding is used.
(\copy is jut a wrapper for SQL COPY in psql.)
And your server_encoding is largely irrelevant, too - as long as Postgres can use a built-in conversion and the target encoding contains all characters of the source encoding - which is the case for LATIN1 -> UTF8: iso_8859_1_to_utf8.
So the remaining source of error is your file, which is almost certainly not valid LATIN1.
Below is my shell script, I am trying to insert columns in posrgresql using shell script.
But getting below error.
Script:
i='dcm_account494401_click_2017050511_20170505_093843_556195422.csv.gz'
load_date='2017-05-12'
load_status='Fail'
message="INFO: Load into table 'stg_ft_raw_activity' completed, 362554 record(s) loaded successfully.
INFO: Load into table 'stg_ft_raw_activity' completed, 1 record(s) were loaded with replacements made for ACCEPTINVCHARS. Check 'stl_replacements' system table for details.
"
psql "host=$HOST port=$DBPORT dbname=$DBNAME user=$DBUSER password=$DBPASS" -F --no-align <<EOF
truncate table stg.notification_table;
\set fname $i
\set load_date $load_date
\set load_status $load_status
\set message $message
insert into stg.notification_table values (:'fname', :'load_date', :'load_status',:"message");
EOF
error:
Expanded display is used automatically.
TRUNCATE TABLE and COMMIT TRANSACTION
ERROR: syntax error at or near "INFO"
LINE 1: INFO: Load into table 'stg_ft_raw_activity' completed, 1 re...
^
message col is string value and also contains spl chars. is that a reason?
Please help to resolve.
Thansk,
There is no need to use these variables with \set.
Here is an example:
message="INFO: Load into table 'stg_ft_raw_activity' completed, 362554 record(s) loaded successfully.
INFO: Load into table 'stg_ft_raw_activity' completed, 1 record(s) were loaded with replacements made for ACCEPTINVCHARS. Check 'stl_replacements' system table for details.
"
psql <<EOF
INSERT INTO message_table VALUES (\$\$$message\$\$);
EOF
This makes use of “dollar quoting” for string literals, with the $ signs that are no shell variable reference escaped with backslashes.
I have a CSV file from which I am trying to use Postgres COPY command in order to populate a table from that CSV file. One of the table columns NEXT_VISIT is of a date data_type. Some of the corresponding fields in the CSV file which are supposed to go into this date column have null values.
The Copy command am running is like so:
COPY "VISIT_STAGING_TABLE" from E'C:\\Users\\Sir Codealot\\Desktop\\rufijihdss-2007-2010\\rufijihdss\\VISIT_TEST.CSV' CSV HEADER
When I run this command I get the error:
ERROR: invalid input syntax for type date: ""
CONTEXT: COPY VISIT_STAGING_TABLE, line 2, column NEXT_VISIT: ""
********** Error **********
ERROR: invalid input syntax for type date: ""
SQL state: 22007
Context: COPY VISIT_STAGING_TABLE, line 2, column NEXT_VISIT: ""
How can I run the copy command and get Postgres to accept that some of the fields in the CSV file corresponding to NEXT_VISIT have values ""?
Add WITH NULL AS '' to your command (COPY expects NULLs to be represented as "\N" (backslash-N) by default).
COPY "VISIT_STAGING_TABLE" from E'C:\\Users\\Sir Codealot\\Desktop\\rufijihdss-2007-2010\\rufijihdss\\VISIT_TEST.CSV' WITH CSV HEADER NULL AS ''
More details here: postgresql COPY
I was having the exact same problem, and what solved it for me was to use the statement WITH NULL ''. It is important not to have a space between the apostrophes.
I originally used the statement WITH NULL ' ' and got the same error message you did (ERROR: syntax error at or near "WITH NULL").
But when I eliminated the space between the apostrophes it worked.