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Escaping keyword-like column names in Postgres
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Not able to create the specific column in Postgres
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Postgresql: literal table names
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Closed 1 year ago.
I have a Postgres db. The tables are each in separate namespaces, which are named using two character state codes. The problem is this: for the state Indiana, the state code is "in". I am trying to execute this query:
SELECT city_name
FROM in.places
But I keep getting an error complaining about the 'in', presumably because there is a reserved keyword IN. How can I query the tables inside the 'in' namespace?
Related
This question already has answers here:
When do Postgres column or table names need quotes and when don't they?
(2 answers)
Are PostgreSQL column names case-sensitive?
(5 answers)
Closed 3 months ago.
A SQL coding challenge provided a database; every table was accessible when passed as a string using double quotes and not when passed as a word as I am normally used to.
This did not work:
SELECT * FROM Athletes;
Error message: relation does not exist.
But this worked and I don't understand why:
SELECT * FROM "Athletes";
Was this defined during the database creation? Or is this from PostgreSQL?
This question already has answers here:
How to deal with SQL column names that look like SQL keywords?
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Syntax error due to using a reserved word as a table or column name in MySQL
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Are quotes around tables and columns in a MySQL query really necessary?
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Closed 2 years ago.
I am currently working with Joomla. I want to insert a new row into #__content_types table, but there is a column named table that is currently giving me errors.
How do I insert the data despite the name of the column 'table'?
INSERT INTO #__content_types(type_id, type_title, type_alias, table, field_mappings)
VALUES
('14','SVG Image','com_view_vv.form','{"special":{"dbtable":"#__table","key":"id","type": "Corecontent","prefix":"JTable","config":"array()"},"common":{"dbtable": "#__ucm_content","key":"ucm_id","type":"Corecontent","prefix":"JTable","config":"array()"}}', '{"common": {"core_content_item_id":"id","core_title":"name","core_alais": "alias"},"special":{"imptotal":"imptotal","impmade":"impmade","clicks": "clicks","clickurl": "clickurl","custombannercode":"custombannercode","cid":"cid","purchase_type": "purchase_type","track_impressions":"track_impressions","track_clicks":"track_clicks"}}');
This question already has answers here:
postgres column "X" does not exist
(1 answer)
Postgres error updating column data
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PostgreSQL "column "foo" does not exist" where foo is the value
(1 answer)
Closed 2 years ago.
I am trying to store the data in table by using insert query (I am using PostreSQL), but there is it.
ERROR: column "Fleet" does not exist
LINE 1: insert into appuser values("Fleet")
Postresql require column name in values section, but what is that? Why? (There is only test, my 'appuser' table has 2 columns, one of it is primary key auto-generated, so do not get confuse)
Your table has two columns and you are providing a value for only one, so you need to tell the database which one it is. Also, literal strings must be surrounded with single quotes (double quotes stand for column identifiers).
Assuming that the target column is mycol, that would be:
insert into appuser (mycol) values('Fleet')
This question already has answers here:
Simple Postgresql Statement - column name does not exists
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cannot get simple PostgreSQL insert to work
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PostgreSQL error: Column "MANAGER" does not exist [duplicate]
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What is the difference between single quotes and double quotes in PostgreSQL?
(3 answers)
Closed 3 years ago.
My simple WHERE query is not working. It says column "Exception" does not exist, but the column it type, that is only a value.
SQL Query:
select * from logs
where type = "Exception"
As S-Man commented the answer is:
" characters are for column names. You have to use ' characters.
Try this one:
SELECT *
FROM
logs
WHERE
type = 'Exception'
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sql statement error: "column .. does not exist"
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PostgreSQL "Column does not exist" but it actually does
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ERROR: column of relation does not exist PostgreSQL ,Unable to run insert query
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Postgresql Column Not Found, But Shows in Describe
(1 answer)
Closed 4 years ago.
I'm running a simple select query:
SELECT return_part_i.CntrctTrmntnInd FROM return_part_i LIMIT 10;
And getting the following error:
ERROR: column return_part_i.cntrcttrmntnind does not exist LINE 1:
SELECT return_part_i.CntrctTrmntnInd FROM return_part_i LIMI...
^ HINT: Perhaps you meant to reference the column "return_part_i.CntrctTrmntnInd". SQL state: 42703 Character: 8
I have tried the query with and without the table identifier. I am copying the field name directly from the hint. This is happening with numerous fields in the database.
if you really have a camel case in you column name then you must wrap the column name with double quote
SELECT "CntrctTrmntnInd" FROM return_part_i LIMIT 10;
PostgreSQL columns (object) name are case sensitive when specified with double quotes. Unquoted identifiers are automatically used as lowercase so the correct case sequence must be write with double quotes
and as correctly suggested by Raymond Nijland if you want a LIMIT in result you should use an order by
SELECT "CntrctTrmntnInd" FROM return_part_i ORDER BY "CntrctTrmntnInd" LIMIT 10;