Basically i'm trying to do a simple join. I'm a beginner in progress and even if i'm reading always the same things... my problem still unresolved ! :'(
I'm using unixodbc to communicate with my base and this is working like a charm when i'm using simple command like : SELECT * from PUB."Art"
I understood I have to do something who looks like that to join 2 tables :
FOR EACH PUB."Art" WHERE (PUB."Art".IdArt = 16969) ,
EACH PUB."ArtDet" WHERE (PUB."ArtDet".IdArt = PUB."Art".IdArt)
END
But this only return me [ISQL]ERROR: Could not SQLPrepare
I then try to simplify the thing with :
for each PUB."Art": display PUB."Art".IdArt end.
I try to put colon (or not) after the for each loop, using point / comma etc... but I never use the right syntax apparently... or I'm missing a thing to execute this command !
Is anyone can advice me ?
Thx a lot !
You appear to mixing SQL and 4GL syntax.
"FOR EACH" is 4GL. The SQL equivalent is "SELECT".
(If you are using 4GL you do not need then "PUB" prefix and quoting table and field names will not work.)
To do a join with SQL (or the 4GL) use a "," between the table names. For SQL your syntax would look something like:
SELECT * from PUB."Art", PUB."ArtDet"
Gory details regarding WHERE clauses, SQL INNER & OUTER joins etc. can be found in the online documentation:
https://community.progress.com/community_groups/openedge_general/w/openedgegeneral/1329.openedge-product-documentation-overview
You will want to navigate to your specific release and then find the "SQL" guide.
Related
How can I change the to_tsvector configuration to use a simple tokenization rule like:
lowercase
split by spaces only
Executing the following query:
SELECT to_tsvector('english', 'birthday=19770531 Name=John-Oliver Age=44 Code=AAA-345')
I get these lexemes:
'-345':9 '19770531':2 '44':6 'aaa':8 'age':5 'birthday':1 'code':7 'john':4 'name':3
The kind of searching I'm looking for is like:
(!birthday | birthday=19770531) & (code=AAA-345)
It means, get me all records that has a text "birthday=19770531" or doesn't have "birthday" at all, and a text equals to "code=AAA-345"). The way lexemes are being created it is not possible. I was expecting to have something like this:
'birthday=19770531':1 'age=44':2 'code=aaa-345':4 'name=john-oliver':3
You would have to code a custom parser. This can only be done in C.
But you might be able to use the existing testing parser test_parser, it seems to do what you want. If not, it would at least be a good starting point.
The problem may be that this is in src/test/modules/, and I don't think it ships with most installation packaging. So it might take some effort to get it to install. It would depend on your OS, version, and package manager.
I need to be able to use variables in table names - I basically have the same set of tables used for different types of data, so I would like to just have one dashboard and swapping between all types instead of always having to set up multiple identical dashboards.
My query is something like:
select * from table_$variable_name;
Where my list of possible variable is something like cat, dog, bird
I can seem to make this work, if I only put the variable as shown above I get the following error
Error 1146: Table 'table_$variable_name' doesn't exist
If I enclose it in curly brackets, I get this error instead.
Error 1064: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '{bird}' at line 1
(i.e. with the selected variable actually being visible this time)
I'm not sure if the issue is having underscores in the table names, I tried putting underscores around my variables too to check and I had no luck with that.
Another thing I tried was gradually adding on to the table name, so e.g.
select * from table_$variable;
Still returns an error, but I can see the table name starting to form correctly
Error 1146: Table 'table_bird_' doesn't exist
However, as soon as I add another underscore, the variable is not picked up abymore
```Error 1146: Table 'table_$variable_' doesn't exist``
I'm sure it's something silly I am missing in the syntax of the query - anyone has any suggestions?
Using this https://grafana.com/docs/grafana/latest/variables/templates-and-variables/ for reference
As #arturomp suggests, use
${var:raw}
At least in my case, this was the solution that worked.
I found double square brackets work. e.g.
Rather than
select * from table_$variable_name;
use
select * from table_[[variable_name]];
I am trying to run below code to read all csv files available at location C:/q/BitCoin/Input.Getting an error and dont know what the solution is?csv files are standard ones with three fields.
raze{[x]
inputdir:`:C:/q/BitCoin/Input;
filelist1:key inputdir;
filelist2:` sv' inputdir,'filelist1;
filelist3:string filelist2;
r:flip`Time`Qty`Price!("ZFF";",")0:x;
select from r
} each `$filelist3
Hard coding the file names and running below code works but I don't want to hard code
raze {[x]
r:flip`Time`Qty`Price!("ZFF";",")0:x;
select from r
} each (`$"C:/q/BitCoin/Input/bitbayPLN.csv";`$"C:/q/BitCoin/Input/anxhkAUD.csv")
Getting below error
An error occurred during execution of the query.
The server sent the response:
filelist3
Can someone help with issue?
The reason that you are receiving the error 'filelist3 is because filelist3 is defined in the lambda and outside of the lambda it is not recognised or defined. There are various ways to overcome this as outlined below.
Firstly you can essentially take all of the defined work done on the inside of the lambda and put it on the right side of the each.
raze{[x] r:flip`Time`Qty`Price!("ZFF";",")0:x; select from r
} each `$(string (` sv' `:C:/q/BitCoin/Input,'(key `:C:/q/BitCoin/Input)))
Or if you wanted to you could create a function which will generate filelist3 for you and use that on the right hand side of the each also.
f:{[inputdir] filelist1:key inputdir; filelist2:` sv' inputdir,'filelist1; filelist3:string filelist2; filelist3}
raze{[x] r:flip`Time`Qty`Price!("ZFF";",")0:x; select from r
} each `$f[`:C:/q/BitCoin/Input]
I hope this helps.
Many thanks,
Joel
I have a Python script that runs a pgSQL file through SQLAlchemy's connection.execute function. Here's the block of code in Python:
results = pg_conn.execute(sql_cmd, beg_date = datetime.date(2015,4,1), end_date = datetime.date(2015,4,30))
And here's one of the areas where the variable gets inputted in my SQL:
WHERE
( dv.date >= %(beg_date)s AND
dv.date <= %(end_date)s)
When I run this, I get a cryptic python error:
sqlalchemy.exc.ProgrammingError: (psycopg2.ProgrammingError) argument formats can't be mixed
…followed by a huge dump of the offending SQL query. I've run this exact code with the same variable convention before. Why isn't it working this time?
I encountered a similar issue as Nikhil. I have a query with LIKE clauses which worked until I modified it to include a bind variable, at which point I received the following error:
DatabaseError: Execution failed on sql '...': argument formats can't be mixed
The solution is not to give up on the LIKE clause. That would be pretty crazy if psycopg2 simply didn't permit LIKE clauses. Rather, we can escape the literal % with %%. For example, the following query:
SELECT *
FROM people
WHERE start_date > %(beg_date)s
AND name LIKE 'John%';
would need to be modified to:
SELECT *
FROM people
WHERE start_date > %(beg_date)s
AND name LIKE 'John%%';
More details in the pscopg2 docs: http://initd.org/psycopg/docs/usage.html#passing-parameters-to-sql-queries
As it turned out, I had used a SQL LIKE operator in the new SQL query, and the % operand was messing with Python's escaping capability. For instance:
dv.device LIKE 'iPhone%' or
dv.device LIKE '%Phone'
Another answer offered a way to un-escape and re-escape, which I felt would add unnecessary complexity to otherwise simple code. Instead, I used pgSQL's ability to handle regex to modify the SQL query itself. This changed the above portion of the query to:
dv.device ~ E'iPhone.*' or
dv.device ~ E'.*Phone$'
So for others: you may need to change your LIKE operators to regex '~' to get it to work. Just remember that it'll be WAY slower for large queries. (More info here.)
For me it's turn out I have % in sql comment
/* Any future change in the testing size will not require
a change here... even if we do a 100% test
*/
This works fine:
/* Any future change in the testing size will not require
a change here... even if we do a 100pct test
*/
say I have a long URL
xyz = 'www.google.com/xyz?para1=value1¶2=value2¶3=value3....'
I am trying to get the 'para1' out of this long URL
So, I have
select TRIM(Leading '?' from Substring(xyz from '%#"?%=#"%' for '#'))
The answer I get for this particular statement is
para1=value1¶2=value2¶3=
How can I get just 'para1' using the select statement above (or any other similar method?)
I am using Greenplum (as mentioned in the topic heading)
Since you apparently have the regexp_ functions (I didn't think Greenplum supported them) use:
select (regexp_matches(
'www.google.com/xyz?para1=value1¶2=value2¶3=value3....',
'\?([^&]+)='
))[1];