While executing the above IIQ API it is throwing the error _Name not found and could not execute the query.
The reason is that ManagedAttribute doesn't have a name field. It has displayName, so instead of getObjectByName use context.search using queryOption on the basis of displayName.
Related
I am trying to build some smart error messages using the #app.errorhandler (500) feature. For example, my route includes an INSERT command to the database:
if request.method == "POST":
userID = int(request.form.get("userID"))
topicID = int(request.form.get("topicID"))
db.execute("BEGIN TRANSACTION")
db.execute("INSERT INTO UserToTopic (userID,topicID) VALUES (?,?)", userID, topicID)
db.execute("COMMIT")
If that transaction violates a constraint, such as UNIQUE or FOREIGN_KEY, I want to catch the error and display a user-friendly message. To do this, I'm using the Flask #app.errorhandler as follows:
#app.errorhandler(500)
def internal_error(error):
db.execute("ROLLBACK")
return render_template('500.html'), 500
The "ROLLBACK" command works fine if I'm in the middle of a database transaction. But sometimes the 500 error is not related to the db, and in those cases the ROLLBACK statement itself causes an error, because you can't rollback a transaction that never started. So I'm looking for a method that returns a Boolean value that would be true if a db transaction is under way, and false if not, so I can use it to make the ROLLBACK conditional. The only one I can find in the SQLite3 documentation is for a C interface, and I can't get it to work with my Python code. Any suggestions?
I know that if I'm careful enough with my forms and routes, I can prevent 99% of potential violations of db rules. But I would still like a smart error catcher to protect me for the other 1%.
I don't know how transaction works in sqlite but what you are trying to do, you can achieve it by try/except statements
use try/except within the function
try:
db.execute("ROLLBACK")
except:
pass
return render_template('500.html'), 500
Use try/except when inserting data.
from flask import abort
try:
userID = int(request.form.get("userID"))
[...]
except:
db.rollback()
abort(500)
I am not familiar with sqlite errors, if you know what specific error occurs except for that specific error.
I am using this query to get some statistics from our DB
SELECT DateTimePart("yyyy", c.RedeemedDate) AS RedeemedInYear,
DateTimePart("m", c.RedeemedDate) AS RedeemedInMonth,
AVG(c.RedPriceStoreSummary ?? c.WhitePriceStoreSummary) AS AverageBasketValue
FROM c
WHERE c.IsRedeemed = true
AND c.Brand = 'xxx'
AND c.RedeemedDate != null
AND DateTimePart("yyyy", c.RedeemedDate) = DateTimePart("yyyy", GetCurrentDateTime())
GROUP BY DateTimePart("m", c.RedeemedDate),
DateTimePart("yyyy", c.RedeemedDate)
The problem is that query crashes with the following error if there are no results
Cannot read property 'create' of undefined
If I force the query to where it gets results then everything works fine but I dont want the query to crash if there are no results I want an empty result set.
Am I missing something here?
You need to trap queries in a try block and catch if it returns a 404. This is a hold over in behavior from the previous SDK. Alternatively you can use the stream variant of these SDK functions which will not throw exceptions when data is not found, however you still want to check the http response code and you'll also need to manually deserialize the data.
I have AWS step machine and one of the step is used to notify failure using SNS service. I want to select some metadata from input json into outgoing message. So i am trying to concatenate constant string with jsonpath like below
"Notify Failure": {
"Type": "Task",
"Resource": "arn:aws:states:::sns:publish",
"Parameters": {
"Message.$": "A job submitted through Step Functions failed for document id $.document_id",
"Subject":"Job failed",
"TopicArn": "arn:aws:sns:us-west-2:xxxxxxx:xxxxxxxx"
},
"End": true
}
where document_id is one of the property in input json
However when i try save state machine defination i get error
There is a problem with your ASL definition, please review it and try
again The value for the field 'Message.$' must be a valid JSONPath
I was able to solve a similar issue using:
"Message.$": "States.Format('A job submitted through Step Functions failed for document id {}', $.document_id)",
Described in a AWS News Blog post.
The JSONPath implementation referenced from the AWS Step Functions documentation supports String concatenation via $.concat($..prop) but sadly this does not work when deployed to AWS, suggesting that AWS uses a different implementation.
Therefore there is no way to do string concatenation with JSONPath in AWS.
As the message suggest you need to provide a valid JSONPath.
"Message.$": "$.document_id"
You cannot use any string interpolation as it invalidates the JSONPath format. You will need to construct the message in the preceding state.
I know that this thread is quite old, but I think it might be useful for some people.
It IS actually possible to concatenate strings or JSONPaths in AWS Step Functions thanks to the function States.Format.
The principle is the same as the string format method in Python.
Example with strings
"States.Format('{}<separator_1>{}<separator_2>{}', 'foo', 'bar', 'baz')"
will give you
'foo<separator_1>bar<separator_2>baz'
Example with JSONPaths
"States.Format('{}<separator>{}', $.param_1, $.param_2)"
will give you
'<value of param_1><separator><value of param_2>'
NB: You can also combine strings with JSONPaths.
Hope it helps!
I was trying to make a website using perl dancer, below is my code. It seems to be correct but the page keeps loading and never enters the values in the database. When I cancel the page I get an error stating "request to POST /appform crashed: Can't call method "execute" on an undefined value". I can't figured out whats wrong in the code. If you have any other code please mention.
I am using SQLite for database.
There is a database campus.dband I am inserting the value in student table.
post '/appform' => sub {
my $q = CGI ->new;
my $name = $q->param ("firstname");
my $password = $q->param("password");
my $mobile_no = $q->param("mobile");
my $gender = $q->param("gender");
my $email = $q->param("email");
my $address = $q->param("address");
my $sslc = $q->param("SSLC");
my $hsc = $q->param("HSC");
my $cgpa = $q->param("cgpa");
my $languages = $q->param("lang");
my $internships = $q->param("intern");
my $preferred_loc = $q->param("country");
my $sql = "insert into student(name,mobile_no,gender,email,address,sslc,hsc,cgpa,languages,internships,preferred_loc,password,applied_job,company_applied) values ('?','?','?','?','?','?','?','?','?','?','?','?','?','?');";
my $sth = database->prepare($sql);
$sth->execute($name,$mobile_no,$gender,$email,$address,$sslc,$hsc,$cgpa,$languages,$internships,$preferred_loc,$password) or die $sth->errstr;
#$sth->execute();
$sth-> finish;
set_flash('New entry posted!');
redirect '/';
};
You're using the database keyword to get a database handle. I'm guessing that's coming from Dancer2::Plugin::Database (it would be useful if you could include information like this in your question).
The error says that you're calling execute() on an undefined value. You're calling execute() on the variable $sth. So $sth is undefined. You get $sth by calling prepare() on the database handle returned from database(). So it looks like the prepare() call is failing. You should check the return value from that call and throw an error if it fails.
The most common reason for prepare() to fail is that you're trying to compile an SQL statement that contains an error. I can't see any obvious error in your SQL, but it's worth checking it by running it manually against your database.
I see you're using bind params in your SQL statement. That's a great idea, but please note that you don't need to quote the question marks in your SQL - the database driver will handle that for you. I don't think that's what is causing your problem though.
I also see that you're using CGI.pm inside your Dancer app to get the request parameters. To be honest, I'm slightly surprised that it works - but it's a terrible idea. Dancer has its own keywords that will give you this information. Look at query_parameters(), body_parameters() and route_parameters() in the Dancer documentation.
In addition to the points made already, that your DBI prepare() call is probably failing (add error-checking to see why, e.g. my $sth = database->prepare('...') or die "DB error: " . database->errstr) and that you're using CGI.pm within a Dancer app (... don't do that, I'm surprised it would work at all - look at the Dancer documentation for how to access the params your app was sent), look also at the quick_insert convenience method provided by Dancer::Plugin::Database / Dancer2::Plugin::Database so that you don't have to write that SQL INSERT statement at all.
I have the following code at some point in Application_Start
MembershipUserCollection users = Membership.GetAllUsers();
foreach (MembershipUser u in users)
{
ProfileBase profile = ProfileBase.Create(u.UserName, false);
if (profile["Index"] != null)
{
// Some code
}
}
The problem is that when i try to access the profile properties I get "Request is not available in this context" httpException. I have tried using profile.GetPropertyValue but no luck also.
Why does profile need the request object and how can I get this to work?
EDIT:
I have looked into the .NET code and found that at some point SqlProfileProvider.GetPropertyValuesFromDatabase(string userName, SettingsPropertyValueCollection svc) is called, inside of which rests this string of code:
if (!current.Request.IsAuthenticated)
Apparently this will never work if not in request context. The workaround descripbed in Onur's answer will work fine.
Apparently you are trying to access request object which is not possible in your case.
Please take a look following link and apply one of workarounds if possible.
http://mvolo.com/iis7-integrated-mode-request-is-not-available-in-this-context-exception-in-applicationstart
and if you give more information what are you trying to achieve we can find another way.
You could get the "string value" properties by querying the aspnet_Profiles table and parsing the string.
SELECT [UserName]
,[PropertyNames]
,[PropertyValuesString]
FROM [aspnet_Profile]
LEFT JOIN [aspnet_Users] on [aspnet_Users].UserId = [aspnet_Profile].UserId
The PropertyValuesString can be parsed with a bit of code. This link should explain the format in detail https://msdn.microsoft.com/en-us/library/aa478953.aspx#persistence_format.