How can I pass a set of string in jdbc query in java

Question

0.00/5 (No votes)

See more:

I am passing a Set<string> in my query
but the data is being passed like this :
('[john,ray,mike]')

but I want to pass the data like this in the query:
('john','ray','mike')

How Can I do that?

What I have tried:

This is what I have tried:

SQL

public static ResultSet getData(Set<String> subList) {
		
		String query = "select * from AllRecords in (" + StringUtils.join(subList, ',')+ ") ";

		return DatabaseUtils.getEntries(TestRunner.getCaPostgresConnection(), TestRunner.getSqlStatement(), query);
	}

Posted 13-Nov-22 21:31pm

Member 15489491

Updated 13-Nov-22 21:40pm

v2

Add a Solution

Comments

CPallini 14-Nov-22 4:42am

Instead of using StringUtils.join, write your own function to perform the replacement.

Richard Deeming 15-Nov-22 6:52am

Not like that! Your code is vulnerable to SQL Injection[^]. NEVER use string concatenation/interpolation to build a SQL query. ALWAYS use a parameterized query.

In this case, that will involve writing a loop to add one parameter for each value to your command object, and appending the parameter names to the command text.

If your custom DatabaseUtils methods don't allow you to use parameters, then throw them out; they are dangerous, and not fit for purpose.

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)