[jira] [Created] (FLINK-17523) Add call expression with a class of UDF

[Shang Yuanchun (Jira)]

Dawid Wysakowicz created FLINK-17523:
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             Summary: Add call expression with a class of UDF
                 Key: FLINK-17523
                 URL: https://issues.apache.org/jira/browse/FLINK-17523
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / API
            Reporter: Dawid Wysakowicz
            Assignee: Dawid Wysakowicz
             Fix For: 1.11.0


We should introduce a method that takes a class of UDF instead of an instance similar to:
{code}
TableEnvironment#createTemporarySystemFunction(String name, Class<? extends UserDefinedFunction> functionClass);
{code}

The API should look like:
{code}
public static ApiExpression Expressions:call(Class<? extends UserDefinedFunction> function, Object... arguments)
{code}



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