Avoid retaining current result set #4218
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There is no need to retain the current ResultSet as at this point it will be empty. Because if we find a Resultset we would break out of the loop. This parameter caused following error in MSSQL. ``` Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: This operation is not supported. at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:248) at com.microsoft.sqlserver.jdbc.SQLServerException.throwNotSupportedException(SQLServerException.java:442) at com.microsoft.sqlserver.jdbc.SQLServerStatement.getMoreResults(SQLServerStatement.java:2398) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:569) at org.apache.tomcat.jdbc.pool.StatementFacade$StatementProxy.invoke(StatementFacade.java:118) at jdk.proxy7/jdk.proxy7.$Proxy46.getMoreResults(Unknown Source) at org.wso2.micro.integrator.dataservices.core.description.query.SQLQuery.getFirstRSOfStoredProc(SQLQuery.java:1088) at org.wso2.micro.integrator.dataservices.core.description.query.SQLQuery.processPreStoredProcQuery(SQLQuery.java:956) ... 21 more ```
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The current ResultSet does not need to be retained at this point since it will be empty. If a ResultSet were found, the loop would break immediately. Passing
Statement.KEEP_CURRENT_RESULTtostmt.getMoreResults()causes the following error in MSSQL: