Github user arina-ielchiieva commented on a diff in the pull request: https://github.com/apache/drill/pull/971#discussion_r146223741 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/NetworkFunctions.java --- @@ -523,13 +476,13 @@ public void setup() { public void eval() { String ipString = org.apache.drill.exec.expr.fn.impl.StringFunctionHelpers.toStringFromUTF8(inputIP.start, inputIP.end, inputIP.buffer); - if( ipString == null || ipString.isEmpty() || ipString.length() == 0 ){ + if (ipString == null || ipString.isEmpty()) { out.value = 0; } else { org.apache.commons.validator.routines.InetAddressValidator validator = org.apache.commons.validator.routines.InetAddressValidator.getInstance(); boolean result = validator.isValid(ipString); - if( result == true ){ + if (result == true) { --- End diff -- 1. `if (result) {` 2. we can rename the variable to `valid` -> `if (valid) {`
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