TisonKun commented on a change in pull request #6432: [FLINK-9970] Add ASCII
function for table/sql API
URL: https://github.com/apache/flink/pull/6432#discussion_r205643221
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File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/functions/ScalarFunctions.scala
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@@ -196,6 +196,19 @@ object ScalarFunctions {
new String(data)
}
+ /**
+ * Returns the numeric value of the leftmost character of the string str.
+ * Returns 0 if str is the empty string. Returns NULL if str is NULL.
+ */
+ def ascii(str: String): String = {
+ if (str == null)
Review comment:
checkstyle would complain about no braces here, i.e. `if (...) { ... }`
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