julianhyde commented on a change in pull request #1080: [CALCITE-2887] Improve
performance of RexLiteral#toJavaString
URL: https://github.com/apache/calcite/pull/1080#discussion_r262445493
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File path: core/src/main/java/org/apache/calcite/rex/RexLiteral.java
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@@ -551,12 +552,16 @@ private static int width(TimeUnit timeUnit) {
* Prints the value this literal as a Java string constant.
*/
public void printAsJava(PrintWriter pw) {
- printAsJava(value, pw, typeName, true, RexDigestIncludeType.NO_TYPE);
+ try {
+ appendAsJava(value, pw, typeName, true, RexDigestIncludeType.NO_TYPE);
+ } catch (IOException e) {
+ throw new IllegalStateException("IOException should not be raised with
PrintWriter", e);
Review comment:
I like that way of thinking. We could state in the method javadoc that we
don't allow an `Appendable` that might actually do I/O. (The goal is only to
write to in-memory buffers.) And therefore if there is an `IOException` it is a
coding error.
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