Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/19813#discussion_r156238903 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Expression.scala --- @@ -105,6 +105,12 @@ abstract class Expression extends TreeNode[Expression] { val isNull = ctx.freshName("isNull") val value = ctx.freshName("value") val eval = doGenCode(ctx, ExprCode("", isNull, value)) + eval.isNull = if (this.nullable) eval.isNull else "false" --- End diff -- Compilation error like: ``` [info] Cause: org.codehaus.commons.compiler.CompileException: File 'generated.java', Line 59, Column 14: failed to compile: org.codehaus.commons.compiler.CompileException: File 'generated.java', Line 59, Column 14: Identifier expected instead of 'false' ``` Seems some expressions uses `eval.isNull` as lvalue. Do you think we should find them out and change them?
--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org