clintropolis commented on code in PR #18334:
URL: https://github.com/apache/druid/pull/18334#discussion_r2246448063
##########
processing/src/main/java/org/apache/druid/segment/virtual/ExpressionVirtualColumn.java:
##########
@@ -367,13 +369,14 @@ public boolean equals(final Object o)
}
final ExpressionVirtualColumn that = (ExpressionVirtualColumn) o;
return Objects.equals(name, that.name) &&
- Objects.equals(expression, that.expression);
+ Objects.equals(expression.expressionString,
that.expression.expressionString) &&
+ Objects.equals(expression.outputType, that.expression.outputType);
}
@Override
public int hashCode()
{
- return Objects.hash(name, expression);
+ return Objects.hash(name, expression.expressionString,
expression.outputType);
Review Comment:
`expressionString` is the raw expression as input by the user from the json,
stringifying the parsed expression homogenizes this so `a+b` and `a + b` become
the same string
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