clintropolis commented on code in PR #14956:
URL: https://github.com/apache/druid/pull/14956#discussion_r1323471660
##########
sql/src/main/java/org/apache/druid/sql/calcite/expression/builtin/QueryLookupOperatorConversion.java:
##########
@@ -91,4 +103,18 @@ public DruidExpression toDruidExpression(
}
);
}
+
+ private String getReplaceMissingValueWith(
+ final List<DruidExpression> inputExpressions,
+ final PlannerContext plannerContext
+ )
+ {
+ if (inputExpressions.size() > 2) {
+ final Expr missingValExpr =
plannerContext.parseExpression(inputExpressions.get(2).getExpression());
+ if (missingValExpr.isLiteral()) {
+ return missingValExpr.getLiteralValue().toString();
Review Comment:
can this argument be null?
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