morningman commented on a change in pull request #3577:
URL: https://github.com/apache/incubator-doris/pull/3577#discussion_r425170848
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File path: fe/src/main/java/org/apache/doris/analysis/SlotRef.java
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@@ -162,6 +162,12 @@ public String toSqlImpl() {
return tblName.toSql() + "." + label + sb.toString();
} else if (label != null) {
return label + sb.toString();
+ } else if (desc.getSourceExprs() != null) {
+ for (Expr expr : desc.getSourceExprs()) {
+ sb.append(expr.toSql());
+ sb.append(" ");
+ }
+ return sb.toString();
Review comment:
How about return both `slot id` and `expr`. I'm afraid that `slot id`
may be used for some tracing debug.
And please fix all related unit tests after you change here.
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