paul-rogers commented on code in PR #13777:
URL: https://github.com/apache/druid/pull/13777#discussion_r1105159319
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sql/src/main/java/org/apache/druid/sql/calcite/schema/InformationSchema.java:
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@@ -73,44 +73,65 @@ public class InformationSchema extends AbstractSchema
private static final String SCHEMATA_TABLE = "SCHEMATA";
private static final String TABLES_TABLE = "TABLES";
private static final String COLUMNS_TABLE = "COLUMNS";
- private static final RowSignature SCHEMATA_SIGNATURE = RowSignature
Review Comment:
@clintropolis, we can make the needed change now. The thing you cited
sounds like a Druid property, which means it applies to all columns? Or, is
there a way to do the SQL thing and set the nullability bit on each column?
That is, the other way to solve the issue is to say:
```java
RowSignature
.builder()
...
.add("ORDINAL_POSITION", ColumnType.BIGINT) // Non-nullable
...
.add("CHARACTER_MAXIMUM_LENGTH", ColumnType.BIGINT, true) // Nullable
```
Do we have the ability to do something like the above today?
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