Github user patricker commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2162#discussion_r163454074
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/AbstractDatabaseFetchProcessor.java
---
@@ -156,10 +157,22 @@
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
+ public static final PropertyDescriptor SQL_QUERY = new
PropertyDescriptor.Builder()
+ .name("db-fetch-sql-query")
+ .displayName("Custom Query")
+ .description("A custom SQL query used to retrieve data.
Instead of building a SQL query from "
+ + "other properties, this query will be used. Query
must have no WHERE or ORDER BY statements. "
+ + "If a WHERE clause is needed use a sub-query or the
'Additional WHERE clause' property.")
--- End diff --
Sounds like a good idea. Users still won't be able to include an ORDER BY,
as those are not allowed in sub queries in every database I've worked with.
---
