Member since
12-09-2022
1
Post
0
Kudos Received
0
Solutions
12-09-2022
11:42 AM
Using QueryRecord i am trying to figure out how to find records which have a string in an array that start with a value Given the below array, i would like only record which have a tag that start with '/test2/' [
{
"name":"bob",
"tags":[ "/test1/foo","/alpha"]
}
,
{
"name":"bill",
"tags":[ "/test2/blah","/beta"]
}
] Selecting as if it a flattened string SELECT * FROM FLOWFILE WHERE tags LIKE '%/test2/blah']: i get an exception saying we cannot compare against an Array. Cannot apply 'LIKE' to arguments of type 'LIKE(<JAVATYPE(CLASS JAVA.LANG.STRING) ARRAY> Treating it as a Record SELECT * FROM FLOWFILE WHERE RPATH_STRING(tags, '/') LIKE '/test2/%' due to java.lang.String cannot be cast to org.apache.nifi.serialization.record.Record: java.lang.ClassCastException: java.lang.String cannot be cast to org.apache.nifi.serialization.record.Record The errors i am getting make sense, but i am not sure how to inspect an array which is just strings. Can somebody help point me in the right direction?
... View more
Labels:
- Labels:
-
Apache Calcite
-
Apache NiFi