Questions tagged [schemaless]

73 questions
0
votes
0 answers

Indexing PDFs and MS Office documents with Solr while running schemaless mode

After starting Solr in schemaless mode via "solr start -e schemaless", proceeded to index some documents (PDFs and docx). Indexing seems to have succeeded as can be seen below. However, when running queries from within the Solr Admin UI, I only get…
hbha
  • 1
0
votes
1 answer

Solr Schemaless Mode creating fields as indexed

while uploading XML file in solr schemaless mode. all field type are text_general only i'm trying to change field type text_general to Indexed = "true". for all my field in solr schemaless_mode. There're 500+ fields in the schema.xml file its…
Diksha
  • 13
  • 3
0
votes
1 answer

What is the relative cost of reading rows vs. columns in SQLite?

I am attempting to create a wrapper around SQLite databases that would allow schema-less access from .net applications. The idea is to have each entity as simply a collection or attribute value pairs. The priority is simplicity and ease of use for…
ForbesLindesay
  • 10,482
  • 3
  • 47
  • 74
0
votes
1 answer

something wrong when writing influx data into TDengine

I am trying to port my application which writing InfluxDb data to TDengine via its schemaless interface. I think it should be very easy but actually not. Java code is below: public void batchInsert() { JSONObject json = new…
hook capt
  • 135
  • 5
0
votes
2 answers

Does TDengine database support schemaless?

Does TDengine support schemaless way of importing data? If so what interface does TDengine provide for users to use schemaless(e.g. through Restful API or other tools)?
GeorgeWill93
  • 167
  • 5
0
votes
1 answer

Storing a property of the type specified in a string

There's an XML scheme which says something like this: Mileage 500000 CarModel BMW
Yurii Hohan
  • 4,021
  • 4
  • 40
  • 54
0
votes
0 answers

Index multiple CSV files with different headers in Solr

I am trying to index multiple CSV files with different "schemas" in a Solr index. There's possibly some common schema elements (header columns) across these CSVs . My requirement is to be able to provide search across these CSVs amongst other…
homtanks
  • 43
  • 3
0
votes
1 answer

Add Schema To Avro Fragment .Net

The problem is the following. Steps: An application converts some custom object to an avro fragment (byte array); This avro fragment is sent to an event hub in an EventData object; The event hub trigger an azure function that receives an…
C. Fabiani
  • 129
  • 2
  • 12
0
votes
2 answers

How do I get empty fields in SOLR indexed for a schemaless collection?

How do I get empty fields in SOLR indexed? I am using solr 7.2.0 I am using schemaless SOLR to try to index everything as string, but for files with empty fields, those fields do not get indexed. Is there a way to get them to show…
0
votes
1 answer

Apache Ignite query / index

I have a particular question about indexing with Apache Ignite. My need is to query the Cache without "knowing" the schema. Because I have no java class definition at some moments, so no annotation available. But Apache Ignite seems to need…
Sirius B
  • 11
  • 6
0
votes
1 answer

For schemaless db like mongodb How can I skip MODEL part for MVC or MVT for any framework. Especially DJANJO

Mongodb is a schemaless concept. So for django or any other framework, can i skip design MODEL part(MVC or MVT) in advanced. advice me As Mongodb is schemaless, so I want to edit my db according to my requirement. Thats the reason i choose MongoDB.…
0
votes
1 answer

Using HBase in place of Hive

Today we are using Hive as our data warehouse, mainly used for batch/bulk data processing - hive analytics queries/joins etc - ETL pipeline Recently we are facing a problem where we are trying to expose our hive based ETL pipeline as a service. The…
sunillp
  • 983
  • 3
  • 13
  • 31
0
votes
1 answer

How to develop form interfaces for schema-less databases?

If you are using an SQL database, it's very straightforward to develop a user interface for CRUD operations. Since the schema is defined, it's obvious how many inputs you need in a form, etc. But when using a schema-less NoSQL approach for storage,…
Jake Wilson
  • 88,616
  • 93
  • 252
  • 370
0
votes
1 answer

join equivalent of two MongoDB collections

I have two collections, "Messages" & "ConversationMappings". Messages is a collection of individual email messages. ConversationMappings is a collection of Messages that are part of one conversation thread. I have a LOT of orphaned…
NothingToSeeHere
  • 2,253
  • 5
  • 25
  • 57
0
votes
1 answer

Could Not Chain Dataimporthandler and schemaless to add unknown fields

I've been chained dataimporthandler with schemaless mode. add config param "add-unknown-fields-to-the-schema" to dataimporthandler as seen below and configure everything. Dataimporthandler imports data and works well but solr can't add unknown field…
Halis Yılboğa
  • 850
  • 10
  • 12