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  • LangStream Documentation
  • ❤️Langstream.ai
  • ⭐LangStream GitHub Repo
  • 📜Changelog
  • about
    • What is LangStream?
    • License
  • Get Started
  • installation
    • LangStream CLI
    • Docker
    • Minikube (mini-langstream)
    • Kubernetes
    • Build and install from source
  • Building Applications
    • Vector Databases
    • Application structure
      • Pipelines
      • Instances
      • Configuration
      • Topics
      • Assets
      • Secrets
      • YAML templating
      • Error Handling
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      • .langstreamignore
    • Sample App
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    • Expression Language
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      • Websocket
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      • Gateway authentication
    • API Reference
      • Agents
      • Resources
      • Assets
  • LangStream CLI
    • CLI Commands
    • CLI Configuration
    • Web interface
  • Integrations
    • Large Language Models (LLMs)
      • OpenAI
      • Hugging Face
      • Google Vertex AI
      • Amazon Bedrock
      • Ollama
    • Data storage
      • Astra Vector DB
      • Astra
      • Cassandra
      • Pinecone
      • Milvus
      • Solr
      • JDBC
      • OpenSearch
    • Integrations
      • Apache Kafka Connect
      • Apache Camel
    • LangServe
  • Pipeline Agents
    • Agent Messaging
    • Builtin agents
      • Input & Output
        • webcrawler-source
        • s3-source
        • azure-blob-storage-source
        • sink
        • vector-db-sink
        • camel-source
      • AI Agents
        • ai-chat-completions
        • ai-text-completions
        • compute-ai-embeddings
        • flare-controller
      • Text Processors
        • document-to-json
        • language-detector
        • query
        • query-vector-db
        • re-rank
        • text-normaliser
        • text-extractor
        • text-splitter
        • http-request
      • Data Transform
        • cast
        • compute
        • drop
        • drop-fields
        • merge-key-value
        • unwrap-key-value
      • Flow control
        • dispatch
        • timer-source
        • trigger-event
    • Custom Agents
      • Python sink
      • Python source
      • Python processor
      • Python service
    • Agent Developer Guide
      • Agent Types
      • Agent Creation
      • Configuration and Testing
      • Environment variables
  • Messaging
    • Messaging
      • Apache Pulsar
      • Apache Kafka
      • Pravega.io
  • Patterns
    • RAG pattern
    • FLARE pattern
  • Examples
    • LangServe chatbot
    • LlamaIndex Cassandra sink
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On this page
  • Astra Collection (astra-collection)
  • Astra keyspace (astra-keyspace)
  • Cassandra keyspace (cassandra-keyspace)
  • Cassandra table (cassandra-table)
  • JDBC table (jdbc-table)
  • Milvus collection (milvus-collection)
  • OpenSearch index (opensearch-index)
  • Solr collection (solr-collection)
  • Solr collection (solr-collection).create-statements
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  1. Building Applications
  2. API Reference

Assets

LangStream Version: 0.6.2

Astra Collection (astra-collection)

Manage a DataStax Astra Collection.

Description
Type
Required
Default Value

collection-name

Name of the collection to create.

string

✓

datasource

Reference to a datasource id configured in the application.

string

✓

vector-dimension

Size of the vector.

integer

✓

Astra keyspace (astra-keyspace)

Manage a DataStax Astra keyspace.

Description
Type
Required
Default Value

datasource

Reference to a datasource id configured in the application.

string

✓

keyspace

Name of the keyspace to create.

string

✓

Cassandra keyspace (cassandra-keyspace)

Manage a Cassandra keyspace.

Description
Type
Required
Default Value

create-statements

List of the statement to execute to create the keyspace. They will be executed every time the application is deployed or upgraded.

array of string

✓

datasource

Reference to a datasource id configured in the application.

string

✓

delete-statements

List of the statement to execute to cleanup the keyspace. They will be executed when the application is deleted only if 'deletion-mode' is 'delete'.

array of string

keyspace

Name of the keyspace to create.

string

✓

Cassandra table (cassandra-table)

Manage a Cassandra table in existing keyspace.

Description
Type
Required
Default Value

create-statements

List of the statement to execute to create the table. They will be executed every time the application is deployed or upgraded.

array of string

✓

datasource

Reference to a datasource id configured in the application.

string

✓

delete-statements

List of the statement to execute to cleanup the table. They will be executed when the application is deleted only if 'deletion-mode' is 'delete'.

array of string

keyspace

Name of the keyspace where the table is located.

string

✓

table-name

Name of the table.

string

✓

JDBC table (jdbc-table)

Manage a JDBC table.

Description
Type
Required
Default Value

create-statements

List of the statement to execute to create the table. They will be executed every time the application is deployed or upgraded.

array of string

✓

datasource

Reference to a datasource id configured in the application.

string

✓

delete-statements

List of the statement to execute to cleanup the table. They will be executed when the application is deleted only if 'deletion-mode' is 'delete'.

array of string

table-name

Name of the table.

string

✓

Milvus collection (milvus-collection)

Manage a Milvus collection.

Description
Type
Required
Default Value

collection-name

Name of the collection.

string

✓

create-statements

List of the statement to execute to create the collection. They will be executed every time the application is deployed or upgraded.

array of string

✓

database-name

Name of the database where to create the collection.

string

datasource

Reference to a datasource id configured in the application.

string

✓

OpenSearch index (opensearch-index)

Manage OpenSearch index.

Description
Type
Required
Default Value

datasource

Reference to a datasource id configured in the application.

string

✓

mappings

JSON containing index mappings configuration.

string

settings

JSON containing index settings configuration.

string

Solr collection (solr-collection)

Manage a Solr collection.

Description
Type
Required
Default Value

create-statements

List of the statement to execute to create the collection. They will be executed every time the application is deployed or upgraded.

✓

datasource

Reference to a datasource id configured in the application.

string

✓

Solr collection (solr-collection).create-statements

Description
Type
Required
Default Value

method

string

api

string

body

string

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Last updated 1 year ago

array of object