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Neynar Farcaster SQL playground

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Available at data.hubs.neynar.com

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Subscription

If you don’t have access yet, subscribe at neynar.com . Please reach out to rish on Slack or Farcaster with feedback, questions or to ask for access

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Schema

You can always get the latest schema from the database directly by running this query 
SELECT table_name, column_name, data_type, is_nullable
FROM information_schema.columns
WHERE table_schema = 'public'
ORDER BY table_name, ordinal_position;
If you give chatgpt the table schema and tell it what you want, it’ll write the sql query for you! Schema as of Nov 21, 2024 is here. We recommend you get the latest schema when working with an LLM agent.

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Overview

  • Query any Farcaster data in the playground
  • SQL access is also available over API, check your Redash profile for your API key. This is a separate API key for SQL only (not the same key as our read and write APIs)
Neynar SQL Playground

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SQL over API

  • Documentation on how to use SQL over API is here

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Notes on the database

Data is more raw compared to our APIs, please let us know if any particular views would be useful; we encourage API use instead of SQL if you’re building clients. You will likely need to join different tables when using SQL.

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1. Follows

links table has follower <> follow data:
  • fid → target_fid row means fid follows target_fid

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2. Reactions

  • reaction_type 1 is “like” and 2 is “recast” in the reactions table
  • hash in the reactions table is the “reaction hash” and target_hash is the hash of the cast that received the reaction

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3. hex <> bytea

Redash UI automatically converts bytea data to hex format. However, when writing sql queries, you have to do the conversion yourself e.g.
  • bytea to hex
select ENCODE(hash, 'hex') as hash from casts
limit 1
  • hex to bytea
select * from casts where hash = DECODE('hex_hash_without_0x', 'hex')
(swap hex_hash_without_0x with the actual cast hash minus the `0x)