LedgerCore
Query Engine

Query Examples

Common query patterns for the Unified Query Engine.

Filter by Symbol

{
  "connector": "market-data",
  "dataType": "candles",
  "filters": {
    "symbol": "BTC-USD"
  },
  "limit": 100
}

Multiple Symbols

{
  "connector": "market-data",
  "filters": {
    "symbol": { "$in": ["BTC-USD", "ETH-USD", "SOL-USD"] }
  }
}

Time Range

{
  "connector": "market-data",
  "filters": {
    "timestamp": {
      "$gte": 1640995200000,
      "$lte": 1643673600000
    }
  }
}

Sorting

{
  "connector": "market-data",
  "sort": { "timestamp": -1 },
  "limit": 100
}
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