Data query

There are several types of data queries

  • Raw data query

  • Aggregate query

  • Downsampling query

  • Single point supplementary null query

  • Latest data query

  • Align by device query

  • Group by fill query

In order to achieve the above kinds of queries, a basic query component for a single time series is designed in the IoTDB query engine, and on this basis, various query functions are implemented.

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