JSONJet Documentation

flush Statement ​

The flush statement clears buffered data from a stream.

Syntax ​

flush <stream_name>

Description ​

This statement removes all buffered data from a stream while preserving the stream structure. The operation clears internal buffers but maintains active flows and subscriptions.

Parameters ​

  • stream_name: Name of the stream to flush (must be a valid identifier)

Examples ​

Basic Stream Flush ​

flush sensor_data
flush temp_stream
flush event_buffer

Maintenance Operations ​

flush old_data
flush test_stream
flush backup_buffer

Behavior ​

  • Clears all data currently in the stream
  • Stream remains active and can receive new data
  • All flows reading from the stream continue to operate
  • All subscriptions remain active
  • Operation is immediate and irreversible