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read_overflow_mode_* session settings

These settings are available in system.settings and are autogenerated from source.

read_overflow_mode

Type
OverflowMode
Default
throw

What to do when the limit is exceeded.

read_overflow_mode_leaf

Type
OverflowMode
Default
throw

Sets what happens when the volume of data read exceeds one of the leaf limits.

Possible options:

  • throw: throw an exception (default).
  • break: stop executing the query and return the partial result.
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