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Index configuration FAQ
How to distinguish between JSON automatic index and manual index
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How to distinguish between JSON automatic index and manual index
The difference between setting automatic index and automatic index statistics for JSON child fields:​
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JSON structure​
Whether there is a Key-value index (for query)​
Whether statistical functions are available (for SQL analysis)​
Parent field​
  • Has Key-value index:​
  • Only when no child fields are configured, and neither automatic index nor automatic index statistics are enabled.​
  • No Key-value index: all other cases.​
Supports independent configuration for enabling or disabling.​
Child field​
All have Key-value index.​
Supports independent configuration for enabling or disabling.​
However, depending on the settings, the initial state of auto-generated child field statistical functions is as follows:​
  • Only automatic index enabled: child fields do not have statistical functions enabled​
  • Only automatic index statistics enabled: child fields have statistical functions enabled​
  • Neither enabled: no auto-generated child fields.​
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Last updated: 2026.06.25 16:58:10