Custom Scan
Short Description
The Custom Scan node indicates use of a Custom Scan module
Detailed Description​
The Custom Scan node indicates use of a Custom Scan Provider. PostgreSQL support a set of experimental facilities which allow extension modules to add a completely new scan type. This is typically done when an optimization not found in the core product is required. This may be to take advantage of a new form of caching or a new hardware development.
Additional Links​
- PostgreSQL Documentation - Customer Scan Provider
- PostgreSQL Documentation - Using Explain
- pgAnalyze - Explain
- eTutorials - Understanding How PostgreSQL Executes a Query
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