https://www.alibabacloud.com/help/en/rds/apsaradb-rds-for-postgresql/st-attrfloatmin
Return the minimum float attribute value from a trajectory using ST_attrFloatMin - ApsaraDB RDS -...
Efficiently find the minimum float attribute value from a trajectory object with the ST_attrFloatMin function. See syntax, parameters, and code examples.