Properties

Name: _pg_keyissubset 
Specific name: _pg_keyissubset() 
Owner: postgres 
Argument count:
Return type: bool 
Language: sql 
Return a set:  
Source: select $1[1] is null or ($1[1] = any ($2) and coalesce(information_schema._pg_keyissubset($1[2:pg_catalog.array_upper($1,1)], $2), true)) 
Volatility:  
Security of definer:  
Strict:  
Comment:  

SQL

See Also

List of functions