18. Monitoring : View Query Profile Information : System Catalogs for Vector Query Profiling Views : iivwprof_expr Catalog
 
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iivwprof_expr Catalog
The iivwprof_expr table contains the following columns. Each entry represents one vector function used during execution of a query.
Column Name
Type
Description
query_id
bigint
Unique identifier of a query within a session, ascending
op_id
bigint
Identifier of a relational operator within a query tree, pre-order, starting with 0
ticks
bigint
Total time spent (in CPU clock cycles) in this function
processed_cnt
bigint
Number of tuples processed
call_cnt
bigint
Number of vectors processed
function_name
varchar(60)
Function name
name
varchar(30)
Name of the expression executing the function
context
varchar(100)
Encoded names of functions in the expression tree and the operator executing this function