GS_WLM_PLAN_OPERATOR_HISTORY

GS_WLM_PLAN_OPERATOR_HISTORY displays the execution plan operator-level records of the current user on the primary database node after the job is complete.

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**Table 1** GS_WLM_PLAN_OPERATOR_HISTORY columns
Name	Type	Description
datname	name	Name of the database where the collected plan information is located.
queryid	bigint	Internal query ID used for statement execution.
plan_node_id	integer	Plan node ID of the execution plan.
startup_time	bigint	Time when the operator starts to process the first data record.
total_time	bigint	Total execution time of the operator (unit: ms).
actual_rows	bigint	Number of rows that are actually executed.
max_peak_memory	integer	Maximum peak memory used by the operator on database nodes (unit: MB).
query_dop	integer	DOP of the operator.
parent_node_id	integer	Parent node ID of the operator.
left_child_id	integer	Left child node ID of the operator.
right_child_id	integer	Right child node ID of the operator.
operation	text	Name of the operation performed by the operator.
orientation	text	Alignment mode of the operator.
strategy	text	Implementation method of the operator.
options	text	Selection mode of the operator.
condition	text	Filter criteria of the operator.
projection	text	Mapping relationship of the operator.