LOCAL_ACTIVE_SESSION

LOCAL_ACTIVE_SESSION displays samples in the ACTIVE SESSION PROFILE memory on the current node, as shown in Table 1.

**Table 1** LOCAL_ACTIVE_SESSION columns
Name	Type	Description
sampleid	bigint	Sample ID.
sample_time	timestamp with time zone	Sampling time.
need_flush_sample	Boolean	Specifies whether the sample needs to be flushed to disks.
databaseid	oid	Database ID.
thread_id	bigint	Thread ID.
sessionid	bigint	Session ID.
start_time	timestamp with time zone	Start time of a session.
event	text	Event name.
lwtid	integer	Lightweight thread ID of the current thread.
psessionid	bigint	Parent thread of the streaming thread.
tlevel	integer	Level of the streaming thread. The value corresponds to the level (ID) of the execution plan.
smpid	integer	Concurrent thread ID in SMP execution mode.
userid	oid	ID of a session user.
application_name	text	Name of an application.
client_addr	inet	IP address of a client.
client_hostname	text	Name of a client.
client_port	integer	TCP port number used by a client to communicate with the backend.
query_id	bigint	Debug query ID.
unique_query_id	bigint	Unique query ID.
user_id	oid	User ID in the key of the unique query
cn_id	integer	A CN ID on a DN indicates that the unique SQL statement comes from a CN ID in a key of the unique query on a CN.
unique_query	text	Standardized text string of the unique SQL statement.
locktag	text	Information of a lock that the session waits for, which can be parsed using locktag_decode.
lockmode	text	Mode of a lock that the session waits for.
block_sessionid	bigint	Blocks a session from obtaining the session ID of a lock if the session is waiting for the lock.
final_block_sessionid	bigint	ID of the blocked session at the source end.
wait_status	text	Provides more details about an event column.
global_sessionid	text	Global session ID.
xact_start_time	timestamp with time zone	Start time of the transaction.
query_start_time	timestamp with time zone	Time when the statement starts to be executed.
state	text	Current statement state The value can be active, idle in transaction, fastpath function call, idle in transaction (aborted), disabled, or retrying.
event_start_time	timestamp with time zone	Start time of a wait event.
current_xid	xid	Current transaction ID.
top_xid	xid	Top-level transaction ID.
parent_unique_sql_id	bigint	SQL_Id of the parent statement that calls the statement.
control_status	text	The value is under_cpu_throttle when CPU resource for abnormal SQL statements are controlled. Otherwise, the value is normal.
top_unique_query_id	bigint	This column displays the unique_query_id of the top-level SQL statement of the stored procedure.
top_unique_query	text	This column displays the unique_query of the top-level SQL statement of the stored procedure.