GS_SPM_BASELINE

GS_PLAN_BASELINE is a system catalog used to store baseline information. Users with sysadmin permissions can read the system catalog, but only initial users can write the system catalog.

**Table 1** GS_SPM_BASELINE columns
Name	Type	Description
sql_namespace	oid	Schema OID.
sql_hash	bigint	Unique ID of the SQL statement in the SPM.
plan_hash	bigint	Unique ID of a plan in the current SQL statement.
outline	text	Outline text, which can be used to fix a group of hints of the current plan.
cost	double precision	Total plan cost.
user	oid	User who creates the baseline.
status	integer	Baseline status. The options are as follows: 0 (UNACC): indicates that the plan is not accepted. 1 (ACC): indicates that the plan has been accepted. 2 (FIXED): indicates a special ACC plan. The matching priority of this plan is higher than that of other ACC plan.
source	text	Baseline source.
gplan	Boolean	Determines whether the plan is a gplan.
creation_time	timestamp with time zone	Time when the baseline is created.
last_used_time	timestamp with time zone	Last time when a plan was used.
modification_time	timestamp with time zone	Time when the baseline is modified.
jump_intercept_cnt	bigint	Number of baseline interception plan jumps.
invalid	Boolean	Specifies whether the current baseline is invalid.