SQL_PLAN_BASELINE

0: preferred
1: approved (available)
2: unapproved (not recommended)
3: rejected

The SQL_PLAN_BASELINE view displays plan binding information, which comes from the PG_PLAN_BASELINE system catalog.

**Table 1** PG_PLAN_BASELINE columns
Name	Type	Description
sql_hash	text	sql_hash of the statement
outline_name	text	Name of the outline bound to the SQL statement corresponding to the sql_hash
plan_baseline	name	Baseline name of the binding relationship
create_time	timestamp with time zone	Time when the plan binding task is created
last_modify_time	timestamp with time zone	Last modification time, that is, the time when the statement was bound to the plan for the last time
last_execute_time	timestamp with time zone	Last execution time
apply_skew_hint	boolean	Whether to apply the skew hint in the outline. This column is available in clusters of version 9.1.0 or later.
status	tinyint	Binding status. This column is available in clusters of version 9.1.1.200 or later. Available values are as follows: 0: preferred 1: approved (available) 2: unapproved (not recommended) 3: rejected
cost	float8	Cost of the plan for generating the outline. This column is available in clusters of version 9.1.1.200 or later.
normalize_cost	float8	Normalized cost calculated based on the duration, CPU usage, and memory usage of the statement in the top SQL statements. This column is reserved and not used. This column is available in clusters of version 9.1.1.200 or later.