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ADM_HIST_SQL_PLAN

Updated on 2024-06-03 GMT+08:00

ADM_HIST_SQL_PLAN displays plan information collected by the current user by running the EXPLAIN PLAN statement. By default, only the system administrator can access this view. Common users can access the view only after being authorized. This view exists in the PG_CATALOG and SYS schemas.

Table 1 ADM_HIST_SQL_PLAN columns

Name

Type

Description

dbid

text

Database ID

sql_id

character varying(30)

Session that inserts the data. Its value consists of a service thread start timestamp and a service thread ID. Values are constrained by NOT NULL.

plan_hash_value

bigint

Query ID

id

integer

Number assigned to each step in the execution plan

operation

character varying(30)

Operation description

options

character varying(255)

Operation option

object_node

character varying(128)

Not supported. Set it to NULL.

object#

numeric

Not supported. Set it to NULL.

object_owner

name

Object number of a table or an index

object_name

name

Name of the operated object. It is defined by users.

object_alias

character varying(261)

Not supported. Set it to NULL.

object_type

character varying(30)

Object type.

optimizer

character varying(20)

Not supported. Set it to NULL.

parent_id

numeric

Not supported. Set it to NULL.

depth

numeric

Not supported. Set it to NULL.

position

numeric

Not supported. Set it to NULL.

search_columns

numeric

Not supported. Set it to NULL.

cost

double precision

Execution cost estimated by the optimizer for an operator

cardinality

double precision

Cardinality estimated by the optimizer for an operator to access table records.

bytes

numeric

Not supported. Set it to NULL.

other_tag

character varying(35)

Not supported. Set it to NULL.

partition_start

character varying(64)

Not supported. Set it to NULL.

partition_stop

character varying(64)

Not supported. Set it to NULL.

partition_id

numeric

Not supported. Set it to NULL.

other

character varying(4000)

Not supported. Set it to NULL.

distribution

character varying(20)

Not supported. Set it to NULL.

cpu_cost

numeric

Not supported. Set it to NULL.

io_cost

numeric

Not supported. Set it to NULL.

temp_space

numeric

Not supported. Set it to NULL.

access_predicates

character varying(4000)

Not supported. Set it to NULL.

filter_predicates

character varying(4000)

Not supported. Set it to NULL.

projection

character varying(4000)

Returned column information

time

numeric

Not supported. Set it to NULL.

qblock_name

character varying(128)

Not supported. Set it to NULL.

remarks

character varying(4000)

Not supported. Set it to NULL.

timestamp

timestamp(0) without time zone

Not supported. Set it to NULL.

other_xml

clob

Not supported. Set it to NULL.

con_dbid

text

Database ID of a container, which is currently set to a value the same as that of dbid.

con_id

numeric

Container ID. Containers are not supported and this field is set to 0.

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