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

SUMMARY_STAT_XACT_USER_TABLES

Displays the transaction status statistics of user tables in schemas of all nodes in the cluster. It is used on CNs and the transaction status statistics of tables on each node are summed up by table name, as described in Table 1.

Table 1 SUMMARY_STAT_XACT_USER_TABLES columns

Name

Type

Description

schemaname

name

Name of the schema where the table is located.

relname

name

Table name.

seq_scan

numeric

Number of sequential scans initiated on the table.

seq_tup_read

numeric

Number of live rows fetched by sequential scans.

idx_scan

numeric

Number of index scans initiated on the table.

idx_tup_fetch

numeric

Number of live rows fetched by index scans.

n_tup_ins

numeric

Number of rows inserted.

n_tup_upd

numeric

Number of rows updated.

n_tup_del

numeric

Number of rows deleted.

n_tup_hot_upd

numeric

Number of HOT updated rows (that is, the number of rows whose index columns are not updated).