STL_REPLACEMENTS

Displays a log that records when invalid UTF-8 characters were replaced by the COPY command with the ACCEPTINVCHARS option. A log entry is added to STL_REPLACEMENTS for each of the first 100 rows on each node slice that required at least one replacement.

This table is visible to all users. Superusers can see all rows; regular users can see only their own data. For more information, see Visibility of data in system tables and views.

Table columns

Column name	Data type	Description
userid	integer	ID of the user who generated the entry.
query	integer	Query ID. The query column can be used to join other system tables and views.
slice	integer	Node slice number where the replacement occurred.
tbl	integer	Table ID.
starttime	timestamp	Start time in UTC for the COPY command.
session	integer	Session ID for the session performing the COPY command.
filename	character(256)	Complete path to the input file for the COPY command.
line_number	bigint	Line number in the input data file that contained an invalid UTF-8 character.
colname	character(127)	First field that contained an invalid UTF-8 character.
raw_line	character(1024)	Raw load data that contained an invalid UTF-8 character.

Sample queries

The following example returns replacements for the most recent COPY operation.

select query, session, filename, line_number, colname
from stl_replacements
where query = pg_last_copy_id();

 query | session |   filename                        | line_number | colname
 ------+---------+-----------------------------------+-------------+--------
    96 |    6314 | s3://mybucket/allusers_pipe.txt   |         251 | city
    96 |    6314 | s3://mybucket/allusers_pipe.txt   |         317 | city
    96 |    6314 | s3://mybucket/allusers_pipe.txt   |         569 | city
    96 |    6314 | s3://mybucket/allusers_pipe.txt   |         623 | city
    96 |    6314 | s3://mybucket/allusers_pipe.txt   |         694 | city
...