When encountering the error 2200D: Invalid Escape Octet
in PostgreSQL, the user should immediately check the query or data causing this error. This error often occurs when attempting to insert or manipulate strings that contain escape sequences not recognized by PostgreSQL, particularly when the standard_conforming_strings
setting is off, and the escape string syntax is used improperly.
postgresql.conf
file under the log_directory
parameter. The query that caused the error should be near the 2200D
error code in the logs.\
) that are intended as escape characters. In particular, check if there are octal escape sequences (e.g., \001
) that might be incorrectly formed or out of the expected range.psql
, isolating the problematic part. You can use the E
string prefix to explicitly specify escape string syntax if necessary. For example, if you suspect a string literal is the issue, try:SELECT E'YourStringHere';
YourStringHere
with the actual string from your query, ensuring it’s correctly escaped.\\
) if standard_conforming_strings
is off, or consider turning standard_conforming_strings
on for your session or database to avoid these issues:SET standard_conforming_strings = ON;
Note: These steps assume you have the ability to modify and run queries against your PostgreSQL database and have sufficient permissions to view logs or change session-level settings if necessary.
(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)