999a8412bb
log_statement_max_length limits the statement text logged by log_statement and duration logging. However, the prepared statement shown in the DETAIL message for EXECUTE was still logged in full, allowing very large prepared queries to bypass the limit. Apply the same truncation to the prepared statement text in errdetail_execute(), making the setting behave consistently across the main log message and its associated DETAIL output. Also append an ellipsis to truncated statement text so users can easily tell when truncation has occurred. With this change, a limit of zero logs only the ellipsis, indicating that the entire statement text was truncated. Finally, avoid scanning the entire query string just to determine whether truncation is needed. Use strnlen() with sufficient lookahead for multibyte character handling, then use pg_mbcliplen() to ensure truncation never splits a multibyte character. Author: Jim Jones <jim.jones@uni-muenster.de> Reviewed-by: Fujii Masao <masao.fujii@gmail.com> Discussion: https://postgr.es/m/CAHGQGwFOV+7nOdfoO=kfVH=-fRA9aQE1YcHHLYty3nfQ9rQ4RA@mail.gmail.com |
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PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.