Controls which SQL statements are logged. Valid values are
all (all statements).
ddl logs all data definition statements, such as CREATE, ALTER, and DROP statements.
mod logs all
ddl statements, plus data-modifying statements such as INSERT, UPDATE, DELETE, TRUNCATE, and COPY FROM. PREPARE, EXECUTE, and EXPLAIN ANALYZE statements are also logged if their contained command is of an appropriate type. For clients using extended query protocol, logging occurs when an Execute message is received, and values of the Bind parameters are included (with any embedded single-quote marks doubled).
The default is
none. Only superusers can change this setting.
Statements that contain simple syntax errors are not logged even by the
all setting, because the log message is emitted only after basic parsing has been done to determine the statement type. In the case of extended query protocol, this setting likewise does not log statements that fail before the Execute phase (i.e., during parse analysis or planning). Set log_min_error_statement to
ERROR (or lower) to log such statements.
- Re: query logging of prepared statements
- Re: log bind parameter values on error
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