SHOW_LOG_FILE

This section applies only to MRS 3.3.0 or later.

Function

This command is used to view the meta and record information in log files.

Syntax

Viewing meta information:
call show_logfile_metadata(table => '[table]', log_file_path_pattern => '[log_file_path_pattern]', limit => '[limit]')
Viewing record information:
call show_logfile_records(table => '[table]', log_file_path_pattern => '[log_file_path_pattern]', merge => '[merge]', limit => '[limit]')

Parameter Description

**Table 1** Parameters
Parameter	Description	Mandatory
table	Name of the table to be queried. The value can be in the database.tablename format.	Yes
log_file_path_pattern	Path of log files. Regular expression matching is supported.	No
merge	When the show_logfile_records command is executed, this parameter is used to control whether to combine records in multiple log files and return them together.	No
limit	Number of returned items	No

Example

call show_logfile_metadata(table => 'hudi_mor', log_file_path_pattern => 'http://hacluster/user/hive/warehouse/hudi_mor/dt=2021-08-28/.*?log.*?');
call show_logfile_records(table => 'hudi_mor', log_file_path_pattern => 'http://hacluster/user/hive/warehouse/hudi_mor/dt=2021-08-28/.*?log.*?', merge => false, limit => 1);