Source code editor What Is Ajax
↑
myisam_ftdump displays information about FULLTEXT
indexes in MyISAM
tables. It reads the MyISAM
index file directly, so it must be run on the server host where the table is located
Invoke myisam_ftdump like this:
shell> myisam_ftdump [options
] tbl_name
index_num
The tbl_name
argument should be the name of a MyISAM
table. You can also specify a table by naming its index file (the file with the .MYI
suffix). If you do not invoke myisam_ftdump in the directory where the table files are located, the table or index file name must be preceded by the pathname to the table's database directory. Index numbers begin with 0.
Example: Suppose that the test
database contains a table named mytexttablel
that has the following definition:
CREATE TABLE mytexttable ( id INT NOT NULL, txt TEXT NOT NULL, PRIMARY KEY (id), FULLTEXT (txt) );
The index on id
is index 0 and the FULLTEXT
index on txt
is index 1. If your working directory is the test
database directory, invoke myisam_ftdump as follows:
shell> myisam_ftdump mytexttable 1
If the pathname to the test
database directory is /usr/local/mysql/data/test
, you can also specify the table name argument using that pathname. This is useful if you do not invoke myisam_ftdump in the database directory:
shell> myisam_ftdump /usr/local/mysql/data/test/mytexttable 1
myisam_ftdump understands the following options:
Display a help message and exit.
Calculate per-word statistics (counts and global weights).
Dump the index, including data offsets and word weights.
Report the length distribution.
Report global index statistics. This is the default operation if no other operation is specified.
Verbose mode. Print more output about what the program does.