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| author | Igor Babaev <igor@askmonty.org> | 2013-03-30 18:57:07 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2013-03-30 18:57:07 -0700 |
| commit | 9e1ca1053b5e619e1f6c727abdf787dc163ab4e6 (patch) | |
| tree | e8c3a439fd6c693e9035bc699eeb0c27d912b272 /scripts | |
| parent | e59e529635f5a033aff905e95a901b17fe0f9833 (diff) | |
| download | mariadb-git-9e1ca1053b5e619e1f6c727abdf787dc163ab4e6.tar.gz | |
Added the type of histogram for mwl #253.
Introduced double precision height-balanced histograms.
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/mysql_system_tables.sql | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/mysql_system_tables.sql b/scripts/mysql_system_tables.sql index 6a54f339cd0..9872da88cff 100644 --- a/scripts/mysql_system_tables.sql +++ b/scripts/mysql_system_tables.sql @@ -108,6 +108,6 @@ set @had_proxies_priv_table= @@warning_count != 0; CREATE TABLE IF NOT EXISTS table_stats (db_name varchar(64) NOT NULL, table_name varchar(64) NOT NULL, cardinality bigint(21) unsigned DEFAULT NULL, PRIMARY KEY (db_name,table_name) ) ENGINE=MyISAM CHARACTER SET utf8 COLLATE utf8_bin comment='Statistics on Tables'; -CREATE TABLE IF NOT EXISTS column_stats (db_name varchar(64) NOT NULL, table_name varchar(64) NOT NULL, column_name varchar(64) NOT NULL, min_value varchar(255) DEFAULT NULL, max_value varchar(255) DEFAULT NULL, nulls_ratio decimal(12,4) DEFAULT NULL, avg_length decimal(12,4) DEFAULT NULL, avg_frequency decimal(12,4) DEFAULT NULL, hist_size tinyint unsigned, histogram varbinary(255), PRIMARY KEY (db_name,table_name,column_name) ) ENGINE=MyISAM CHARACTER SET utf8 COLLATE utf8_bin comment='Statistics on Columns'; +CREATE TABLE IF NOT EXISTS column_stats (db_name varchar(64) NOT NULL, table_name varchar(64) NOT NULL, column_name varchar(64) NOT NULL, min_value varchar(255) DEFAULT NULL, max_value varchar(255) DEFAULT NULL, nulls_ratio decimal(12,4) DEFAULT NULL, avg_length decimal(12,4) DEFAULT NULL, avg_frequency decimal(12,4) DEFAULT NULL, hist_size tinyint unsigned, hist_type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB'), histogram varbinary(255), PRIMARY KEY (db_name,table_name,column_name) ) ENGINE=MyISAM CHARACTER SET utf8 COLLATE utf8_bin comment='Statistics on Columns'; CREATE TABLE IF NOT EXISTS index_stats (db_name varchar(64) NOT NULL, table_name varchar(64) NOT NULL, index_name varchar(64) NOT NULL, prefix_arity int(11) unsigned NOT NULL, avg_frequency decimal(12,4) DEFAULT NULL, PRIMARY KEY (db_name,table_name,index_name,prefix_arity) ) ENGINE=MyISAM CHARACTER SET utf8 COLLATE utf8_bin comment='Statistics on Indexes'; |