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CREATE TABLE autorecalc (a INT, PRIMARY KEY (a)) ENGINE=INNODB; SELECT n_rows, clustered_index_size FROM mysql.innodb_table_stats WHERE table_name = 'autorecalc'; n_rows 0 clustered_index_size 1 SELECT index_name, stat_name, stat_value FROM mysql.innodb_index_stats WHERE table_name = 'autorecalc'; index_name PRIMARY stat_name n_diff_pfx01 stat_value 0 index_name PRIMARY stat_name n_leaf_pages stat_value 1 index_name PRIMARY stat_name size stat_value 1 INSERT INTO autorecalc VALUES (1); INSERT INTO autorecalc VALUES (2); SELECT n_rows, clustered_index_size FROM mysql.innodb_table_stats WHERE table_name = 'autorecalc'; n_rows 2 clustered_index_size 1 SELECT index_name, stat_name, stat_value FROM mysql.innodb_index_stats WHERE table_name = 'autorecalc'; index_name PRIMARY stat_name n_diff_pfx01 stat_value 2 index_name PRIMARY stat_name n_leaf_pages stat_value 1 index_name PRIMARY stat_name size stat_value 1 DELETE FROM autorecalc; SELECT n_rows, clustered_index_size FROM mysql.innodb_table_stats WHERE table_name = 'autorecalc'; n_rows 0 clustered_index_size 1 SELECT index_name, stat_name, stat_value FROM mysql.innodb_index_stats WHERE table_name = 'autorecalc'; index_name PRIMARY stat_name n_diff_pfx01 stat_value 0 index_name PRIMARY stat_name n_leaf_pages stat_value 1 index_name PRIMARY stat_name size stat_value 1 DROP TABLE autorecalc;