EVOLUTION-MANAGER

Edit File: card_scale_percent.result

analyze table tt; Table Op Msg_type Msg_text test.tt analyze status OK set global tokudb_cardinality_scale_percent = 10; show indexes from tt; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment tt 0 PRIMARY 1 a A 4000 NULL NULL BTREE tt 1 b 1 b A 4000 NULL NULL YES BTREE tt 1 c 1 c A 4000 NULL NULL YES BTREE tt 1 d 1 d A 4000 NULL NULL YES BTREE set global tokudb_cardinality_scale_percent = 50; show indexes from tt; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment tt 0 PRIMARY 1 a A 4000 NULL NULL BTREE tt 1 b 1 b A 4000 NULL NULL YES BTREE tt 1 c 1 c A 4000 NULL NULL YES BTREE tt 1 d 1 d A 2000 NULL NULL YES BTREE set global tokudb_cardinality_scale_percent = 100; show indexes from tt; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment tt 0 PRIMARY 1 a A 4000 NULL NULL BTREE tt 1 b 1 b A 4000 NULL NULL YES BTREE tt 1 c 1 c A 2000 NULL NULL YES BTREE tt 1 d 1 d A 1000 NULL NULL YES BTREE set global tokudb_cardinality_scale_percent = 200; Warnings: Warning 1292 Truncated incorrect tokudb_cardinality_scale_percent value: '200' show indexes from tt; Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment tt 0 PRIMARY 1 a A 4000 NULL NULL BTREE tt 1 b 1 b A 4000 NULL NULL YES BTREE tt 1 c 1 c A 2000 NULL NULL YES BTREE tt 1 d 1 d A 1000 NULL NULL YES BTREE