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MDEV-15253: Default optimizer setting changes for MariaDB 10.4
use_stat_tables= PREFERABLY optimizer_use_condition_selectivity= 4
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@ -676,6 +676,7 @@ insert into t1 values (0),(1),(2),(3),(4);
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insert into t1 select NULL from t1;
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
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@ -696,6 +697,7 @@ insert into t1 values (11);
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delete from t1 where a=11;
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
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@ -707,7 +709,7 @@ Table Op Msg_type Msg_text
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test.t1 check status OK
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
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t1 1 a 1 a A 5 NULL NULL YES BTREE
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t1 1 a 1 a A 10 NULL NULL YES BTREE
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set myisam_stats_method=DEFAULT;
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show variables like 'myisam_stats_method';
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Variable_name Value
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@ -716,6 +718,7 @@ insert into t1 values (11);
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delete from t1 where a=11;
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
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@ -743,6 +746,7 @@ insert into t1 values ('bce','def1', 'yuu', NULL);
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insert into t1 values ('bce','def2', NULL, 'quux');
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
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@ -753,6 +757,7 @@ t1 1 a 4 d A 4 NULL NULL YES BTREE
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delete from t1;
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
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@ -1801,6 +1806,7 @@ create table t1 (a int, key(a));
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insert into t1 values (1),(2),(3),(4),(NULL),(NULL),(NULL),(NULL);
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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show keys from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
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