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Merge 10.6 into 10.11
This commit is contained in:
Marko Mäkelä
@ -88,15 +88,142 @@ sel
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]
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set optimizer_trace=@tmp;
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drop table t0,t1,t10;
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set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
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set histogram_size=@save_histogram_size;
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set use_stat_tables= @save_use_stat_tables;
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#
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# End of 10.4 tests
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#
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#
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# MDEV-33314: Crash inside calculate_cond_selectivity_for_table() with many columns
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#
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set optimizer_use_condition_selectivity= 4;
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set use_stat_tables= preferably;
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#
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# create table t1 (col0 int, col1 int, col2 int, ...);
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#
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$create_tbl;
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#
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# insert into t1 select seq, ... seq from seq_1_to_10;
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#
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$insert_cmd;
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analyze table t1 persistent for all;
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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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set @trace_tmp=@@optimizer_trace;
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set optimizer_trace=1;
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#
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# Basic testcase: don't crash for many-column selectivity
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# explain extended select * from t1 where col0>1 and col1>1 and col2>1 and ...
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#
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$query_tbl;
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EXPLAIN
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{
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"query_block": {
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"select_id": 1,
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"nested_loop": [
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{
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"table": {
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"table_name": "t1",
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"access_type": "ALL",
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"rows": 100,
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"filtered": 53.32928848,
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"attached_condition": "t1.col0 > 1 and t1.col1 > 1 and t1.col2 > 1 and t1.col3 > 1 and t1.col4 > 1 and t1.col5 > 1 and t1.col6 > 1 and t1.col7 > 1 and t1.col8 > 1 and t1.col9 > 1 and t1.col10 > 1 and t1.col11 > 1 and t1.col12 > 1 and t1.col13 > 1 and t1.col14 > 1 and t1.col15 > 1 and t1.col16 > 1 and t1.col17 > 1 and t1.col18 > 1 and t1.col19 > 1 and t1.col20 > 1 and t1.col21 > 1 and t1.col22 > 1 and t1.col23 > 1 and t1.col24 > 1 and t1.col25 > 1 and t1.col26 > 1 and t1.col27 > 1 and t1.col28 > 1 and t1.col29 > 1 and t1.col30 > 1 and t1.col31 > 1 and t1.col32 > 1 and t1.col33 > 1 and t1.col34 > 1 and t1.col35 > 1 and t1.col36 > 1 and t1.col37 > 1 and t1.col38 > 1 and t1.col39 > 1 and t1.col40 > 1 and t1.col41 > 1 and t1.col42 > 1 and t1.col43 > 1 and t1.col44 > 1 and t1.col45 > 1 and t1.col46 > 1 and t1.col47 > 1 and t1.col48 > 1 and t1.col49 > 1 and t1.col50 > 1 and t1.col51 > 1 and t1.col52 > 1 and t1.col53 > 1 and t1.col54 > 1 and t1.col55 > 1 and t1.col56 > 1 and t1.col57 > 1 and t1.col58 > 1 and t1.col59 > 1 and t1.col60 > 1 and t1.col61 > 1 and t1.col62 > 1 and t1.col63 > 1 and t1.col64 > 1 and t1.col65 > 1 and t1.col66 > 1 and t1.col67 > 1 and t1.col68 > 1 and t1.col69 > 1 and t1.col70 > 1 and t1.col71 > 1 and t1.col72 > 1 and t1.col73 > 1 and t1.col74 > 1 and t1.col75 > 1 and t1.col76 > 1 and t1.col77 > 1 and t1.col78 > 1 and t1.col79 > 1 and t1.col80 > 1 and t1.col81 > 1 and t1.col82 > 1 and t1.col83 > 1 and t1.col84 > 1 and t1.col85 > 1 and t1.col86 > 1 and t1.col87 > 1 and t1.col88 > 1 and t1.col89 > 1 and t1.col90 > 1 and t1.col91 > 1 and t1.col92 > 1 and t1.col93 > 1 and t1.col94 > 1 and t1.col95 > 1 and t1.col96 > 1 and t1.col97 > 1 and t1.col98 > 1 and t1.col99 > 1 and t1.col100 > 1 and t1.col101 > 1 and t1.col102 > 1 and t1.col103 > 1 and t1.col104 > 1 and t1.col105 > 1 and t1.col106 > 1 and t1.col107 > 1 and t1.col108 > 1 and t1.col109 > 1 and t1.col110 > 1 and t1.col111 > 1 and t1.col112 > 1 and t1.col113 > 1 and t1.col114 > 1 and t1.col115 > 1 and t1.col116 > 1 and t1.col117 > 1 and t1.col118 > 1 and t1.col119 > 1 and t1.col120 > 1 and t1.col121 > 1 and t1.col122 > 1 and t1.col123 > 1 and t1.col124 > 1 and t1.col125 > 1 and t1.col126 > 1 and t1.col127 > 1 and t1.col128 > 1 and t1.col129 > 1 and t1.col130 > 1 and t1.col131 > 1 and t1.col132 > 1 and t1.col133 > 1 and t1.col134 > 1 and t1.col135 > 1 and t1.col136 > 1 and t1.col137 > 1 and t1.col138 > 1 and t1.col139 > 1 and t1.col140 > 1 and t1.col141 > 1 and t1.col142 > 1 and t1.col143 > 1 and t1.col144 > 1 and t1.col145 > 1 and t1.col146 > 1 and t1.col147 > 1 and t1.col148 > 1 and t1.col149 > 1 and t1.col150 > 1 and t1.col151 > 1 and t1.col152 > 1 and t1.col153 > 1 and t1.col154 > 1 and t1.col155 > 1 and t1.col156 > 1 and t1.col157 > 1 and t1.col158 > 1 and t1.col159 > 1"
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}
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}
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]
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}
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}
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select
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json_detailed(json_extract(trace,'$**.selectivity_for_columns[0]')) as JS
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from
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information_schema.optimizer_trace;
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JS
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[
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{
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"column_name": "col0",
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"ranges":
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["1 < col0"],
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"selectivity_from_histogram": 0.996078431
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}
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]
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$query_tbl;
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EXPLAIN
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{
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"query_block": {
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"select_id": 1,
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"nested_loop": [
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{
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"table": {
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"table_name": "t1",
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"access_type": "ALL",
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"rows": 100,
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"filtered": 53.32928848,
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"attached_condition": "t1.col0 > 1 and t1.col1 > 1 and t1.col2 > 1 and t1.col3 > 1 and t1.col4 > 1 and t1.col5 > 1 and t1.col6 > 1 and t1.col7 > 1 and t1.col8 > 1 and t1.col9 > 1 and t1.col10 > 1 and t1.col11 > 1 and t1.col12 > 1 and t1.col13 > 1 and t1.col14 > 1 and t1.col15 > 1 and t1.col16 > 1 and t1.col17 > 1 and t1.col18 > 1 and t1.col19 > 1 and t1.col20 > 1 and t1.col21 > 1 and t1.col22 > 1 and t1.col23 > 1 and t1.col24 > 1 and t1.col25 > 1 and t1.col26 > 1 and t1.col27 > 1 and t1.col28 > 1 and t1.col29 > 1 and t1.col30 > 1 and t1.col31 > 1 and t1.col32 > 1 and t1.col33 > 1 and t1.col34 > 1 and t1.col35 > 1 and t1.col36 > 1 and t1.col37 > 1 and t1.col38 > 1 and t1.col39 > 1 and t1.col40 > 1 and t1.col41 > 1 and t1.col42 > 1 and t1.col43 > 1 and t1.col44 > 1 and t1.col45 > 1 and t1.col46 > 1 and t1.col47 > 1 and t1.col48 > 1 and t1.col49 > 1 and t1.col50 > 1 and t1.col51 > 1 and t1.col52 > 1 and t1.col53 > 1 and t1.col54 > 1 and t1.col55 > 1 and t1.col56 > 1 and t1.col57 > 1 and t1.col58 > 1 and t1.col59 > 1 and t1.col60 > 1 and t1.col61 > 1 and t1.col62 > 1 and t1.col63 > 1 and t1.col64 > 1 and t1.col65 > 1 and t1.col66 > 1 and t1.col67 > 1 and t1.col68 > 1 and t1.col69 > 1 and t1.col70 > 1 and t1.col71 > 1 and t1.col72 > 1 and t1.col73 > 1 and t1.col74 > 1 and t1.col75 > 1 and t1.col76 > 1 and t1.col77 > 1 and t1.col78 > 1 and t1.col79 > 1 and t1.col80 > 1 and t1.col81 > 1 and t1.col82 > 1 and t1.col83 > 1 and t1.col84 > 1 and t1.col85 > 1 and t1.col86 > 1 and t1.col87 > 1 and t1.col88 > 1 and t1.col89 > 1 and t1.col90 > 1 and t1.col91 > 1 and t1.col92 > 1 and t1.col93 > 1 and t1.col94 > 1 and t1.col95 > 1 and t1.col96 > 1 and t1.col97 > 1 and t1.col98 > 1 and t1.col99 > 1 and t1.col100 > 1 and t1.col101 > 1 and t1.col102 > 1 and t1.col103 > 1 and t1.col104 > 1 and t1.col105 > 1 and t1.col106 > 1 and t1.col107 > 1 and t1.col108 > 1 and t1.col109 > 1 and t1.col110 > 1 and t1.col111 > 1 and t1.col112 > 1 and t1.col113 > 1 and t1.col114 > 1 and t1.col115 > 1 and t1.col116 > 1 and t1.col117 > 1 and t1.col118 > 1 and t1.col119 > 1 and t1.col120 > 1 and t1.col121 > 1 and t1.col122 > 1 and t1.col123 > 1 and t1.col124 > 1 and t1.col125 > 1 and t1.col126 > 1 and t1.col127 > 1 and t1.col128 > 1 and t1.col129 > 1 and t1.col130 > 1 and t1.col131 > 1 and t1.col132 > 1 and t1.col133 > 1 and t1.col134 > 1 and t1.col135 > 1 and t1.col136 > 1 and t1.col137 > 1 and t1.col138 > 1 and t1.col139 > 1 and t1.col140 > 1 and t1.col141 > 1 and t1.col142 > 1 and t1.col143 > 1 and t1.col144 > 1 and t1.col145 > 1 and t1.col146 > 1 and t1.col147 > 1 and t1.col148 > 1 and t1.col149 > 1 and t1.col150 > 1 and t1.col151 > 1 and t1.col152 > 1 and t1.col153 > 1 and t1.col154 > 1 and t1.col155 > 1 and t1.col156 > 1 and t1.col157 > 1 and t1.col158 > 1 and t1.col159 > 1"
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}
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}
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]
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}
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}
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select
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json_detailed(json_extract(trace,'$**.selectivity_for_columns[159]')) as JS
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from
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information_schema.optimizer_trace;
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JS
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[
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{
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"column_name": "col159",
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"ranges":
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["1 < col159"],
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"selectivity_from_histogram": 0.996078431
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}
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]
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#
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# Check if not being able to infer anything for the first MAX_KEY
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# columns doesn't prevent further inferences.
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#
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# explain extended select * from t1
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# where (1>2 or col0>1 or col1>1 or ...) and col99>1
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#
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$query_tbl;
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EXPLAIN
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{
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"query_block": {
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"select_id": 1,
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"nested_loop": [
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{
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"table": {
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"table_name": "t1",
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"access_type": "ALL",
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"rows": 100,
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"filtered": 99.60784149,
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"attached_condition": "(t1.col1 > 1 or t1.col2 > 1 or t1.col3 > 1 or t1.col4 > 1 or t1.col5 > 1 or t1.col6 > 1 or t1.col7 > 1 or t1.col8 > 1 or t1.col9 > 1 or t1.col10 > 1 or t1.col11 > 1 or t1.col12 > 1 or t1.col13 > 1 or t1.col14 > 1 or t1.col15 > 1 or t1.col16 > 1 or t1.col17 > 1 or t1.col18 > 1 or t1.col19 > 1 or t1.col20 > 1 or t1.col21 > 1 or t1.col22 > 1 or t1.col23 > 1 or t1.col24 > 1 or t1.col25 > 1 or t1.col26 > 1 or t1.col27 > 1 or t1.col28 > 1 or t1.col29 > 1 or t1.col30 > 1 or t1.col31 > 1 or t1.col32 > 1 or t1.col33 > 1 or t1.col34 > 1 or t1.col35 > 1 or t1.col36 > 1 or t1.col37 > 1 or t1.col38 > 1 or t1.col39 > 1 or t1.col40 > 1 or t1.col41 > 1 or t1.col42 > 1 or t1.col43 > 1 or t1.col44 > 1 or t1.col45 > 1 or t1.col46 > 1 or t1.col47 > 1 or t1.col48 > 1 or t1.col49 > 1 or t1.col50 > 1 or t1.col51 > 1 or t1.col52 > 1 or t1.col53 > 1 or t1.col54 > 1 or t1.col55 > 1 or t1.col56 > 1 or t1.col57 > 1 or t1.col58 > 1 or t1.col59 > 1 or t1.col60 > 1 or t1.col61 > 1 or t1.col62 > 1 or t1.col63 > 1 or t1.col64 > 1 or t1.col65 > 1 or t1.col66 > 1 or t1.col67 > 1 or t1.col68 > 1 or t1.col69 > 1 or t1.col70 > 1 or t1.col71 > 1 or t1.col72 > 1 or t1.col73 > 1 or t1.col74 > 1 or t1.col75 > 1 or t1.col76 > 1 or t1.col77 > 1 or t1.col78 > 1 or t1.col79 > 1 or t1.col80 > 1 or t1.col81 > 1 or t1.col82 > 1 or t1.col83 > 1 or t1.col84 > 1 or t1.col85 > 1 or t1.col86 > 1 or t1.col87 > 1 or t1.col88 > 1 or t1.col89 > 1 or t1.col90 > 1 or t1.col91 > 1 or t1.col92 > 1 or t1.col93 > 1 or t1.col94 > 1 or t1.col95 > 1 or t1.col96 > 1 or t1.col97 > 1 or t1.col98 > 1 or t1.col99 > 1 or t1.col100 > 1 or t1.col101 > 1 or t1.col102 > 1 or t1.col103 > 1 or t1.col104 > 1 or t1.col105 > 1 or t1.col106 > 1 or t1.col107 > 1 or t1.col108 > 1 or t1.col109 > 1 or t1.col110 > 1 or t1.col111 > 1 or t1.col112 > 1 or t1.col113 > 1 or t1.col114 > 1 or t1.col115 > 1 or t1.col116 > 1 or t1.col117 > 1 or t1.col118 > 1 or t1.col119 > 1 or t1.col120 > 1 or t1.col121 > 1 or t1.col122 > 1 or t1.col123 > 1 or t1.col124 > 1 or t1.col125 > 1 or t1.col126 > 1 or t1.col127 > 1 or t1.col128 > 1 or t1.col129 > 1 or t1.col130 > 1 or t1.col131 > 1 or t1.col132 > 1 or t1.col133 > 1 or t1.col134 > 1 or t1.col135 > 1 or t1.col136 > 1 or t1.col137 > 1 or t1.col138 > 1 or t1.col139 > 1 or t1.col140 > 1 or t1.col141 > 1 or t1.col142 > 1 or t1.col143 > 1 or t1.col144 > 1 or t1.col145 > 1 or t1.col146 > 1 or t1.col147 > 1 or t1.col148 > 1 or t1.col149 > 1 or t1.col150 > 1 or t1.col151 > 1 or t1.col152 > 1 or t1.col153 > 1 or t1.col154 > 1 or t1.col155 > 1 or t1.col156 > 1 or t1.col157 > 1 or t1.col158 > 1) and t1.col159 > 1"
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}
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}
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]
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}
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}
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select
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json_detailed(json_extract(trace,'$**.selectivity_for_columns')) as JS
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from
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information_schema.optimizer_trace;
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JS
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[
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[
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{
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"column_name": "col159",
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"ranges":
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["1 < col159"],
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"selectivity_from_histogram": 0.996078431
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}
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]
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]
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set optimizer_trace=@trace_tmp;
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drop table t1;
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#
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# Clean up
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#
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set optimizer_use_condition_selectivity= @save_optimizer_use_condition_selectivity;
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set use_stat_tables= @save_use_stat_tables;
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set @@global.histogram_size=@save_histogram_size;
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set optimizer_switch=@save_optimizer_switch_for_selectivity_test;
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SET SESSION STORAGE_ENGINE=DEFAULT;
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