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1
by brian
clean slate |
1 |
drop table if exists t1,t2,t3,t4,t5,t6,t7;
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2 |
create table t1 (
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3 |
c11 integer,c12 integer,c13 integer,c14 integer,c15 integer,c16 integer,
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4 |
primary key (c11)
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5 |
);
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6 |
create table t2 (
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7 |
c21 integer,c22 integer,c23 integer,c24 integer,c25 integer,c26 integer
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8 |
);
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9 |
create table t3 (
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10 |
c31 integer,c32 integer,c33 integer,c34 integer,c35 integer,c36 integer,
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11 |
primary key (c31)
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12 |
);
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13 |
create table t4 (
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14 |
c41 integer,c42 integer,c43 integer,c44 integer,c45 integer,c46 integer
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15 |
);
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16 |
create table t5 (
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17 |
c51 integer,c52 integer,c53 integer,c54 integer,c55 integer,c56 integer,
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primary key (c51)
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);
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20 |
create table t6 (
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21 |
c61 integer,c62 integer,c63 integer,c64 integer,c65 integer,c66 integer
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22 |
);
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23 |
create table t7 (
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24 |
c71 integer,c72 integer,c73 integer,c74 integer,c75 integer,c76 integer,
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25 |
primary key (c71)
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26 |
);
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27 |
insert into t1 values (1,2,3,4,5,6);
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28 |
insert into t1 values (2,2,3,4,5,6);
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29 |
insert into t1 values (3,2,3,4,5,6);
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30 |
insert into t2 values (1,2,3,4,5,6);
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31 |
insert into t2 values (2,2,3,4,5,6);
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32 |
insert into t2 values (3,2,3,4,5,6);
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33 |
insert into t2 values (4,2,3,4,5,6);
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34 |
insert into t2 values (5,2,3,4,5,6);
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35 |
insert into t2 values (6,2,3,4,5,6);
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36 |
insert into t3 values (1,2,3,4,5,6);
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37 |
insert into t3 values (2,2,3,4,5,6);
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38 |
insert into t3 values (3,2,3,4,5,6);
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39 |
insert into t3 values (4,2,3,4,5,6);
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40 |
insert into t3 values (5,2,3,4,5,6);
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41 |
insert into t3 values (6,2,3,4,5,6);
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42 |
insert into t3 values (7,2,3,4,5,6);
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43 |
insert into t3 values (8,2,3,4,5,6);
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44 |
insert into t3 values (9,2,3,4,5,6);
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45 |
insert into t4 values (1,2,3,4,5,6);
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46 |
insert into t4 values (2,2,3,4,5,6);
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47 |
insert into t4 values (3,2,3,4,5,6);
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48 |
insert into t4 values (4,2,3,4,5,6);
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49 |
insert into t4 values (5,2,3,4,5,6);
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50 |
insert into t4 values (6,2,3,4,5,6);
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51 |
insert into t4 values (7,2,3,4,5,6);
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52 |
insert into t4 values (8,2,3,4,5,6);
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53 |
insert into t4 values (9,2,3,4,5,6);
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54 |
insert into t4 values (10,2,3,4,5,6);
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55 |
insert into t4 values (11,2,3,4,5,6);
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56 |
insert into t4 values (12,2,3,4,5,6);
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57 |
insert into t5 values (1,2,3,4,5,6);
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58 |
insert into t5 values (2,2,3,4,5,6);
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59 |
insert into t5 values (3,2,3,4,5,6);
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60 |
insert into t5 values (4,2,3,4,5,6);
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61 |
insert into t5 values (5,2,3,4,5,6);
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62 |
insert into t5 values (6,2,3,4,5,6);
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63 |
insert into t5 values (7,2,3,4,5,6);
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64 |
insert into t5 values (8,2,3,4,5,6);
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65 |
insert into t5 values (9,2,3,4,5,6);
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66 |
insert into t5 values (10,2,3,4,5,6);
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67 |
insert into t5 values (11,2,3,4,5,6);
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68 |
insert into t5 values (12,2,3,4,5,6);
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69 |
insert into t5 values (13,2,3,4,5,6);
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70 |
insert into t5 values (14,2,3,4,5,6);
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71 |
insert into t5 values (15,2,3,4,5,6);
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72 |
insert into t6 values (1,2,3,4,5,6);
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73 |
insert into t6 values (2,2,3,4,5,6);
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74 |
insert into t6 values (3,2,3,4,5,6);
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75 |
insert into t6 values (4,2,3,4,5,6);
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76 |
insert into t6 values (5,2,3,4,5,6);
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77 |
insert into t6 values (6,2,3,4,5,6);
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78 |
insert into t6 values (7,2,3,4,5,6);
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79 |
insert into t6 values (8,2,3,4,5,6);
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80 |
insert into t6 values (9,2,3,4,5,6);
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81 |
insert into t6 values (10,2,3,4,5,6);
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82 |
insert into t6 values (11,2,3,4,5,6);
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83 |
insert into t6 values (12,2,3,4,5,6);
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84 |
insert into t6 values (13,2,3,4,5,6);
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85 |
insert into t6 values (14,2,3,4,5,6);
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86 |
insert into t6 values (15,2,3,4,5,6);
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87 |
insert into t6 values (16,2,3,4,5,6);
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88 |
insert into t6 values (17,2,3,4,5,6);
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89 |
insert into t6 values (18,2,3,4,5,6);
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90 |
insert into t7 values (1,2,3,4,5,6);
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91 |
insert into t7 values (2,2,3,4,5,6);
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92 |
insert into t7 values (3,2,3,4,5,6);
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93 |
insert into t7 values (4,2,3,4,5,6);
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94 |
insert into t7 values (5,2,3,4,5,6);
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95 |
insert into t7 values (6,2,3,4,5,6);
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96 |
insert into t7 values (7,2,3,4,5,6);
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97 |
insert into t7 values (8,2,3,4,5,6);
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98 |
insert into t7 values (9,2,3,4,5,6);
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99 |
insert into t7 values (10,2,3,4,5,6);
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100 |
insert into t7 values (11,2,3,4,5,6);
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101 |
insert into t7 values (12,2,3,4,5,6);
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102 |
insert into t7 values (13,2,3,4,5,6);
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103 |
insert into t7 values (14,2,3,4,5,6);
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104 |
insert into t7 values (15,2,3,4,5,6);
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105 |
insert into t7 values (16,2,3,4,5,6);
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106 |
insert into t7 values (17,2,3,4,5,6);
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107 |
insert into t7 values (18,2,3,4,5,6);
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108 |
insert into t7 values (19,2,3,4,5,6);
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109 |
insert into t7 values (20,2,3,4,5,6);
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110 |
insert into t7 values (21,2,3,4,5,6);
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111 |
select @@optimizer_search_depth;
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112 |
@@optimizer_search_depth
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1108.6.48
by Padraig O'Sullivan
Forgot to update the result file for the greedy optimizer test case. It is |
113 |
0
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1
by brian
clean slate |
114 |
select @@optimizer_prune_level;
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115 |
@@optimizer_prune_level
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116 |
1
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117 |
set optimizer_search_depth=63;
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118 |
select @@optimizer_search_depth;
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119 |
@@optimizer_search_depth
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120 |
63
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121 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
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122 |
id select_type table type possible_keys key key_len ref rows Extra
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123 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
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124 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
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125 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
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126 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
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127 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
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128 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
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129 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
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130 |
show status like 'Last_query_cost';
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131 |
Variable_name Value
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1273.16.1
by Brian Aker
More removal of show code. |
132 |
Last_query_cost #
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1
by brian
clean slate |
133 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
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134 |
id select_type table type possible_keys key key_len ref rows Extra
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135 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
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136 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
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137 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
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138 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
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139 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
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140 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
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141 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
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142 |
show status like 'Last_query_cost';
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143 |
Variable_name Value
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1273.16.1
by Brian Aker
More removal of show code. |
144 |
Last_query_cost #
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1
by brian
clean slate |
145 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
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146 |
id select_type table type possible_keys key key_len ref rows Extra
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147 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
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148 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
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149 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
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150 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
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151 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
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152 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
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153 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
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154 |
show status like 'Last_query_cost';
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155 |
Variable_name Value
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1273.16.1
by Brian Aker
More removal of show code. |
156 |
Last_query_cost #
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1
by brian
clean slate |
157 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
158 |
id select_type table type possible_keys key key_len ref rows Extra
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159 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
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160 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
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161 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
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162 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
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163 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
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164 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
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165 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
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166 |
show status like 'Last_query_cost';
|
|
167 |
Variable_name Value
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|
1273.16.1
by Brian Aker
More removal of show code. |
168 |
Last_query_cost #
|
|
1
by brian
clean slate |
169 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
170 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
171 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
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172 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
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|
173 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
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|
174 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
175 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
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176 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
177 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
178 |
show status like 'Last_query_cost';
|
|
179 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
180 |
Last_query_cost #
|
|
1
by brian
clean slate |
181 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
182 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
183 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
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184 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
185 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
|
|
186 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
187 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
188 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
189 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
190 |
show status like 'Last_query_cost';
|
|
191 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
192 |
Last_query_cost #
|
|
1
by brian
clean slate |
193 |
set optimizer_prune_level=0;
|
194 |
select @@optimizer_prune_level;
|
|
195 |
@@optimizer_prune_level
|
|
196 |
0
|
|
197 |
set optimizer_search_depth=0;
|
|
198 |
select @@optimizer_search_depth;
|
|
199 |
@@optimizer_search_depth
|
|
200 |
0
|
|
201 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
|
202 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
203 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
204 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
205 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
206 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
207 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
208 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
209 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
210 |
show status like 'Last_query_cost';
|
|
211 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
212 |
Last_query_cost #
|
|
1
by brian
clean slate |
213 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
214 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
215 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
216 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
217 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
218 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
219 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
220 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
221 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
222 |
show status like 'Last_query_cost';
|
|
223 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
224 |
Last_query_cost #
|
|
1
by brian
clean slate |
225 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
226 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
227 |
1 # t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where
|
|
1273.16.1
by Brian Aker
More removal of show code. |
228 |
1 # t2 ALL NULL NULL NULL NULL 6
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
229 |
1 # t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
1273.16.1
by Brian Aker
More removal of show code. |
230 |
1 # t4 ALL NULL NULL NULL NULL 12 Using join buffer
|
231 |
1 # t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
232 |
1 # t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
233 |
1 # t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
|
1
by brian
clean slate |
234 |
show status like 'Last_query_cost';
|
235 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
236 |
Last_query_cost #
|
|
1
by brian
clean slate |
237 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
238 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
239 |
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where
|
|
1
by brian
clean slate |
240 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
241 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
1
by brian
clean slate |
242 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using join buffer
|
243 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
244 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
245 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
246 |
show status like 'Last_query_cost';
|
|
247 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
248 |
Last_query_cost #
|
|
1
by brian
clean slate |
249 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
250 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
251 |
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where
|
|
1
by brian
clean slate |
252 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
253 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
|
|
1
by brian
clean slate |
254 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
255 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
256 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
257 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
258 |
show status like 'Last_query_cost';
|
|
259 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
260 |
Last_query_cost #
|
|
1
by brian
clean slate |
261 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
262 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
263 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6
|
|
264 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
265 |
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where
|
|
266 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
|
|
267 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
268 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
269 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
270 |
show status like 'Last_query_cost';
|
|
271 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
272 |
Last_query_cost #
|
|
1
by brian
clean slate |
273 |
set optimizer_search_depth=1;
|
274 |
select @@optimizer_search_depth;
|
|
275 |
@@optimizer_search_depth
|
|
276 |
1
|
|
277 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
|
278 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
279 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
280 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
281 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
282 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
283 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
284 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
285 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
286 |
show status like 'Last_query_cost';
|
|
287 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
288 |
Last_query_cost #
|
|
1
by brian
clean slate |
289 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
290 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
291 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
292 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
293 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
294 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
295 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
296 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
297 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
298 |
show status like 'Last_query_cost';
|
|
299 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
300 |
Last_query_cost #
|
|
1
by brian
clean slate |
301 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
302 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
303 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
304 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
1
by brian
clean slate |
305 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
306 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
1
by brian
clean slate |
307 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
308 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
1
by brian
clean slate |
309 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
310 |
show status like 'Last_query_cost';
|
|
311 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
312 |
Last_query_cost #
|
|
1
by brian
clean slate |
313 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
314 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
315 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
316 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
317 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
318 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
319 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
320 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
321 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
322 |
show status like 'Last_query_cost';
|
|
323 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
324 |
Last_query_cost #
|
|
1
by brian
clean slate |
325 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
326 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
327 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
328 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
1
by brian
clean slate |
329 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
330 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
1
by brian
clean slate |
331 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
332 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
1
by brian
clean slate |
333 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
334 |
show status like 'Last_query_cost';
|
|
335 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
336 |
Last_query_cost #
|
|
1
by brian
clean slate |
337 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
338 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
339 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
340 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1
|
|
341 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
342 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
343 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
344 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
345 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
346 |
show status like 'Last_query_cost';
|
|
347 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
348 |
Last_query_cost #
|
|
1
by brian
clean slate |
349 |
set optimizer_search_depth=62;
|
350 |
select @@optimizer_search_depth;
|
|
351 |
@@optimizer_search_depth
|
|
352 |
62
|
|
353 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
|
354 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
355 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
356 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
357 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
358 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
359 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
360 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
361 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
362 |
show status like 'Last_query_cost';
|
|
363 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
364 |
Last_query_cost #
|
|
1
by brian
clean slate |
365 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
366 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
367 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
368 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
369 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
370 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
371 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
372 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
373 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
374 |
show status like 'Last_query_cost';
|
|
375 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
376 |
Last_query_cost #
|
|
1
by brian
clean slate |
377 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
378 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
379 |
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where
|
|
1
by brian
clean slate |
380 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
381 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
1
by brian
clean slate |
382 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using join buffer
|
383 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
384 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
385 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
386 |
show status like 'Last_query_cost';
|
|
387 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
388 |
Last_query_cost #
|
|
1
by brian
clean slate |
389 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
390 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
391 |
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where
|
|
1
by brian
clean slate |
392 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
393 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
1
by brian
clean slate |
394 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using join buffer
|
395 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
396 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
397 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
398 |
show status like 'Last_query_cost';
|
|
399 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
400 |
Last_query_cost #
|
|
1
by brian
clean slate |
401 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
402 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
403 |
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where
|
|
1
by brian
clean slate |
404 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
405 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
|
|
1
by brian
clean slate |
406 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
407 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
408 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
409 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
410 |
show status like 'Last_query_cost';
|
|
411 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
412 |
Last_query_cost #
|
|
1
by brian
clean slate |
413 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
414 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
415 |
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.c21 1 Using where
|
|
1
by brian
clean slate |
416 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6
|
|
1718.2.1
by Lee Bieber
For the feature request (https://blueprints.launchpad.net/drizzle/+spec/limit-maximum-sort-size) |
417 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
|
|
1
by brian
clean slate |
418 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
419 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
420 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
421 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
422 |
show status like 'Last_query_cost';
|
|
423 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
424 |
Last_query_cost #
|
|
1
by brian
clean slate |
425 |
set optimizer_prune_level=1;
|
426 |
select @@optimizer_prune_level;
|
|
427 |
@@optimizer_prune_level
|
|
428 |
1
|
|
429 |
set optimizer_search_depth=0;
|
|
430 |
select @@optimizer_search_depth;
|
|
431 |
@@optimizer_search_depth
|
|
432 |
0
|
|
433 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
|
434 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
435 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
436 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
437 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
438 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
439 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
440 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
441 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
442 |
show status like 'Last_query_cost';
|
|
443 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
444 |
Last_query_cost #
|
|
1
by brian
clean slate |
445 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
446 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
447 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
448 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
449 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
450 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
451 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
452 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
453 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
454 |
show status like 'Last_query_cost';
|
|
455 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
456 |
Last_query_cost #
|
|
1
by brian
clean slate |
457 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
458 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
459 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
460 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
461 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
462 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
463 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
464 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
465 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
466 |
show status like 'Last_query_cost';
|
|
467 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
468 |
Last_query_cost #
|
|
1
by brian
clean slate |
469 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
470 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
471 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
472 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
473 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
474 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
475 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
476 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
477 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
478 |
show status like 'Last_query_cost';
|
|
479 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
480 |
Last_query_cost #
|
|
1
by brian
clean slate |
481 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
482 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
483 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
484 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
485 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
|
|
486 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
487 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
488 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
489 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
490 |
show status like 'Last_query_cost';
|
|
491 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
492 |
Last_query_cost #
|
|
1
by brian
clean slate |
493 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
494 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
495 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
496 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
497 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
|
|
498 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
499 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
500 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
501 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
502 |
show status like 'Last_query_cost';
|
|
503 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
504 |
Last_query_cost #
|
|
1
by brian
clean slate |
505 |
set optimizer_search_depth=1;
|
506 |
select @@optimizer_search_depth;
|
|
507 |
@@optimizer_search_depth
|
|
508 |
1
|
|
509 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
|
510 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
511 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
512 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
513 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
514 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
515 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
516 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
517 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
518 |
show status like 'Last_query_cost';
|
|
519 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
520 |
Last_query_cost #
|
|
1
by brian
clean slate |
521 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
522 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
523 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
524 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
525 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
526 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
527 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
528 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
529 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
530 |
show status like 'Last_query_cost';
|
|
531 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
532 |
Last_query_cost #
|
|
1
by brian
clean slate |
533 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
534 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
535 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
536 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
537 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
538 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
539 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
540 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
541 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
542 |
show status like 'Last_query_cost';
|
|
543 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
544 |
Last_query_cost #
|
|
1
by brian
clean slate |
545 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
546 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
547 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
548 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
549 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
550 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
551 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
552 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
553 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
554 |
show status like 'Last_query_cost';
|
|
555 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
556 |
Last_query_cost #
|
|
1
by brian
clean slate |
557 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
558 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
559 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
560 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1
|
|
561 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
562 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
563 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
564 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
565 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
566 |
show status like 'Last_query_cost';
|
|
567 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
568 |
Last_query_cost #
|
|
1
by brian
clean slate |
569 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
570 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
571 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
572 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1
|
|
573 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
574 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
575 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
576 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
577 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
578 |
show status like 'Last_query_cost';
|
|
579 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
580 |
Last_query_cost #
|
|
1
by brian
clean slate |
581 |
set optimizer_search_depth=62;
|
582 |
select @@optimizer_search_depth;
|
|
583 |
@@optimizer_search_depth
|
|
584 |
62
|
|
585 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
|
586 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
587 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
588 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
589 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
590 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
591 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
592 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
593 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
594 |
show status like 'Last_query_cost';
|
|
595 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
596 |
Last_query_cost #
|
|
1
by brian
clean slate |
597 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c12 = t2.c21 and t2.c22 = t3.c31 and t3.c32 = t4.c41 and t4.c42 = t5.c51 and t5.c52 = t6.c61 and t6.c62 = t7.c71;
|
598 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
599 |
1 SIMPLE t1 ALL NULL NULL NULL NULL 3
|
|
600 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
601 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t2.c22 1
|
|
602 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
603 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t4.c42 1
|
|
604 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
605 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t6.c62 1 Using index
|
|
606 |
show status like 'Last_query_cost';
|
|
607 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
608 |
Last_query_cost #
|
|
1
by brian
clean slate |
609 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
610 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
611 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
612 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
613 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
614 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
615 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
616 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
617 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
618 |
show status like 'Last_query_cost';
|
|
619 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
620 |
Last_query_cost #
|
|
1
by brian
clean slate |
621 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71;
|
622 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
623 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
624 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
625 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using index
|
|
626 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
627 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using index
|
|
628 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
629 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using index
|
|
630 |
show status like 'Last_query_cost';
|
|
631 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
632 |
Last_query_cost #
|
|
1
by brian
clean slate |
633 |
explain select t1.c11 from t1, t2, t3, t4, t5, t6, t7 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
634 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
635 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
636 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
637 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
|
|
638 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
639 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
640 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
641 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
642 |
show status like 'Last_query_cost';
|
|
643 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
644 |
Last_query_cost #
|
|
1
by brian
clean slate |
645 |
explain select t1.c11 from t7, t6, t5, t4, t3, t2, t1 where t1.c11 = t2.c21 and t1.c12 = t3.c31 and t1.c13 = t4.c41 and t1.c14 = t5.c51 and t1.c15 = t6.c61 and t1.c16 = t7.c71 and t2.c22 = t3.c32 and t2.c23 = t4.c42 and t2.c24 = t5.c52 and t2.c25 = t6.c62 and t2.c26 = t7.c72 and t3.c33 = t4.c43 and t3.c34 = t5.c53 and t3.c35 = t6.c63 and t3.c36 = t7.c73 and t4.c42 = t5.c54 and t4.c43 = t6.c64 and t4.c44 = t7.c74 and t5.c52 = t6.c65 and t5.c53 = t7.c75 and t6.c62 = t7.c76;
|
646 |
id select_type table type possible_keys key key_len ref rows Extra
|
|
647 |
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 3
|
|
648 |
1 SIMPLE t2 ALL NULL NULL NULL NULL 6 Using where; Using join buffer
|
|
649 |
1 SIMPLE t3 eq_ref PRIMARY PRIMARY 4 test.t1.c12 1 Using where
|
|
650 |
1 SIMPLE t4 ALL NULL NULL NULL NULL 12 Using where; Using join buffer
|
|
651 |
1 SIMPLE t5 eq_ref PRIMARY PRIMARY 4 test.t1.c14 1 Using where
|
|
652 |
1 SIMPLE t6 ALL NULL NULL NULL NULL 18 Using where; Using join buffer
|
|
653 |
1 SIMPLE t7 eq_ref PRIMARY PRIMARY 4 test.t1.c16 1 Using where
|
|
654 |
show status like 'Last_query_cost';
|
|
655 |
Variable_name Value
|
|
|
1273.16.1
by Brian Aker
More removal of show code. |
656 |
Last_query_cost #
|
|
1
by brian
clean slate |
657 |
drop table t1,t2,t3,t4,t5,t6,t7;
|
|
2415.1.3
by Brian Aker
Fix non-repeatable tests. |
658 |
set optimizer_search_depth=default;
|
659 |
set optimizer_prune_level=default;
|
|
660 |
set optimizer_search_depth=default;
|