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Commit b3ab3105 authored by Monty's avatar Monty
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Removed double calls to records_in_range from distinct and group by 

Fixed by moving testing of get_best_group_min_max() after range testing.
parent f36ca142
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Showing with 140 additions and 118 deletions
mysql-test/main/opt_trace.result
View file @ b3ab3105
......@@ -1387,6 +1387,13 @@ EXPLAIN SELECT MIN(d) FROM t1 where b=2 and c=3 group by a {
"chosen": true
},
"setup_range_conditions": [],
"analyzing_range_alternatives": {
"range_scan_alternatives": [],
"analyzing_roworder_intersect": {
"cause": "too few roworder scans"
},
"analyzing_index_merge_union": []
},
"group_index_range": {
"potential_group_range_indexes": [
{
......@@ -1411,13 +1418,6 @@ EXPLAIN SELECT MIN(d) FROM t1 where b=2 and c=3 group by a {
"ranges": ["(2,3) <= (b,c) <= (2,3)"],
"chosen": false,
"cause": "cost"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [],
"analyzing_roworder_intersect": {
"cause": "too few roworder scans"
},
"analyzing_index_merge_union": []
}
}
},
......@@ -1598,6 +1598,13 @@ EXPLAIN SELECT id,MIN(a),MAX(a) FROM t1 WHERE a>=20010104e0 GROUP BY id {
"chosen": true
},
"setup_range_conditions": [],
"analyzing_range_alternatives": {
"range_scan_alternatives": [],
"analyzing_roworder_intersect": {
"cause": "too few roworder scans"
},
"analyzing_index_merge_union": []
},
"group_index_range": {
"potential_group_range_indexes": [
{
......@@ -1622,13 +1629,6 @@ EXPLAIN SELECT id,MIN(a),MAX(a) FROM t1 WHERE a>=20010104e0 GROUP BY id {
"ranges": ["(2001-01-04) <= (a)"],
"chosen": false,
"cause": "cost"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [],
"analyzing_roworder_intersect": {
"cause": "too few roworder scans"
},
"analyzing_index_merge_union": []
}
}
},
......@@ -1789,6 +1789,13 @@ EXPLAIN SELECT * FROM t1 WHERE a = 20010104e0 GROUP BY id {
"chosen": true
},
"setup_range_conditions": [],
"analyzing_range_alternatives": {
"range_scan_alternatives": [],
"analyzing_roworder_intersect": {
"cause": "too few roworder scans"
},
"analyzing_index_merge_union": []
},
"group_index_range": {
"potential_group_range_indexes": [
{
......@@ -1813,13 +1820,6 @@ EXPLAIN SELECT * FROM t1 WHERE a = 20010104e0 GROUP BY id {
"ranges": ["(2001-01-04) <= (a) <= (2001-01-04)"],
"chosen": false,
"cause": "cost"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [],
"analyzing_roworder_intersect": {
"cause": "too few roworder scans"
},
"analyzing_index_merge_union": []
}
}
},
......@@ -2031,10 +2031,6 @@ explain select * from t1 where a=1 and b=2 order by c limit 1 {
}
],
"setup_range_conditions": [],
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [
{
......@@ -2063,6 +2059,10 @@ explain select * from t1 where a=1 and b=2 order by c limit 1 {
},
"analyzing_index_merge_union": []
},
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"chosen_range_access_summary": {
"range_access_plan": {
"type": "range_scan",
......@@ -2213,10 +2213,6 @@ explain select * from t1 where a=1 and b=2 order by c limit 1 {
}
],
"setup_range_conditions": [],
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [
{
......@@ -2235,6 +2231,10 @@ explain select * from t1 where a=1 and b=2 order by c limit 1 {
},
"analyzing_index_merge_union": []
},
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"chosen_range_access_summary": {
"range_access_plan": {
"type": "range_scan",
......@@ -3199,10 +3199,6 @@ explain select * from t1 where pk = 2 and a=5 and b=1 {
"chosen": true
},
"setup_range_conditions": [],
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [
{
......@@ -3271,6 +3267,10 @@ explain select * from t1 where pk = 2 and a=5 and b=1 {
},
"analyzing_index_merge_union": []
},
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"chosen_range_access_summary": {
"range_access_plan": {
"type": "range_scan",
......@@ -3681,10 +3681,6 @@ explain delete from t0 where t0.a<3 {
}
],
"setup_range_conditions": [],
"group_index_range": {
"chosen": false,
"cause": "no join"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [
{
......@@ -3700,6 +3696,10 @@ explain delete from t0 where t0.a<3 {
],
"analyzing_index_merge_union": []
},
"group_index_range": {
"chosen": false,
"cause": "no join"
},
"chosen_range_access_summary": {
"range_access_plan": {
"type": "range_scan",
......@@ -3824,10 +3824,6 @@ explain delete t0,t1 from t0, t1 where t0.a=t1.a and t1.a<3 {
"chosen": true
},
"setup_range_conditions": [],
"group_index_range": {
"chosen": false,
"cause": "not single_table"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [
{
......@@ -3846,6 +3842,10 @@ explain delete t0,t1 from t0, t1 where t0.a=t1.a and t1.a<3 {
},
"analyzing_index_merge_union": []
},
"group_index_range": {
"chosen": false,
"cause": "not single_table"
},
"chosen_range_access_summary": {
"range_access_plan": {
"type": "range_scan",
......@@ -3889,10 +3889,6 @@ explain delete t0,t1 from t0, t1 where t0.a=t1.a and t1.a<3 {
"chosen": true
},
"setup_range_conditions": [],
"group_index_range": {
"chosen": false,
"cause": "not single_table"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [
{
......@@ -3911,6 +3907,10 @@ explain delete t0,t1 from t0, t1 where t0.a=t1.a and t1.a<3 {
},
"analyzing_index_merge_union": []
},
"group_index_range": {
"chosen": false,
"cause": "not single_table"
},
"chosen_range_access_summary": {
"range_access_plan": {
"type": "range_scan",
......
mysql-test/main/opt_trace_index_merge.result
View file @ b3ab3105
......@@ -93,10 +93,6 @@ explain select * from t1 where a=1 or b=1 {
}
],
"setup_range_conditions": [],
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [],
"analyzing_roworder_intersect": {
......@@ -168,6 +164,10 @@ explain select * from t1 where a=1 or b=1 {
}
]
},
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"chosen_range_access_summary": {
"range_access_plan": {
"type": "index_roworder_union",
......
mysql-test/main/opt_trace_index_merge_innodb.result
View file @ b3ab3105
......@@ -108,10 +108,6 @@ explain select * from t1 where pk1 != 0 and key1 = 1 {
}
],
"setup_range_conditions": [],
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"analyzing_range_alternatives": {
"range_scan_alternatives": [
{
......@@ -158,6 +154,10 @@ explain select * from t1 where pk1 != 0 and key1 = 1 {
},
"analyzing_index_merge_union": []
},
"group_index_range": {
"chosen": false,
"cause": "no group by or distinct"
},
"chosen_range_access_summary": {
"range_access_plan": {
"type": "range_scan",
......
sql/opt_range.cc
View file @ b3ab3105
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