database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

MDEV-21092,MDEV-21095,MDEV-29997: Optimizer Trace for index condition pushdown, partition pruning, exists-to-in

Browse Source 
Add Optimizer Tracing for:
        - Index Condition Pushdown
        - Partition Pruning
        - Exists-to-IN optimization
This commit is contained in:
Rex
2022-12-02 16:46:54 +12:00
committed by Sergei Petrunia
parent dba78f3c32
commit 07f21cfb14
9 changed files with 1062 additions and 446 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
mysql-test/main/opt_trace_index_merge.result
View File

@ -257,15 +257,23 @@ explain select * from t1 where a=1 or b=1 {
}
},
{
"attaching_conditions_to_tables": {
"attached_conditions_computation": [],
"attached_conditions_summary": [
{
"table": "t1",
"attached": "t1.a = 1 or t1.b = 1"
}
]
}
"make_join_readinfo": [
{
"table": "t1",
"index_condition": "t1.a = 1 or t1.b = 1"
}
]
}
]
}
},
{
"attaching_conditions_to_tables": {
"attached_conditions_computation": [],
"attached_conditions_summary": [
{
"table": "t1",
"attached_condition": "t1.a = 1 or t1.b = 1"
}
]
}