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MDEV-23645: Optimizer trace: print conditions after substitute_for_best_equal_field

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Print the conditions for WHERE, HAVING, and ON.
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Sergei Petrunia
2021-03-19 17:32:08 +03:00
parent 00528a0445
commit b9a45ba40f
8 changed files with 301 additions and 35 deletions
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7
mysql-test/main/opt_trace_index_merge.result
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@ -229,9 +229,14 @@ explain select * from t1 where a=1 or b=1 {
{
"best_join_order": ["t1"]
},
{
"substitute_best_equal": {
"condition": "WHERE",
"resulting_condition": "t1.a = 1 or t1.b = 1"
}
},
{
"attaching_conditions_to_tables": {
"original_condition": "t1.a = 1 or t1.b = 1",
"attached_conditions_computation": [],
"attached_conditions_summary": [
{