MDEV-31407: Add aliases in opt_trace.test for long column name for removing...

MDEV-31407: Add aliases in opt_trace.test for long column name for removing "--disable-view-protocol"

Change tests:
	opt_trace.test
	opt_trace_index_merge.test
	opt_trace_ucs2.test

mysql-test/main/opt_trace_index_merge.result

@@ -304,8 +304,8 @@ set optimizer_trace='enabled=on';
 explain select key1,key2,key3 from t1 where key1=100 and key2=100 and key3=100;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index_merge	key1,key2,key3	key1,key2,key3	5,5,5	NULL	2	Using intersect(key1,key2,key3); Using where; Using index
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
-JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives'))
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+JS
 [
     {
         "range_scan_alternatives": 
@@ -398,8 +398,8 @@ JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives'))
         []
     }
 ]
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
-JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary'))
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+JS
 [
     {
         "range_access_plan": 
@@ -443,8 +443,8 @@ JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary'))
 explain select key1,key2,key3,key4 from t1 where key1=100 and key2=100 or key3=100 and key4=100;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index_merge	key1,key2,key3,key4	key1,key2,key3,key4	5,5,5,5	NULL	154	Using union(intersect(key1,key2),intersect(key3,key4)); Using where
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
-JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives'))
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+JS
 [
     {
         "range_scan_alternatives": 
@@ -620,8 +620,8 @@ JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives'))
         ]
     }
 ]
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
-JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary'))
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+JS
 [
     {
         "range_access_plan": 

mysql-test/main/opt_trace_index_merge.test

@@ -119,17 +119,17 @@ insert into t1 (key1, key2, key3, key4, filler1) values (100, 100, -1, -1, 'key1
 insert into t1 (key1, key2, key3, key4, filler1) values (-1, -1, 100, 100, 'key4-key3');
 set optimizer_trace='enabled=on';
 
-#check after fix MDEV-27871
+# Enable after fix MDEV-31408
 --disable_view_protocol
 --echo #  3-way ROR-intersection
 explain select key1,key2,key3 from t1 where key1=100 and key2=100 and key3=100;
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
 
 --echo # ROR-union(ROR-intersection, ROR-range)
 explain select key1,key2,key3,key4 from t1 where key1=100 and key2=100 or key3=100 and key4=100;
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.chosen_range_access_summary')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
 --enable_view_protocol
 
 drop table t0,t1;

mysql-test/main/opt_trace_ucs2.result

@@ -20,8 +20,8 @@ EXPLAIN
     }
   }
 }
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
-JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives'))
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+JS
 [
     {
         "range_scan_alternatives": 

mysql-test/main/opt_trace_ucs2.test

@@ -6,8 +6,5 @@ insert into t1 values ('a', 'a');
 insert into t1 values ('a', 'a');
 set optimizer_trace=1;
 explain format=json select * from t1 force index(col1) where col1 >='a';
-#enable after fix MDEV-27871
---disable_view_protocol
-select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
---enable_view_protocol
+select JSON_DETAILED(JSON_EXTRACT(trace, '$**.analyzing_range_alternatives')) AS JS from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
 drop table t1;