Add capability

Author: astefan

x-pack/plugin/esql/qa/testFixtures/src/main/resources/inlinestats.csv-spec

@@ -4,6 +4,7 @@
 
 maxOfInt
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 // tag::max-languages[]
 FROM employees
 | KEEP emp_no, languages
@@ -26,6 +27,7 @@ emp_no:integer | languages:integer | max_lang:integer
 
 maxOfIntByKeyword
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 FROM employees
 | KEEP emp_no, languages, gender
@@ -44,6 +46,7 @@ emp_no:integer | languages:integer | gender:keyword | max_lang:integer
 
 maxOfLongByKeyword
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 FROM employees
 | KEEP emp_no, avg_worked_seconds, gender
@@ -59,6 +62,7 @@ emp_no:integer | avg_worked_seconds:long | gender:keyword | max_avg_worked_secon
 
 maxOfLong
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 FROM employees
 | KEEP emp_no, avg_worked_seconds, gender
@@ -72,6 +76,7 @@ emp_no:integer | avg_worked_seconds:long | gender:keyword | max_avg_worked_secon
 
 maxOfLongByCalculatedKeyword
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 // tag::longest-tenured-by-first[]
 FROM employees
@@ -95,6 +100,7 @@ emp_no:integer | avg_worked_seconds:long | last_name:keyword | SUBSTRING(last_na
 
 maxOfLongByCalculatedNamedKeyword
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 FROM employees
 | KEEP emp_no, avg_worked_seconds, last_name
@@ -133,6 +139,7 @@ emp_no:integer | avg_worked_seconds:long | last_name:keyword | max_avg_worked_se
 
 maxOfLongByEvaledKeyword
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 FROM employees
 | EVAL l = SUBSTRING(last_name, 0, 1)
@@ -153,6 +160,7 @@ emp_no:integer | avg_worked_seconds:long | l:keyword | max_avg_worked_seconds:lo
 
 maxOfLongByInt
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 FROM employees
 | KEEP emp_no, avg_worked_seconds, languages
@@ -171,6 +179,7 @@ emp_no:integer | avg_worked_seconds:long | languages:integer | max_avg_worked_se
 
 maxOfLongByIntDouble
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 FROM employees
 | KEEP emp_no, avg_worked_seconds, languages, height
@@ -330,7 +339,7 @@ required_capability: join_planning_v1
 
 FROM airports
 | RENAME scalerank AS int
-| LOOKUP JOIN int_number_names ON int
+| LOOKUP int_number_names ON int
 | RENAME name as scalerank
 | DROP int
 | INLINESTATS count=COUNT(*) BY scalerank
@@ -368,6 +377,7 @@ abbrev:keyword | city:keyword |       region:text | "COUNT(*)":long
 
 beforeStats
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 FROM airports
 | EVAL lat = ST_Y(location)
@@ -539,6 +549,7 @@ emp_no:integer | one:integer
 
 percentile
 required_capability: join_planning_v1
+required_capability: inlinestats_stubrelation_proper_replacement
 
 FROM employees
 | KEEP emp_no, salary

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/action/EsqlCapabilities.java

@@ -808,7 +808,13 @@ public enum Cap {
          * and https://github.com/elastic/elasticsearch/issues/120803
          * Support for queries that have multiple SORTs that cannot become TopN
          */
-        REMOVE_REDUNDANT_SORT;
+        REMOVE_REDUNDANT_SORT,
+
+        /**
+         * Fixes a series of issues with inlinestats which had an incomplete implementation after lookup and inlinestats
+         * were refactored.
+         */
+        INLINESTATS_STUBRELATION_PROPER_REPLACEMENT;
 
         private final boolean enabled;