Merge branch 'main' into resolve-aggregate-grouping

Author: fang-xing-esql

docs/changelog/127314.yaml

@@ -0,0 +1,5 @@
+pr: 127314
+summary: "[Failure store] Introduce dedicated failure store lifecycle configuration"
+area: Data streams
+type: enhancement
+issues: []

docs/changelog/127532.yaml

@@ -0,0 +1,6 @@
+pr: 127532
+summary: Fix case insensitive comparisons to ""
+area: ES|QL
+type: bug
+issues:
+ - 127431

docs/reference/elasticsearch/mapping-reference/semantic-text.md

@@ -92,7 +92,7 @@ PUT my-index-000003
 ## Parameters for `semantic_text` fields [semantic-text-params]
 
 `inference_id`
-:   (Required, string) {{infer-cap}} endpoint that will be used to generate
+:   (Optional, string) {{infer-cap}} endpoint that will be used to generate
 embeddings for the field. By default, `.elser-2-elasticsearch` is used. This
 parameter cannot be updated. Use
 the [Create {{infer}} API](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-inference-put)

docs/reference/query-languages/sql/sql-commands.md

@@ -3,7 +3,7 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-commands.html
 ---
 
-# SQL Commands [sql-commands]
+# SQL commands [sql-commands]
 
 This section contains the list of SQL commands supported by Elasticsearch SQL along with their syntax:
 

docs/reference/query-languages/sql/sql-data-types.md

@@ -3,7 +3,7 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-data-types.html
 ---
 
-# Data Types [sql-data-types]
+# Data types [sql-data-types]
 
 **Core types**
 

docs/reference/query-languages/sql/sql-functions-aggs.md

@@ -3,12 +3,12 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-functions-aggs.html
 ---
 
-# Aggregate Functions [sql-functions-aggs]
+# Aggregate functions [sql-functions-aggs]
 
 Functions for computing a *single* result from a set of input values. Elasticsearch SQL supports aggregate functions only alongside [grouping](/reference/query-languages/sql/sql-syntax-select.md#sql-syntax-group-by) (implicit or explicit).
 
 
-## General Purpose [sql-functions-aggs-general]
+## General purpose [sql-functions-aggs-general]
 
 ## `AVG` [sql-functions-aggs-avg]
 

docs/reference/query-languages/sql/sql-functions-conditional.md

@@ -3,7 +3,7 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-functions-conditional.html
 ---
 
-# Conditional Functions And Expressions [sql-functions-conditional]
+# Conditional functions and expressions [sql-functions-conditional]
 
 Functions that return one of their arguments by evaluating in an if-else manner.
 

docs/reference/query-languages/sql/sql-functions-datetime.md

@@ -3,7 +3,7 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-functions-datetime.html
 ---
 
-# Date/Time and Interval Functions and Operators [sql-functions-datetime]
+# Date/time and interval functions and operators [sql-functions-datetime]
 
 Elasticsearch SQL offers a wide range of facilities for performing date/time manipulations.
 

docs/reference/query-languages/sql/sql-functions-geo.md

@@ -3,7 +3,7 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-functions-geo.html
 ---
 
-# Geo Functions [sql-functions-geo]
+# Geo functions [sql-functions-geo]
 
 ::::{warning}
 This functionality is in beta and is subject to change. The design and code is less mature than official GA features and is being provided as-is with no warranties. Beta features are not subject to the support SLA of official GA features.

docs/reference/query-languages/sql/sql-functions-grouping.md

@@ -3,7 +3,7 @@ mapped_pages:
   - https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-functions-grouping.html
 ---
 
-# Grouping Functions [sql-functions-grouping]
+# Grouping functions [sql-functions-grouping]
 
 Functions for creating special *grouping*s (also known as *bucketing*); as such these need to be used as part of the [grouping](/reference/query-languages/sql/sql-syntax-select.md#sql-syntax-group-by).