Update synthetic source documentation (elastic#112363)

salvatore-campagna · salvatore-campagna · commit 79eedd6c30fe · 2024-10-18T14:14:52.000+02:00
* docs: update synthetic source docs * fix: also doc values false works * Revert "fix: also doc values false works" This reverts commit 0895a76. * fix: update synthetic source documentation * fix: all field types support it * fix: no need to explicitly mention it * fix: synthetic source sorting * fix: may instead of might (cherry picked from commit ebd363d)
diff --git a/docs/plugins/mapper-annotated-text.asciidoc b/docs/plugins/mapper-annotated-text.asciidoc
@@ -155,11 +155,6 @@ be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
-`annotated_text` fields support {ref}/mapping-source-field.html#synthetic-source[synthetic `_source`] if they have
-a {ref}/keyword.html#keyword-synthetic-source[`keyword`] sub-field that supports synthetic
-`_source` or if the `annotated_text` field sets `store` to `true`. Either way, it may
-not have {ref}/copy-to.html[`copy_to`].
-
 If using a sub-`keyword` field then the values are sorted in the same way as
 a `keyword` field's values are sorted. By default, that means sorted with
 duplicates removed. So:
diff --git a/docs/reference/how-to/knn-search.asciidoc b/docs/reference/how-to/knn-search.asciidoc
@@ -59,8 +59,7 @@ since it relies on separate data structures to perform the search. Before
 using the <<include-exclude, `excludes`>> parameter, make sure to review the
 downsides of omitting fields from `_source`.
 
-Another option is to use  <<synthetic-source,synthetic `_source`>> if all
-your index fields support it.
+Another option is to use  <<synthetic-source,synthetic `_source`>>.
 
 [discrete]
 === Ensure data nodes have enough memory
diff --git a/docs/reference/mapping/types/aggregate-metric-double.asciidoc b/docs/reference/mapping/types/aggregate-metric-double.asciidoc
@@ -259,9 +259,6 @@ be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
-`aggregate_metric-double` fields support <<synthetic-source,synthetic `_source`>> in their default
-configuration.
-
 For example:
 [source,console,id=synthetic-source-aggregate-metric-double-example]
 ----
diff --git a/docs/reference/mapping/types/binary.asciidoc b/docs/reference/mapping/types/binary.asciidoc
@@ -63,7 +63,7 @@ be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
-`binary` fields support <<synthetic-source,synthetic `_source`>> only when <<doc-values,`doc_values`>> are enabled. Synthetic source always sorts `binary` values in order of their byte representation. For example:
+Synthetic source may sort `binary` values in order of their byte representation. For example:
 [source,console,id=synthetic-source-binary-example]
 ----
 PUT idx
diff --git a/docs/reference/mapping/types/boolean.asciidoc b/docs/reference/mapping/types/boolean.asciidoc
@@ -241,10 +241,9 @@ any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
 `boolean` fields support <<synthetic-source,synthetic `_source`>> in their
-default configuration. Synthetic `_source` cannot be used together with
-<<copy-to,`copy_to`>> or with <<doc-values,`doc_values`>> disabled.
+default configuration.
 
-Synthetic source always sorts `boolean` fields. For example:
+Synthetic source may sort `boolean` field values. For example:
 [source,console,id=synthetic-source-boolean-example]
 ----
 PUT idx
diff --git a/docs/reference/mapping/types/date.asciidoc b/docs/reference/mapping/types/date.asciidoc
@@ -247,11 +247,7 @@ be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
-`date` fields support <<synthetic-source,synthetic `_source`>> in their
-default configuration. Synthetic `_source` cannot be used together with
-<<copy-to,`copy_to`>> or with <<doc-values,`doc_values`>> disabled.
-
-Synthetic source always sorts `date` fields. For example:
+Synthetic source may sort `date` field values. For example:
 [source,console,id=synthetic-source-date-example]
 ----
 PUT idx
diff --git a/docs/reference/mapping/types/date_nanos.asciidoc b/docs/reference/mapping/types/date_nanos.asciidoc
@@ -150,12 +150,7 @@ be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
-`date_nanos` fields support <<synthetic-source,synthetic `_source`>> in their
-default configuration. Synthetic `_source` cannot be used together with
-<<copy-to,`copy_to`>>, <<ignore-malformed,`ignore_malformed`>> set to true
-or with <<doc-values,`doc_values`>> disabled.
-
-Synthetic source always sorts `date_nanos` fields. For example:
+Synthetic source may sort `date_nanos` field values. For example:
 [source,console,id=synthetic-source-date-nanos-example]
 ----
 PUT idx
diff --git a/docs/reference/mapping/types/flattened.asciidoc b/docs/reference/mapping/types/flattened.asciidoc
@@ -325,10 +325,9 @@ any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
 Flattened fields support <<synthetic-source,synthetic`_source`>> in their default
-configuration. Synthetic `_source` cannot be used with <<doc-values,`doc_values`>>
-disabled.
+configuration.
 
-Synthetic source always sorts alphabetically and de-duplicates flattened fields.
+Synthetic source may sort `flattened` field values and remove duplicates.
 For example:
 [source,console,id=synthetic-source-flattened-sorting-example]
 ----
diff --git a/docs/reference/mapping/types/geo-point.asciidoc b/docs/reference/mapping/types/geo-point.asciidoc
@@ -219,11 +219,7 @@ be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
-`geo_point` fields support <<synthetic-source,synthetic `_source`>> in their
-default configuration. Synthetic `_source` cannot be used together with <<copy-to,`copy_to`>> or with
-<<doc-values,`doc_values`>> disabled.
-
-Synthetic source always sorts `geo_point` fields (first by latitude and then
+Synthetic source may sort `geo_point` fields (first by latitude and then
 longitude) and reduces them to their stored precision. For example:
 [source,console,id=synthetic-source-geo-point-example]
 ----
diff --git a/docs/reference/mapping/types/geo-shape.asciidoc b/docs/reference/mapping/types/geo-shape.asciidoc
@@ -502,6 +502,3 @@ synthetic `_source` is in technical preview. Features in technical preview may
 be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
-
-`geo_shape` fields support <<synthetic-source,synthetic `_source`>> in their
-default configuration.
diff --git a/docs/reference/mapping/types/histogram.asciidoc b/docs/reference/mapping/types/histogram.asciidoc
@@ -79,7 +79,7 @@ any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
 `histogram` fields support <<synthetic-source,synthetic `_source`>> in their
-default configuration. Synthetic `_source` cannot be used together with <<copy-to,`copy_to`>>.
+default configuration.
 
 NOTE: To save space, zero-count buckets are not stored in the histogram doc values.
 As a result, when indexing a histogram field in an index with synthetic source enabled,
diff --git a/docs/reference/mapping/types/ip.asciidoc b/docs/reference/mapping/types/ip.asciidoc
@@ -161,11 +161,7 @@ be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
-`ip` fields support <<synthetic-source,synthetic `_source`>> in their default
-configuration. Synthetic `_source` cannot be used together with
-<<copy-to,`copy_to`>> or with <<doc-values,`doc_values`>> disabled.
-
-Synthetic source always sorts `ip` fields and removes duplicates. For example:
+Synthetic source may sort `ip` field values and remove duplicates. For example:
 [source,console,id=synthetic-source-ip-example]
 ----
 PUT idx
diff --git a/docs/reference/mapping/types/keyword.asciidoc b/docs/reference/mapping/types/keyword.asciidoc
@@ -178,11 +178,7 @@ be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
-`keyword` fields support <<synthetic-source,synthetic `_source`>> in their
-default configuration. Synthetic `_source` cannot be used together with
-a <<normalizer,`normalizer`>> or <<copy-to,`copy_to`>>.
-
-By default, synthetic source sorts `keyword` fields and removes duplicates.
+Synthetic source may sort `keyword` fields and remove duplicates.
 For example:
 [source,console,id=synthetic-source-keyword-example-default]
 ----
diff --git a/docs/reference/mapping/types/numeric.asciidoc b/docs/reference/mapping/types/numeric.asciidoc
@@ -254,7 +254,7 @@ All numeric fields support <<synthetic-source,synthetic
 together with <<copy-to,`copy_to`>>, or
 with <<doc-values,`doc_values`>> disabled.
 
-Synthetic source always sorts numeric fields. For example:
+Synthetic source may sort numeric field values. For example:
 [source,console,id=synthetic-source-numeric-example]
 ----
 PUT idx
diff --git a/docs/reference/mapping/types/range.asciidoc b/docs/reference/mapping/types/range.asciidoc
@@ -247,9 +247,9 @@ any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
 `range` fields support <<synthetic-source,synthetic `_source`>> in their default
-configuration. Synthetic `_source` cannot be used with <<doc-values,`doc_values`>> disabled.
+configuration.
 
-Synthetic source always sorts values and removes duplicates for all `range` fields except `ip_range`. Ranges are sorted by their lower bound and then by upper bound. For example:
+Synthetic source may sort `range` field values and remove duplicates for all `range` fields except `ip_range`. Ranges are sorted by their lower bound and then by upper bound. For example:
 [source,console,id=synthetic-source-range-sorting-example]
 ----
 PUT idx
diff --git a/docs/reference/mapping/types/search-as-you-type.asciidoc b/docs/reference/mapping/types/search-as-you-type.asciidoc
@@ -266,5 +266,4 @@ any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
 `search_as_you_type` fields support <<synthetic-source,synthetic `_source`>> in their
-default configuration. Synthetic `_source` cannot be used together with
-<<copy-to,`copy_to`>>.
+default configuration.
diff --git a/docs/reference/mapping/types/text.asciidoc b/docs/reference/mapping/types/text.asciidoc
@@ -134,10 +134,6 @@ The following parameters are accepted by `text` fields:
 
     Whether the field value should be stored and retrievable separately from
     the <<mapping-source-field,`_source`>> field. Accepts `true` or `false` (default).
-    This parameter will be automatically set to `true` for TSDB indices
-    (indices that have `index.mode` set to `time_series`)
-    if there is no <<keyword-synthetic-source, `keyword`>>
-    sub-field that supports synthetic `_source`.
 
 <<search-analyzer,`search_analyzer`>>::
 
diff --git a/docs/reference/mapping/types/token-count.asciidoc b/docs/reference/mapping/types/token-count.asciidoc
@@ -103,5 +103,4 @@ any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
 `token_count` fields support <<synthetic-source,synthetic `_source`>> in their
-default configuration. Synthetic `_source` cannot be used together with
-<<copy-to,`copy_to`>>.
+default configuration.
diff --git a/docs/reference/mapping/types/version.asciidoc b/docs/reference/mapping/types/version.asciidoc
@@ -77,10 +77,10 @@ be changed or removed in a future release. Elastic will work to fix
 any issues, but features in technical preview are not subject to the support SLA
 of official GA features.
 
-`version` fields support <<synthetic-source,synthetic `_source`>> so long as they don't
-declare <<copy-to,`copy_to`>>.
+`version` fields support <<synthetic-source,synthetic `_source`>> in their
+default configuration..
 
-Synthetic source always sorts `version` fields and removes duplicates. For example:
+Synthetic source may sort `version` field values and remove duplicates. For example:
 [source,console,id=synthetic-source-version-example]
 ----
 PUT idx
diff --git a/docs/reference/mapping/types/wildcard.asciidoc b/docs/reference/mapping/types/wildcard.asciidoc
@@ -133,10 +133,8 @@ The following parameters are accepted by `wildcard` fields:
 
 [[wildcard-synthetic-source]]
 ==== Synthetic `_source`
-`wildcard` fields support <<synthetic-source,synthetic `_source`>> so long as they don't
-declare <<copy-to,`copy_to`>>.
 
-Synthetic source always sorts `wildcard` fields. For example:
+Synthetic source may sort `wildcard` field values. For example:
 [source,console,id=synthetic-source-wildcard-example]
 ----
 PUT idx
