Finalize migration requirement for stable database semconv (#992)

.chloggen/992.yaml

@@ -0,0 +1,22 @@
+# Use this changelog template to create an entry for release notes.
+#
+# If your change doesn't affect end users you should instead start
+# your pull request title with [chore] or use the "Skip Changelog" label.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the area of concern in the attributes-registry, (e.g. http, cloud, db)
+component: db
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Finalizes the migration requirement for instrumentations to follow when updating to stable database semconv.
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+# The values here must be integers.
+issues: [ 719 ]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:

docs/database/database-metrics.md

@@ -31,11 +31,30 @@ and attributes but more may be added in the future.
 <!-- tocstop -->
 
 > **Warning**
+>
 > Existing database instrumentations that are using
-> [v1.24.0 of this document](https://github.com/open-telemetry/semantic-conventions/blob/v1.24.0/docs/database/database-metrics.md)
-> (or prior) SHOULD NOT change the version of the database conventions that they emit
-> until a transition plan to the (future) stable semantic conventions has been published.
-> Conventions include, but are not limited to, attributes, metric and span names, and unit of measure.
+> [v1.24.0 of this document](https://github.com/open-telemetry/semantic-conventions/blob/v1.24.0/docs/database/database-spans.md)
+> (or prior):
+>
+> * SHOULD NOT change the version of the database conventions that they emit
+>   until the database semantic conventions are marked stable.
+>   Conventions include, but are not limited to, attributes,
+>   metric and span names, and unit of measure.
+> * SHOULD introduce an environment variable `OTEL_SEMCONV_STABILITY_OPT_IN`
+>   in the existing major version which is a comma-separated list of values.
+>   If the list of values includes:
+>   * `database` - emit the new, stable database conventions,
+>     and stop emitting the old experimental database conventions
+>     that the instrumentation emitted previously.
+>   * `database/dup` - emit both the old and the stable database conventions,
+>     allowing for a seamless transition.
+>   * The default behavior (in the absence of one of these values) is to continue
+>     emitting whatever version of the old experimental database conventions
+>     the instrumentation was emitting previously.
+>   * Note: `database/dup` has higher precedence than `database` in case both values are present
+> * SHOULD maintain (security patching at a minimum) the existing major version
+>   for at least six months after it starts emitting both sets of conventions.
+> * SHOULD drop the environment variable in the next major version.
 
 ## Database operation
 

docs/database/database-spans.md

@@ -18,34 +18,27 @@ linkTitle: Client Calls
 <!-- tocstop -->
 
 > **Warning**
+>
 > Existing database instrumentations that are using
 > [v1.24.0 of this document](https://github.com/open-telemetry/semantic-conventions/blob/v1.24.0/docs/database/database-spans.md)
-> (or prior) SHOULD NOT change the version of the database conventions that they emit
-> until a transition plan to the (future) stable semantic conventions has been published.
-> Conventions include, but are not limited to, attributes, metric and span names, and unit of measure.
->
-> **Warning**
-> Existing Database instrumentations that are using
-> [v1.20.0 of this document](https://github.com/open-telemetry/opentelemetry-specification/blob/v1.20.0/specification/trace/semantic_conventions/database.md)
 > (or prior):
 >
-> * SHOULD NOT change the version of the networking conventions that they emit
->   until the HTTP semantic conventions are marked stable (HTTP stabilization will
->   include stabilization of a core set of networking conventions which are also used
->   in Database instrumentations). Conventions include, but are not limited to, attributes,
+> * SHOULD NOT change the version of the database conventions that they emit
+>   until the database semantic conventions are marked stable.
+>   Conventions include, but are not limited to, attributes,
 >   metric and span names, and unit of measure.
 > * SHOULD introduce an environment variable `OTEL_SEMCONV_STABILITY_OPT_IN`
 >   in the existing major version which is a comma-separated list of values.
->   The only values defined so far are:
->   * `http` - emit the new, stable networking conventions,
->     and stop emitting the old experimental networking conventions
+>   If the list of values includes:
+>   * `database` - emit the new, stable database conventions,
+>     and stop emitting the old experimental database conventions
 >     that the instrumentation emitted previously.
->   * `http/dup` - emit both the old and the stable networking conventions,
+>   * `database/dup` - emit both the old and the stable database conventions,
 >     allowing for a seamless transition.
 >   * The default behavior (in the absence of one of these values) is to continue
->     emitting whatever version of the old experimental networking conventions
+>     emitting whatever version of the old experimental database conventions
 >     the instrumentation was emitting previously.
->   * Note: `http/dup` has higher precedence than `http` in case both values are present
+>   * Note: `database/dup` has higher precedence than `database` in case both values are present
 > * SHOULD maintain (security patching at a minimum) the existing major version
 >   for at least six months after it starts emitting both sets of conventions.
 > * SHOULD drop the environment variable in the next major version.