Mention that we don't support Advisory Lock Functions

We defined some builtins around pg_advisory locks, but they are no-ops, and some functions are not even defined. This commit adds this limitation to unsupported postgres features. See cockroachdb/cockroach#13546.
cockroachdb · Dec 14, 2023 · 0377710 · 0377710
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diff --git a/src/current/_includes/v22.2/sql/unsupported-postgres-features.md b/src/current/_includes/v22.2/sql/unsupported-postgres-features.md
@@ -15,3 +15,4 @@
 - Creating a database from a template.
 - [Dropping a single partition from a table](partitioning.html#known-limitations).
 - Foreign data wrappers.
+- Advisory Lock Functions (although some functions are defined with no-op implementations).
diff --git a/src/current/_includes/v23.1/sql/unsupported-postgres-features.md b/src/current/_includes/v23.1/sql/unsupported-postgres-features.md
@@ -12,3 +12,4 @@
 - Creating a database from a template.
 - [Dropping a single partition from a table]({% link {{ page.version.version }}/partitioning.md %}#known-limitations).
 - Foreign data wrappers.
+- Advisory Lock Functions (although some functions are defined with no-op implementations).
diff --git a/src/current/_includes/v23.2/sql/unsupported-postgres-features.md b/src/current/_includes/v23.2/sql/unsupported-postgres-features.md
@@ -12,3 +12,4 @@
 - Creating a database from a template.
 - [Dropping a single partition from a table]({% link {{ page.version.version }}/partitioning.md %}#known-limitations).
 - Foreign data wrappers.
+- Advisory Lock Functions (although some functions are defined with no-op implementations).