Merge pull request #8622 from soerenreichardt/2.6-deprecate-cypher-on-gds

Deprecate cypher on gds

Author: jjaderberg

doc/modules/ROOT/pages/management-ops/graph-reads/read-with-cypher.adoc

@@ -1,8 +1,13 @@
 [[cypher-on-gds]]
-= Running Cypher queries
+= Running Cypher queries (Deprecated)
 :description: This chapter explains how to execute Cypher queries on named graphs in the Neo4j Graph Data Science library.
 :page-aliases: management-ops/create-cypher-db, management-ops/graph-reads/create-cypher-db
 
+[WARNING]
+--
+This page describes running cypher queries on an in-memory graph which is deprecated and will be removed.
+There will be no replacement due to low adoption of this feature.
+--
 
 include::partial$/operations-reference/alpha-note.adoc[]
 

doc/modules/ROOT/pages/operations-reference/additional-operation-references.adoc

@@ -26,8 +26,8 @@
 | xref:machine-learning/pre-processing/one-hot-encoding.adoc[One Hot Encoding] | `gds.alpha.ml.oneHotEncoding` label:function[Function]
 | xref:common-usage/debug-sysinfo.adoc[Status of the system]                                   | `gds.debug.sysInfo` label:procedure[Procedure]
 | xref:installation/configure-apache-arrow-server.adoc[Monitoring]                              | `gds.debug.arrow` label:procedure[Procedure]
-| xref:management-ops/create-cypher-db.adoc[Create an impermanent database backed by a projected graph] | `gds.ephemeral.database.create` label:procedure[Procedure]
-| xref:management-ops/graph-reads/create-cypher-db.adoc#drop-ephemeral-db[Drop an impermanent database backed by a projected graph] | `gds.ephemeral.database.drop` label:procedure[Procedure]
+| xref:management-ops/create-cypher-db.adoc[Create an impermanent database backed by a projected graph] | `gds.ephemeral.database.create` label:procedure[Procedure] label:deprecated[Deprecated]
+| xref:management-ops/graph-reads/create-cypher-db.adoc#drop-ephemeral-db[Drop an impermanent database backed by a projected graph] | `gds.ephemeral.database.drop` label:procedure[Procedure] label:deprecated[Deprecated]
 | xref:common-usage/monitoring-system.adoc[Get an overview of the system's workload and available resources] | `gds.systemMonitor` label:procedure[Procedure]
 | xref:management-ops/backup-restore.adoc[Back-up graphs and models to disk]             | `gds.backup` label:procedure[Procedure]
 | xref:management-ops/backup-restore.adoc[Restore persisted graphs and models to memory] | `gds.restore` label:procedure[Procedure]

proc/misc/src/main/java/org/neo4j/gds/cypher/DropEphemeralDbProc.java

@@ -43,6 +43,7 @@ public class DropEphemeralDbProc extends BaseProc {
 
     @Procedure(name = "gds.ephemeral.database.drop", mode = WRITE)
     @Description(DESCRIPTION)
+    @Deprecated(forRemoval = true)
     public Stream<DropEphemeralDbResult> dropInMemoryDatabase(
         @Name(value = "dbName") String dbName
     ) {

proc/misc/src/main/java/org/neo4j/gds/cypher/GraphCreateEphemeralDatabaseProc.java

@@ -43,6 +43,7 @@ public class GraphCreateEphemeralDatabaseProc extends BaseProc {
 
     @Procedure(name = "gds.ephemeral.database.create", mode = READ)
     @Description(DESCRIPTION)
+    @Deprecated(forRemoval = true)
     public Stream<CreateEphemeralDbResult> createInMemoryDatabase(
         @Name(value = "dbName") String dbName,
         @Name(value = "graphName") String graphName