Add support for SAP MaxDB

SAP MaxDB (http://maxdb.sap.com/) is now supported as a database.

Depends-On: I9385bafe481152ce0c1471f2a7f89b1db5abac80
Change-Id: Iae2ad25a3db3a1069b80cf5733c92882da86e404

gerrit-reviewdb/src/main/resources/com/google/gerrit/reviewdb/server/index_maxdb.sql

@@ -0,0 +1,144 @@
+delimiter #
+-- Gerrit 2 : MaxDB
+--
+
+-- Indexes to support @Query
+--
+
+-- *********************************************************************
+-- AccountAccess
+--    covers:             byPreferredEmail, suggestByPreferredEmail
+CREATE INDEX accounts_byPreferredEmail
+ON accounts (preferred_email)
+#
+
+--    covers:             suggestByFullName
+CREATE INDEX accounts_byFullName
+ON accounts (full_name)
+#
+
+
+-- *********************************************************************
+-- AccountExternalIdAccess
+--    covers:             byAccount
+CREATE INDEX account_external_ids_byAccount
+ON account_external_ids (account_id)
+#
+
+--    covers:             byEmailAddress, suggestByEmailAddress
+CREATE INDEX account_external_ids_byEmail
+ON account_external_ids (email_address)
+#
+
+
+-- *********************************************************************
+-- AccountGroupMemberAccess
+--    @PrimaryKey covers: byAccount
+CREATE INDEX account_group_members_byGroup
+ON account_group_members (group_id)
+#
+
+-- *********************************************************************
+-- AccountGroupIncludeByUuidAccess
+--    @PrimaryKey covers: byGroup
+CREATE INDEX acc_gr_incl_by_uuid_byInclude
+ON account_group_by_id (include_uuid)
+#
+
+
+-- *********************************************************************
+-- AccountProjectWatchAccess
+--    @PrimaryKey covers: byAccount
+--    covers:             byProject
+CREATE INDEX acc_project_watches_byProject
+ON account_project_watches (project_name)
+#
+
+-- *********************************************************************
+-- AccountSshKeyAccess
+--    @PrimaryKey covers: byAccount, valid
+
+
+-- *********************************************************************
+-- ApprovalCategoryAccess
+--    too small to bother indexing
+
+
+-- *********************************************************************
+-- ApprovalCategoryValueAccess
+--     @PrimaryKey covers: byCategory
+
+
+-- *********************************************************************
+-- BranchAccess
+--    @PrimaryKey covers: byProject
+
+
+-- *********************************************************************
+-- ChangeAccess
+--    covers:             submitted, allSubmitted
+CREATE INDEX changes_submitted
+ON changes (status, dest_project_name, dest_branch_name, last_updated_on)
+#
+
+--    covers:             byProjectOpenPrev, byProjectOpenNext
+CREATE INDEX changes_byProjectOpen
+ON changes (open, dest_project_name, sort_key)
+#
+
+--    covers:             byProject
+CREATE INDEX changes_byProject
+ON changes (dest_project_name)
+#
+
+CREATE INDEX changes_key
+ON changes (change_key)
+#
+
+
+-- *********************************************************************
+-- ChangeMessageAccess
+--    @PrimaryKey covers: byChange
+
+--    covers:             byPatchSet
+CREATE INDEX change_messages_byPatchset
+ON change_messages (patchset_change_id, patchset_patch_set_id)
+#
+
+-- *********************************************************************
+-- PatchLineCommentAccess
+--    @PrimaryKey covers: published, draft
+CREATE INDEX patch_comment_drafts
+ON patch_comments (status, author_id)
+#
+
+-- *********************************************************************
+-- PatchSetAccess
+CREATE INDEX patch_sets_byRevision
+ON patch_sets (revision)
+#
+
+-- *********************************************************************
+-- PatchSetAncestorAccess
+--    @PrimaryKey covers: ancestorsOf
+--    covers:             descendantsOf
+CREATE INDEX patch_set_ancestors_desc
+ON patch_set_ancestors (ancestor_revision)
+#
+
+
+-- *********************************************************************
+-- StarredChangeAccess
+--    @PrimaryKey covers: byAccount
+
+CREATE INDEX starred_changes_byChange
+ON starred_changes (change_id)
+#
+
+-- *********************************************************************
+-- SubmoduleSubscriptionAccess
+
+CREATE INDEX submod_subscr_ac_bySubscription
+ON submodule_subscriptions (submodule_project_name, submodule_branch_name)
+#
+