From 82b30b54676da0c0fae15bc12c50d8f8e82a8f9d Mon Sep 17 00:00:00 2001
From: Dessalines <dessalines@users.noreply.github.com>
Date: Tue, 21 Nov 2023 08:42:28 -0500
Subject: [PATCH] Adding Selectable and diesel postgres backend check. (#4175)

---
 crates/db_schema/src/aggregates/structs.rs    | 35 ++++++++++++---
 crates/db_schema/src/source/activity.rs       | 20 +++++----
 crates/db_schema/src/source/actor_language.rs |  9 ++--
 crates/db_schema/src/source/captcha_answer.rs |  6 ++-
 crates/db_schema/src/source/comment.rs        | 18 ++++++--
 crates/db_schema/src/source/comment_reply.rs  |  6 ++-
 crates/db_schema/src/source/comment_report.rs |  6 ++-
 crates/db_schema/src/source/community.rs      | 21 +++++++--
 .../db_schema/src/source/community_block.rs   |  6 ++-
 crates/db_schema/src/source/custom_emoji.rs   |  6 ++-
 .../src/source/custom_emoji_keyword.rs        |  6 ++-
 .../src/source/email_verification.rs          |  5 ++-
 .../src/source/federation_allowlist.rs        |  6 ++-
 .../src/source/federation_blocklist.rs        |  6 ++-
 crates/db_schema/src/source/image_upload.rs   |  6 ++-
 crates/db_schema/src/source/instance.rs       |  1 +
 crates/db_schema/src/source/instance_block.rs |  6 ++-
 crates/db_schema/src/source/language.rs       |  3 +-
 crates/db_schema/src/source/local_site.rs     |  1 +
 .../src/source/local_site_rate_limit.rs       |  3 +-
 crates/db_schema/src/source/local_user.rs     |  3 +-
 .../src/source/local_user_language.rs         |  6 +--
 crates/db_schema/src/source/login_token.rs    |  3 +-
 crates/db_schema/src/source/moderator.rs      | 45 ++++++++++++-------
 .../src/source/password_reset_request.rs      |  3 +-
 crates/db_schema/src/source/person.rs         |  9 +++-
 crates/db_schema/src/source/person_block.rs   |  6 ++-
 crates/db_schema/src/source/person_mention.rs |  6 ++-
 crates/db_schema/src/source/post.rs           | 23 +++++++---
 crates/db_schema/src/source/post_report.rs    |  6 ++-
 .../db_schema/src/source/private_message.rs   |  6 ++-
 .../src/source/private_message_report.rs      |  6 ++-
 .../src/source/registration_application.rs    |  3 +-
 crates/db_schema/src/source/secret.rs         |  3 +-
 crates/db_schema/src/source/site.rs           |  3 +-
 crates/db_schema/src/source/tagline.rs        |  6 ++-
 crates/db_views/src/structs.rs                | 12 ++++-
 crates/db_views_actor/src/structs.rs          | 10 +++++
 crates/db_views_moderator/src/structs.rs      | 16 +++++++
 39 files changed, 274 insertions(+), 77 deletions(-)

diff --git a/crates/db_schema/src/aggregates/structs.rs b/crates/db_schema/src/aggregates/structs.rs
index 24b2d82c5..4dd57724c 100644
--- a/crates/db_schema/src/aggregates/structs.rs
+++ b/crates/db_schema/src/aggregates/structs.rs
@@ -13,10 +13,14 @@ use serde::{Deserialize, Serialize};
 #[cfg(feature = "full")]
 use ts_rs::TS;
 #[derive(PartialEq, Debug, Serialize, Deserialize, Clone)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = comment_aggregates))]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::comment::Comment)))]
 #[cfg_attr(feature = "full", diesel(primary_key(comment_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// Aggregate data for a comment.
 pub struct CommentAggregates {
@@ -34,7 +38,10 @@ pub struct CommentAggregates {
 }
 
 #[derive(PartialEq, Debug, Serialize, Deserialize, Clone)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = community_aggregates))]
 #[cfg_attr(
   feature = "full",
@@ -62,10 +69,14 @@ pub struct CommunityAggregates {
 }
 
 #[derive(PartialEq, Eq, Debug, Serialize, Deserialize, Clone, Default)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = person_aggregates))]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::person::Person)))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// Aggregate data for a person.
 pub struct PersonAggregates {
@@ -79,10 +90,14 @@ pub struct PersonAggregates {
 }
 
 #[derive(PartialEq, Debug, Serialize, Deserialize, Clone)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = post_aggregates))]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::post::Post)))]
 #[cfg_attr(feature = "full", diesel(primary_key(post_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// Aggregate data for a post.
 pub struct PostAggregates {
@@ -122,10 +137,14 @@ pub struct PostAggregates {
 }
 
 #[derive(PartialEq, Eq, Debug, Serialize, Deserialize, Clone)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = person_post_aggregates))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, post_id)))]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::person::Person)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 /// Aggregate data for a person's post.
 pub struct PersonPostAggregates {
   pub person_id: PersonId,
@@ -148,10 +167,14 @@ pub struct PersonPostAggregatesForm {
 }
 
 #[derive(PartialEq, Eq, Debug, Serialize, Deserialize, Clone)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = site_aggregates))]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::site::Site)))]
 #[cfg_attr(feature = "full", diesel(primary_key(site_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// Aggregate data for a site.
 pub struct SiteAggregates {
diff --git a/crates/db_schema/src/source/activity.rs b/crates/db_schema/src/source/activity.rs
index 6c297e886..6eb17f606 100644
--- a/crates/db_schema/src/source/activity.rs
+++ b/crates/db_schema/src/source/activity.rs
@@ -1,6 +1,6 @@
 use crate::{
   newtypes::{ActivityId, CommunityId, DbUrl},
-  schema::sent_activity,
+  schema::{received_activity, sent_activity},
 };
 use chrono::{DateTime, Utc};
 use diesel::{sql_types::Nullable, Queryable};
@@ -51,8 +51,10 @@ impl ActivitySendTargets {
   }
 }
 
-#[derive(PartialEq, Eq, Debug, Queryable)]
-#[diesel(table_name = sent_activity)]
+#[derive(PartialEq, Eq, Debug)]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
+#[cfg_attr(feature = "full", diesel(table_name = sent_activity))]
 pub struct SentActivity {
   pub id: ActivityId,
   pub ap_id: DbUrl,
@@ -66,8 +68,8 @@ pub struct SentActivity {
   pub actor_apub_id: Option<DbUrl>,
 }
 
-#[derive(Insertable)]
-#[diesel(table_name = sent_activity)]
+#[cfg_attr(feature = "full", derive(Insertable))]
+#[cfg_attr(feature = "full", diesel(table_name = sent_activity))]
 pub struct SentActivityForm {
   pub ap_id: DbUrl,
   pub data: Value,
@@ -87,10 +89,12 @@ pub enum ActorType {
   Person,
 }
 
-#[derive(PartialEq, Eq, Debug, Queryable)]
-#[diesel(table_name = received_activity)]
+#[derive(PartialEq, Eq, Debug)]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable))]
+#[cfg_attr(feature = "full", diesel(primary_key(ap_id)))]
+#[cfg_attr(feature = "full", diesel(table_name = received_activity))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct ReceivedActivity {
-  pub id: i64,
   pub ap_id: DbUrl,
   pub published: DateTime<Utc>,
 }
diff --git a/crates/db_schema/src/source/actor_language.rs b/crates/db_schema/src/source/actor_language.rs
index b3da61abc..0b14b63c1 100644
--- a/crates/db_schema/src/source/actor_language.rs
+++ b/crates/db_schema/src/source/actor_language.rs
@@ -4,9 +4,10 @@ use crate::schema::local_user_language;
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable))]
 #[cfg_attr(feature = "full", diesel(table_name = local_user_language))]
 #[cfg_attr(feature = "full", diesel(primary_key(local_user_id, language_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct LocalUserLanguage {
   pub local_user_id: LocalUserId,
   pub language_id: LanguageId,
@@ -24,9 +25,10 @@ pub struct LocalUserLanguageForm {
 use crate::schema::community_language;
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable))]
 #[cfg_attr(feature = "full", diesel(table_name = community_language))]
 #[cfg_attr(feature = "full", diesel(primary_key(community_id, language_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct CommunityLanguage {
   pub community_id: CommunityId,
   pub language_id: LanguageId,
@@ -44,9 +46,10 @@ pub struct CommunityLanguageForm {
 use crate::schema::site_language;
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable))]
 #[cfg_attr(feature = "full", diesel(table_name = site_language))]
 #[cfg_attr(feature = "full", diesel(primary_key(site_id, language_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct SiteLanguage {
   pub site_id: SiteId,
   pub language_id: LanguageId,
diff --git a/crates/db_schema/src/source/captcha_answer.rs b/crates/db_schema/src/source/captcha_answer.rs
index 2660968ec..188368226 100644
--- a/crates/db_schema/src/source/captcha_answer.rs
+++ b/crates/db_schema/src/source/captcha_answer.rs
@@ -7,8 +7,9 @@ use uuid::Uuid;
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable))]
 #[cfg_attr(feature = "full", diesel(table_name = captcha_answer))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct CaptchaAnswer {
   pub uuid: Uuid,
   pub answer: String,
@@ -17,8 +18,9 @@ pub struct CaptchaAnswer {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable))]
 #[cfg_attr(feature = "full", diesel(table_name = captcha_answer))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct CheckCaptchaAnswer {
   pub uuid: Uuid,
   pub answer: String,
diff --git a/crates/db_schema/src/source/comment.rs b/crates/db_schema/src/source/comment.rs
index 4969968be..3ebea42c1 100644
--- a/crates/db_schema/src/source/comment.rs
+++ b/crates/db_schema/src/source/comment.rs
@@ -14,10 +14,14 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", ts(export))]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::post::Post)))]
 #[cfg_attr(feature = "full", diesel(table_name = comment))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 /// A comment.
 pub struct Comment {
   pub id: CommentId,
@@ -83,10 +87,14 @@ pub struct CommentUpdateForm {
 }
 
 #[derive(PartialEq, Eq, Debug, Clone)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::comment::Comment)))]
 #[cfg_attr(feature = "full", diesel(table_name = comment_like))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, comment_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct CommentLike {
   pub person_id: PersonId,
   pub comment_id: CommentId,
@@ -106,10 +114,14 @@ pub struct CommentLikeForm {
 }
 
 #[derive(PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::comment::Comment)))]
 #[cfg_attr(feature = "full", diesel(table_name = comment_saved))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, comment_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct CommentSaved {
   pub comment_id: CommentId,
   pub person_id: PersonId,
diff --git a/crates/db_schema/src/source/comment_reply.rs b/crates/db_schema/src/source/comment_reply.rs
index 30d4ae919..1f99ad076 100644
--- a/crates/db_schema/src/source/comment_reply.rs
+++ b/crates/db_schema/src/source/comment_reply.rs
@@ -7,9 +7,13 @@ use serde::{Deserialize, Serialize};
 use ts_rs::TS;
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::comment::Comment)))]
 #[cfg_attr(feature = "full", diesel(table_name = comment_reply))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A comment reply.
 pub struct CommentReply {
diff --git a/crates/db_schema/src/source/comment_report.rs b/crates/db_schema/src/source/comment_report.rs
index 23697adce..73dadc945 100644
--- a/crates/db_schema/src/source/comment_report.rs
+++ b/crates/db_schema/src/source/comment_report.rs
@@ -9,9 +9,13 @@ use ts_rs::TS;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Serialize, Deserialize, Debug, Clone)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::comment::Comment)))]
 #[cfg_attr(feature = "full", diesel(table_name = comment_report))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A comment report.
 pub struct CommentReport {
diff --git a/crates/db_schema/src/source/community.rs b/crates/db_schema/src/source/community.rs
index 29663c81d..b6944b989 100644
--- a/crates/db_schema/src/source/community.rs
+++ b/crates/db_schema/src/source/community.rs
@@ -13,8 +13,9 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = community))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A community.
 pub struct Community {
@@ -128,13 +129,17 @@ pub struct CommunityUpdateForm {
 }
 
 #[derive(PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations)
+)]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::community::Community))
 )]
 #[cfg_attr(feature = "full", diesel(table_name = community_moderator))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, community_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct CommunityModerator {
   pub community_id: CommunityId,
   pub person_id: PersonId,
@@ -150,13 +155,17 @@ pub struct CommunityModeratorForm {
 }
 
 #[derive(PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations)
+)]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::community::Community))
 )]
 #[cfg_attr(feature = "full", diesel(table_name = community_person_ban))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, community_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct CommunityPersonBan {
   pub community_id: CommunityId,
   pub person_id: PersonId,
@@ -174,13 +183,17 @@ pub struct CommunityPersonBanForm {
 }
 
 #[derive(PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations)
+)]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::community::Community))
 )]
 #[cfg_attr(feature = "full", diesel(table_name = community_follower))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, community_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct CommunityFollower {
   pub community_id: CommunityId,
   pub person_id: PersonId,
diff --git a/crates/db_schema/src/source/community_block.rs b/crates/db_schema/src/source/community_block.rs
index 3154f1d77..7d43af173 100644
--- a/crates/db_schema/src/source/community_block.rs
+++ b/crates/db_schema/src/source/community_block.rs
@@ -5,13 +5,17 @@ use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable)
+)]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::community::Community))
 )]
 #[cfg_attr(feature = "full", diesel(table_name = community_block))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, community_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct CommunityBlock {
   pub person_id: PersonId,
   pub community_id: CommunityId,
diff --git a/crates/db_schema/src/source/custom_emoji.rs b/crates/db_schema/src/source/custom_emoji.rs
index 015004cae..3217c9736 100644
--- a/crates/db_schema/src/source/custom_emoji.rs
+++ b/crates/db_schema/src/source/custom_emoji.rs
@@ -10,12 +10,16 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Debug, Clone, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = custom_emoji))]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::local_site::LocalSite))
 )]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A custom emoji.
 pub struct CustomEmoji {
diff --git a/crates/db_schema/src/source/custom_emoji_keyword.rs b/crates/db_schema/src/source/custom_emoji_keyword.rs
index 679bbccea..34ee071b5 100644
--- a/crates/db_schema/src/source/custom_emoji_keyword.rs
+++ b/crates/db_schema/src/source/custom_emoji_keyword.rs
@@ -7,13 +7,17 @@ use ts_rs::TS;
 use typed_builder::TypedBuilder;
 
 #[derive(PartialEq, Eq, Debug, Clone, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = custom_emoji_keyword))]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::custom_emoji::CustomEmoji))
 )]
 #[cfg_attr(feature = "full", diesel(primary_key(custom_emoji_id, keyword)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A custom keyword for an emoji.
 pub struct CustomEmojiKeyword {
diff --git a/crates/db_schema/src/source/email_verification.rs b/crates/db_schema/src/source/email_verification.rs
index af117e0bd..201a4cef3 100644
--- a/crates/db_schema/src/source/email_verification.rs
+++ b/crates/db_schema/src/source/email_verification.rs
@@ -4,13 +4,14 @@ use crate::schema::email_verification;
 use chrono::{DateTime, Utc};
 
 #[derive(Clone)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable))]
 #[cfg_attr(feature = "full", diesel(table_name = email_verification))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct EmailVerification {
   pub id: i32,
   pub local_user_id: LocalUserId,
   pub email: String,
-  pub verification_code: String,
+  pub verification_token: String,
   pub published: DateTime<Utc>,
 }
 
diff --git a/crates/db_schema/src/source/federation_allowlist.rs b/crates/db_schema/src/source/federation_allowlist.rs
index 62ceb7d6f..cc66bcad8 100644
--- a/crates/db_schema/src/source/federation_allowlist.rs
+++ b/crates/db_schema/src/source/federation_allowlist.rs
@@ -6,13 +6,17 @@ use serde::{Deserialize, Serialize};
 use std::fmt::Debug;
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable)
+)]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::instance::Instance))
 )]
 #[cfg_attr(feature = "full", diesel(table_name = federation_allowlist))]
 #[cfg_attr(feature = "full", diesel(primary_key(instance_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct FederationAllowList {
   pub instance_id: InstanceId,
   pub published: DateTime<Utc>,
diff --git a/crates/db_schema/src/source/federation_blocklist.rs b/crates/db_schema/src/source/federation_blocklist.rs
index 5f5bd835b..2176ce42d 100644
--- a/crates/db_schema/src/source/federation_blocklist.rs
+++ b/crates/db_schema/src/source/federation_blocklist.rs
@@ -6,13 +6,17 @@ use serde::{Deserialize, Serialize};
 use std::fmt::Debug;
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable)
+)]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::instance::Instance))
 )]
 #[cfg_attr(feature = "full", diesel(table_name = federation_blocklist))]
 #[cfg_attr(feature = "full", diesel(primary_key(instance_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct FederationBlockList {
   pub instance_id: InstanceId,
   pub published: DateTime<Utc>,
diff --git a/crates/db_schema/src/source/image_upload.rs b/crates/db_schema/src/source/image_upload.rs
index db1b7800b..b72c55065 100644
--- a/crates/db_schema/src/source/image_upload.rs
+++ b/crates/db_schema/src/source/image_upload.rs
@@ -11,7 +11,10 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Debug, Clone, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = image_upload))]
 #[cfg_attr(feature = "full", diesel(primary_key(pictrs_alias)))]
 #[cfg_attr(feature = "full", ts(export))]
@@ -19,6 +22,7 @@ use typed_builder::TypedBuilder;
   feature = "full",
   diesel(belongs_to(crate::source::local_user::LocalUser))
 )]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct ImageUpload {
   pub local_user_id: LocalUserId,
   pub pictrs_alias: String,
diff --git a/crates/db_schema/src/source/instance.rs b/crates/db_schema/src/source/instance.rs
index 8714b317e..98e0d401b 100644
--- a/crates/db_schema/src/source/instance.rs
+++ b/crates/db_schema/src/source/instance.rs
@@ -13,6 +13,7 @@ use typed_builder::TypedBuilder;
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
 #[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = instance))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A federated instance / site.
 pub struct Instance {
diff --git a/crates/db_schema/src/source/instance_block.rs b/crates/db_schema/src/source/instance_block.rs
index fe737ec6f..4eebbf1a8 100644
--- a/crates/db_schema/src/source/instance_block.rs
+++ b/crates/db_schema/src/source/instance_block.rs
@@ -5,13 +5,17 @@ use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable)
+)]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::instance::Instance))
 )]
 #[cfg_attr(feature = "full", diesel(table_name = instance_block))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, instance_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct InstanceBlock {
   pub person_id: PersonId,
   pub instance_id: InstanceId,
diff --git a/crates/db_schema/src/source/language.rs b/crates/db_schema/src/source/language.rs
index 3d3122da9..a816822e0 100644
--- a/crates/db_schema/src/source/language.rs
+++ b/crates/db_schema/src/source/language.rs
@@ -6,8 +6,9 @@ use serde::{Deserialize, Serialize};
 use ts_rs::TS;
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = language))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A language.
 pub struct Language {
diff --git a/crates/db_schema/src/source/local_site.rs b/crates/db_schema/src/source/local_site.rs
index 9187c6a09..ac545d574 100644
--- a/crates/db_schema/src/source/local_site.rs
+++ b/crates/db_schema/src/source/local_site.rs
@@ -17,6 +17,7 @@ use typed_builder::TypedBuilder;
 #[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = local_site))]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::site::Site)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// The local site.
 pub struct LocalSite {
diff --git a/crates/db_schema/src/source/local_site_rate_limit.rs b/crates/db_schema/src/source/local_site_rate_limit.rs
index 59da06270..6ba3df59e 100644
--- a/crates/db_schema/src/source/local_site_rate_limit.rs
+++ b/crates/db_schema/src/source/local_site_rate_limit.rs
@@ -10,13 +10,14 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Debug, Clone, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = local_site_rate_limit))]
 #[cfg_attr(feature = "full", diesel(primary_key(local_site_id)))]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::local_site::LocalSite))
 )]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// Rate limits for your site. Given in count / length of time.
 pub struct LocalSiteRateLimit {
diff --git a/crates/db_schema/src/source/local_user.rs b/crates/db_schema/src/source/local_user.rs
index 5be2573b2..97a0921da 100644
--- a/crates/db_schema/src/source/local_user.rs
+++ b/crates/db_schema/src/source/local_user.rs
@@ -14,8 +14,9 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = local_user))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A local user.
 pub struct LocalUser {
diff --git a/crates/db_schema/src/source/local_user_language.rs b/crates/db_schema/src/source/local_user_language.rs
index b6129d0ce..83c666636 100644
--- a/crates/db_schema/src/source/local_user_language.rs
+++ b/crates/db_schema/src/source/local_user_language.rs
@@ -1,12 +1,12 @@
 use crate::newtypes::{LanguageId, LocalUserId, LocalUserLanguageId};
-use serde::{Deserialize, Serialize};
-
 #[cfg(feature = "full")]
 use crate::schema::local_user_language;
+use serde::{Deserialize, Serialize};
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable))]
 #[cfg_attr(feature = "full", diesel(table_name = local_user_language))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct LocalUserLanguage {
   #[serde(skip)]
   pub id: LocalUserLanguageId,
diff --git a/crates/db_schema/src/source/login_token.rs b/crates/db_schema/src/source/login_token.rs
index 97a3bba53..e5d61f7c3 100644
--- a/crates/db_schema/src/source/login_token.rs
+++ b/crates/db_schema/src/source/login_token.rs
@@ -10,9 +10,10 @@ use ts_rs::TS;
 /// Stores data related to a specific user login session.
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = login_token))]
 #[cfg_attr(feature = "full", diesel(primary_key(token)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 pub struct LoginToken {
   /// Jwt token for this login
diff --git a/crates/db_schema/src/source/moderator.rs b/crates/db_schema/src/source/moderator.rs
index 181bdbab7..c1f58ebc8 100644
--- a/crates/db_schema/src/source/moderator.rs
+++ b/crates/db_schema/src/source/moderator.rs
@@ -25,8 +25,9 @@ use ts_rs::TS;
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_remove_post))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator removes a post.
 pub struct ModRemovePost {
@@ -48,8 +49,9 @@ pub struct ModRemovePostForm {
 }
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_lock_post))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator locks a post (prevents new comments being made).
 pub struct ModLockPost {
@@ -69,8 +71,9 @@ pub struct ModLockPostForm {
 }
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_feature_post))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator features a post on a community (pins it to the top).
 pub struct ModFeaturePost {
@@ -93,8 +96,9 @@ pub struct ModFeaturePostForm {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_remove_comment))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator removes a comment.
 pub struct ModRemoveComment {
@@ -117,8 +121,9 @@ pub struct ModRemoveCommentForm {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_remove_community))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator removes a community.
 pub struct ModRemoveCommunity {
@@ -141,8 +146,9 @@ pub struct ModRemoveCommunityForm {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_ban_from_community))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When someone is banned from a community.
 pub struct ModBanFromCommunity {
@@ -169,8 +175,9 @@ pub struct ModBanFromCommunityForm {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_ban))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When someone is banned from the site.
 pub struct ModBan {
@@ -194,8 +201,9 @@ pub struct ModHideCommunityForm {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_hide_community))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a community is hidden from public view.
 pub struct ModHideCommunity {
@@ -218,8 +226,9 @@ pub struct ModBanForm {
 }
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_add_community))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When someone is added as a community moderator.
 pub struct ModAddCommunity {
@@ -241,8 +250,9 @@ pub struct ModAddCommunityForm {
 }
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_transfer_community))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator transfers a community to a new owner.
 pub struct ModTransferCommunity {
@@ -262,8 +272,9 @@ pub struct ModTransferCommunityForm {
 }
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = mod_add))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When someone is added as a site moderator.
 pub struct ModAdd {
@@ -284,8 +295,9 @@ pub struct ModAddForm {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = admin_purge_person))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When an admin purges a person.
 pub struct AdminPurgePerson {
@@ -304,8 +316,9 @@ pub struct AdminPurgePersonForm {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = admin_purge_community))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When an admin purges a community.
 pub struct AdminPurgeCommunity {
@@ -324,8 +337,9 @@ pub struct AdminPurgeCommunityForm {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = admin_purge_post))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When an admin purges a post.
 pub struct AdminPurgePost {
@@ -346,8 +360,9 @@ pub struct AdminPurgePostForm {
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = admin_purge_comment))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When an admin purges a comment.
 pub struct AdminPurgeComment {
diff --git a/crates/db_schema/src/source/password_reset_request.rs b/crates/db_schema/src/source/password_reset_request.rs
index 648c7164c..edc030e9c 100644
--- a/crates/db_schema/src/source/password_reset_request.rs
+++ b/crates/db_schema/src/source/password_reset_request.rs
@@ -4,8 +4,9 @@ use crate::schema::password_reset_request;
 use chrono::{DateTime, Utc};
 
 #[derive(PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable))]
 #[cfg_attr(feature = "full", diesel(table_name = password_reset_request))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct PasswordResetRequest {
   pub id: i32,
   pub token: String,
diff --git a/crates/db_schema/src/source/person.rs b/crates/db_schema/src/source/person.rs
index 657006f20..25e65ae79 100644
--- a/crates/db_schema/src/source/person.rs
+++ b/crates/db_schema/src/source/person.rs
@@ -13,8 +13,9 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = person))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A person.
 pub struct Person {
@@ -112,10 +113,14 @@ pub struct PersonUpdateForm {
 }
 
 #[derive(PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::person::Person)))]
 #[cfg_attr(feature = "full", diesel(table_name = person_follower))]
 #[cfg_attr(feature = "full", diesel(primary_key(follower_id, person_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct PersonFollower {
   pub person_id: PersonId,
   pub follower_id: PersonId,
diff --git a/crates/db_schema/src/source/person_block.rs b/crates/db_schema/src/source/person_block.rs
index 3b22aec2c..43048fb39 100644
--- a/crates/db_schema/src/source/person_block.rs
+++ b/crates/db_schema/src/source/person_block.rs
@@ -5,10 +5,14 @@ use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::person::Person)))]
 #[cfg_attr(feature = "full", diesel(table_name = person_block))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, target_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct PersonBlock {
   pub person_id: PersonId,
   pub target_id: PersonId,
diff --git a/crates/db_schema/src/source/person_mention.rs b/crates/db_schema/src/source/person_mention.rs
index b9d7ccf8e..9c3005655 100644
--- a/crates/db_schema/src/source/person_mention.rs
+++ b/crates/db_schema/src/source/person_mention.rs
@@ -7,9 +7,13 @@ use serde::{Deserialize, Serialize};
 use ts_rs::TS;
 
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::comment::Comment)))]
 #[cfg_attr(feature = "full", diesel(table_name = person_mention))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A person mention.
 pub struct PersonMention {
diff --git a/crates/db_schema/src/source/post.rs b/crates/db_schema/src/source/post.rs
index 760697b0b..3b22a737a 100644
--- a/crates/db_schema/src/source/post.rs
+++ b/crates/db_schema/src/source/post.rs
@@ -10,9 +10,10 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = post))]
 #[cfg_attr(feature = "full", ts(export))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 /// A post.
 pub struct Post {
   pub id: PostId,
@@ -111,10 +112,14 @@ pub struct PostUpdateForm {
 }
 
 #[derive(PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::post::Post)))]
 #[cfg_attr(feature = "full", diesel(table_name = post_like))]
 #[cfg_attr(feature = "full", diesel(primary_key(person_id, post_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct PostLike {
   pub post_id: PostId,
   pub person_id: PersonId,
@@ -132,10 +137,14 @@ pub struct PostLikeForm {
 }
 
 #[derive(PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::post::Post)))]
 #[cfg_attr(feature = "full", diesel(table_name = post_saved))]
 #[cfg_attr(feature = "full", diesel(primary_key(post_id, person_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct PostSaved {
   pub post_id: PostId,
   pub person_id: PersonId,
@@ -150,11 +159,15 @@ pub struct PostSavedForm {
 }
 
 #[derive(PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::post::Post)))]
 #[cfg_attr(feature = "full", diesel(table_name = post_read))]
+#[cfg_attr(feature = "full", diesel(primary_key(post_id, person_id)))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct PostRead {
-  pub id: i32,
   pub post_id: PostId,
   pub person_id: PersonId,
   pub published: DateTime<Utc>,
diff --git a/crates/db_schema/src/source/post_report.rs b/crates/db_schema/src/source/post_report.rs
index 9f5f53d95..9aee9ed97 100644
--- a/crates/db_schema/src/source/post_report.rs
+++ b/crates/db_schema/src/source/post_report.rs
@@ -9,9 +9,13 @@ use ts_rs::TS;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Serialize, Deserialize, Debug, Clone)]
-#[cfg_attr(feature = "full", derive(Identifiable, Queryable, Associations, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Identifiable, Queryable, Selectable, Associations, TS)
+)]
 #[cfg_attr(feature = "full", diesel(belongs_to(crate::source::post::Post)))] // Is this the right assoc?
 #[cfg_attr(feature = "full", diesel(table_name = post_report))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A post report.
 pub struct PostReport {
diff --git a/crates/db_schema/src/source/private_message.rs b/crates/db_schema/src/source/private_message.rs
index 033bfbe20..94a600921 100644
--- a/crates/db_schema/src/source/private_message.rs
+++ b/crates/db_schema/src/source/private_message.rs
@@ -10,12 +10,16 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::person::Person, foreign_key = creator_id)
 ))] // Is this the right assoc?
 #[cfg_attr(feature = "full", diesel(table_name = private_message))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A private message.
 pub struct PrivateMessage {
diff --git a/crates/db_schema/src/source/private_message_report.rs b/crates/db_schema/src/source/private_message_report.rs
index 0afc5b039..7b4c8c637 100644
--- a/crates/db_schema/src/source/private_message_report.rs
+++ b/crates/db_schema/src/source/private_message_report.rs
@@ -9,12 +9,16 @@ use ts_rs::TS;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Serialize, Deserialize, Debug, Clone)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::private_message::PrivateMessage))
 )]
 #[cfg_attr(feature = "full", diesel(table_name = private_message_report))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// The private message report.
 pub struct PrivateMessageReport {
diff --git a/crates/db_schema/src/source/registration_application.rs b/crates/db_schema/src/source/registration_application.rs
index 1ed78703b..2824951d7 100644
--- a/crates/db_schema/src/source/registration_application.rs
+++ b/crates/db_schema/src/source/registration_application.rs
@@ -9,8 +9,9 @@ use ts_rs::TS;
 
 #[skip_serializing_none]
 #[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = registration_application))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A registration application.
 pub struct RegistrationApplication {
diff --git a/crates/db_schema/src/source/secret.rs b/crates/db_schema/src/source/secret.rs
index 8b955ec59..164670a24 100644
--- a/crates/db_schema/src/source/secret.rs
+++ b/crates/db_schema/src/source/secret.rs
@@ -2,8 +2,9 @@
 use crate::schema::secret;
 
 #[derive(Clone)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable))]
 #[cfg_attr(feature = "full", diesel(table_name = secret))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 pub struct Secret {
   pub id: i32,
   pub jwt_secret: String,
diff --git a/crates/db_schema/src/source/site.rs b/crates/db_schema/src/source/site.rs
index 0e175dc71..14b931847 100644
--- a/crates/db_schema/src/source/site.rs
+++ b/crates/db_schema/src/source/site.rs
@@ -10,8 +10,9 @@ use typed_builder::TypedBuilder;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Debug, Clone, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Identifiable, TS))]
+#[cfg_attr(feature = "full", derive(Queryable, Selectable, Identifiable, TS))]
 #[cfg_attr(feature = "full", diesel(table_name = site))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// The site.
 pub struct Site {
diff --git a/crates/db_schema/src/source/tagline.rs b/crates/db_schema/src/source/tagline.rs
index 564c6dc80..dbc904a78 100644
--- a/crates/db_schema/src/source/tagline.rs
+++ b/crates/db_schema/src/source/tagline.rs
@@ -9,12 +9,16 @@ use ts_rs::TS;
 
 #[skip_serializing_none]
 #[derive(PartialEq, Eq, Debug, Clone, Serialize, Deserialize)]
-#[cfg_attr(feature = "full", derive(Queryable, Associations, Identifiable, TS))]
+#[cfg_attr(
+  feature = "full",
+  derive(Queryable, Selectable, Associations, Identifiable, TS)
+)]
 #[cfg_attr(feature = "full", diesel(table_name = tagline))]
 #[cfg_attr(
   feature = "full",
   diesel(belongs_to(crate::source::local_site::LocalSite))
 )]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A tagline, shown at the top of your site.
 pub struct Tagline {
diff --git a/crates/db_views/src/structs.rs b/crates/db_views/src/structs.rs
index 2f65bb78f..25f1c608c 100644
--- a/crates/db_views/src/structs.rs
+++ b/crates/db_views/src/structs.rs
@@ -29,6 +29,7 @@ use ts_rs::TS;
 #[skip_serializing_none]
 #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A comment report view.
 pub struct CommentReportView {
@@ -47,6 +48,7 @@ pub struct CommentReportView {
 #[skip_serializing_none]
 #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A comment view.
 pub struct CommentView {
@@ -65,6 +67,7 @@ pub struct CommentView {
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A local user view.
 pub struct LocalUserView {
@@ -76,6 +79,7 @@ pub struct LocalUserView {
 #[skip_serializing_none]
 #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A post report view.
 pub struct PostReportView {
@@ -101,6 +105,7 @@ pub struct PaginationCursor(pub(crate) String);
 #[skip_serializing_none]
 #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A post view.
 pub struct PostView {
@@ -120,6 +125,7 @@ pub struct PostView {
 
 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A private message view.
 pub struct PrivateMessageView {
@@ -131,6 +137,7 @@ pub struct PrivateMessageView {
 #[skip_serializing_none]
 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A private message report view.
 pub struct PrivateMessageReportView {
@@ -144,6 +151,7 @@ pub struct PrivateMessageReportView {
 #[skip_serializing_none]
 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A registration application view.
 pub struct RegistrationApplicationView {
@@ -155,6 +163,7 @@ pub struct RegistrationApplicationView {
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A site view.
 pub struct SiteView {
@@ -165,7 +174,8 @@ pub struct SiteView {
 }
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
-#[cfg_attr(feature = "full", derive(TS))]
+#[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A custom emoji view.
 pub struct CustomEmojiView {
diff --git a/crates/db_views_actor/src/structs.rs b/crates/db_views_actor/src/structs.rs
index 88461701d..7b329004e 100644
--- a/crates/db_views_actor/src/structs.rs
+++ b/crates/db_views_actor/src/structs.rs
@@ -21,6 +21,7 @@ use ts_rs::TS;
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A community block.
 pub struct CommunityBlockView {
@@ -31,6 +32,7 @@ pub struct CommunityBlockView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// An instance block by a user.
 pub struct InstanceBlockView {
@@ -41,6 +43,7 @@ pub struct InstanceBlockView {
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A community follower.
 pub struct CommunityFollowerView {
@@ -50,6 +53,7 @@ pub struct CommunityFollowerView {
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A community moderator.
 pub struct CommunityModeratorView {
@@ -59,6 +63,7 @@ pub struct CommunityModeratorView {
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 /// A community person ban.
 pub struct CommunityPersonBanView {
   pub community: Community,
@@ -67,6 +72,7 @@ pub struct CommunityPersonBanView {
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A community view.
 pub struct CommunityView {
@@ -78,6 +84,7 @@ pub struct CommunityView {
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A person block.
 pub struct PersonBlockView {
@@ -88,6 +95,7 @@ pub struct PersonBlockView {
 #[skip_serializing_none]
 #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A person mention view.
 pub struct PersonMentionView {
@@ -109,6 +117,7 @@ pub struct PersonMentionView {
 #[skip_serializing_none]
 #[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A comment reply view.
 pub struct CommentReplyView {
@@ -129,6 +138,7 @@ pub struct CommentReplyView {
 
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// A person view.
 pub struct PersonView {
diff --git a/crates/db_views_moderator/src/structs.rs b/crates/db_views_moderator/src/structs.rs
index 549b38796..2335e7721 100644
--- a/crates/db_views_moderator/src/structs.rs
+++ b/crates/db_views_moderator/src/structs.rs
@@ -34,6 +34,7 @@ use ts_rs::TS;
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When someone is added as a community moderator.
 pub struct ModAddCommunityView {
@@ -46,6 +47,7 @@ pub struct ModAddCommunityView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When someone is added as a site moderator.
 pub struct ModAddView {
@@ -57,6 +59,7 @@ pub struct ModAddView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When someone is banned from a community.
 pub struct ModBanFromCommunityView {
@@ -69,6 +72,7 @@ pub struct ModBanFromCommunityView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When someone is banned from the site.
 pub struct ModBanView {
@@ -80,6 +84,7 @@ pub struct ModBanView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a community is hidden from public view.
 pub struct ModHideCommunityView {
@@ -91,6 +96,7 @@ pub struct ModHideCommunityView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator locks a post (prevents new comments being made).
 pub struct ModLockPostView {
@@ -103,6 +109,7 @@ pub struct ModLockPostView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator removes a comment.
 pub struct ModRemoveCommentView {
@@ -117,6 +124,7 @@ pub struct ModRemoveCommentView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator removes a community.
 pub struct ModRemoveCommunityView {
@@ -128,6 +136,7 @@ pub struct ModRemoveCommunityView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator removes a post.
 pub struct ModRemovePostView {
@@ -140,6 +149,7 @@ pub struct ModRemovePostView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator features a post on a community (pins it to the top).
 pub struct ModFeaturePostView {
@@ -152,6 +162,7 @@ pub struct ModFeaturePostView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When a moderator transfers a community to a new owner.
 pub struct ModTransferCommunityView {
@@ -164,6 +175,7 @@ pub struct ModTransferCommunityView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When an admin purges a comment.
 pub struct AdminPurgeCommentView {
@@ -175,6 +187,7 @@ pub struct AdminPurgeCommentView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When an admin purges a community.
 pub struct AdminPurgeCommunityView {
@@ -185,6 +198,7 @@ pub struct AdminPurgeCommunityView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When an admin purges a person.
 pub struct AdminPurgePersonView {
@@ -195,6 +209,7 @@ pub struct AdminPurgePersonView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// When an admin purges a post.
 pub struct AdminPurgePostView {
@@ -206,6 +221,7 @@ pub struct AdminPurgePostView {
 #[skip_serializing_none]
 #[derive(Debug, Serialize, Deserialize, Clone, Copy)]
 #[cfg_attr(feature = "full", derive(TS, Queryable))]
+#[cfg_attr(feature = "full", diesel(check_for_backend(diesel::pg::Pg)))]
 #[cfg_attr(feature = "full", ts(export))]
 /// Querying / filtering the modlog.
 pub struct ModlogListParams {