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    • Rémy Coutable's avatar
      Improve the performance of the GET /:sources/:id/{access_requests,members} API endpoints · 5010be77
      Rémy Coutable authored
      The performance was greatly improved by removing two N+1 queries issues
      for each endpoint.
      
      For comparison:
      
      1. `GET /projects/:id/members`
      
      With two N+1 queries issues (one was already fxed in the following
      snippet):
      
      ```
        ProjectMember Load (0.2ms)  SELECT "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND "members"."requested_at" IS
      NULL  ORDER BY "members"."id" DESC  [["source_type", "Project"],
      ["source_id", 1], ["source_type", "Project"]]
        User Load (0.5ms)  SELECT "users".* FROM "users" WHERE "users"."id" IN
      (5, 22, 16, 13)  ORDER BY "users"."id" DESC
        ActiveRecord::SchemaMigration Load (0.2ms)  SELECT
      "schema_migrations".* FROM "schema_migrations"
        ProjectMember Load (0.3ms)  SELECT  "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND "members"."requested_at" IS
      NULL AND "members"."user_id" = $4  ORDER BY "members"."id" DESC LIMIT 1
      [["source_type", "Project"], ["source_id", 1], ["source_type",
      "Project"], ["user_id", 5]]
        ProjectMember Load (0.3ms)  SELECT  "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND "members"."requested_at" IS
      NULL AND "members"."user_id" = $4  ORDER BY "members"."id" DESC LIMIT 1
      [["source_type", "Project"], ["source_id", 1], ["source_type",
      "Project"], ["user_id", 22]]
        ProjectMember Load (0.3ms)  SELECT  "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND "members"."requested_at" IS
      NULL AND "members"."user_id" = $4  ORDER BY "members"."id" DESC LIMIT 1
      [["source_type", "Project"], ["source_id", 1], ["source_type",
      "Project"], ["user_id", 16]]
        ProjectMember Load (0.3ms)  SELECT  "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND "members"."requested_at" IS
      NULL AND "members"."user_id" = $4  ORDER BY "members"."id" DESC LIMIT 1
      [["source_type", "Project"], ["source_id", 1], ["source_type",
      "Project"], ["user_id", 13]]
      ```
      
      Without the N+1 queries issues:
      
      ```
        ProjectMember Load (0.3ms)  SELECT  "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND "members"."requested_at" IS
      NULL  ORDER BY "members"."id" DESC LIMIT 20 OFFSET 0  [["source_type",
      "Project"], ["source_id", 1], ["source_type", "Project"]]
        User Load (0.5ms)  SELECT "users".* FROM "users" WHERE "users"."id" IN
      (5, 22, 16, 13)  ORDER BY "users"."id" DESC
      ```
      
      2. `GET /projects/:id/access_requests`
      
      With two N+1 queries issues:
      
      ```
        ProjectMember Load (0.3ms)  SELECT "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND ("members"."requested_at" IS
      NOT NULL)  ORDER BY "members"."id" DESC  [["source_type", "Project"],
      ["source_id", 8], ["source_type", "Project"]]
        User Load (0.1ms)  SELECT  "users".* FROM "users" WHERE "users"."id" =
      $1  ORDER BY "users"."id" DESC LIMIT 1  [["id", 24]]
        User Load (0.1ms)  SELECT  "users".* FROM "users" WHERE "users"."id" =
      $1  ORDER BY "users"."id" DESC LIMIT 1  [["id", 23]]
        ActiveRecord::SchemaMigration Load (0.2ms)  SELECT
      "schema_migrations".* FROM "schema_migrations"
        ProjectMember Load (0.1ms)  SELECT  "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND ("members"."requested_at" IS
      NOT NULL) AND "members"."user_id" = $4  ORDER BY "members"."id" DESC
      LIMIT 1  [["source_type", "Project"], ["source_id", 8], ["source_type",
      "Project"], ["user_id", 24]]
        ProjectMember Load (0.2ms)  SELECT  "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND ("members"."requested_at" IS
      NOT NULL) AND "members"."user_id" = $4  ORDER BY "members"."id" DESC
      LIMIT 1  [["source_type", "Project"], ["source_id", 8], ["source_type",
      "Project"], ["user_id", 23]]
      ```
      
      Without the N+1 queries issues:
      
      ```
        ProjectMember Load (0.3ms)  SELECT  "members".* FROM "members" WHERE
      "members"."source_type" = $1 AND "members"."type" IN ('ProjectMember')
      AND "members"."source_id" = $2 AND "members"."source_type" = $3 AND
      "members"."type" IN ('ProjectMember') AND ("members"."requested_at" IS
      NOT NULL)  ORDER BY "members"."id" DESC LIMIT 20 OFFSET 0
      [["source_type", "Project"], ["source_id", 8], ["source_type",
      "Project"]]
        User Load (0.5ms)  SELECT "users".* FROM "users" WHERE "users"."id" IN
      (24, 23)  ORDER BY "users"."id" DESC
      ```
      Signed-off-by: Rémy Coutable's avatarRémy Coutable <[email protected]>
      5010be77
    • Rémy Coutable's avatar
      New AccessRequests API endpoints for Group & Project · 29850364
      Rémy Coutable authored
      Also, mutualize AccessRequests and Members endpoints for Group &
      Project.
      New API documentation for the AccessRequests endpoints.
      Signed-off-by: Rémy Coutable's avatarRémy Coutable <[email protected]>
      29850364