diff --git a/app/assets/javascripts/monitoring/components/charts/time_series.vue b/app/assets/javascripts/monitoring/components/charts/time_series.vue
index e7cd612409f..054111c203e 100644
--- a/app/assets/javascripts/monitoring/components/charts/time_series.vue
+++ b/app/assets/javascripts/monitoring/components/charts/time_series.vue
@@ -1,6 +1,6 @@
 <script>
 import { isEmpty, omit, throttle } from 'lodash';
-import { GlLink, GlDeprecatedButton, GlTooltip, GlResizeObserverDirective } from '@gitlab/ui';
+import { GlLink, GlTooltip, GlResizeObserverDirective } from '@gitlab/ui';
 import { GlAreaChart, GlLineChart, GlChartSeriesLabel } from '@gitlab/ui/dist/charts';
 import { s__ } from '~/locale';
 import { getSvgIconPathContent } from '~/lib/utils/icon_utils';
@@ -25,7 +25,6 @@ export default {
     GlAreaChart,
     GlLineChart,
     GlTooltip,
-    GlDeprecatedButton,
     GlChartSeriesLabel,
     GlLink,
     Icon,
diff --git a/app/graphql/resolvers/ci_configuration/sast_resolver.rb b/app/graphql/resolvers/ci_configuration/sast_resolver.rb
deleted file mode 100644
index e8c42076ea2..00000000000
--- a/app/graphql/resolvers/ci_configuration/sast_resolver.rb
+++ /dev/null
@@ -1,17 +0,0 @@
-# frozen_string_literal: true
-
-require "json"
-
-module Resolvers
-  module CiConfiguration
-    class SastResolver < BaseResolver
-      SAST_UI_SCHEMA_PATH = 'app/validators/json_schemas/security_ci_configuration_schemas/sast_ui_schema.json'
-
-      type ::Types::CiConfiguration::Sast::Type, null: true
-
-      def resolve(**args)
-        Gitlab::Json.parse(File.read(Rails.root.join(SAST_UI_SCHEMA_PATH)))
-      end
-    end
-  end
-end
diff --git a/app/graphql/resolvers/project_pipeline_resolver.rb b/app/graphql/resolvers/project_pipeline_resolver.rb
index 5bafe3dd140..181c1e77109 100644
--- a/app/graphql/resolvers/project_pipeline_resolver.rb
+++ b/app/graphql/resolvers/project_pipeline_resolver.rb
@@ -10,7 +10,7 @@ module Resolvers
 
     def resolve(iid:)
       BatchLoader::GraphQL.for(iid).batch(key: project) do |iids, loader, args|
-        args[:key].ci_pipelines.for_iid(iids).each { |pl| loader.call(pl.iid.to_s, pl) }
+        args[:key].all_pipelines.for_iid(iids).each { |pl| loader.call(pl.iid.to_s, pl) }
       end
     end
   end
diff --git a/app/graphql/types/ci/pipeline_config_source_enum.rb b/app/graphql/types/ci/pipeline_config_source_enum.rb
new file mode 100644
index 00000000000..48f88c133b4
--- /dev/null
+++ b/app/graphql/types/ci/pipeline_config_source_enum.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module Types
+  module Ci
+    class PipelineConfigSourceEnum < BaseEnum
+      ::Ci::PipelineEnums.config_sources.keys.each do |state_symbol|
+        value state_symbol.to_s.upcase, value: state_symbol.to_s
+      end
+    end
+  end
+end
diff --git a/app/graphql/types/ci/pipeline_type.rb b/app/graphql/types/ci/pipeline_type.rb
index caa7079e2c6..c9cbae2d828 100644
--- a/app/graphql/types/ci/pipeline_type.rb
+++ b/app/graphql/types/ci/pipeline_type.rb
@@ -25,6 +25,8 @@ module Types
       field :detailed_status, Types::Ci::DetailedStatusType, null: false,
             description: 'Detailed status of the pipeline',
             resolve: -> (obj, _args, ctx) { obj.detailed_status(ctx[:current_user]) }
+      field :config_source, PipelineConfigSourceEnum, null: true,
+            description: "Config source of the pipeline (#{::Ci::PipelineEnums.config_sources.keys.join(', ').upcase})"
       field :duration, GraphQL::INT_TYPE, null: true,
             description: 'Duration of the pipeline in seconds'
       field :coverage, GraphQL::FLOAT_TYPE, null: true,
diff --git a/app/graphql/types/ci_configuration/sast/analyzers_entity_type.rb b/app/graphql/types/ci_configuration/sast/analyzers_entity_type.rb
deleted file mode 100644
index ccd1c7dd0eb..00000000000
--- a/app/graphql/types/ci_configuration/sast/analyzers_entity_type.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-# frozen_string_literal: true
-
-module Types
-  module CiConfiguration
-    module Sast
-      # rubocop: disable Graphql/AuthorizeTypes
-      class AnalyzersEntityType < BaseObject
-        graphql_name 'SastCiConfigurationAnalyzersEntity'
-        description 'Represents an analyzer entity in SAST CI configuration'
-
-        field :name, GraphQL::STRING_TYPE, null: true,
-          description: 'Name of the analyzer.'
-
-        field :label, GraphQL::STRING_TYPE, null: true,
-          description: 'Analyzer label used in the config UI.'
-
-        field :enabled, GraphQL::BOOLEAN_TYPE, null: true,
-          description: 'Indicates whether an analyzer is enabled.'
-
-        field :description, GraphQL::STRING_TYPE, null: true,
-          description: 'Analyzer description that is displayed on the form.'
-      end
-    end
-  end
-end
diff --git a/app/graphql/types/ci_configuration/sast/entity_type.rb b/app/graphql/types/ci_configuration/sast/entity_type.rb
deleted file mode 100644
index b61b582ad20..00000000000
--- a/app/graphql/types/ci_configuration/sast/entity_type.rb
+++ /dev/null
@@ -1,34 +0,0 @@
-# frozen_string_literal: true
-
-module Types
-  module CiConfiguration
-    module Sast
-      # rubocop: disable Graphql/AuthorizeTypes
-      class EntityType < BaseObject
-        graphql_name 'SastCiConfigurationEntity'
-        description 'Represents an entity in SAST CI configuration'
-
-        field :field, GraphQL::STRING_TYPE, null: true,
-          description: 'CI keyword of entity.'
-
-        field :label, GraphQL::STRING_TYPE, null: true,
-          description: 'Label for entity used in the form.'
-
-        field :type, GraphQL::STRING_TYPE, null: true,
-          description: 'Type of the field value.'
-
-        field :options, ::Types::CiConfiguration::Sast::OptionsEntityType.connection_type, null: true,
-          description: 'Different possible values of the field.'
-
-        field :default_value, GraphQL::STRING_TYPE, null: true,
-          description: 'Default value that is used if value is empty.'
-
-        field :description, GraphQL::STRING_TYPE, null: true,
-          description: 'Entity description that is displayed on the form.'
-
-        field :value, GraphQL::STRING_TYPE, null: true,
-          description: 'Current value of the entity.'
-      end
-    end
-  end
-end
diff --git a/app/graphql/types/ci_configuration/sast/options_entity_type.rb b/app/graphql/types/ci_configuration/sast/options_entity_type.rb
deleted file mode 100644
index 86d104a7fda..00000000000
--- a/app/graphql/types/ci_configuration/sast/options_entity_type.rb
+++ /dev/null
@@ -1,19 +0,0 @@
-# frozen_string_literal: true
-
-module Types
-  module CiConfiguration
-    module Sast
-      # rubocop: disable Graphql/AuthorizeTypes
-      class OptionsEntityType < BaseObject
-        graphql_name 'SastCiConfigurationOptionsEntity'
-        description 'Represents an entity for options in SAST CI configuration'
-
-        field :label, GraphQL::STRING_TYPE, null: true,
-          description: 'Label of option entity.'
-
-        field :value, GraphQL::STRING_TYPE, null: true,
-          description: 'Value of option entity.'
-      end
-    end
-  end
-end
diff --git a/app/graphql/types/ci_configuration/sast/type.rb b/app/graphql/types/ci_configuration/sast/type.rb
deleted file mode 100644
index 35d11584ac7..00000000000
--- a/app/graphql/types/ci_configuration/sast/type.rb
+++ /dev/null
@@ -1,22 +0,0 @@
-# frozen_string_literal: true
-
-module Types
-  module CiConfiguration
-    module Sast
-      # rubocop: disable Graphql/AuthorizeTypes
-      class Type < BaseObject
-        graphql_name 'SastCiConfiguration'
-        description 'Represents a CI configuration of SAST'
-
-        field :global, ::Types::CiConfiguration::Sast::EntityType.connection_type, null: true,
-          description: 'List of global entities related to SAST configuration.'
-
-        field :pipeline, ::Types::CiConfiguration::Sast::EntityType.connection_type, null: true,
-          description: 'List of pipeline entities related to SAST configuration.'
-
-        field :analyzers, ::Types::CiConfiguration::Sast::AnalyzersEntityType.connection_type, null: true,
-          description: 'List of analyzers entities attached to SAST configuration.'
-      end
-    end
-  end
-end
diff --git a/app/graphql/types/project_type.rb b/app/graphql/types/project_type.rb
index 523e019b955..5562db69de6 100644
--- a/app/graphql/types/project_type.rb
+++ b/app/graphql/types/project_type.rb
@@ -175,10 +175,6 @@ module Types
           description: 'A single environment of the project',
           resolver: Resolvers::EnvironmentsResolver.single
 
-    field :sast_ci_configuration, ::Types::CiConfiguration::Sast::Type, null: true,
-          description: 'SAST CI configuration for the project',
-          resolver: ::Resolvers::CiConfiguration::SastResolver
-
     field :issue,
           Types::IssueType,
           null: true,
diff --git a/app/validators/json_schemas/security_ci_configuration_schemas/sast_ui_schema.json b/app/validators/json_schemas/security_ci_configuration_schemas/sast_ui_schema.json
index cce2b28529f..aa4dd60a9fb 100644
--- a/app/validators/json_schemas/security_ci_configuration_schemas/sast_ui_schema.json
+++ b/app/validators/json_schemas/security_ci_configuration_schemas/sast_ui_schema.json
@@ -4,83 +4,43 @@
             "field" : "SECURE_ANALYZERS_PREFIX",
             "label" : "Image prefix",
             "type": "string",
-            "default_value": "registry.gitlab.com/gitlab-org/security-products/analyzers",
-            "value": ""
+            "default_value": "",
+            "value": "",
+            "description": "Analyzer image's registry prefix (or Name of the registry providing the analyzers' image)"
         },
         {
             "field" : "SAST_EXCLUDED_PATHS",
             "label" : "Excluded Paths",
             "type": "string",
-            "default_value": "spec, test, tests, tmp",
-            "value": ""
+            "default_value": "",
+            "value": "",
+            "description": "Comma-separated list of paths to be excluded from analyzer output. Patterns can be globs, file paths, or folder paths."
         },
         {
             "field" : "SAST_ANALYZER_IMAGE_TAG",
             "label" : "Image tag",
             "type": "string",
-            "options": [],
-            "default_value": "2",
-            "value": ""
-        },
-        {
-            "field" : "SAST_DISABLED",
-            "label" : "Disable SAST",
-            "type": "options",
-            "options": [
-                {
-                    "value" :"true",
-                    "label" : "true (disables SAST)"
-                },
-                {
-                    "value":"false",
-                    "label":"false (enables SAST)"
-                }
-            ],
-            "default_value": "false",
-            "value": ""
+            "default_value": "",
+            "value": "",
+            "description": "Analyzer image's tag"
         }
     ],
     "pipeline": [
         {
             "field" : "stage",
             "label" : "Stage",
-            "type": "dropdown",
-            "options": [
-                {
-                    "value" :"test",
-                    "label" : "test"
-                },
-                {
-                    "value":"build",
-                    "label":"build"
-                }
-            ],
-            "default_value": "test",
-            "value": ""
-        },
-        {
-            "field" : "allow_failure",
-            "label" : "Allow Failure",
-            "type": "options",
-            "options": [
-                {
-                    "value" :"true",
-                    "label" : "Allows pipeline failure"
-                },
-                {
-                    "value": "false",
-                    "label": "Does not allow pipeline failure"
-                }
-            ],
-            "default_value": "true",
-            "value": ""
-        },
-        {
-            "field" : "rules",
-            "label" : "Rules",
-            "type": "multiline",
+            "type": "string",
             "default_value": "",
-            "value": ""
+            "value": "",
+            "description": "Pipeline stage in which the scan jobs run"
+        },
+        {
+            "field" : "SEARCH_MAX_DEPTH",
+            "label" : "Search maximum depth",
+            "type": "string",
+            "default_value": "",
+            "value": "",
+            "description": "Maximum depth of language and framework detection"
         }
     ],
     "analyzers": [
diff --git a/changelogs/unreleased/229914-remove-constraint-on-audit-event-type.yml b/changelogs/unreleased/229914-remove-constraint-on-audit-event-type.yml
new file mode 100644
index 00000000000..d218fa007cd
--- /dev/null
+++ b/changelogs/unreleased/229914-remove-constraint-on-audit-event-type.yml
@@ -0,0 +1,5 @@
+---
+title: Remove not-null constraint on type column in audit_events
+merge_request: 39192
+author:
+type: other
diff --git a/changelogs/unreleased/null-pipeline-in-graphql-response-224687.yml b/changelogs/unreleased/null-pipeline-in-graphql-response-224687.yml
new file mode 100644
index 00000000000..f3490df8178
--- /dev/null
+++ b/changelogs/unreleased/null-pipeline-in-graphql-response-224687.yml
@@ -0,0 +1,5 @@
+---
+title: Allow GraphQL pipeline to resolve non-CI pipelines and expose configSource field
+merge_request: 39275
+author:
+type: added
diff --git a/db/migrate/20200811055018_remove_not_null_constraint_on_type_from_audit_events.rb b/db/migrate/20200811055018_remove_not_null_constraint_on_type_from_audit_events.rb
new file mode 100644
index 00000000000..629f357cd19
--- /dev/null
+++ b/db/migrate/20200811055018_remove_not_null_constraint_on_type_from_audit_events.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+class RemoveNotNullConstraintOnTypeFromAuditEvents < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  # rubocop:disable Migration/WithLockRetriesDisallowedMethod
+  # To avoid deadlock on audit_event and audit_event_part... since there is a trigger to insert record from audit_events
+  # to audit_events_part..., we need to ensure each ALTER TABLE command run in its own transaction.
+  def up
+    with_lock_retries do
+      change_column_null :audit_events_part_5fc467ac26, :type, true
+    end
+
+    with_lock_retries do
+      change_column_null :audit_events, :type, true
+    end
+  end
+  # rubocop:enable Migration/WithLockRetriesDisallowedMethod
+
+  def down
+    # no-op -- null values might be added after this constraint is removed.
+  end
+end
diff --git a/db/schema_migrations/20200811055018 b/db/schema_migrations/20200811055018
new file mode 100644
index 00000000000..abf090f8281
--- /dev/null
+++ b/db/schema_migrations/20200811055018
@@ -0,0 +1 @@
+b7477fbcba166d848e3b1bd7f4a184f50f3b2fafe80bfcf44fd6f4f9979ffcb7
\ No newline at end of file
diff --git a/db/structure.sql b/db/structure.sql
index 62cb3964bb9..8b14be0905b 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -68,7 +68,7 @@ COMMENT ON FUNCTION public.table_sync_function_2be879775d() IS 'Partitioning mig
 CREATE TABLE public.audit_events_part_5fc467ac26 (
     id bigint NOT NULL,
     author_id integer NOT NULL,
-    type character varying NOT NULL,
+    type character varying,
     entity_id integer NOT NULL,
     entity_type character varying NOT NULL,
     details text,
@@ -9466,7 +9466,7 @@ CREATE TABLE public.ar_internal_metadata (
 CREATE TABLE public.audit_events (
     id integer NOT NULL,
     author_id integer NOT NULL,
-    type character varying NOT NULL,
+    type character varying,
     entity_id integer NOT NULL,
     entity_type character varying NOT NULL,
     details text,
diff --git a/doc/api/graphql/reference/gitlab_schema.graphql b/doc/api/graphql/reference/gitlab_schema.graphql
index 9263dce0898..387867309b8 100644
--- a/doc/api/graphql/reference/gitlab_schema.graphql
+++ b/doc/api/graphql/reference/gitlab_schema.graphql
@@ -10261,6 +10261,13 @@ type Pipeline {
   """
   committedAt: Time
 
+  """
+  Config source of the pipeline (UNKNOWN_SOURCE, REPOSITORY_SOURCE,
+  AUTO_DEVOPS_SOURCE, WEBIDE_SOURCE, REMOTE_SOURCE, EXTERNAL_PROJECT_SOURCE,
+  BRIDGE_SOURCE, PARAMETER_SOURCE)
+  """
+  configSource: PipelineConfigSourceEnum
+
   """
   Coverage percentage
   """
@@ -10353,6 +10360,17 @@ type Pipeline {
   userPermissions: PipelinePermissions!
 }
 
+enum PipelineConfigSourceEnum {
+  AUTO_DEVOPS_SOURCE
+  BRIDGE_SOURCE
+  EXTERNAL_PROJECT_SOURCE
+  PARAMETER_SOURCE
+  REMOTE_SOURCE
+  REPOSITORY_SOURCE
+  UNKNOWN_SOURCE
+  WEBIDE_SOURCE
+}
+
 """
 The connection type for Pipeline.
 """
diff --git a/doc/api/graphql/reference/gitlab_schema.json b/doc/api/graphql/reference/gitlab_schema.json
index 1d791644909..b2d2bd61d5b 100644
--- a/doc/api/graphql/reference/gitlab_schema.json
+++ b/doc/api/graphql/reference/gitlab_schema.json
@@ -30652,6 +30652,20 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "configSource",
+              "description": "Config source of the pipeline (UNKNOWN_SOURCE, REPOSITORY_SOURCE, AUTO_DEVOPS_SOURCE, WEBIDE_SOURCE, REMOTE_SOURCE, EXTERNAL_PROJECT_SOURCE, BRIDGE_SOURCE, PARAMETER_SOURCE)",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "ENUM",
+                "name": "PipelineConfigSourceEnum",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "coverage",
               "description": "Coverage percentage",
@@ -30927,6 +30941,65 @@
           "enumValues": null,
           "possibleTypes": null
         },
+        {
+          "kind": "ENUM",
+          "name": "PipelineConfigSourceEnum",
+          "description": null,
+          "fields": null,
+          "inputFields": null,
+          "interfaces": null,
+          "enumValues": [
+            {
+              "name": "UNKNOWN_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "REPOSITORY_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "AUTO_DEVOPS_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "WEBIDE_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "REMOTE_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "EXTERNAL_PROJECT_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "BRIDGE_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "PARAMETER_SOURCE",
+              "description": null,
+              "isDeprecated": false,
+              "deprecationReason": null
+            }
+          ],
+          "possibleTypes": null
+        },
         {
           "kind": "OBJECT",
           "name": "PipelineConnection",
diff --git a/doc/api/graphql/reference/index.md b/doc/api/graphql/reference/index.md
index fac5357dc78..dd2fa5e191b 100644
--- a/doc/api/graphql/reference/index.md
+++ b/doc/api/graphql/reference/index.md
@@ -1571,6 +1571,7 @@ Information about pagination in a connection.
 | ---   |  ---- | ----------  |
 | `beforeSha` | String | Base SHA of the source branch |
 | `committedAt` | Time | Timestamp of the pipeline's commit |
+| `configSource` | PipelineConfigSourceEnum | Config source of the pipeline (UNKNOWN_SOURCE, REPOSITORY_SOURCE, AUTO_DEVOPS_SOURCE, WEBIDE_SOURCE, REMOTE_SOURCE, EXTERNAL_PROJECT_SOURCE, BRIDGE_SOURCE, PARAMETER_SOURCE) |
 | `coverage` | Float | Coverage percentage |
 | `createdAt` | Time! | Timestamp of the pipeline's creation |
 | `detailedStatus` | DetailedStatus! | Detailed status of the pipeline |
diff --git a/lib/gitlab/usage_data.rb b/lib/gitlab/usage_data.rb
index db2aff9b25a..f2a7da73120 100644
--- a/lib/gitlab/usage_data.rb
+++ b/lib/gitlab/usage_data.rb
@@ -306,6 +306,7 @@ module Gitlab
         Gitlab::UsageData::Topology.new.topology_usage_data
       end
 
+      # rubocop: disable UsageData/DistinctCountByLargeForeignKey
       def ingress_modsecurity_usage
         ##
         # This method measures usage of the Modsecurity Web Application Firewall across the entire
@@ -326,6 +327,7 @@ module Gitlab
           ingress_modsecurity_not_installed: distinct_count(successful_deployments_with_cluster(::Clusters::Applications::Ingress.modsecurity_not_installed), column)
         }
       end
+      # rubocop: enable UsageData/DistinctCountByLargeForeignKey
 
       # rubocop: disable CodeReuse/ActiveRecord
       def container_expiration_policies_usage
@@ -729,9 +731,11 @@ module Gitlab
       end
 
       # rubocop: disable CodeReuse/ActiveRecord
+      # rubocop: disable UsageData/DistinctCountByLargeForeignKey
       def cluster_applications_user_distinct_count(applications, time_period)
         distinct_count(applications.where(time_period).available.joins(:cluster), 'clusters.user_id')
       end
+      # rubocop: enable UsageData/DistinctCountByLargeForeignKey
 
       def clusters_user_distinct_count(clusters, time_period)
         distinct_count(clusters.where(time_period), :user_id)
diff --git a/rubocop/cop/usage_data/distinct_count_by_large_foreign_key.rb b/rubocop/cop/usage_data/distinct_count_by_large_foreign_key.rb
new file mode 100644
index 00000000000..098410e5ad2
--- /dev/null
+++ b/rubocop/cop/usage_data/distinct_count_by_large_foreign_key.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+module RuboCop
+  module Cop
+    module UsageData
+      # Allows counts only for selected tables' foreign keys for `distinct_count` method.
+      #
+      # Because distinct_counts over large tables' foreign keys will take a long time
+      #
+      # @example
+      #
+      #   # bad because pipeline_id points to a large table
+      #   distinct_count(Ci::Build, :commit_id)
+      #
+      class DistinctCountByLargeForeignKey < RuboCop::Cop::Cop
+        MSG = 'Avoid doing `%s` for large foreign keys.'.freeze
+
+        def_node_matcher :distinct_count?, <<-PATTERN
+          (send _ $:distinct_count $...)
+        PATTERN
+
+        def on_send(node)
+          distinct_count?(node) do |method_name, method_arguments|
+            next unless method_arguments && method_arguments.length >= 2
+            next if allowed_foreign_key?(method_arguments[1])
+
+            add_offense(node, location: :selector, message: format(MSG, method_name))
+          end
+        end
+
+        private
+
+        def allowed_foreign_key?(key)
+          key.type == :sym && allowed_foreign_keys.include?(key.value)
+        end
+
+        def allowed_foreign_keys
+          cop_config['AllowedForeignKeys'] || []
+        end
+      end
+    end
+  end
+end
diff --git a/rubocop/rubocop-usage-data.yml b/rubocop/rubocop-usage-data.yml
index 887d7aa9427..bd0dd58dcdf 100644
--- a/rubocop/rubocop-usage-data.yml
+++ b/rubocop/rubocop-usage-data.yml
@@ -30,3 +30,16 @@ UsageData/LargeTable:
     - :arel_table
     - :minimum
     - :maximum
+UsageData/DistinctCountByLargeForeignKey:
+  Enabled: true
+  Include:
+    - 'lib/gitlab/usage_data.rb'
+    - 'ee/lib/ee/gitlab/usage_data.rb'
+  AllowedForeignKeys:
+    - :user_id
+    - :author_id
+    - :creator_id
+    - :owner_id
+    - :project_id
+    - :issue_id
+    - :merge_request_id
diff --git a/spec/graphql/resolvers/ci_configuration/sast_resolver_spec.rb b/spec/graphql/resolvers/ci_configuration/sast_resolver_spec.rb
deleted file mode 100644
index de69ad5d450..00000000000
--- a/spec/graphql/resolvers/ci_configuration/sast_resolver_spec.rb
+++ /dev/null
@@ -1,28 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe Resolvers::CiConfiguration::SastResolver do
-  include GraphqlHelpers
-
-  let_it_be(:user) { create(:user) }
-  let_it_be(:project) { create(:project) }
-
-  describe '#resolve' do
-    subject(:sast_config) { resolve(described_class, ctx: { current_user: user }, obj: project) }
-
-    it 'returns global variable informations related to SAST' do
-      expect(sast_config['global'].first['field']).to eql("SECURE_ANALYZERS_PREFIX")
-      expect(sast_config['global'].first['label']).to eql("Image prefix")
-      expect(sast_config['global'].first['type']).to eql("string")
-
-      expect(sast_config['pipeline'].first['field']).to eql("stage")
-      expect(sast_config['pipeline'].first['label']).to eql("Stage")
-      expect(sast_config['pipeline'].first['type']).to eql("dropdown")
-
-      expect(sast_config['analyzers'].first['name']).to eql("brakeman")
-      expect(sast_config['analyzers'].first['label']).to eql("Brakeman")
-      expect(sast_config['analyzers'].first['enabled']).to be true
-    end
-  end
-end
diff --git a/spec/graphql/resolvers/project_pipeline_resolver_spec.rb b/spec/graphql/resolvers/project_pipeline_resolver_spec.rb
index a659b3bdb6e..fada2f9193c 100644
--- a/spec/graphql/resolvers/project_pipeline_resolver_spec.rb
+++ b/spec/graphql/resolvers/project_pipeline_resolver_spec.rb
@@ -33,4 +33,21 @@ RSpec.describe Resolvers::ProjectPipelineResolver do
   it 'errors when no iid is passed' do
     expect { resolve_pipeline(project, {}) }.to raise_error(ArgumentError)
   end
+
+  context 'when the pipeline is not a ci_config_source' do
+    let(:pipeline) do
+      config_source_value = Ci::PipelineEnums.non_ci_config_source_values.first
+      config_source = Ci::PipelineEnums.config_sources.key(config_source_value)
+
+      create(:ci_pipeline, config_source: config_source, project: project)
+    end
+
+    it 'resolves pipeline for the passed iid' do
+      result = batch_sync do
+        resolve_pipeline(project, { iid: pipeline.iid.to_s })
+      end
+
+      expect(result).to eq(pipeline)
+    end
+  end
 end
diff --git a/spec/graphql/types/ci_configuration/sast/analyzers_entity_type_spec.rb b/spec/graphql/types/ci_configuration/sast/analyzers_entity_type_spec.rb
deleted file mode 100644
index 34a22feeaf5..00000000000
--- a/spec/graphql/types/ci_configuration/sast/analyzers_entity_type_spec.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe GitlabSchema.types['SastCiConfigurationAnalyzersEntity'] do
-  let(:fields) { %i[name label enabled description] }
-
-  it { expect(described_class.graphql_name).to eq('SastCiConfigurationAnalyzersEntity') }
-
-  it { expect(described_class).to have_graphql_fields(fields) }
-end
diff --git a/spec/graphql/types/ci_configuration/sast/entity_type_spec.rb b/spec/graphql/types/ci_configuration/sast/entity_type_spec.rb
deleted file mode 100644
index 7c6ad013d4a..00000000000
--- a/spec/graphql/types/ci_configuration/sast/entity_type_spec.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe GitlabSchema.types['SastCiConfigurationEntity'] do
-  let(:fields) { %i[field label description type options default_value value] }
-
-  it { expect(described_class.graphql_name).to eq('SastCiConfigurationEntity') }
-
-  it { expect(described_class).to have_graphql_fields(fields) }
-end
diff --git a/spec/graphql/types/ci_configuration/sast/options_entity_spec.rb b/spec/graphql/types/ci_configuration/sast/options_entity_spec.rb
deleted file mode 100644
index c60c8b9c84a..00000000000
--- a/spec/graphql/types/ci_configuration/sast/options_entity_spec.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe GitlabSchema.types['SastCiConfigurationOptionsEntity'] do
-  let(:fields) { %i[label value] }
-
-  it { expect(described_class.graphql_name).to eq('SastCiConfigurationOptionsEntity') }
-
-  it { expect(described_class).to have_graphql_fields(fields) }
-end
diff --git a/spec/graphql/types/ci_configuration/sast/type_spec.rb b/spec/graphql/types/ci_configuration/sast/type_spec.rb
deleted file mode 100644
index e7a8cd436e4..00000000000
--- a/spec/graphql/types/ci_configuration/sast/type_spec.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe GitlabSchema.types['SastCiConfiguration'] do
-  let(:fields) { %i[global pipeline analyzers] }
-
-  it { expect(described_class.graphql_name).to eq('SastCiConfiguration') }
-
-  it { expect(described_class).to have_graphql_fields(fields) }
-end
diff --git a/spec/graphql/types/project_type_spec.rb b/spec/graphql/types/project_type_spec.rb
index a0b6858fc99..8a5d0cdf12d 100644
--- a/spec/graphql/types/project_type_spec.rb
+++ b/spec/graphql/types/project_type_spec.rb
@@ -26,7 +26,7 @@ RSpec.describe GitlabSchema.types['Project'] do
       grafanaIntegration autocloseReferencedIssues suggestion_commit_message environments
       environment boards jira_import_status jira_imports services releases release
       alert_management_alerts alert_management_alert alert_management_alert_status_counts
-      container_expiration_policy sast_ci_configuration service_desk_enabled service_desk_address
+      container_expiration_policy service_desk_enabled service_desk_address
       issue_status_counts
     ]
 
@@ -150,93 +150,5 @@ RSpec.describe GitlabSchema.types['Project'] do
     it { is_expected.to have_graphql_type(Types::ContainerExpirationPolicyType) }
   end
 
-  describe 'sast_ci_configuration' do
-    let_it_be(:project) { create(:project) }
-    let_it_be(:user) { create(:user) }
-    let_it_be(:query) do
-      %(
-        query {
-          project(fullPath: "#{project.full_path}") {
-            sastCiConfiguration {
-              global {
-                nodes {
-                  type
-                  options {
-                    nodes {
-                      label
-                      value
-                    }
-                  }
-                  field
-                  label
-                  defaultValue
-                  value
-                }
-              }
-              pipeline {
-                nodes {
-                  type
-                  options {
-                    nodes {
-                      label
-                      value
-                    }
-                  }
-                  field
-                  label
-                  defaultValue
-                  value
-                }
-              }
-              analyzers {
-                nodes {
-                  name
-                  label
-                  enabled
-                }
-              }
-            }
-          }
-        }
-      )
-    end
-
-    subject { GitlabSchema.execute(query, context: { current_user: user }).as_json }
-
-    before do
-      project.add_developer(user)
-    end
-
-    it "returns the project's sast configuration for global variables" do
-      query_result = subject.dig('data', 'project', 'sastCiConfiguration', 'global', 'nodes')
-      first_config = query_result.first
-      fourth_config = query_result[3]
-      expect(first_config['type']).to eq('string')
-      expect(first_config['field']).to eq('SECURE_ANALYZERS_PREFIX')
-      expect(first_config['label']).to eq('Image prefix')
-      expect(first_config['defaultValue']).to eq('registry.gitlab.com/gitlab-org/security-products/analyzers')
-      expect(first_config['value']).to eq('')
-      expect(first_config['options']).to be_nil
-      expect(fourth_config['options']['nodes']).to match([{ "value" => "true", "label" => "true (disables SAST)" },
-                                                          { "value" => "false", "label" => "false (enables SAST)" }])
-    end
-
-    it "returns the project's sast configuration for pipeline variables" do
-      configuration = subject.dig('data', 'project', 'sastCiConfiguration', 'pipeline', 'nodes').first
-      expect(configuration['type']).to eq('dropdown')
-      expect(configuration['field']).to eq('stage')
-      expect(configuration['label']).to eq('Stage')
-      expect(configuration['defaultValue']).to eq('test')
-      expect(configuration['value']).to eq('')
-    end
-
-    it "returns the project's sast configuration for analyzer variables" do
-      configuration = subject.dig('data', 'project', 'sastCiConfiguration', 'analyzers', 'nodes').first
-      expect(configuration['name']).to eq('brakeman')
-      expect(configuration['label']).to eq('Brakeman')
-      expect(configuration['enabled']).to eq(true)
-    end
-  end
-
   it_behaves_like 'a GraphQL type with labels'
 end
diff --git a/spec/models/audit_event_partitioned_spec.rb b/spec/models/audit_event_partitioned_spec.rb
index 381e755091a..fe69f0083b7 100644
--- a/spec/models/audit_event_partitioned_spec.rb
+++ b/spec/models/audit_event_partitioned_spec.rb
@@ -10,6 +10,13 @@ RSpec.describe AuditEventPartitioned do
     expect(partitioned_table.column_names).to match_array(source_table.column_names)
   end
 
+  it 'has the same null constraints as the source table' do
+    constraints_from_source_table = null_constraints(source_table)
+    constraints_from_partitioned_table = null_constraints(partitioned_table)
+
+    expect(constraints_from_partitioned_table.to_a).to match_array(constraints_from_source_table.to_a)
+  end
+
   it 'inserts the same record as the one in the source table', :aggregate_failures do
     expect { create(:audit_event) }.to change { partitioned_table.count }.by(1)
 
@@ -22,4 +29,13 @@ RSpec.describe AuditEventPartitioned do
 
     expect(event_from_partitioned_table).to eq(event_from_source_table)
   end
+
+  def null_constraints(table)
+    table.connection.select_all(<<~SQL)
+      SELECT c.column_name, c.is_nullable
+      FROM information_schema.columns c
+      WHERE c.table_name = '#{table.table_name}'
+      AND c.column_name != 'created_at'
+    SQL
+  end
 end
diff --git a/spec/requests/api/graphql/project/pipeline_spec.rb b/spec/requests/api/graphql/project/pipeline_spec.rb
index 57b9de25c3d..fef0e7e160c 100644
--- a/spec/requests/api/graphql/project/pipeline_spec.rb
+++ b/spec/requests/api/graphql/project/pipeline_spec.rb
@@ -29,4 +29,10 @@ RSpec.describe 'getting pipeline information nested in a project' do
 
     expect(pipeline_graphql_data).not_to be_nil
   end
+
+  it 'contains configSource' do
+    post_graphql(query, current_user: current_user)
+
+    expect(pipeline_graphql_data.dig('configSource')).to eq('UNKNOWN_SOURCE')
+  end
 end
diff --git a/spec/rubocop/cop/usage_data/distinct_count_by_large_foreign_key_spec.rb b/spec/rubocop/cop/usage_data/distinct_count_by_large_foreign_key_spec.rb
new file mode 100644
index 00000000000..db931c50bdf
--- /dev/null
+++ b/spec/rubocop/cop/usage_data/distinct_count_by_large_foreign_key_spec.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+
+require 'rubocop'
+require 'rubocop/rspec/support'
+
+require_relative '../../../../rubocop/cop/usage_data/distinct_count_by_large_foreign_key'
+
+RSpec.describe RuboCop::Cop::UsageData::DistinctCountByLargeForeignKey, type: :rubocop do
+  include CopHelper
+
+  let(:allowed_foreign_keys) { %i[author_id user_id] }
+
+  let(:config) do
+    RuboCop::Config.new('UsageData/DistinctCountByLargeForeignKey' => {
+                          'AllowedForeignKeys' => allowed_foreign_keys
+                        })
+  end
+
+  subject(:cop) { described_class.new(config) }
+
+  context 'when counting by disallowed key' do
+    it 'register an offence' do
+      inspect_source('distinct_count(Issue, :creator_id)')
+
+      expect(cop.offenses.size).to eq(1)
+    end
+  end
+
+  context 'when calling by allowed key' do
+    it 'does not register an offence' do
+      inspect_source('distinct_count(Issue, :author_id)')
+
+      expect(cop.offenses).to be_empty
+    end
+  end
+end
diff --git a/spec/support/gitlab_stubs/gitlab_ci_for_sast.yml b/spec/support/gitlab_stubs/gitlab_ci_for_sast.yml
new file mode 100644
index 00000000000..4134660e4b9
--- /dev/null
+++ b/spec/support/gitlab_stubs/gitlab_ci_for_sast.yml
@@ -0,0 +1,13 @@
+include:
+  - template: SAST.gitlab-ci.yml
+
+variables:
+  SECURE_ANALYZERS_PREFIX: "registry.gitlab.com/gitlab-org/security-products/analyzers2"
+  SAST_EXCLUDED_PATHS: "spec, executables"
+
+stages:
+  - our_custom_security_stage
+sast:
+  stage:  our_custom_security_stage
+  variables:
+    SEARCH_MAX_DEPTH: 8
diff --git a/spec/support/shared_contexts/read_ci_configuration_shared_context.rb b/spec/support/shared_contexts/read_ci_configuration_shared_context.rb
new file mode 100644
index 00000000000..f8f33e2a745
--- /dev/null
+++ b/spec/support/shared_contexts/read_ci_configuration_shared_context.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+RSpec.shared_context 'read ci configuration for sast enabled project' do
+  let_it_be(:gitlab_ci_yml_content) do
+    File.read(Rails.root.join('spec/support/gitlab_stubs/gitlab_ci_for_sast.yml'))
+  end
+
+  let_it_be(:project) { create(:project, :repository) }
+end