diff --git a/app/models/ci/build_need.rb b/app/models/ci/build_need.rb
index aaec8a540116de76088b9ba5e8c73eb27e6148e2..317f2523f69f70881f22c95d3a80013ef89ccf20 100644
--- a/app/models/ci/build_need.rb
+++ b/app/models/ci/build_need.rb
@@ -3,9 +3,11 @@
 module Ci
   class BuildNeed < Ci::ApplicationRecord
     include Ci::Partitionable
-    include BulkInsertSafe
     include IgnorableColumns
+    include SafelyChangeColumnDefault
+    include BulkInsertSafe
 
+    columns_changing_default :partition_id
     ignore_column :id_convert_to_bigint, remove_with: '16.4', remove_after: '2023-09-22'
 
     belongs_to :build, class_name: "Ci::Processable", foreign_key: :build_id, inverse_of: :needs
diff --git a/app/models/ci/build_pending_state.rb b/app/models/ci/build_pending_state.rb
index 966884ae15854249d956ecdce42cd8b4be34abf9..0b88f745d78faf2e8916f39a006ebf045e30b5b5 100644
--- a/app/models/ci/build_pending_state.rb
+++ b/app/models/ci/build_pending_state.rb
@@ -2,6 +2,9 @@
 
 class Ci::BuildPendingState < Ci::ApplicationRecord
   include Ci::Partitionable
+  include SafelyChangeColumnDefault
+
+  columns_changing_default :partition_id
 
   belongs_to :build, class_name: 'Ci::Build', foreign_key: :build_id, inverse_of: :pending_state
 
diff --git a/app/models/ci/build_report_result.rb b/app/models/ci/build_report_result.rb
index b2d99fab295e113d379e9c79722d56ed67654455..90b621b8da1f4e6497cb3e4b6fdebdccb95b7d75 100644
--- a/app/models/ci/build_report_result.rb
+++ b/app/models/ci/build_report_result.rb
@@ -3,6 +3,9 @@
 module Ci
   class BuildReportResult < Ci::ApplicationRecord
     include Ci::Partitionable
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     self.primary_key = :build_id
 
diff --git a/app/models/ci/build_runner_session.rb b/app/models/ci/build_runner_session.rb
index 5773b6132bea54739f8df5d14abfdab11c4ebade..eaa2e1c428e6ba844663f91923262020ae7e2e60 100644
--- a/app/models/ci/build_runner_session.rb
+++ b/app/models/ci/build_runner_session.rb
@@ -5,6 +5,9 @@ module Ci
   # Data will be removed after transitioning from running to any state.
   class BuildRunnerSession < Ci::ApplicationRecord
     include Ci::Partitionable
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     TERMINAL_SUBPROTOCOL = 'terminal.gitlab.com'
     DEFAULT_SERVICE_NAME = 'build'
diff --git a/app/models/ci/build_trace_chunk.rb b/app/models/ci/build_trace_chunk.rb
index 7ab89533d7637eb3cbf6dfc3d90ba11ea6296afa..0a0f401c9d5903da8c23e59d5ade002dff20d5b3 100644
--- a/app/models/ci/build_trace_chunk.rb
+++ b/app/models/ci/build_trace_chunk.rb
@@ -8,6 +8,9 @@ class BuildTraceChunk < Ci::ApplicationRecord
     include ::Checksummable
     include ::Gitlab::ExclusiveLeaseHelpers
     include ::Gitlab::OptimisticLocking
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     belongs_to :build, class_name: "Ci::Build", foreign_key: :build_id, inverse_of: :trace_chunks
 
diff --git a/app/models/ci/build_trace_metadata.rb b/app/models/ci/build_trace_metadata.rb
index 4c76089617f044432c6c6e464f3a8226b487c973..c5ad3d1942583ca98ab24a86860f624b1d93b844 100644
--- a/app/models/ci/build_trace_metadata.rb
+++ b/app/models/ci/build_trace_metadata.rb
@@ -3,6 +3,9 @@
 module Ci
   class BuildTraceMetadata < Ci::ApplicationRecord
     include Ci::Partitionable
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     MAX_ATTEMPTS = 5
     self.table_name = 'ci_build_trace_metadata'
diff --git a/app/models/ci/job_artifact.rb b/app/models/ci/job_artifact.rb
index 5cd7988837e12b9eeb2b06af9aa49d9428097bbf..11d70e088e9e2d84703bd4568afc06fdb23e73d3 100644
--- a/app/models/ci/job_artifact.rb
+++ b/app/models/ci/job_artifact.rb
@@ -13,6 +13,9 @@ class JobArtifact < Ci::ApplicationRecord
     include FileStoreMounter
     include EachBatch
     include Gitlab::Utils::StrongMemoize
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     enum accessibility: { public: 0, private: 1 }, _suffix: true
 
diff --git a/app/models/ci/job_variable.rb b/app/models/ci/job_variable.rb
index 573999995bc99ebde8e48371ee844bc2168a7401..21c9842399ee1ede85e9ca618dbe84f3c54478bf 100644
--- a/app/models/ci/job_variable.rb
+++ b/app/models/ci/job_variable.rb
@@ -5,8 +5,11 @@ class JobVariable < Ci::ApplicationRecord
     include Ci::Partitionable
     include Ci::NewHasVariable
     include Ci::RawVariable
+    include SafelyChangeColumnDefault
     include BulkInsertSafe
 
+    columns_changing_default :partition_id
+
     belongs_to :job, class_name: "Ci::Build", foreign_key: :job_id, inverse_of: :job_variables
 
     partitionable scope: :job
diff --git a/app/models/ci/pending_build.rb b/app/models/ci/pending_build.rb
index 14050a1e78e45280aeec5fbb3e46fd85d45d0f48..dc9a8b7a1bf7046326e0c7d931a2b7a85d96b20e 100644
--- a/app/models/ci/pending_build.rb
+++ b/app/models/ci/pending_build.rb
@@ -4,6 +4,9 @@ module Ci
   class PendingBuild < Ci::ApplicationRecord
     include EachBatch
     include Ci::Partitionable
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     belongs_to :project
     belongs_to :build, class_name: 'Ci::Build'
diff --git a/app/models/ci/pipeline.rb b/app/models/ci/pipeline.rb
index 69e48cadf975f966f181ed87c7dd7735c5d2e900..bd327cfbe7b61736b7003a7396012bbeca5e3751 100644
--- a/app/models/ci/pipeline.rb
+++ b/app/models/ci/pipeline.rb
@@ -17,6 +17,9 @@ class Pipeline < Ci::ApplicationRecord
     include UpdatedAtFilterable
     include EachBatch
     include FastDestroyAll::Helpers
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     include IgnorableColumns
     ignore_column :id_convert_to_bigint, remove_with: '16.3', remove_after: '2023-08-22'
diff --git a/app/models/ci/pipeline_variable.rb b/app/models/ci/pipeline_variable.rb
index 37d94272fb1a3cb9f5b9b10202f8a339a23b4d75..9747f9ef5271d4576717887b8c94cf5733c599c7 100644
--- a/app/models/ci/pipeline_variable.rb
+++ b/app/models/ci/pipeline_variable.rb
@@ -5,8 +5,10 @@ class PipelineVariable < Ci::ApplicationRecord
     include Ci::Partitionable
     include Ci::HasVariable
     include Ci::RawVariable
-
     include IgnorableColumns
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
     ignore_column :id_convert_to_bigint, remove_with: '16.3', remove_after: '2023-08-22'
     ignore_column :pipeline_id_convert_to_bigint, remove_with: '16.5', remove_after: '2023-10-22'
 
diff --git a/app/models/ci/running_build.rb b/app/models/ci/running_build.rb
index e6f80658f5d7021fee5363fff651fda581866ec7..cfdc47de531fc124fb12855a9e30587d7014fa76 100644
--- a/app/models/ci/running_build.rb
+++ b/app/models/ci/running_build.rb
@@ -10,6 +10,9 @@ module Ci
   # of the running builds there is worth the additional pressure.
   class RunningBuild < Ci::ApplicationRecord
     include Ci::Partitionable
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     partitionable scope: :build
 
diff --git a/app/models/ci/sources/pipeline.rb b/app/models/ci/sources/pipeline.rb
index 719d19f41692d5cee5475c44c745c13f2a1c7dd7..4853c57d41f5e20bebb811ef9b9504e671cee80e 100644
--- a/app/models/ci/sources/pipeline.rb
+++ b/app/models/ci/sources/pipeline.rb
@@ -5,6 +5,9 @@ module Sources
     class Pipeline < Ci::ApplicationRecord
       include Ci::Partitionable
       include Ci::NamespacedModelName
+      include SafelyChangeColumnDefault
+
+      columns_changing_default :partition_id
 
       self.table_name = "ci_sources_pipelines"
 
diff --git a/app/models/ci/stage.rb b/app/models/ci/stage.rb
index af0eee974817bf714706cdb3572b90aaa5cc3d8b..4f9a2e4456272c3039ea63ddfef494083ab1219f 100644
--- a/app/models/ci/stage.rb
+++ b/app/models/ci/stage.rb
@@ -7,6 +7,9 @@ class Stage < Ci::ApplicationRecord
     include Ci::HasStatus
     include Gitlab::OptimisticLocking
     include Presentable
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     partitionable scope: :pipeline
 
diff --git a/app/models/ci/unit_test_failure.rb b/app/models/ci/unit_test_failure.rb
index cfef124916402f4ab929f2d58afd7841efd59855..37893f6cdaeceba3960de2a33942bd877b8bba20 100644
--- a/app/models/ci/unit_test_failure.rb
+++ b/app/models/ci/unit_test_failure.rb
@@ -3,6 +3,9 @@
 module Ci
   class UnitTestFailure < Ci::ApplicationRecord
     include Ci::Partitionable
+    include SafelyChangeColumnDefault
+
+    columns_changing_default :partition_id
 
     REPORT_WINDOW = 14.days
 
diff --git a/db/post_migrate/20230711093010_drop_default_partition_id_value_for_ci_tables.rb b/db/post_migrate/20230711093010_drop_default_partition_id_value_for_ci_tables.rb
new file mode 100644
index 0000000000000000000000000000000000000000..733cab057f6d1fe4e4b0d4c325dc1408c6831298
--- /dev/null
+++ b/db/post_migrate/20230711093010_drop_default_partition_id_value_for_ci_tables.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+class DropDefaultPartitionIdValueForCiTables < Gitlab::Database::Migration[2.1]
+  disable_ddl_transaction!
+
+  TABLES = {
+    ci_build_needs: [:partition_id],
+    ci_build_pending_states: [:partition_id],
+    ci_build_report_results: [:partition_id],
+    ci_build_trace_chunks: [:partition_id],
+    ci_builds_runner_session: [:partition_id],
+    ci_job_variables: [:partition_id],
+    ci_pending_builds: [:partition_id],
+    ci_pipelines: [:partition_id],
+    ci_running_builds: [:partition_id],
+    ci_sources_pipelines: [:partition_id, :source_partition_id],
+    ci_unit_test_failures: [:partition_id]
+  }
+
+  def up
+    TABLES.each do |table_name, columns|
+      with_lock_retries do
+        columns.each do |column_name| # rubocop:disable Migration/WithLockRetriesDisallowedMethod
+          change_column_default(table_name, column_name, from: 100, to: nil)
+        end
+      end
+    end
+  end
+
+  def down
+    TABLES.each do |table_name, columns|
+      with_lock_retries do
+        columns.each do |column_name| # rubocop:disable Migration/WithLockRetriesDisallowedMethod
+          change_column_default(table_name, column_name, from: nil, to: 100)
+        end
+      end
+    end
+  end
+end
diff --git a/db/post_migrate/20230712145323_drop_ci_job_artifacts_partition_id_default.rb b/db/post_migrate/20230712145323_drop_ci_job_artifacts_partition_id_default.rb
new file mode 100644
index 0000000000000000000000000000000000000000..af475ba62d0fdc48ac16e113131dd0f865b8308c
--- /dev/null
+++ b/db/post_migrate/20230712145323_drop_ci_job_artifacts_partition_id_default.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class DropCiJobArtifactsPartitionIdDefault < Gitlab::Database::Migration[2.1]
+  include Gitlab::Database::MigrationHelpers::WraparoundAutovacuum
+
+  enable_lock_retries!
+
+  TABLE_NAME = :ci_job_artifacts
+  COLUMN_NAME = :partition_id
+
+  def up
+    change_column_default(TABLE_NAME, COLUMN_NAME, from: 100, to: nil) if should_run?
+  end
+
+  def down
+    change_column_default(TABLE_NAME, COLUMN_NAME, from: nil, to: 100) if should_run?
+  end
+
+  private
+
+  def should_run?
+    can_execute_on?(TABLE_NAME)
+  end
+end
diff --git a/db/post_migrate/20230712145821_drop_ci_stages_partition_id_default.rb b/db/post_migrate/20230712145821_drop_ci_stages_partition_id_default.rb
new file mode 100644
index 0000000000000000000000000000000000000000..a7c23ac35d2b882f2bb80887fa1fd388386ba68b
--- /dev/null
+++ b/db/post_migrate/20230712145821_drop_ci_stages_partition_id_default.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class DropCiStagesPartitionIdDefault < Gitlab::Database::Migration[2.1]
+  include Gitlab::Database::MigrationHelpers::WraparoundAutovacuum
+
+  enable_lock_retries!
+
+  TABLE_NAME = :ci_stages
+  COLUMN_NAME = :partition_id
+
+  def up
+    change_column_default(TABLE_NAME, COLUMN_NAME, from: 100, to: nil) if should_run?
+  end
+
+  def down
+    change_column_default(TABLE_NAME, COLUMN_NAME, from: nil, to: 100) if should_run?
+  end
+
+  private
+
+  def should_run?
+    can_execute_on?(TABLE_NAME)
+  end
+end
diff --git a/db/post_migrate/20230712145926_drop_ci_build_trace_metadata_partition_id_default.rb b/db/post_migrate/20230712145926_drop_ci_build_trace_metadata_partition_id_default.rb
new file mode 100644
index 0000000000000000000000000000000000000000..dad647246a57469f092e848aa80feb7a7bff15f5
--- /dev/null
+++ b/db/post_migrate/20230712145926_drop_ci_build_trace_metadata_partition_id_default.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class DropCiBuildTraceMetadataPartitionIdDefault < Gitlab::Database::Migration[2.1]
+  include Gitlab::Database::MigrationHelpers::WraparoundAutovacuum
+
+  enable_lock_retries!
+
+  TABLE_NAME = :ci_build_trace_metadata
+  COLUMN_NAME = :partition_id
+
+  def up
+    change_column_default(TABLE_NAME, COLUMN_NAME, from: 100, to: nil) if should_run?
+  end
+
+  def down
+    change_column_default(TABLE_NAME, COLUMN_NAME, from: nil, to: 100) if should_run?
+  end
+
+  private
+
+  def should_run?
+    can_execute_on?(TABLE_NAME)
+  end
+end
diff --git a/db/post_migrate/20230713100100_drop_ci_pipeline_variable_partition_id_default.rb b/db/post_migrate/20230713100100_drop_ci_pipeline_variable_partition_id_default.rb
new file mode 100644
index 0000000000000000000000000000000000000000..5ef3a2caa823badd7443b3b2188c240b31117439
--- /dev/null
+++ b/db/post_migrate/20230713100100_drop_ci_pipeline_variable_partition_id_default.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class DropCiPipelineVariablePartitionIdDefault < Gitlab::Database::Migration[2.1]
+  include Gitlab::Database::MigrationHelpers::WraparoundAutovacuum
+
+  enable_lock_retries!
+
+  TABLE_NAME = :ci_pipeline_variables
+  COLUMN_NAME = :partition_id
+
+  def up
+    change_column_default(TABLE_NAME, COLUMN_NAME, from: 100, to: nil) if should_run?
+  end
+
+  def down
+    change_column_default(TABLE_NAME, COLUMN_NAME, from: nil, to: 100) if should_run?
+  end
+
+  private
+
+  def should_run?
+    can_execute_on?(TABLE_NAME)
+  end
+end
diff --git a/db/schema_migrations/20230711093010 b/db/schema_migrations/20230711093010
new file mode 100644
index 0000000000000000000000000000000000000000..7fcdd69e7dfd875d8209e655c9e1569f95ae05b9
--- /dev/null
+++ b/db/schema_migrations/20230711093010
@@ -0,0 +1 @@
+1634c4bbe3fd813098a4865db2d84e83fd9eac967723c4500da4c78e9255af46
\ No newline at end of file
diff --git a/db/schema_migrations/20230712145323 b/db/schema_migrations/20230712145323
new file mode 100644
index 0000000000000000000000000000000000000000..00d938eb59934cadd0e092bc86341e801f22e4fc
--- /dev/null
+++ b/db/schema_migrations/20230712145323
@@ -0,0 +1 @@
+3102bb4fb27322ca9a0b2f60757a0bb90d7fce74a8607226f2e2bcf336563ceb
\ No newline at end of file
diff --git a/db/schema_migrations/20230712145821 b/db/schema_migrations/20230712145821
new file mode 100644
index 0000000000000000000000000000000000000000..8282462f0de8a7dcdd08b75ea753ac974e1730b7
--- /dev/null
+++ b/db/schema_migrations/20230712145821
@@ -0,0 +1 @@
+cf697183d364abeab6c9701f51db570f153d88949b51a8e157a502c0a38f007e
\ No newline at end of file
diff --git a/db/schema_migrations/20230712145926 b/db/schema_migrations/20230712145926
new file mode 100644
index 0000000000000000000000000000000000000000..b0666ce0cf6f41922acca94a0e20a341e1bef8d4
--- /dev/null
+++ b/db/schema_migrations/20230712145926
@@ -0,0 +1 @@
+992137f8611e57d44b4b3a861fce07353f0eccfafa894dd3cede02554bcde424
\ No newline at end of file
diff --git a/db/schema_migrations/20230713100100 b/db/schema_migrations/20230713100100
new file mode 100644
index 0000000000000000000000000000000000000000..ee77da01273d8c45ce7fcd212fae0132b351295f
--- /dev/null
+++ b/db/schema_migrations/20230713100100
@@ -0,0 +1 @@
+9787c717ecf74dd05277bde331b554fb824d6d39df83b5d46bac45ba1962e96a
\ No newline at end of file
diff --git a/db/structure.sql b/db/structure.sql
index 9685a18a6a93015fbafda299dbd81d28da698db0..239970ac95991dba34dc588555cda3cd259614ef 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -12993,7 +12993,7 @@ CREATE TABLE ci_build_needs (
     artifacts boolean DEFAULT true NOT NULL,
     optional boolean DEFAULT false NOT NULL,
     build_id bigint NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL,
+    partition_id bigint NOT NULL,
     id bigint NOT NULL
 );
 
@@ -13015,7 +13015,7 @@ CREATE TABLE ci_build_pending_states (
     failure_reason smallint,
     trace_checksum bytea,
     trace_bytesize bigint,
-    partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL
 );
 
 CREATE SEQUENCE ci_build_pending_states_id_seq
@@ -13031,7 +13031,7 @@ CREATE TABLE ci_build_report_results (
     build_id bigint NOT NULL,
     project_id bigint NOT NULL,
     data jsonb DEFAULT '{}'::jsonb NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL
 );
 
 CREATE TABLE ci_build_trace_chunks (
@@ -13042,7 +13042,7 @@ CREATE TABLE ci_build_trace_chunks (
     checksum bytea,
     lock_version integer DEFAULT 0 NOT NULL,
     build_id bigint NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL
 );
 
 CREATE SEQUENCE ci_build_trace_chunks_id_seq
@@ -13062,7 +13062,7 @@ CREATE TABLE ci_build_trace_metadata (
     remote_checksum bytea,
     last_archival_attempt_at timestamp with time zone,
     archived_at timestamp with time zone,
-    partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL
 );
 
 CREATE TABLE p_ci_builds (
@@ -13227,7 +13227,7 @@ CREATE TABLE ci_builds_runner_session (
     certificate character varying,
     "authorization" character varying,
     build_id bigint NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL
 );
 
 CREATE SEQUENCE ci_builds_runner_session_id_seq
@@ -13407,7 +13407,7 @@ CREATE TABLE ci_job_artifacts (
     id bigint NOT NULL,
     job_id bigint NOT NULL,
     locked smallint DEFAULT 2,
-    partition_id bigint DEFAULT 100 NOT NULL,
+    partition_id bigint NOT NULL,
     accessibility smallint DEFAULT 0 NOT NULL,
     file_final_path text,
     CONSTRAINT check_27f0f6dbab CHECK ((file_store IS NOT NULL)),
@@ -13450,7 +13450,7 @@ CREATE TABLE ci_job_variables (
     variable_type smallint DEFAULT 1 NOT NULL,
     source smallint DEFAULT 0 NOT NULL,
     raw boolean DEFAULT false NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL
 );
 
 CREATE SEQUENCE ci_job_variables_id_seq
@@ -13543,7 +13543,7 @@ CREATE TABLE ci_pending_builds (
     minutes_exceeded boolean DEFAULT false NOT NULL,
     tag_ids integer[] DEFAULT '{}'::integer[],
     namespace_traversal_ids integer[] DEFAULT '{}'::integer[],
-    partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL
 );
 
 CREATE SEQUENCE ci_pending_builds_id_seq
@@ -13684,7 +13684,7 @@ CREATE TABLE ci_pipeline_variables (
     encrypted_value_iv character varying,
     pipeline_id integer NOT NULL,
     variable_type smallint DEFAULT 1 NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL,
+    partition_id bigint NOT NULL,
     raw boolean DEFAULT false NOT NULL,
     id bigint NOT NULL,
     pipeline_id_convert_to_bigint bigint DEFAULT 0 NOT NULL
@@ -13729,7 +13729,7 @@ CREATE TABLE ci_pipelines (
     external_pull_request_id bigint,
     ci_ref_id bigint,
     locked smallint DEFAULT 1 NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL,
+    partition_id bigint NOT NULL,
     id_convert_to_bigint bigint DEFAULT 0 NOT NULL,
     CONSTRAINT check_d7e99a025e CHECK ((lock_version IS NOT NULL))
 );
@@ -13971,7 +13971,7 @@ CREATE TABLE ci_running_builds (
     runner_id bigint NOT NULL,
     created_at timestamp with time zone DEFAULT now() NOT NULL,
     runner_type smallint NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL
 );
 
 CREATE SEQUENCE ci_running_builds_id_seq
@@ -14037,8 +14037,8 @@ CREATE TABLE ci_sources_pipelines (
     source_project_id integer,
     source_pipeline_id integer,
     source_job_id bigint,
-    partition_id bigint DEFAULT 100 NOT NULL,
-    source_partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL,
+    source_partition_id bigint NOT NULL
 );
 
 CREATE SEQUENCE ci_sources_pipelines_id_seq
@@ -14075,7 +14075,7 @@ CREATE TABLE ci_stages (
     lock_version integer DEFAULT 0,
     "position" integer,
     id bigint NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL,
+    partition_id bigint NOT NULL,
     CONSTRAINT check_81b431e49b CHECK ((lock_version IS NOT NULL))
 );
 
@@ -14148,7 +14148,7 @@ CREATE TABLE ci_unit_test_failures (
     failed_at timestamp with time zone NOT NULL,
     unit_test_id bigint NOT NULL,
     build_id bigint NOT NULL,
-    partition_id bigint DEFAULT 100 NOT NULL
+    partition_id bigint NOT NULL
 );
 
 CREATE SEQUENCE ci_unit_test_failures_id_seq