Crate type_bridge_migration 

Migration specification IR for type-bridge.

This crate defines the serde contract that Python migration authoring lowers into, plus pure validation, checksum gates, the transaction-aware planner, and the async executor that runs each step over a Database.

Re-exports

pub use adoption::LEGACY_ADOPTION_METADATA_V2;

pub use adoption::LEGACY_IGNORED_SOURCE_METADATA_V1;

pub use adoption::LEGACY_SIDECAR_ADOPTION_METADATA_V1;

pub use adoption::LegacyAdoptionHistory;

pub use adoption::LegacyAdoptionMetadata;

pub use adoption::LegacyDirectoryAuthority;

pub use adoption::LegacyDirectoryEntry;

pub use adoption::LegacyIgnoredSourceMetadata;

pub use adoption::LegacyMetadataRevision;

pub use adoption::LegacySchemaEffect;

pub use adoption::LegacySidecarAdoptionMetadata;

pub use adoption::MAX_LEGACY_ARTIFACT_BYTES;

pub use adoption::MAX_LEGACY_DIRECTORY_ENTRIES;

pub use adoption::MAX_LEGACY_HISTORY_BYTES;

pub use adoption::VerifiedLegacyHead;

pub use adoption::load_adoption_history;

pub use adoption::reconstruct_legacy_head;

pub use author::map_schema_diff;

pub use backfill::BackfillResult;

pub use backfill::execute_backfill;

pub use checksum::ChecksumDrift;

pub use checksum::check_checksum_drift;

pub use checksum::checksum_drift_errors;

pub use checksum::migration_file_checksum;

pub use error::MigrationError;

pub use error::Result;

pub use executor::MigrationResult;

pub use executor::execute_migration;

pub use executor::execute_plan;

pub use executor::execute_plan_with_run_log;

pub use graph::AppliedMigrationRecord;

pub use graph::MigrationValidationError;

pub use graph::ValidationCode;

pub use graph::validate_graph;

pub use loader::load_dir;

pub use loader::load_dir_checked;

pub use loader::load_sidecar;

pub use plan::ExecutionPlan;

pub use plan::ExecutionStep;

pub use plan::MigrationAction;

pub use plan::MigrationExecution;

pub use plan::OperationKind;

pub use plan::StepKind;

pub use plan::plan;

pub use recovery::CheckedExecutionPlan;

pub use recovery::CheckedExecutionStep;

pub use recovery::CheckedMigrationExecution;

pub use recovery::CheckedMigrationIdentity;

pub use recovery::ExecutionStepId;

pub use recovery::PendingProof;

pub use recovery::RecoveryExecutionResult;

pub use recovery::RecoveryFuture;

pub use recovery::RecoveryMigrationResult;

pub use recovery::RecoveryMigrationStatus;

pub use recovery::RecoveryPlanStatus;

pub use recovery::StepExecutionOutcome;

pub use recovery::StepExecutionResult;

pub use recovery::StepRecoveryController;

pub use recovery::StepRecoveryDecision;

pub use recovery::StepRecoveryEvent;

pub use recovery::StepRecoveryEventKind;

pub use recovery::execute_recovery_plan;

pub use recovery::plan_recovery;

pub use recovery::prepare_recovery_plan;

pub use spec::MigrationDependencySpec;

pub use spec::MigrationGraph;

pub use spec::MigrationSpec;

pub use spec::OperationSpec;

pub use state::InMemoryStateStore;

pub use state::LegacyCutoverSentinelError;

pub use state::LegacyCutoverSentinelExpectation;

pub use state::MigrationExecutorInfo;

pub use state::MigrationRunRecord;

pub use state::MigrationStateSchemaKind;

pub use state::MigrationStateStore;

pub use state::TypeDbStateStore;

pub use state::VerifiedLegacyAppliedPartition;

pub use state::applied_migration_entity_label;

pub use state::collect_executor_info;

pub use state::finished_run_record;

pub use state::is_migration_state_type;

pub use state::migration_state_schema;

pub use state::migration_timestamp_now;

pub use state::require_legacy_writer_open;

pub use state::require_legacy_writer_open_in_transaction;

pub use state::started_run_record;

Modules

adoption

Read-only legacy-history evidence used by the V2 adoption checkpoint.

author

Canonical migration authoring core (#166).

backfill

Backfill count derivation for StepKind::Backfill steps.

checksum

Migration checksum calculation and drift detection.

error

Error types for migration IR and validation boundaries.

executor

Async migration executor.

graph

Pure migration graph validation.

legacy_cli

Released V1 command-line parser and command runner.

loader

Native Rust sidecar loader for migration files.

plan

Pure migration planner.

recovery

Fail-closed per-step execution for externally owned migration ledgers.

spec

Serde migration specification types.

state

Migration state backend seam.

Constants

LEGACY_CUTOVER_SENTINEL_APPLIED_AT

Deterministic TypeDB datetime carried by the V2 cutover sentinel.

LEGACY_CUTOVER_SENTINEL_APP_LABEL

Reserved applied-ledger application label for the V2 cutover sentinel.

LEGACY_CUTOVER_SENTINEL_MIGRATION_ID

Reserved applied-ledger key for the V2 cutover sentinel.

LEGACY_CUTOVER_SENTINEL_NAME

Reserved applied-ledger migration name for the V2 cutover sentinel.

LEGACY_WRITER_CUTOVER_MESSAGE

Stable error text returned when an exact, anchor-bound cutover is observed.