migrations
library
Functions
-
attributeToSource(FieldAttribute attribute)
→ String
-
Converts a field attribute back into schema source.
-
buildMigrationSqlScript(PlannedMigration plan)
→ String
-
Builds the canonical SQL script for a migration
plan.
-
computeMigrationChecksum({required String provider, required String beforeSchema, required String afterSchema, required String migrationSql, required List<String> warnings, required bool requiresRebuild})
→ String
-
Computes the stable checksum stored with a migration artifact.
-
containsManualMigrationWarnings(Iterable<String> warnings)
→ bool
-
Whether any warning indicates that the migration requires manual intervention.
-
decodeMigrationWarnings(String? rawWarnings)
→ List<String>
-
Decodes warnings from either JSON or the legacy line-based format.
-
detectPotentialDataLossWarnings({required SchemaDocument from, required SchemaDocument to})
→ List<String>
-
Returns human-readable warnings for schema transitions that may lose data.
-
encodeMigrationWarnings(List<String> warnings)
→ String
-
Serializes warning lines into the canonical metadata representation.
-
filterSchemaForUserModels(SchemaDocument schema, {required String historyTableName})
→ SchemaDocument
-
Returns
schema without the provider history table model.
-
isManualMigrationWarning(String warning)
→ bool
-
Whether
warning indicates that the migration cannot be applied automatically.
-
loadLocalMigrationArtifacts(String directoryPath, {required String provider})
→ List<LocalMigrationArtifact>
-
File-backed migration artifact loading is unavailable on web builds.
-
mergeMigrationWarnings(List<String> warnings, List<String> riskWarnings)
→ List<String>
-
Returns the union of plan warnings and detected risk warnings.
-
metadataText({required String name, required DateTime generatedAt, required int statementCount, required int warningCount, required bool rebuildRequired, required String provider, required String checksum})
→ String
-
Builds the
metadata.txt payload for a migration artifact directory.
-
migrationManifestText(Iterable<String> migrationNames)
→ String
-
Builds the canonical migration manifest JSON.
-
modelAttributeToSource(ModelAttribute attribute)
→ String
-
Converts a model-level attribute back into schema source.
-
parseMetadataText(String text)
→ Map<String, String>
-
Parses
metadata.txt content into key-value pairs.
-
parseMigrationManifestText(String text)
→ List<String>
-
Parses migration names from a manifest JSON payload.
-
resolveRollbackTarget<TRecord>({required List<TRecord> activeHistory, required String? migrationName, required String migrationNameOf(TRecord record)})
→ TRecord
-
Resolves which active migration should be rolled back.
-
schemaToSource(SchemaDocument schema)
→ String
-
Converts a schema AST back into
schema.prisma source text.
-
updateMigrationManifest(String directoryPath)
→ void
-
File-backed manifest updates are unavailable on web builds.
