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prepare_migration_parts

nautilus_persistence::backend::migration

Function prepare_migration_parts 

Source 
pub fn prepare_migration_parts(
    file: &PlannedMigrationFile,
    batches: Vec<RecordBatch>,
) -> Result<Vec<PreparedMigrationPart>>
Expand description

Resolves identifiers, re-encodes built-in batches with the current encoders, and groups batches from one source file.

ยงErrors

Returns an error if an identifier column is not string-like, a batch cannot be sliced or rebuilt with current identifier metadata, or a built-in batch fails its current decoder.