Function mz_sql::plan::statement::ddl::apply_source_envelope_encoding

source ยท 
fn apply_source_envelope_encoding(
    scx: &StatementContext<'_>,
    envelope: &SourceEnvelope,
    format: &Option<FormatSpecifier<Aug>>,
    key_desc: Option<RelationDesc>,
    value_desc: RelationDesc,
    ignore_keys: Option<bool>,
    include_metadata: &[SourceIncludeMetadata],
    metadata_columns_desc: Vec<(&str, ColumnType)>,
    source_connection: &GenericSourceConnection<ReferencedConnection>,
) -> Result<(RelationDesc, SourceEnvelope, Option<SourceDataEncoding<ReferencedConnection>>), PlanError>