diff --git a/scylla-cql/src/frame/response/result.rs b/scylla-cql/src/frame/response/result.rs index 4858d0efc..4120a9a6a 100644 --- a/scylla-cql/src/frame/response/result.rs +++ b/scylla-cql/src/frame/response/result.rs @@ -992,6 +992,7 @@ fn deser_table_spec_for_col_spec<'frame>( global_table_spec_provided: bool, known_table_spec: &'_ mut Option>, col_idx: usize, + expect_all_table_specs_the_same: bool, ) -> StdResult, ColumnSpecParseError> { let table_spec = match known_table_spec { // If global table spec was provided, we simply clone it to each column spec. @@ -1005,19 +1006,21 @@ fn deser_table_spec_for_col_spec<'frame>( deser_table_spec(buf).map_err(|err| mk_col_spec_parse_error(col_idx, err))?; if let Some(ref known_spec) = known_table_spec { - // We assume that for each column, table spec is the same. - // As this is not guaranteed by the CQL protocol specification but only by how - // Cassandra and ScyllaDB work (no support for joins), we perform a sanity check here. - if known_spec.table_name != table_spec.table_name - || known_spec.ks_name != table_spec.ks_name - { - return Err(mk_col_spec_parse_error( - col_idx, - ColumnSpecParseErrorKind::TableSpecDiffersAcrossColumns( - known_spec.clone().into_owned(), - table_spec.into_owned(), - ), - )); + if expect_all_table_specs_the_same { + // In case of ResultMetadata, we assume that for each column, table spec is the same. + // As this is not guaranteed by the CQL protocol specification but only by how + // Cassandra and ScyllaDB work (no support for joins), we perform a sanity check here. + if known_spec.table_name != table_spec.table_name + || known_spec.ks_name != table_spec.ks_name + { + return Err(mk_col_spec_parse_error( + col_idx, + ColumnSpecParseErrorKind::TableSpecDiffersAcrossColumns( + known_spec.clone().into_owned(), + table_spec.into_owned(), + ), + )); + } } } else { // Once we have read the first column spec, we save its table spec @@ -1038,6 +1041,7 @@ fn deser_col_specs_generic<'frame, 'result>( col_count: usize, make_col_spec: fn(&'frame str, ColumnType<'result>, TableSpec<'frame>) -> ColumnSpec<'result>, deser_type: fn(&mut &'frame [u8]) -> StdResult, CqlTypeParseError>, + expect_all_table_specs_the_same: bool, ) -> StdResult>, ColumnSpecParseError> { let global_table_spec_provided = global_table_spec.is_some(); let mut known_table_spec = global_table_spec; @@ -1049,6 +1053,7 @@ fn deser_col_specs_generic<'frame, 'result>( global_table_spec_provided, &mut known_table_spec, col_idx, + expect_all_table_specs_the_same, )?; let name = types::read_string(buf).map_err(|err| mk_col_spec_parse_error(col_idx, err))?; @@ -1072,6 +1077,7 @@ fn deser_col_specs_borrowed<'frame>( buf: &mut &'frame [u8], global_table_spec: Option>, col_count: usize, + expect_all_table_specs_the_same: bool, ) -> StdResult>, ColumnSpecParseError> { deser_col_specs_generic( buf, @@ -1079,6 +1085,7 @@ fn deser_col_specs_borrowed<'frame>( col_count, ColumnSpec::borrowed, deser_type_borrowed, + expect_all_table_specs_the_same, ) } @@ -1095,6 +1102,7 @@ fn deser_col_specs_owned<'frame>( buf: &mut &'frame [u8], global_table_spec: Option>, col_count: usize, + expect_all_table_specs_the_same: bool, ) -> StdResult>, ColumnSpecParseError> { let result: StdResult>, ColumnSpecParseError> = deser_col_specs_generic( buf, @@ -1104,6 +1112,7 @@ fn deser_col_specs_owned<'frame>( ColumnSpec::owned(name.to_owned(), typ, table_spec.into_owned()) }, deser_type_owned, + expect_all_table_specs_the_same, ); result @@ -1134,7 +1143,7 @@ fn deser_result_metadata( .then(|| deser_table_spec(buf)) .transpose()?; - deser_col_specs_owned(buf, global_table_spec, col_count)? + deser_col_specs_owned(buf, global_table_spec, col_count, true)? }; let metadata = ResultMetadata { @@ -1203,7 +1212,7 @@ impl RawMetadataAndRawRows { .then(|| deser_table_spec(buf)) .transpose()?; - let col_specs = deser_col_specs_borrowed(buf, global_table_spec, col_count)?; + let col_specs = deser_col_specs_borrowed(buf, global_table_spec, col_count, true)?; ResultMetadata { col_count, @@ -1303,7 +1312,7 @@ fn deser_prepared_metadata( .then(|| deser_table_spec(buf)) .transpose()?; - let col_specs = deser_col_specs_owned(buf, global_table_spec, col_count)?; + let col_specs = deser_col_specs_owned(buf, global_table_spec, col_count, false)?; Ok(PreparedMetadata { flags,