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Minor compactions can compact several delta directories into a single
delta directory. The current directory filtering algorithm had to be
modified to handle minor compacted directories and prefer those over
plain delta directories. This happens in the Frontend, mostly in
AcidUtils.java.
Hive Streaming Ingestion writes similar delta directories, but they
might contain rows Impala cannot see based on its valid write id list.
E.g. we can have the following delta directory:
full_acid/delta_0000001_0000010/0000 # minWriteId: 1
# maxWriteId: 10
This delta dir contains rows with write ids between 1 and 10. But maybe
we are only allowed to see write ids less than 5. Therefore we need to
check the ACID write id column (named originalTransaction) to determine
which rows are valid.
Delta directories written by Hive Streaming don't have a visibility txn
id, so we can recognize them based on the directory name. If there's
a visibilityTxnId and it is committed => every row is valid:
full_acid/delta_0000001_0000010_v01234 # has visibilityTxnId
# every row is valid
If there's no visibilityTxnId then it was created via Hive Streaming,
therefore we need to validate rows. Fortunately Hive Streaming writes
rows with different write ids into different ORC stripes, therefore we
don't need to validate the write id per row. If we had statistics,
we could validate per stripe, but since Hive Streaming doesn't write
statistics we validate the write id per ORC row batch (an alternative
could be to do a 2-pass read, first we'd read a single value from each
stripe's 'currentTransaction' field, then we'd read the stripe if the
write id is valid).
Testing
* the frontend logic is tested in AcidUtilsTest
* the backend row validation is tested in test_acid_row_validation
Change-Id: I5ed74585a2d73ebbcee763b0545be4412926299d
Reviewed-on: http://gerrit.cloudera.org:8080/15818
Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
19 KiB
19 KiB
| 1 | # Table level constraints: |
|---|---|
| 2 | # Allows for defining constraints on which file formats to generate for an individual |
| 3 | # table. The table name should match the base table name defined in the schema template |
| 4 | # file. |
| 5 | table_name:stringids, constraint:restrict_to, table_format:hbase/none/none |
| 6 | table_name:hbasecolumnfamilies, constraint:restrict_to, table_format:hbase/none/none |
| 7 | table_name:insertalltypesagg, constraint:restrict_to, table_format:hbase/none/none |
| 8 | table_name:alltypessmallbinary, constraint:restrict_to, table_format:hbase/none/none |
| 9 | table_name:insertalltypesaggbinary, constraint:restrict_to, table_format:hbase/none/none |
| 10 | table_name:hbasealltypeserror, constraint:restrict_to, table_format:hbase/none/none |
| 11 | table_name:hbasealltypeserrornonulls, constraint:restrict_to, table_format:hbase/none/none |
| 12 | table_name:alltypesinsert, constraint:restrict_to, table_format:text/none/none |
| 13 | table_name:stringpartitionkey, constraint:restrict_to, table_format:text/none/none |
| 14 | table_name:alltypesnopart_insert, constraint:restrict_to, table_format:text/none/none |
| 15 | table_name:insert_overwrite_nopart, constraint:restrict_to, table_format:text/none/none |
| 16 | table_name:insert_overwrite_partitioned, constraint:restrict_to, table_format:text/none/none |
| 17 | table_name:insert_string_partitioned, constraint:restrict_to, table_format:text/none/none |
| 18 | table_name:alltypesinsert, constraint:restrict_to, table_format:parquet/none/none |
| 19 | table_name:alltypesnopart_insert, constraint:restrict_to, table_format:parquet/none/none |
| 20 | table_name:alltypesinsert, constraint:restrict_to, table_format:text/none/none |
| 21 | table_name:alltypesnopart_insert, constraint:restrict_to, table_format:text/none/none |
| 22 | table_name:insert_overwrite_nopart, constraint:restrict_to, table_format:text/none/none |
| 23 | table_name:insert_overwrite_partitioned, constraint:restrict_to, table_format:text/none/none |
| 24 | table_name:insert_string_partitioned, constraint:restrict_to, table_format:text/none/none |
| 25 | table_name:alltypesinsert, constraint:restrict_to, table_format:parquet/none/none |
| 26 | table_name:alltypesnopart_insert, constraint:restrict_to, table_format:parquet/none/none |
| 27 | table_name:insert_overwrite_nopart, constraint:restrict_to, table_format:parquet/none/none |
| 28 | table_name:insert_overwrite_partitioned, constraint:restrict_to, table_format:parquet/none/none |
| 29 | table_name:insert_string_partitioned, constraint:restrict_to, table_format:parquet/none/none |
| 30 | table_name:old_rcfile_table, constraint:restrict_to, table_format:rc/none/none |
| 31 | table_name:bad_text_lzo, constraint:restrict_to, table_format:text/lzo/block |
| 32 | table_name:bad_text_gzip, constraint:restrict_to, table_format:text/gzip/block |
| 33 | table_name:bad_seq_snap, constraint:restrict_to, table_format:seq/snap/block |
| 34 | table_name:bad_avro_snap_strings, constraint:restrict_to, table_format:avro/snap/block |
| 35 | table_name:bad_avro_snap_floats, constraint:restrict_to, table_format:avro/snap/block |
| 36 | table_name:bad_avro_decimal_schema, constraint:restrict_to, table_format:avro/snap/block |
| 37 | table_name:bad_avro_date_out_of_range, constraint:restrict_to, table_format:avro/snap/block |
| 38 | table_name:hive2_bad_avro_date_pre_gregorian, constraint:restrict_to, table_format:avro/snap/block |
| 39 | table_name:hive3_avro_date_pre_gregorian, constraint:restrict_to, table_format:avro/snap/block |
| 40 | table_name:bad_parquet, constraint:restrict_to, table_format:parquet/none/none |
| 41 | table_name:bad_parquet_strings_negative_len, constraint:restrict_to, table_format:parquet/none/none |
| 42 | table_name:bad_parquet_strings_out_of_bounds, constraint:restrict_to, table_format:parquet/none/none |
| 43 | table_name:bad_magic_number, constraint:restrict_to, table_format:parquet/none/none |
| 44 | table_name:bad_metadata_len, constraint:restrict_to, table_format:parquet/none/none |
| 45 | table_name:bad_dict_page_offset, constraint:restrict_to, table_format:parquet/none/none |
| 46 | table_name:bad_compressed_size, constraint:restrict_to, table_format:parquet/none/none |
| 47 | table_name:alltypesagg_hive_13_1, constraint:restrict_to, table_format:parquet/none/none |
| 48 | table_name:kite_required_fields, constraint:restrict_to, table_format:parquet/none/none |
| 49 | table_name:bad_column_metadata, constraint:restrict_to, table_format:parquet/none/none |
| 50 | table_name:lineitem_multiblock, constraint:restrict_to, table_format:parquet/none/none |
| 51 | table_name:lineitem_sixblocks, constraint:restrict_to, table_format:parquet/none/none |
| 52 | table_name:lineitem_multiblock_one_row_group, constraint:restrict_to, table_format:parquet/none/none |
| 53 | table_name:customer_multiblock, constraint:restrict_to, table_format:parquet/none/none |
| 54 | table_name:hudi_partitioned, constraint:restrict_to, table_format:parquet/none/none |
| 55 | table_name:hudi_non_partitioned, constraint:restrict_to, table_format:parquet/none/none |
| 56 | table_name:hudi_as_parquet, constraint:restrict_to, table_format:parquet/none/none |
| 57 | # TODO: Support Avro. Data loading currently fails for Avro because complex types |
| 58 | # cannot be converted to the corresponding Avro types yet. |
| 59 | table_name:allcomplextypes, constraint:restrict_to, table_format:text/none/none |
| 60 | table_name:allcomplextypes, constraint:restrict_to, table_format:parquet/none/none |
| 61 | table_name:allcomplextypes, constraint:restrict_to, table_format:hbase/none/none |
| 62 | table_name:functional, constraint:restrict_to, table_format:text/none/none |
| 63 | table_name:complextypes_fileformat, constraint:restrict_to, table_format:text/none/none |
| 64 | table_name:complextypes_fileformat, constraint:restrict_to, table_format:parquet/none/none |
| 65 | table_name:complextypes_fileformat, constraint:restrict_to, table_format:avro/snap/block |
| 66 | table_name:complextypes_fileformat, constraint:restrict_to, table_format:rc/snap/block |
| 67 | table_name:complextypes_fileformat, constraint:restrict_to, table_format:seq/snap/block |
| 68 | table_name:complextypes_fileformat, constraint:restrict_to, table_format:orc/def/block |
| 69 | table_name:complextypes_multifileformat, constraint:restrict_to, table_format:text/none/none |
| 70 | # TODO: Avro |
| 71 | table_name:complextypestbl, constraint:restrict_to, table_format:parquet/none/none |
| 72 | table_name:complextypestbl, constraint:restrict_to, table_format:orc/def/block |
| 73 | table_name:complextypestbl_minor_compacted, constraint:restrict_to, table_format:orc/def/block |
| 74 | table_name:complextypestbl_medium, constraint:restrict_to, table_format:parquet/none/none |
| 75 | table_name:complextypestbl_medium, constraint:restrict_to, table_format:orc/def/block |
| 76 | table_name:complextypestbl_non_transactional, constraint:restrict_to, table_format:orc/def/block |
| 77 | table_name:alltypeserror, constraint:exclude, table_format:parquet/none/none |
| 78 | table_name:alltypeserrornonulls, constraint:exclude, table_format:parquet/none/none |
| 79 | table_name:unsupported_types, constraint:exclude, table_format:parquet/none/none |
| 80 | table_name:escapechartesttable, constraint:exclude, table_format:parquet/none/none |
| 81 | table_name:TblWithRaggedColumns, constraint:exclude, table_format:parquet/none/none |
| 82 | # the text_ tables are for testing test delimiters and escape chars in text files |
| 83 | table_name:text_comma_backslash_newline, constraint:restrict_to, table_format:text/none/none |
| 84 | table_name:text_dollar_hash_pipe, constraint:restrict_to, table_format:text/none/none |
| 85 | table_name:text_thorn_ecirc_newline, constraint:restrict_to, table_format:text/none/none |
| 86 | table_name:bad_serde, constraint:restrict_to, table_format:text/none/none |
| 87 | table_name:rcfile_lazy_binary_serde, constraint:restrict_to, table_format:rc/none/none |
| 88 | table_name:unsupported_partition_types, constraint:restrict_to, table_format:text/none/none |
| 89 | table_name:nullformat_custom, constraint:exclude, table_format:parquet/none/none |
| 90 | table_name:alltypes_view, constraint:restrict_to, table_format:text/none/none |
| 91 | table_name:allcomplextypes_view, constraint:restrict_to, table_format:text/none/none |
| 92 | table_name:alltypes_view, constraint:restrict_to, table_format:seq/snap/block |
| 93 | table_name:alltypes_hive_view, constraint:restrict_to, table_format:text/none/none |
| 94 | table_name:alltypes_view_sub, constraint:restrict_to, table_format:text/none/none |
| 95 | table_name:alltypes_view_sub, constraint:restrict_to, table_format:seq/snap/block |
| 96 | table_name:alltypes_parens, constraint:restrict_to, table_format:text/none/none |
| 97 | table_name:complex_view, constraint:restrict_to, table_format:text/none/none |
| 98 | table_name:complex_view, constraint:restrict_to, table_format:seq/snap/block |
| 99 | table_name:view_view, constraint:restrict_to, table_format:text/none/none |
| 100 | table_name:view_view, constraint:restrict_to, table_format:seq/snap/block |
| 101 | table_name:subquery_view, constraint:restrict_to, table_format:seq/snap/block |
| 102 | table_name:subquery_view, constraint:restrict_to, table_format:rc/none/none |
| 103 | # liketbl, tblwithraggedcolumns and manynulls all have |
| 104 | # NULLs in primary key columns. hbase does not support |
| 105 | # writing NULLs to primary key columns. |
| 106 | table_name:liketbl, constraint:exclude, table_format:hbase/none/none |
| 107 | table_name:manynulls, constraint:exclude, table_format:hbase/none/none |
| 108 | table_name:tblwithraggedcolumns, constraint:exclude, table_format:hbase/none/none |
| 109 | # Tables with only one column are not supported in hbase. |
| 110 | table_name:greptiny, constraint:exclude, table_format:hbase/none/none |
| 111 | table_name:tinyinttable, constraint:exclude, table_format:hbase/none/none |
| 112 | # overflow uses a manually constructed text file which doesn't make sense to write to |
| 113 | # other table formats since the values that would be written are different (e.g. already |
| 114 | # truncated.) |
| 115 | table_name:overflow, constraint:restrict_to, table_format:text/none/none |
| 116 | # widerow has a single column with a single row containing a 10MB string. hbase doesn't |
| 117 | # seem to like this. |
| 118 | table_name:widerow, constraint:exclude, table_format:hbase/none/none |
| 119 | # nullformat_custom is used in null-insert tests, which user insert overwrite, |
| 120 | # which is not supported in hbase. The schema is also specified in HIVE_CREATE |
| 121 | # with no corresponding LOAD statement. |
| 122 | table_name:nullformat_custom, constraint:exclude, table_format:hbase/none/none |
| 123 | table_name:unsupported_types, constraint:exclude, table_format:hbase/none/none |
| 124 | # Decimal can only be tested on formats Impala can write to (text and parquet). |
| 125 | # TODO: add Avro once Hive or Impala can write Avro decimals |
| 126 | table_name:decimal_tbl, constraint:restrict_to, table_format:text/none/none |
| 127 | table_name:decimal_tiny, constraint:restrict_to, table_format:text/none/none |
| 128 | table_name:decimal_tbl, constraint:restrict_to, table_format:parquet/none/none |
| 129 | table_name:decimal_tiny, constraint:restrict_to, table_format:parquet/none/none |
| 130 | table_name:decimal_tbl, constraint:restrict_to, table_format:kudu/none/none |
| 131 | table_name:decimal_tiny, constraint:restrict_to, table_format:kudu/none/none |
| 132 | table_name:decimal_tbl, constraint:restrict_to, table_format:orc/def/block |
| 133 | table_name:decimal_tiny, constraint:restrict_to, table_format:orc/def/block |
| 134 | table_name:decimal_rtf_tbl, constraint:restrict_to, table_format:text/none/none |
| 135 | table_name:decimal_rtf_tbl, constraint:restrict_to, table_format:parquet/none/none |
| 136 | table_name:decimal_rtf_tbl, constraint:restrict_to, table_format:kudu/none/none |
| 137 | table_name:decimal_rtf_tbl, constraint:restrict_to, table_format:orc/def/block |
| 138 | table_name:decimal_rtf_tiny_tbl, constraint:restrict_to, table_format:text/none/none |
| 139 | table_name:decimal_rtf_tiny_tbl, constraint:restrict_to, table_format:parquet/none/none |
| 140 | table_name:decimal_rtf_tiny_tbl, constraint:restrict_to, table_format:kudu/none/none |
| 141 | table_name:decimal_rtf_tiny_tbl, constraint:restrict_to, table_format:orc/def/block |
| 142 | table_name:avro_decimal_tbl, constraint:restrict_to, table_format:avro/snap/block |
| 143 | # CHAR is not supported by HBase. |
| 144 | table_name:chars_tiny, constraint:exclude, table_format:hbase/none/none |
| 145 | table_name:chars_medium, constraint:exclude, table_format:hbase/none/none |
| 146 | # invalid_decimal_part_tbl[1,2,3] tables are used for testing invalid decimal |
| 147 | # partition key values (see IMPALA-1040) |
| 148 | table_name:invalid_decimal_part_tbl1, constraint:restrict_to, table_format:text/none/none |
| 149 | table_name:invalid_decimal_part_tbl2, constraint:restrict_to, table_format:text/none/none |
| 150 | table_name:invalid_decimal_part_tbl3, constraint:restrict_to, table_format:text/none/none |
| 151 | table_name:avro_decimal_tbl, constraint:restrict_to, table_format:avro/snap/block |
| 152 | # testescape tables are used for testing text scanner delimiter handling |
| 153 | table_name:table_no_newline, constraint:restrict_to, table_format:text/none/none |
| 154 | table_name:table_no_newline_part, constraint:restrict_to, table_format:text/none/none |
| 155 | table_name:testescape_16_lf, constraint:restrict_to, table_format:text/none/none |
| 156 | table_name:testescape_16_crlf, constraint:restrict_to, table_format:text/none/none |
| 157 | table_name:testescape_17_lf, constraint:restrict_to, table_format:text/none/none |
| 158 | table_name:testescape_17_crlf, constraint:restrict_to, table_format:text/none/none |
| 159 | table_name:testescape_32_lf, constraint:restrict_to, table_format:text/none/none |
| 160 | table_name:testescape_32_crlf, constraint:restrict_to, table_format:text/none/none |
| 161 | # alltimezones is used to verify that impala properly deals with timezones |
| 162 | table_name:alltimezones, constraint:restrict_to, table_format:text/none/none |
| 163 | # Avro schema is inferred from the column definitions (IMPALA-1136) |
| 164 | table_name:no_avro_schema, constraint:restrict_to, table_format:avro/snap/block |
| 165 | table_name:avro_unicode_nulls, constraint:restrict_to, table_format:avro/snap/block |
| 166 | # test single and multi stream bz2 files |
| 167 | table_name:bzip2_tbl, constraint:restrict_to, table_format:text/bzip/block |
| 168 | table_name:large_bzip2_tbl, constraint:restrict_to, table_format:text/bzip/block |
| 169 | table_name:multistream_bzip2_tbl, constraint:restrict_to, table_format:text/bzip/block |
| 170 | table_name:large_multistream_bzip2_tbl, constraint:restrict_to, table_format:text/bzip/block |
| 171 | # Kudu can't handle certain types such as timestamp so we pick and choose the tables |
| 172 | # we actually use for Kudu related tests. |
| 173 | table_name:alltypes, constraint:only, table_format:kudu/none/none |
| 174 | table_name:alltypessmall, constraint:only, table_format:kudu/none/none |
| 175 | table_name:alltypestiny, constraint:only, table_format:kudu/none/none |
| 176 | table_name:alltypesagg, constraint:only, table_format:kudu/none/none |
| 177 | table_name:alltypesaggnonulls, constraint:only, table_format:kudu/none/none |
| 178 | table_name:testtbl, constraint:only, table_format:kudu/none/none |
| 179 | table_name:jointbl, constraint:only, table_format:kudu/none/none |
| 180 | table_name:emptytable, constraint:only, table_format:kudu/none/none |
| 181 | table_name:dimtbl, constraint:only, table_format:kudu/none/none |
| 182 | table_name:tinytable, constraint:only, table_format:kudu/none/none |
| 183 | table_name:tinyinttable, constraint:only, table_format:kudu/none/none |
| 184 | table_name:zipcode_incomes, constraint:only, table_format:kudu/none/none |
| 185 | table_name:nulltable, constraint:only, table_format:kudu/none/none |
| 186 | table_name:nullrows, constraint:only, table_format:kudu/none/none |
| 187 | table_name:nullescapedtable, constraint:only, table_format:kudu/none/none |
| 188 | table_name:decimal_tbl, constraint:only, table_format:kudu/none/none |
| 189 | table_name:decimal_rtf_tbl, constraint:only, table_format:kudu/none/none |
| 190 | table_name:decimal_rtf_tiny_tbl, constraint:only, table_format:kudu/none/none |
| 191 | table_name:decimal_tiny, constraint:only, table_format:kudu/none/none |
| 192 | table_name:strings_with_quotes, constraint:only, table_format:kudu/none/none |
| 193 | table_name:manynulls, constraint:only, table_format:kudu/none/none |
| 194 | # Skipping header lines is only effective with text tables |
| 195 | table_name:table_with_header, constraint:restrict_to, table_format:text/none/none |
| 196 | table_name:table_with_header_2, constraint:restrict_to, table_format:text/none/none |
| 197 | table_name:table_with_header_insert, constraint:restrict_to, table_format:text/none/none |
| 198 | # We also test that skipping header lines works on compressed tables (IMPALA-5287) |
| 199 | table_name:table_with_header, constraint:restrict_to, table_format:text/gzip/block |
| 200 | table_name:table_with_header_2, constraint:restrict_to, table_format:text/gzip/block |
| 201 | table_name:table_with_header_insert, constraint:restrict_to, table_format:text/gzip/block |
| 202 | # Inserting into parquet tables should not be affected by the 'skip.header.line.count' |
| 203 | # property, so we test parquet format as well. |
| 204 | table_name:table_with_header_insert, constraint:restrict_to, table_format:parquet/none/none |
| 205 | # IMPALA-7368/IMPALA-7370/IMPALA-8198 adds DATE support for text, hbase, parquet and avro. |
| 206 | # IMPALA-8801 adds DATE support for ORC. |
| 207 | # Other file-formats will be introduced later. |
| 208 | table_name:date_tbl, constraint:restrict_to, table_format:parquet/none/none |
| 209 | table_name:date_tbl, constraint:restrict_to, table_format:avro/snap/block |
| 210 | table_name:date_tbl, constraint:restrict_to, table_format:orc/def/block |
| 211 | table_name:date_tbl, constraint:restrict_to, table_format:hbase/none/none |
| 212 | table_name:date_tbl, constraint:restrict_to, table_format:text/none/none |
| 213 | table_name:date_tbl, constraint:restrict_to, table_format:text/lzo/block |
| 214 | table_name:date_tbl, constraint:restrict_to, table_format:text/bzip/block |
| 215 | table_name:date_tbl, constraint:restrict_to, table_format:text/gzip/block |
| 216 | table_name:date_tbl, constraint:restrict_to, table_format:text/snap/block |
| 217 | table_name:date_tbl, constraint:restrict_to, table_format:text/def/block |
| 218 | table_name:date_tbl_error, constraint:restrict_to, table_format:text/none/none |
| 219 | table_name:date_tbl_error, constraint:restrict_to, table_format:text/lzo/block |
| 220 | table_name:date_tbl_error, constraint:restrict_to, table_format:text/bzip/block |
| 221 | table_name:date_tbl_error, constraint:restrict_to, table_format:text/gzip/block |
| 222 | table_name:date_tbl_error, constraint:restrict_to, table_format:text/snap/block |
| 223 | table_name:date_tbl_error, constraint:restrict_to, table_format:text/def/block |
| 224 | table_name:insert_date_tbl, constraint:restrict_to, table_format:hbase/none/none |
| 225 | # Full transactional table is only supported for ORC |
| 226 | table_name:full_transactional_table, constraint:restrict_to, table_format:orc/def/block |
| 227 | # Insert-only transactional tables only work for file-format based tables |
| 228 | table_name:insert_only_transactional_table, constraint:exclude, table_format:hbase/none/none |
| 229 | table_name:insert_only_transactional_table, constraint:exclude, table_format:kudu/none/none |
| 230 | table_name:insertonly_nopart_insert, constraint:restrict_to, table_format:text/none/none |
| 231 | table_name:insertonly_nopart_insert, constraint:restrict_to, table_format:parquet/none/none |
| 232 | table_name:insertonly_part_insert, constraint:restrict_to, table_format:text/none/none |
| 233 | table_name:insertonly_part_insert, constraint:restrict_to, table_format:parquet/none/none |
| 234 | # 'materialized_view' is based on 'insert_only_transactional_table' from the same |
| 235 | # database, so it needs to be excluded where 'insert_only_transactional_table' is |
| 236 | # excluded. |
| 237 | table_name:materialized_view, constraint:exclude, table_format:hbase/none/none |
| 238 | table_name:materialized_view, constraint:exclude, table_format:kudu/none/none |
| 239 | table_name:insert_only_transactional_bucketed_table, constraint:exclude, table_format:hbase/none/none |
| 240 | table_name:insert_only_transactional_bucketed_table, constraint:exclude, table_format:kudu/none/none |
| 241 | # Bucketed tables only work for file-format based tables |
| 242 | table_name:bucketed_ext_table, constraint:exclude, table_format:hbase/none/none |
| 243 | table_name:bucketed_ext_table, constraint:exclude, table_format:kudu/none/none |
| 244 | table_name:bucketed_table, constraint:exclude, table_format:hbase/none/none |
| 245 | table_name:bucketed_table, constraint:exclude, table_format:kudu/none/none |
| 246 | table_name:bucketed_table, constraint:exclude, table_format:text/lzo/block |
| 247 | # The uncompressed ORC tables are mainly used in test_scanners_fuzz.py to avoid creating |
| 248 | # them each time when running the test. Developers may run this test many times locally. |
| 249 | table_name:uncomp_src_alltypes, constraint:restrict_to, table_format:orc/def/block |
| 250 | table_name:uncomp_src_decimal_tbl, constraint:restrict_to, table_format:orc/def/block |
| 251 | table_name:part_strings_with_quotes, constraint:restrict_to, table_format:text/none/none |