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MDEV-21831: Assertion `length == pack_length()' failed in Field_inet6::sort_string upon INSERT into RocksDB table

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For INET6 columns the values are stored as BINARY columns and returned to the client in TEXT format.
For rocksdb the indexes store mem-comparable images for columns, so use the pack_length() to store
the mem-comparable form for INET6 columns. This would also remain consistent with CHAR columns.
This commit is contained in:
Varun Gupta
2020-06-11 18:14:39 +05:30
parent 757e756d6e
commit 35acf39b5c
3 changed files with 18 additions and 1 deletions
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4
storage/rocksdb/rdb_datadic.cc
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@@ -3317,7 +3317,9 @@ bool Rdb_field_packing::setup(const Rdb_key_def *const key_descr,
field->field_length = field->char_length() * cs->mbmaxlen.
*/
const CHARSET_INFO *cs = field->charset();
m_max_image_len = cs->strnxfrmlen(field->field_length);
m_max_image_len = cs->strnxfrmlen(type == MYSQL_TYPE_STRING ?
field->pack_length() :
field->field_length);
}
const bool is_varchar = (type == MYSQL_TYPE_VARCHAR);
const CHARSET_INFO *cs = field->charset();