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MDEV-10765: Wrong result - query does not retrieve values from default partition on a table partitioned by list columns

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Partial matches should be treat as not exact one.
This commit is contained in:
Oleksandr Byelkin
2016-09-08 19:43:09 +02:00
parent 2c52493d14
commit b22ed66c6b
3 changed files with 108 additions and 0 deletions
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6
sql/sql_partition.cc
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@ -7723,6 +7723,7 @@ int get_part_iter_for_interval_cols_via_map(partition_info *part_info,
bool can_match_multiple_values;
uint32 nparts;
get_col_endpoint_func UNINIT_VAR(get_col_endpoint);
uint full_length= 0;
DBUG_ENTER("get_part_iter_for_interval_cols_via_map");
if (part_info->part_type == RANGE_PARTITION)
@ -7740,9 +7741,14 @@ int get_part_iter_for_interval_cols_via_map(partition_info *part_info,
else
assert(0);
for (uint32 i= 0; i < part_info->num_columns; i++)
full_length+= store_length_array[i];
can_match_multiple_values= ((flags &
(NO_MIN_RANGE | NO_MAX_RANGE | NEAR_MIN |
NEAR_MAX)) ||
(min_len != max_len) ||
(min_len != full_length) ||
memcmp(min_value, max_value, min_len));
DBUG_ASSERT(can_match_multiple_values || (flags & EQ_RANGE) || flags == 0);
if (can_match_multiple_values && part_info->has_default_partititon())