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Bug # 17173 - Partitions: less than search fails

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Bug # 17894 - Comparison with "less than" operator fails with range partition

The problem here was that on queries such as < 3, the range given is NULL < n < 3.
The null part works correctly where the null value is stored in rec[0] and the
field is marked as being null.  However, when the 3 is processed, the 3 is places
on rec[0] but the null flag is left uncleared.

partition_range.result:
  Results block for bug #17894
partition_range.test:
  Test block for bug #17894
partition_list.result:
  Results block for bug #17173
partition_list.test:
  Test block for bug #17173
opt_range.cc:
  call set_notnull to clear any null flag that may have been set


sql/opt_range.cc:
  call set_notnull to clear any null flag that may have been set
mysql-test/t/partition_list.test:
  Test block for bug #17173
mysql-test/r/partition_list.result:
  Results block for bug #17173
mysql-test/t/partition_range.test:
  Test block for bug #17894
mysql-test/r/partition_range.result:
  Results block for bug #17894
This commit is contained in:
unknown
2006-03-13 14:50:16 +01:00
parent 4487b8538f
commit 0c63aee7f9
5 changed files with 79 additions and 0 deletions
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1
sql/opt_range.cc
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@ -2430,6 +2430,7 @@ void store_key_image_to_rec(Field *field, char *ptr, uint len)
field->set_null();
return;
}
field->set_notnull();
ptr++;
}
field->set_key_image(ptr, len);