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Bug#17226: Variable set in cursor on first iteration is assigned

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second iterations value

During assignment to the BLOB variable in routine body the value
wasn't copied.


mysql-test/r/sp-vars.result:
  Add result for bug#17226.
mysql-test/t/sp-vars.test:
  Add test case for bug#17226.
sql/field_conv.cc:
  Honor copy_blobs flag.
This commit is contained in:
unknown 2006-06-30 18:14:22 +04:00
commit fc085d77ad
3 changed files with 59 additions and 3 deletions
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11
sql/field_conv.cc
View file

@ -675,9 +675,14 @@ void field_conv(Field *to,Field *from)
{ // Be sure the value is stored
Field_blob *blob=(Field_blob*) to;
from->val_str(&blob->value);
if (!blob->value.is_alloced() &&
from->real_type() != MYSQL_TYPE_STRING &&
from->real_type() != MYSQL_TYPE_VARCHAR)
/*
Copy value if copy_blobs is set, or source is not a string and
we have a pointer to its internal string conversion buffer.
*/
if (to->table->copy_blobs ||
(!blob->value.is_alloced() &&
from->real_type() != MYSQL_TYPE_STRING &&
from->real_type() != MYSQL_TYPE_VARCHAR))
blob->value.copy();
blob->store(blob->value.ptr(),blob->value.length(),from->charset());
return;