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authorunknown <anozdrin@mysql.com>2006-05-10 23:16:30 +0400
committerunknown <anozdrin@mysql.com>2006-05-10 23:16:30 +0400
commit24a0b385fb48f3d4ace7df12d7115c80d3f4b0be (patch)
treeeee71724a8803bced338d450083b960c7efcab22 /sql/field_conv.cc
parent38447ae81ad2fc08f654fd4a759c6446f31f2026 (diff)
downloadmariadb-git-24a0b385fb48f3d4ace7df12d7115c80d3f4b0be.tar.gz
Fix for BUG#18587: Function that accepts and returns TEXT
garbles data if longer than 766 chars. The problem is that a stored routine returns BLOBs to the previous caller, BLOBs are shallow-copied (i.e. only pointers to the data are copied). The fix is to also copy data of BLOBs. mysql-test/r/sp.result: Updated result file. mysql-test/t/sp.test: Added a test case for BUG#18587. sql/field_conv.cc: Do not jump to optimization if the field type is BLOB and the destination table requires copying of BLOBs. sql/item_func.cc: Request copying BLOBs for the result table.
Diffstat (limited to 'sql/field_conv.cc')
-rw-r--r--sql/field_conv.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/field_conv.cc b/sql/field_conv.cc
index 895f022624c..4e977c06180 100644
--- a/sql/field_conv.cc
+++ b/sql/field_conv.cc
@@ -642,7 +642,8 @@ void (*Copy_field::get_copy_func(Field *to,Field *from))(Copy_field*)
void field_conv(Field *to,Field *from)
{
- if (to->real_type() == from->real_type())
+ if (to->real_type() == from->real_type() &&
+ !(to->type() == FIELD_TYPE_BLOB && to->table->copy_blobs))
{
if (to->pack_length() == from->pack_length() &&
!(to->flags & UNSIGNED_FLAG && !(from->flags & UNSIGNED_FLAG)) &&