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authorunknown <monty@hundin.mysql.fi>2002-10-16 10:32:45 +0300
committerunknown <monty@hundin.mysql.fi>2002-10-16 10:32:45 +0300
commitb3e3a09e726501dc1147563725dc80f718467e70 (patch)
treeb2749496347a8bc7352927d95fef69660bb47fe3 /Docs
parentcba8acc1af1e4874fafe0955e57815c0f8c2b5ad (diff)
downloadmariadb-git-b3e3a09e726501dc1147563725dc80f718467e70.tar.gz
Fixed bug in LEFT JOIN ... WHERE not_null_key_column=NULL;
Docs/manual.texi: ChangeLog sql/field.h: New virtual function to set a field to null or signal an error sql/field_conv.cc: New function to set a field to null or signal an error sql/item.cc: When setting a field to null internally (for WHERE testing) don't autoconvert NULL -> now() or last_insert_id() sql/item.h: New virtual function to set a field to null or signal an error
Diffstat (limited to 'Docs')
-rw-r--r--Docs/manual.texi2
1 files changed, 2 insertions, 0 deletions
diff --git a/Docs/manual.texi b/Docs/manual.texi
index 443340a2a4d..158db75a407 100644
--- a/Docs/manual.texi
+++ b/Docs/manual.texi
@@ -46942,6 +46942,8 @@ temporary tables used for some (unlikely) @code{GROUP BY} queries.
Fixed a bug in key optimizing handling where the expression
@code{WHERE column_name = key_column_name} was calculated as true
for @code{NULL} values.
+@item
+Fixed core dump bug when doing @code{LEFT JOIN ... WHERE key_column=NULL}.
@end itemize
@node News-3.23.53, News-3.23.52, News-3.23.54, News-3.23.x