diff options
| author | unknown <monty@hundin.mysql.fi> | 2002-10-16 10:32:45 +0300 |
|---|---|---|
| committer | unknown <monty@hundin.mysql.fi> | 2002-10-16 10:32:45 +0300 |
| commit | b3e3a09e726501dc1147563725dc80f718467e70 (patch) | |
| tree | b2749496347a8bc7352927d95fef69660bb47fe3 /sql/item.h | |
| parent | cba8acc1af1e4874fafe0955e57815c0f8c2b5ad (diff) | |
| download | mariadb-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 'sql/item.h')
| -rw-r--r-- | sql/item.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sql/item.h b/sql/item.h index b8903756027..408010d211a 100644 --- a/sql/item.h +++ b/sql/item.h @@ -55,6 +55,8 @@ public: virtual bool save_in_field(Field *field); virtual void save_org_in_field(Field *field) { (void) save_in_field(field); } + virtual bool save_safe_in_field(Field *field) + { return save_in_field(field); } virtual bool send(String *str); virtual bool eq(const Item *, bool binary_cmp) const; virtual Item_result result_type () const { return REAL_RESULT; } @@ -144,6 +146,7 @@ public: String *val_str(String *str); void make_field(Send_field *field); bool save_in_field(Field *field); + bool save_safe_in_field(Field *field); enum Item_result result_type () const { return STRING_RESULT; } bool send(String *str); |