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Bug#33699: The UPDATE statement allows NULL as new value on a NOT NULL

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columns (default datatype value is assigned).

The mysql_update function has been modified to generate
an error when trying to set a NOT NULL field to NULL rather than a warning
in the set_field_to_null_with_conversions function.
This commit is contained in:
gshchepa/uchum@host.loc
2008-01-11 05:06:08 +04:00
parent 5b9e61b282
commit 32d13ab23d
18 changed files with 40 additions and 53 deletions
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4
sql/sql_update.cc
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@@ -526,7 +526,9 @@ int mysql_update(THD *thd,
init_read_record(&info,thd,table,select,0,1);
updated= found= 0;
thd->count_cuted_fields= CHECK_FIELD_WARN; /* calc cuted fields */
/* Generate an error when trying to set a NOT NULL field to NULL. */
thd->count_cuted_fields= ignore ? CHECK_FIELD_WARN
: CHECK_FIELD_ERROR_FOR_NULL;
thd->cuted_fields=0L;
thd->proc_info="Updating";