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MDEV-8212 alter table - failing to ADD PRIMARY KEY IF NOT EXISTS when existing index of same as column name.

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The default name for the primary key is rather 'PRIMARY' instead of the indexed column name.
This commit is contained in:
Alexey Botchkov
2015-06-14 18:54:13 +05:00
parent fc31e3114b
commit 196528eb42
3 changed files with 30 additions and 6 deletions
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17
sql/sql_table.cc
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@ -5859,12 +5859,17 @@ drop_create_field:
/* let us check the name of the first key part. */
if ((keyname= key->name.str) == NULL)
{
List_iterator<Key_part_spec> part_it(key->columns);
Key_part_spec *kp;
if ((kp= part_it++))
keyname= kp->field_name.str;
if (keyname == NULL)
continue;
if (key->type == Key::PRIMARY)
keyname= primary_key_name;
else
{
List_iterator<Key_part_spec> part_it(key->columns);
Key_part_spec *kp;
if ((kp= part_it++))
keyname= kp->field_name.str;
if (keyname == NULL)
continue;
}
}
if (key->type != Key::FOREIGN_KEY)
{