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When a table has no PRIMARY KEY, but there is a UNIQUE INDEX defined on NOT NULL columns that are not column prefixes, that unique index must be treated as the primary key. This property was being violated by InnoDB when a column was changed to NOT NULL, such that a UNIQUE INDEX on that column became eligible to being treated as a primary key. innobase_create_key_defs(): Instead of checking each ADD [UNIQUE] INDEX request, check if a GEN_CLUST_INDEX can be replaced with any unique index in the altered_table definition. So, we can have new_primary even if n_add==0. prepare_inplace_alter_table_dict(): When the table is not being rebuilt, assert that TABLE_SHARE::primary_key is not changing. RB: 13595 Reviewed-by: Kevin Lewis <kevin.lewis@oracle.com> |
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| archive | ||
| blackhole | ||
| cassandra | ||
| connect | ||
| csv | ||
| example | ||
| federated | ||
| federatedx | ||
| heap | ||
| innobase | ||
| maria | ||
| mroonga | ||
| myisam | ||
| myisammrg | ||
| oqgraph | ||
| perfschema | ||
| rocksdb | ||
| sequence | ||
| sphinx | ||
| spider | ||
| test_sql_discovery | ||
| tokudb | ||
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