diff options
Diffstat (limited to 'sql/sql_table.cc')
| -rw-r--r-- | sql/sql_table.cc | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/sql/sql_table.cc b/sql/sql_table.cc index 59e23f8b972..a1f2be7e11c 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -3867,6 +3867,16 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name, if (create_info->row_type == ROW_TYPE_NOT_USED) create_info->row_type= table->s->row_type; + DBUG_PRINT("info", ("old type: %d new type: %d", old_db_type, new_db_type)); + if (ha_check_storage_engine_flag(old_db_type, HTON_ALTER_NOT_SUPPORTED) + || ha_check_storage_engine_flag(new_db_type, HTON_ALTER_NOT_SUPPORTED)) + { + DBUG_PRINT("info", ("doesn't support alter")); + my_error(ER_ILLEGAL_HA, MYF(0), table_name); + DBUG_RETURN(TRUE); + } + DBUG_PRINT("info", ("supports alter")); + thd->proc_info="setup"; if (!(alter_info->flags & ~(ALTER_RENAME | ALTER_KEYS_ONOFF)) && !table->s->tmp_table) // no need to touch frm @@ -4880,7 +4890,7 @@ bool mysql_checksum_table(THD *thd, TABLE_LIST *tables, HA_CHECK_OPT *check_opt) strxmov(table_name, table->db ,".", table->table_name, NullS); - t= table->table= open_ltable(thd, table, TL_READ_NO_INSERT); + t= table->table= open_ltable(thd, table, TL_READ); thd->clear_error(); // these errors shouldn't get client protocol->prepare_for_resend(); @@ -4906,6 +4916,7 @@ bool mysql_checksum_table(THD *thd, TABLE_LIST *tables, HA_CHECK_OPT *check_opt) { /* calculating table's checksum */ ha_checksum crc= 0; + uchar null_mask=256 - (1 << t->s->last_null_bit_pos); /* Set all bits in read set and inform InnoDB that we are reading all @@ -4927,9 +4938,15 @@ bool mysql_checksum_table(THD *thd, TABLE_LIST *tables, HA_CHECK_OPT *check_opt) continue; break; } - if (t->record[0] != (byte*) t->field[0]->ptr) - row_crc= my_checksum(row_crc, t->record[0], - ((byte*) t->field[0]->ptr) - t->record[0]); + if (t->s->null_bytes) + { + /* fix undefined null bits */ + t->record[0][t->s->null_bytes-1] |= null_mask; + if (!(t->s->db_create_options & HA_OPTION_PACK_RECORD)) + t->record[0][0] |= 1; + + row_crc= my_checksum(row_crc, t->record[0], t->s->null_bytes); + } for (uint i= 0; i < t->s->fields; i++ ) { @@ -4973,9 +4990,9 @@ static bool check_engine(THD *thd, const char *table_name, enum db_type *new_engine) { enum db_type req_engine= *new_engine; - bool no_substitution= + bool no_substitution= test(thd->variables.sql_mode & MODE_NO_ENGINE_SUBSTITUTION); - if ((*new_engine= + if ((*new_engine= ha_checktype(thd, req_engine, no_substitution, 1)) == DB_TYPE_UNKNOWN) return TRUE; |