diff options
Diffstat (limited to 'storage/innobase/handler/ha_innodb.cc')
| -rw-r--r-- | storage/innobase/handler/ha_innodb.cc | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc index 450e89ebb87..d58eb0689a2 100644 --- a/storage/innobase/handler/ha_innodb.cc +++ b/storage/innobase/handler/ha_innodb.cc @@ -2261,7 +2261,7 @@ innobase_init( innobase_hton->start_consistent_snapshot=innobase_start_trx_and_assign_read_view; innobase_hton->flush_logs=innobase_flush_logs; innobase_hton->show_status=innobase_show_status; - innobase_hton->flags=HTON_EXTENDED_KEYS; + innobase_hton->flags=HTON_EXTENDED_KEYS | HTON_SUPPORTS_FOREIGN_KEYS; innobase_hton->release_temporary_latches=innobase_release_temporary_latches; innobase_hton->alter_table_flags = innobase_alter_table_flags; innobase_hton->kill_query = innobase_kill_query; @@ -9331,6 +9331,7 @@ ha_innobase::start_stmt( thr_lock_type lock_type) { trx_t* trx; + DBUG_ENTER("ha_innobase::start_stmt"); update_thd(thd); @@ -9353,6 +9354,28 @@ ha_innobase::start_stmt( prebuilt->hint_need_to_fetch_extra_cols = 0; reset_template(prebuilt); + if (dict_table_is_temporary(prebuilt->table) + && prebuilt->mysql_has_locked + && prebuilt->select_lock_type == LOCK_NONE) { + ulint error; + + switch (thd_sql_command(thd)) { + case SQLCOM_INSERT: + case SQLCOM_UPDATE: + case SQLCOM_DELETE: + init_table_handle_for_HANDLER(); + prebuilt->select_lock_type = LOCK_X; + error = row_lock_table_for_mysql(prebuilt, NULL, 1); + + if (error != DB_SUCCESS) { + error = convert_error_code_to_mysql( + (int) error, 0, thd); + DBUG_RETURN((int) error); + } + break; + } + } + if (!prebuilt->mysql_has_locked) { /* This handle is for a temporary table created inside this same LOCK TABLES; since MySQL does NOT call external_lock @@ -9385,7 +9408,7 @@ ha_innobase::start_stmt( innobase_register_trx(ht, thd, trx); - return(0); + DBUG_RETURN(0); } /******************************************************************//** @@ -12232,3 +12255,30 @@ innobase_convert_to_filename_charset( return(strconvert(cs_from, from, cs_to, to, len, &errors)); } + + +/********************************************************************** +Issue a warning that the row is too big. */ +extern "C" +void +ib_warn_row_too_big(const dict_table_t* table) +{ + /* If prefix is true then a 768-byte prefix is stored + locally for BLOB fields. Refer to dict_table_get_format() */ + const bool prefix = ((table->flags & DICT_TF_FORMAT_MASK) + >> DICT_TF_FORMAT_SHIFT) < UNIV_FORMAT_B; + + const ulint free_space = page_get_free_space_of_empty( + table->flags & DICT_TF_COMPACT) / 2; + + THD* thd = current_thd; + + push_warning_printf( + thd, MYSQL_ERROR::WARN_LEVEL_WARN, HA_ERR_TO_BIG_ROW, + "Row size too large (> %lu). Changing some columns to TEXT" + " or BLOB %smay help. In current row format, BLOB prefix of" + " %d bytes is stored inline.", free_space + , prefix ? "or using ROW_FORMAT=DYNAMIC or" + " ROW_FORMAT=COMPRESSED ": "" + , prefix ? DICT_MAX_FIXED_COL_LEN : 0); +} |