diff options
Diffstat (limited to 'sql/handler.h')
| -rw-r--r-- | sql/handler.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sql/handler.h b/sql/handler.h index 11d0f71fc72..5d27d3eff6d 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -280,7 +280,9 @@ enum legacy_db_type enum row_type { ROW_TYPE_NOT_USED=-1, ROW_TYPE_DEFAULT, ROW_TYPE_FIXED, ROW_TYPE_DYNAMIC, ROW_TYPE_COMPRESSED, - ROW_TYPE_REDUNDANT, ROW_TYPE_COMPACT, ROW_TYPE_PAGE }; + ROW_TYPE_REDUNDANT, ROW_TYPE_COMPACT, + /** Unused. Reserved for future versions. */ + ROW_TYPE_PAGE }; enum enum_binlog_func { BFN_RESET_LOGS= 1, @@ -323,7 +325,9 @@ enum enum_binlog_command { #define HA_CREATE_USED_PASSWORD (1L << 17) #define HA_CREATE_USED_CONNECTION (1L << 18) #define HA_CREATE_USED_KEY_BLOCK_SIZE (1L << 19) +/** Unused. Reserved for future versions. */ #define HA_CREATE_USED_TRANSACTIONAL (1L << 20) +/** Unused. Reserved for future versions. */ #define HA_CREATE_USED_PAGE_CHECKSUM (1L << 21) typedef ulonglong my_xid; // this line is the same as in log_event.h @@ -914,13 +918,14 @@ typedef struct st_ha_create_information uint options; /* OR of HA_CREATE_ options */ uint merge_insert_method; uint extra_size; /* length of extra data segment */ - /* 0 not used, 1 if not transactional, 2 if transactional */ + /** Transactional or not. Unused; reserved for future versions. */ enum ha_choice transactional; bool table_existed; /* 1 in create if table existed */ bool frm_only; /* 1 if no ha_create_table() */ bool varchar; /* 1 if table has a VARCHAR */ enum ha_storage_media storage_media; /* DEFAULT, DISK or MEMORY */ - enum ha_choice page_checksum; /* If we have page_checksums */ + /** Per-page checksums or not. Unused; reserved for future versions. */ + enum ha_choice page_checksum; } HA_CREATE_INFO; |