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Added Makefile.am targets for internals.texi.
Cleaned up internals.texi, changed tabs to spaces.
This commit is contained in:
jcole@mugatu.spaceapes.com
parent
acc123282e
commit
4a1bcbe30a
2 changed files with 139 additions and 76 deletions
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@ -184,7 +184,7 @@ Now the code in @file{sql/records.cc} will be used to read through them
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in sorted order by using the row pointers in the result file.
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To optimize this, we read in a big block of row pointers, sort these
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and then we read the rows in the sorted order into a row buffer
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(@code{record_buffer}) .
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(@code{record_buffer}).
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@end itemize
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@ -287,7 +287,7 @@ Put the @samp{@{} after a @code{switch} on the same line, as this gives
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better overall indentation for the switch statement:
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@example
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switch (arg) {
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switch (arg) @{
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@end example
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@item
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@ -489,6 +489,8 @@ Remember to lock databases for optimal caching.
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@item void end_key_cache _A((void));
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End key caching.
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@end table
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@node DBUG, protocol, mysys functions, Top
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@ -548,48 +550,57 @@ Print query.
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@section Raw Packet Without Compression
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@example
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-------------------------------------------------
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| Packet Length | Packet no | Data |
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| 3 Bytes | 1 Byte | n Bytes |
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-------------------------------------------------
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+-----------------------------------------------+
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| Packet Length | Packet no | Data |
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| 3 Bytes | 1 Byte | n Bytes |
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+-----------------------------------------------+
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@end example
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3 Byte packet length
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The length is calculated with int3store
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See include/global.h for details.
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The max packetsize can be 16 MB.
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1 Byte packet no
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@table @asis
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@item 3 Byte packet length
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The length is calculated with int3store
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See include/global.h for details.
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The max packetsize can be 16 MB.
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If no compression is used the first 4 bytes of each paket
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is the header of the paket.
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The packet number is incremented for each sent packet. The first
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packet starts with 0
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@item 1 Byte packet no
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If no compression is used the first 4 bytes of each packet is the header
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of the packet. The packet number is incremented for each sent packet.
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The first packet starts with 0.
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@item n Byte data
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n Byte data
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@end table
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The packet length can be recalculated with:
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@example
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length = byte1 + (256 * byte2) + (256 * 256 * byte3)
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@end example
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@node raw packet with compression, basic packets, raw packet without compression, protocol
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@section Raw Packet With Compression
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@example
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-----------------------------------------------------
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| Packet Length | Packet no | Uncomp. Packet Length |
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| 3 Bytes | 1 Byte | 3 Bytes |
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-----------------------------------------------------
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+---------------------------------------------------+
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| Packet Length | Packet no | Uncomp. Packet Length |
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| 3 Bytes | 1 Byte | 3 Bytes |
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+---------------------------------------------------+
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@end example
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3 Byte packet length
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The length is calculated with int3store
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See include/global.h for details.
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The max packetsize can be 16 MB.
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1 Byte packet no
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3 Byte uncompressed packet length
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@table @asis
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@item 3 Byte packet length
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The length is calculated with int3store
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See include/global.h for details.
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The max packetsize can be 16 MB.
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@item 1 Byte packet no
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@item 3 Byte uncompressed packet length
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@end table
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If compression is used the first 7 bytes of each packet
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is the header of the packet.
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@node basic packets, communication, raw packet with compression, protocol
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@section Basic Packets
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@ -598,52 +609,57 @@ is the header of the packet.
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* error packet::
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@end menu
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@node ok packet, error packet, basic packets, basic packets
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@subsection OK Packet
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For details see sql/net_pkg.cc
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function send_ok
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For details, see @file{sql/net_pkg.cc::send_ok()}.
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@example
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-------------------------------------------------
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| Header | No of Rows | Affected Rows |
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| | 1 Byte | 1-8 Byte |
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-------------------------------------------------
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| ID (last_insert_id) | Status | Length |
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| 1-8 Byte | 2 Byte | 1-8 Byte |
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-------------------------------------------------
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| Messagetext |
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| n Byte |
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-------------------------------------------------
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+-----------------------------------------------+
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| Header | No of Rows | Affected Rows |
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| | 1 Byte | 1-8 Byte |
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|-----------------------------------------------|
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| ID (last_insert_id) | Status | Length |
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| 1-8 Byte | 2 Byte | 1-8 Byte |
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|-----------------------------------------------|
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| Messagetext |
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| n Byte |
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+-----------------------------------------------+
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@end example
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Header
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1 byte number of rows ? (always 0 ?)
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1-8 bytes affected rows
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1-8 byte id (last_insert_id)
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2 byte Status (usually 0)
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If the OK-packege includes a message:
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1-8 bytes length of message
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n bytes messagetext
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@table @asis
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@item Header
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@item 1 byte number of rows ? (always 0 ?)
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@item 1-8 bytes affected rows
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@item 1-8 byte id (last_insert_id)
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@item 2 byte Status (usually 0)
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@item If the OK-packege includes a message:
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@item 1-8 bytes length of message
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@item n bytes messagetext
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@end table
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@node error packet, , ok packet, basic packets
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@subsection Error Packet
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@example
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-------------------------------------------------
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| Header | Statuscode | Error no |
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| | 1 Byte | 2 Byte |
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-------------------------------------------------
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| Messagetext | 0x00 |
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| n Byte | 1 Byte |
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-------------------------------------------------
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+-----------------------------------------------+
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| Header | Status code | Error no |
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| | 1 Byte | 2 Byte |
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|-----------------------------------------------|
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| Messagetext | 0x00 |
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| n Byte | 1 Byte |
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+-----------------------------------------------+
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@end example
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Header
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1 byte status code (0xFF = ERROR)
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2 byte error number (is only sent to new 3.23 clients.
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n byte errortext
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1 byte 0x00
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@table @asis
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@item Header
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@item 1 byte status code (0xFF = ERROR)
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@item 2 byte error number (is only sent to new 3.23 clients.
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@item n byte errortext
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@item 1 byte 0x00
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@end table
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@node communication, fieldtype codes, basic packets, protocol
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@ -742,24 +758,24 @@ is the header of the packet.
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@section Fieldtype Codes
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@example
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display_length |enum_field_type |flags
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----------------------------------------------------
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Blob 03 FF FF 00 |01 FC |03 90 00 00
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Mediumblob 03 FF FF FF |01 FC |03 90 00 00
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Tinyblob 03 FF 00 00 |01 FC |03 90 00 00
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Text 03 FF FF 00 |01 FC |03 10 00 00
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Mediumtext 03 FF FF FF |01 FC |03 10 00 00
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Tinytext 03 FF 00 00 |01 FC |03 10 00 00
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Integer 03 0B 00 00 |01 03 |03 03 42 00
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Mediumint 03 09 00 00 |01 09 |03 00 00 00
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Smallint 03 06 00 00 |01 02 |03 00 00 00
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Tinyint 03 04 00 00 |01 01 |03 00 00 00
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Varchar 03 XX 00 00 |01 FD |03 00 00 00
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Enum 03 05 00 00 |01 FE |03 00 01 00
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Datetime 03 13 00 00 |01 0C |03 00 00 00
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Timestamp 03 0E 00 00 |01 07 |03 61 04 00
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Time 03 08 00 00 |01 0B |03 00 00 00
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Date 03 0A 00 00 |01 0A |03 00 00 00
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display_length |enum_field_type |flags
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----------------------------------------------------
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Blob 03 FF FF 00 |01 FC |03 90 00 00
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Mediumblob 03 FF FF FF |01 FC |03 90 00 00
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Tinyblob 03 FF 00 00 |01 FC |03 90 00 00
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Text 03 FF FF 00 |01 FC |03 10 00 00
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Mediumtext 03 FF FF FF |01 FC |03 10 00 00
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Tinytext 03 FF 00 00 |01 FC |03 10 00 00
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Integer 03 0B 00 00 |01 03 |03 03 42 00
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Mediumint 03 09 00 00 |01 09 |03 00 00 00
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Smallint 03 06 00 00 |01 02 |03 00 00 00
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Tinyint 03 04 00 00 |01 01 |03 00 00 00
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Varchar 03 XX 00 00 |01 FD |03 00 00 00
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Enum 03 05 00 00 |01 FE |03 00 01 00
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Datetime 03 13 00 00 |01 0C |03 00 00 00
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Timestamp 03 0E 00 00 |01 07 |03 61 04 00
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Time 03 08 00 00 |01 0B |03 00 00 00
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Date 03 0A 00 00 |01 0A |03 00 00 00
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@end example
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@c The Index was empty, and ugly, so I removed it. (jcole, Sep 7, 2000)
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