summaryrefslogtreecommitdiff
path: root/sql/sql_partition.h
Commit message (Collapse)AuthorAgeFilesLines
* MDEV-22165 CONVERT TABLE: move in partition from existing tableAleksey Midenkov2021-10-261-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | Syntax for CONVERT TABLE ALTER TABLE tbl_name CONVERT TABLE tbl_name TO PARTITION partition_name partition_spec Examples: ALTER TABLE t1 CONVERT TABLE tp2 TO PARTITION p2 VALUES LESS THAN MAX_VALUE(); New ALTER_PARTITION_CONVERT_IN command for fast_alter_partition_table() is done in alter_partition_convert_in() function which basically does ha_rename_table(). Table structure and data check is basically the same as in EXCHANGE PARTITION command. And these are done by compare_table_with_partition() and check_table_data(). Atomic DDL is done by the scheme from MDEV-22166 (see the corresponding commit message). The only differnce is that it also has to drop source table frm and that is done by WFRM_DROP_CONVERTED_FROM. Initial patch was done by Dmitry Shulga <dmitry.shulga@mariadb.com>
* MDEV-22166 CONVERT PARTITION: move out partition into a tableAleksey Midenkov2021-10-261-3/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Syntax for CONVERT keyword ALTER TABLE tbl_name [alter_option [, alter_option] ...] | [partition_options] partition_option: { ... | CONVERT PARTITION partition_name TO TABLE tbl_name } Examples: ALTER TABLE t1 CONVERT PARTITION p2 TO TABLE tp2; New ALTER_PARTITION_CONVERT_OUT command for fast_alter_partition_table() is done in alter_partition_convert_out() function which basically does ha_rename_table(). Partition to extract is marked with the same flag as dropped partition: PART_TO_BE_DROPPED. Note that we cannot have multiple partitioning commands in one ALTER. For DDL logging basically the principle is the same as for other fast_alter_partition_table() commands. The only difference is that it integrates late Atomic DDL functions and introduces additional phase of WFRM_BACKUP_ORIGINAL. That is required for binlog consistency because otherwise we could not revert back after WFRM_INSTALL_SHADOW is done. And before DDL log is complete if we crash or fail the altered table will be already new but binlog will miss that ALTER command. Note that this is different from all other atomic DDL in that it rolls back until the ddl_log_complete() is done even if everything was done fully before the crash. Test cases added to: parts.alter_table \ parts.partition_debug \ versioning.partition \ atomic.alter_partition
* MDEV-18465 Logging of DDL statements during backupMonty2021-05-191-0/+1
| | | | | Many of the changes was needed to be able to collect and print engine name and table version id's in the ddl log.
* MDEV-21747 needless alter_ctx arg in prep_alter_part_table()Aleksey Midenkov2020-03-031-1/+0
|
* MDEV-20856 Bad values in metadata views for partitions on VARBINARYAlexander Barkov2019-10-181-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The old code to print partition values was too complicated: - it created new Items for character set conversion purposes. - it mixed string conversion and partition error reporting in the same code blocks. Simplifying the code as follows: - Adding helper methods String::can_be_safely_convert_to() and String::append_introducer_and_hex(). - Adding DBUG_EXECUTE_IF("generate_partition_syntax_for_frm", push_warning...) into generate_partition_syntax_for_frm(), to test the PARTITON clause written to FRM. Adding test partition_utf8-debug.test for this. - Removing functions get_cs_converted_part_value_from_string() and get_cs_converted_string_value. Changing get_partition_column_description() to use Type_handler::partition_field_append_value() instead. This makes SHOW CREATE TABLE and SELECT FROM I_S.PARTITIONS use the same code path. - Changing Type_handler::partition_field_append_value() not to call convert_charset_partition_constant(), to avoid creating a new Item for string conversion pursposes. Rewritting the code to use only String methods. - Removing error reporting code (ER_PARTITION_FUNCTION_IS_NOT_ALLOWED) from Type_handler::partition_field_append_value(). The error is correctly detected and reported on the caller level. So error reporting was redundant here. Also: - Moving methods Type_handler::partition_field_*() from sql_partition.cc to sql_type.cc. This fixes compilation problem with -DPLUGIN_PARTITION=NO, earlier introduced by the patch for MDEV-20831.
* Merge 10.2 into 10.3Marko Mäkelä2019-05-141-1/+1
|\
| * Merge 10.1 into 10.2Marko Mäkelä2019-05-131-1/+1
| |\
| | * Merge branch '5.5' into 10.1Vicențiu Ciorbaru2019-05-111-1/+1
| | |\
| | | * Update FSF AddressVicențiu Ciorbaru2019-05-111-1/+1
| | | | | | | | | | | | | | | | * Update wrong zip-code
* | | | Merge branch '10.2' into 10.3Sergei Golubchik2018-09-281-0/+4
|\ \ \ \ | |/ / /
| * | | MDEV-13089 identifier quoting in partitioningSergei Golubchik2018-09-211-0/+4
| | | | | | | | | | | | | | | | cover ALTER TABLE
* | | | Remove mem_alloc_error()Michael Widenius2018-05-071-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As thd->alloc() and new automatically calls my_error(ER_OUTOFMEORY) there is no reason to call mem_alloc_error() Other things: - Fixed bug in mysql_unpack_partition() where lex.part_info was changed even if it would be a null pointer
* | | | cleanup: ha_partition::update_row/delete_rowSergei Golubchik2018-02-231-6/+2
| | | | | | | | | | | | | | | | implement log-term TODO item, convert redundant if()-s into asserts.
* | | | Changed database, tablename and alias to be LEX_CSTRINGMonty2018-01-301-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was done in, among other things: - thd->db and thd->db_length - TABLE_LIST tablename, db, alias and schema_name - Audit plugin database name - lex->db - All db and table names in Alter_table_ctx - st_select_lex db Other things: - Changed a lot of functions to take const LEX_CSTRING* as argument for db, table_name and alias. See init_one_table() as an example. - Changed some function arguments from LEX_CSTRING to const LEX_CSTRING - Changed some lists from LEX_STRING to LEX_CSTRING - threads_mysql.result changed because process list_db wasn't always correctly updated - New append_identifier() function that takes LEX_CSTRING* as arguments - Added new element tmp_buff to Alter_table_ctx to separate temp name handling from temporary space - Ensure we store the length after my_casedn_str() of table/db names - Removed not used version of rename_table_in_stat_tables() - Changed Natural_join_column::table_name and db_name() to never return NULL (used for print) - thd->get_db() now returns db as a printable string (thd->db.str or "")
* | | | System Versioning pre0.12Aleksey Midenkov2017-11-071-0/+35
|\ \ \ \ | | | | | | | | | | | | | | | Merge remote-tracking branch 'origin/archive/2017-10-17' into 10.3
| * | | | IB, SQL: InnoDB partitioning [closes #118]Aleksey Midenkov2017-05-051-0/+34
| | | | | | | | | | | | | | | | | | | | * native InnoDB partitioning for BY SYSTEM_TIME partitions.
* | | | | Merge remote-tracking branch 'origin/10.2' into bb-10.2-extAlexander Barkov2017-10-301-1/+2
|\ \ \ \ \ | | |/ / / | |/| | |
| * | | | Merge branch '10.1' into 10.2Sergei Golubchik2017-10-241-1/+2
| |\ \ \ \ | | | |/ / | | |/| |
| | * | | Merge branch '10.0' into 10.1Sergei Golubchik2017-10-221-1/+2
| | |\ \ \
| | | * \ \ Merge branch '5.5' into 10.0Sergei Golubchik2017-10-181-1/+2
| | | |\ \ \ | | | | | |/ | | | | |/|
| | | | * | Merge branch 'mysql/5.5' into 5.5Sergei Golubchik2017-10-171-1/+2
| | | | |\ \
| | | | | * | Bug#26390632: CREATE TABLE CAN CAUSE MYSQL TO EXIT.Nisha Gopalakrishnan2017-08-231-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Analysis ======== CREATE TABLE of InnoDB table with a partition name which exceeds the path limit can cause the server to exit. During the preparation of the partition name, there was no check to identify whether the complete path name for partition exceeds the max supported path length, causing the server to exit during subsequent processing. Fix === During the preparation of partition name, check and report an error if the partition path name exceeds the maximum path name limit. This is a 5.5 patch.
| | | | | * | Bug#16274455: CAN NOT ACESS PARTITIONED TABLES WHENMattias Jonsson2013-02-141-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | DOWNGRADED FROM 5.6.11 TO 5.6.10 Problem was new syntax not accepted by previous version. Fixed by adding version comment of /*!50531 around the new syntax. Like this in the .frm file: 'PARTITION BY KEY /*!50611 ALGORITHM = 2 */ () PARTITIONS 3' and also changing the output from SHOW CREATE TABLE to: CREATE TABLE t1 (a INT) /*!50100 PARTITION BY KEY */ /*!50611 ALGORITHM = 1 */ /*!50100 () PARTITIONS 3 */ It will always add the ALGORITHM into the .frm for KEY [sub]partitioned tables, but for SHOW CREATE TABLE it will only add it in case it is the non default ALGORITHM = 1. Also notice that for 5.5, it will say /*!50531 instead of /*!50611, which will make upgrade from 5.5 > 5.5.31 to 5.6 < 5.6.11 fail! If one downgrades an fixed version to the same major version (5.5 or 5.6) the bug 14521864 will be visible again, but unless the .frm is updated, it will work again when upgrading again. Also fixed so that the .frm does not get updated version if a single partition check passes.
| | | | | * | Bug#13593865 - 64037: CRASH IN HA_PARTITION::CREATE_HANDLERS ONMattias Jonsson2012-02-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ALTER TABLE AFTER DROP PARTITION Bug#13608188 - 64038: CRASH IN HANDLER::HA_THD ON ALTER TABLE AFTER REPAIR NON-EXISTING PARTITION Backport of bug#13357766 from -trunk to -5.5. The state of some partitions was not reset on failure, leading to invalid states of partitions in consequent statements. Fixed by reverting back to original state for all partitions if not all partition names was resolved. Also adding extra security by forcing tables to be reopened in case of error in mysql_alter_table. (There is also removal of \r at the end of some lines.)
| | | | | * | Updated/added copyright headersKent Boortz2011-06-301-2/+2
| | | | | |\ \
| | | | | | * | Updated/added copyright headersKent Boortz2011-06-301-2/+4
| | | | | | | |
| | | | | * | | Bug#56172: Server crashes in ha_partition::reset onMattias Jonsson2010-10-011-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | REBUILD PARTITION under LOCK TABLE Collapsed patch including updates from the reviews. In case of failure in ALTER ... PARTITION under LOCK TABLE the server could crash, due to it had modified the locked table object, which was not reverted in case of failure, resulting in a bad table definition used after the failed command. Solved by instead of altering the locked table object and its partition_info struct, creating an internal temporary intermediate table object used for altering, just like the non partitioned mysql_alter_table. So if an error occur before the alter operation is complete, the original table is not modified at all. But if the alter operation have succeeded so far that it must be completed as whole, the table is properly closed and reopened. (The completion on failure is done by the ddl_log.)
| | | | | * | | Manual merge2010-07-291-1/+1
| | | | | |\ \ \ | | | | | | |/ /
| | | | | | * | BUG#49124 Security issue with /*!-versioned */ SQL statements on Slave2010-07-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | /*![:version:] Query Code */, where [:version:] is a sequence of 5 digits representing the mysql server version(e.g /*!50200 ... */), is a special comment that the query in it can be executed on those servers whose versions are larger than the version appearing in the comment. It leads to a security issue when slave's version is larger than master's. A malicious user can improve his privileges on slaves. Because slave SQL thread is running with SUPER privileges, so it can execute queries that he/she does not have privileges on master. This bug is fixed with the logic below: - To replace '!' with ' ' in the magic comments which are not applied on master. So they become common comments and will not be applied on slave. - Example: 'INSERT INTO t1 VALUES (1) /*!10000, (2)*/ /*!99999 ,(3)*/ will be binlogged as 'INSERT INTO t1 VALUES (1) /*!10000, (2)*/ /* 99999 ,(3)*/
| | | | | * | | Merge of bug#51851.Mattias Jonsson2010-05-241-15/+0
| | | | | |\ \ \ | | | | | | | | | | | | | | | | | | Also moved HA_DATA_PARTITION from ha_partition.cc to table.h.
| | | | | | * | | Bug#51851: Server with SBR locks mutex twice on LOAD DATAMattias Jonsson2010-03-301-14/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | into partitioned MyISAM table Problem was that the ha_data structure was introduced in 5.1 and only used for partitioning first, but with the intention of be of use for others engines as well, and when used by other engines it would clash if it also was partitioned. Solution is to move the partitioning specific data to a separate structure, with its own mutex (which is used for auto_increment). Also did rename PARTITION_INFO to PARTITION_STATS since there already exist a class named partition_info, also cleaned up some related variables.
| | | | | * | | | WL#5030: Split and remove mysql_priv.hMats Kindahl2010-03-311-0/+75
| | | | | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch: - Moves all definitions from the mysql_priv.h file into header files for the component where the variable is defined - Creates header files if the component lacks one - Eliminates all include directives from mysql_priv.h - Eliminates all circular include cycles - Rename time.cc to sql_time.cc - Rename mysql_priv.h to sql_priv.h
| | | | | * | | Manual merge of mysql-5.1-bugteam into mysql-trunk-merge.Alexey Kopytov2009-12-161-3/+0
| | | | | |\ \ \ | | | | | | |/ /
| | | | | | * | Bug #42849: innodb crash with varying time_zone on partitioned Alexey Kopytov2009-12-131-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | timestamp primary key Since TIMESTAMP values are adjusted by the current time zone settings in both numeric and string contexts, using any expressions involving TIMESTAMP values as a (sub)partitioning function leads to undeterministic behavior of partitioned tables. The effect may vary depending on a storage engine, it can be either incorrect data being retrieved or stored, or an assertion failure. The root cause of this is the fact that the calculated partition ID may differ from a previously calculated ID for the same data due to timezone adjustments of the partitioning expression value. Fixed by disabling any expressions involving TIMESTAMP values to be used in partitioning functions with the follwing two exceptions: 1. Creating or altering into a partitioned table that violates the above rule is not allowed, but opening existing such tables results in a warning rather than an error so that such tables could be fixed. 2. UNIX_TIMESTAMP() is the only way to get a timezone-independent value from a TIMESTAMP column, because it returns the internal representation (a time_t value) of a TIMESTAMP argument verbatim. So UNIX_TIMESTAMP(timestamp_column) is allowed and should be used to fix existing tables if one wants to use TIMESTAMP columns with partitioning.
| | | | | * | | Fixed a few bugs in hex string generation, in call to val_str for partition ↵Mikael Ronstrom2009-11-021-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | expressions, also made code reusable for DEFAULT handling to fix BUG#48464 by introducing function get_cs_converted_string_value, added partition_utf8 test case for UTF8 outputs
| | | | | * | | Fixed so that character set constants are encoded as hex strings in frm ↵Mikael Ronstrom2009-10-301-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | file, but as utf8 strings in the same manner as default values in show create table and information schema tables
| | | | | * | | MergeMikael Ronstrom2009-10-281-10/+10
| | | | | |\ \ \
| | | | | | * \ \ mergeMattias Jonsson2009-10-281-10/+10
| | | | | | |\ \ \
| | | | | | | * | | WL#3352, minor code formatting fixes after code reviewMattias Jonsson2009-10-211-10/+10
| | | | | | | | | |
| | | | | * | | | | Merged WL#3352 into mysql-next-mrMikael Ronstrom2009-10-281-10/+15
| | | | | |\ \ \ \ \ | | | | | | |/ / / /
| | | | | | * | | | BUG#48165, needed to introduce length restrictions on partitioning fields to ↵Mikael Ronstrom2009-10-281-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ensure that no stack overruns occur
| | | | | | * | | | A lot of fixes to make character set work ok, first step to fixing BUG#48163Mikael Ronstrom2009-10-221-3/+1
| | | | | | |/ / /
| | | | | | * | | Fixed review commentsMikael Ronstrom2009-10-161-4/+4
| | | | | | | | |
| | | | | | * | | Changed all no_ to num_ to avoid strange names like no_list_values which is ↵Mikael Ronstrom2009-10-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | not expected to be number of list values, rather a boolea indicating no list values
| | | | | | * | | WL#3352, Introducing Column list partitioning, makes it possible to ↵Mikael Ronstrom2009-09-151-3/+9
| | | | | | |/ / | | | | | | | | | | | | | | | | | | | | | | | | partition on most data types, makes it possible to prune on multi-field partitioning
| | | | | * | | WL#5016: Fix header file include guardsMats Kindahl2009-09-231-0/+4
| | | | | |/ / | | | | | | | | | | | | | | | | | | | | | Adding header include file guards to files that are missing such.
| | | | | * | Bug#30822: ALTER TABLE COALESCE PARTITION causes segmentation faultmattiasj@mattias-jonssons-macbook.local2007-11-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem was for LINEAR HASH/KEY. Crashes because of wrong partition id returned when creating the new altered partitions. (because of wrong linear hash mask) Solution: Update the linear hash mask before using it for the new altered table.
| | | | | * | Merge bk@192.168.21.1:mysql-5.1-optholyfoot/hf@hfmain.(none)2007-06-251-1/+2
| | | | | |\ \ | | | | | | | | | | | | | | | | | | | | | | | | into mysql.com:/home/hf/work/27084/my51-27084
| | | | | | * | Bug #27084 partitioning by list seems failing when using caseholyfoot/hf@mysql.com/hfmain.(none)2007-03-271-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | creation of the partitioned table could fail as we created Item-s for it's list function in thd->mem_root, and then do Item->fix_fields in the context of other table->mem_root (so that memory alloced there was alloced in this table->mem_root). As we freed the table->mem_root before we do thd->free_items, our Item-s had pointers to the freed memory, that caused the crash
| | | | | * | | WL#3817: Simplify string / memory area types and make things more consistent ↵monty@mysql.com/narttu.mysql.fi2007-05-101-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (first part) The following type conversions was done: - Changed byte to uchar - Changed gptr to uchar* - Change my_string to char * - Change my_size_t to size_t - Change size_s to size_t Removed declaration of byte, gptr, my_string, my_size_t and size_s. Following function parameter changes was done: - All string functions in mysys/strings was changed to use size_t instead of uint for string lengths. - All read()/write() functions changed to use size_t (including vio). - All protocoll functions changed to use size_t instead of uint - Functions that used a pointer to a string length was changed to use size_t* - Changed malloc(), free() and related functions from using gptr to use void * as this requires fewer casts in the code and is more in line with how the standard functions work. - Added extra length argument to dirname_part() to return the length of the created string. - Changed (at least) following functions to take uchar* as argument: - db_dump() - my_net_write() - net_write_command() - net_store_data() - DBUG_DUMP() - decimal2bin() & bin2decimal() - Changed my_compress() and my_uncompress() to use size_t. Changed one argument to my_uncompress() from a pointer to a value as we only return one value (makes function easier to use). - Changed type of 'pack_data' argument to packfrm() to avoid casts. - Changed in readfrm() and writefrom(), ha_discover and handler::discover() the type for argument 'frmdata' to uchar** to avoid casts. - Changed most Field functions to use uchar* instead of char* (reduced a lot of casts). - Changed field->val_xxx(xxx, new_ptr) to take const pointers. Other changes: - Removed a lot of not needed casts - Added a few new cast required by other changes - Added some cast to my_multi_malloc() arguments for safety (as string lengths needs to be uint, not size_t). - Fixed all calls to hash-get-key functions to use size_t*. (Needed to be done explicitely as this conflict was often hided by casting the function to hash_get_key). - Changed some buffers to memory regions to uchar* to avoid casts. - Changed some string lengths from uint to size_t. - Changed field->ptr to be uchar* instead of char*. This allowed us to get rid of a lot of casts. - Some changes from true -> TRUE, false -> FALSE, unsigned char -> uchar - Include zlib.h in some files as we needed declaration of crc32() - Changed MY_FILE_ERROR to be (size_t) -1. - Changed many variables to hold the result of my_read() / my_write() to be size_t. This was needed to properly detect errors (which are returned as (size_t) -1). - Removed some very old VMS code - Changed packfrm()/unpackfrm() to not be depending on uint size (portability fix) - Removed windows specific code to restore cursor position as this causes slowdown on windows and we should not mix read() and pread() calls anyway as this is not thread safe. Updated function comment to reflect this. Changed function that depended on original behavior of my_pwrite() to itself restore the cursor position (one such case). - Added some missing checking of return value of malloc(). - Changed definition of MOD_PAD_CHAR_TO_FULL_LENGTH to avoid 'long' overflow. - Changed type of table_def::m_size from my_size_t to ulong to reflect that m_size is the number of elements in the array, not a string/memory length. - Moved THD::max_row_length() to table.cc (as it's not depending on THD). Inlined max_row_length_blob() into this function. - More function comments - Fixed some compiler warnings when compiled without partitions. - Removed setting of LEX_STRING() arguments in declaration (portability fix). - Some trivial indentation/variable name changes. - Some trivial code simplifications: - Replaced some calls to alloc_root + memcpy to use strmake_root()/strdup_root(). - Changed some calls from memdup() to strmake() (Safety fix) - Simpler loops in client-simple.c