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  1. 19 Jun, 2006 1 commit
    • unknown's avatar
      bug #20318 (ctype_ucs2_def test fails with embedded) · 8b6c2d31
      unknown authored
      there was two problems about charsets in embedded server
      1. mysys/charset.c - defined there default_charset_info variable is
      modified by both server and client code (particularly when
      --default-charset option is handled)
      In embedded server we get two codelines modifying one variable.
      I created separate default_client_charset_info for client code
      
      2. mysql->charset and mysql->options.charset initialization isn't
      properly done for embedded server - necessary calls added
      
      
      include/sql_common.h:
        client charset info default declared
      libmysqld/lib_sql.cc:
        thd_init_client_charset calls added
      libmysqld/libmysqld.c:
        check_embedded_connection moved to client.c to avoid code duplication
      sql-common/client.c:
        charset initialization moved to mysql_init_character_set to
        be used in embedded server
      sql/sql_parse.cc:
        thread client charset initialization moved to thd_init_client_charset
        to avoid code duplication
      8b6c2d31
  2. 15 Oct, 2004 1 commit
  3. 22 Jul, 2004 1 commit
    • unknown's avatar
      Fixes for bugs in embedded library: · 2cd7e4cd
      unknown authored
      #4700 (Unsigned value returned as signed)
          just no appropriate checking
      #4701 (Errors returned earlier than expected)
          all errors returned from send_command()
      #4702 (Result isn't freed properly if there's no retrieval)
          flush_use_result has only 'client' version and should
          be made 'virtual'
      
      
      include/mysql.h:
        flush_use_result 'virtual' method added to MYSQL (#4701)
      include/sql_common.h:
        no flush_use_result() now (#4702)
      libmysql/libmysql.c:
        call of the flush_use_result changed (#4702)
      libmysqld/lib_sql.cc:
        now errors returned from emb_advanced_command() or from emb_read_rows()
        depending on if number of returned fields is not 0 (#4701)
        emb_flush_use_result() implementation (#4702)
      sql-common/client.c:
        cli_flush_use_result() implementation (#4702)
      sql/sql_prepare.cc:
        unsigned flag now checked (#4700)
      2cd7e4cd
  4. 15 Mar, 2004 1 commit
    • unknown's avatar
      Intermediate commit of client library (cleanups + fixes of 3 items from · 321422c8
      unknown authored
      flaws list)
      TODO: 
       * verify that no sequence of API calls produces SIGSEGV.
       That is, verify that mysql_stmt_init  -> mysql_stmt_fetch is OK,
       or mysql_stmt_prepare -> mysql_stmt_fetch_column is OK and sets
       meaningful error.
       * remove alloc_stmt_fields call
       * revise stmt->state codes and statement states.
       * there are other items in prepared statements 'to fix' document.
      
      Done:
       - cleanups and comments
       - revision of prepared statement error codes.
       - mysql_stmt_prepare is now can always be called (that is, you can reprepare
         a statement)
       - new implementation of mysql_stmt_close and fetch cancellation
      
      
      include/errmsg.h:
        - CR_NOT_ALL_PARAMS_BOUND - this error code wasn't used until now. 
          Apparently it was added in advance, but then interface of
          mysql_stmt_bind_param changed. Now it's not possible to bind only some
          parameters - either all or none of parameters are bound.
          This error code  is renamed to CR_PARAMS_NOT_BOUND
        - CR_FETCH_CANCELLED - error code set on server side when fetch from 
          MYSQL_RES or MYSQL_STMT (in blocking mode) was cancelled because of
          intercepting call to mysql_stmt_close
        - CR_NO_DATA - this is proposed error code to return from 
          mysql_stmt_fetch_column if no row was fetched (by any type of fetch).
          We always can fall back to CR_COMMANDS_OUT_OF_SYNC though.
          Need reviewer's opinion on this one.
      include/mysql.h:
        - added unbuffered_fetch_owner member to MYSQL to point to MYSQL_RES 
          or MYSQL_STMT which is used to fetch result at the moment.
          This is to be able to set CR_FETCH_CANCELLED error without fantoms.
        - added unbuffered_fetch_cancelled boolean variable to MYSQL_STMT and 
          MYSQL_RES structures
        - rename PREP_STMT_STATE -> enum enum_mysql_stmt_state
        - members of MYSQL_STMT ordered by size.
        - removed members of MYSQL_STMT: current_row, result_buffered,
          last_fetched_column, last_fetched_buffer, query
        - renamed members of MYSQL_STMT: param_buffers -> bind_param_done, 
          res_buffers -> bind_result_done
        - now mysql_stmt_fetch calls stmt->read_row_func to read row either from 
          buffer or from network.
      include/sql_common.h:
        declaration for flush_use_result
      libmysql/client_settings.h:
        stmt_close declaration removed
      libmysql/errmsg.c:
        Error messages for changed and added error codes.
      libmysql/libmysql.c:
        Many changes:
        - some unused variables removed
        - cleanups
        - better error reporting
        - some function calls commented
        - alloc_stmt_fields is now called right after execute, to not read
          mysql->fields of some other statement
        - new implementation of mysql_stmt_fetch - this is also with cursor
          fetch in mind (to implement cursor fetch I'll just need to write
          special read_row function for it, so this change will be local)
        - implementation of fetch cancellation, including complete rewrite of
          mysql_stmt_close
        - now mysql_stmt_free_result doesn't free results of other statements.
      sql-common/client.c:
        - implementation of flush_use_result
        - implementation of fetch cancellation
        - changed behaviour of mysql_close in regard to mysql_stmt_close - now 
          mysql_close just set stmt->mysql to 0
      321422c8
  5. 12 Mar, 2004 1 commit
  6. 28 Nov, 2003 1 commit
    • unknown's avatar
      Added missing SSL library (Should be in source distribution) · 76bf7d22
      unknown authored
      Fixed compiler warnings (a lot of hidden variables detected by the Forte compiler)
      Added a lot of 'version_xxx' strings to 'show variables'
      Prevent copying of TMP_TABLE_PARAM (This caused core dump bug on Solaris)
      Fixed problem with printing sub selects to debug log
      
      
      Docs/mysqld_error.txt:
        Updated error messages
      Makefile.am:
        Added missing SSL library (Should be in source distribution)
      configure.in:
        Added missing SSL library
      include/sql_common.h:
        Move duplicated prototypes
      innobase/os/os0file.c:
        Added comment for line that could be removed
      innobase/srv/srv0srv.c:
        Added comment for line that could be removed
      innobase/srv/srv0start.c:
        Added comment for line that could be removed
      innobase/trx/trx0sys.c:
        Added cast to remove compiler warning
      isam/isamchk.c:
        Fixed compiler warning
      libmysql/conf_to_src.c:
        Include files in proper order
      myisam/mi_check.c:
        Removed else part that caused compiler warning
      myisam/mi_delete.c:
        Added cast
      myisam/mi_page.c:
        Added cast
      myisam/mi_preload.c:
        Added cast
      myisam/mi_write.c:
        Added cast
      myisam/myisampack.c:
        changed 'byte' to 'current_byte' to avoid compiler warnings
      mysql-test/mysql-test-run.sh:
        Removed start-from as test '<' is not portable and this can easily be done from command line
      mysys/hash.c:
        Added cast
      mysys/mf_wcomp.c:
        Removed not reached line
      mysys/my_append.c:
        Fixed include file order to get this more portable
      mysys/my_copy.c:
        Fixed include file order to get this more portable
      mysys/my_redel.c:
        Fixed include file order to get this more portable
      sql-common/client.c:
        More DBUG_PRINT
      sql-common/pack.c:
        Added casts becasue Fortre compiler apparently compares (ulonglong) < (longlong) as signed
      sql/ha_heap.cc:
        Changed variable names to not cause hidden variables
      sql/ha_innodb.cc:
        Changed variable names to not cause hidden variables
      sql/item.cc:
        Changed variable names to not cause hidden variables
      sql/item.h:
        Changed variable names to not cause hidden variables
      sql/item_cmpfunc.h:
        Changed variable names to not cause hidden variables
      sql/item_func.cc:
        Changed variable names to not cause hidden variables
      sql/item_subselect.cc:
        Changed variable names to not cause hidden variables
      sql/item_subselect.h:
        Changed variable names to not cause hidden variables
      sql/item_sum.cc:
        Changed variable names to not cause hidden variables
      sql/item_timefunc.cc:
        Changed variable names to not cause hidden variables
      sql/log.cc:
        Changed variable names to not cause hidden variables
      sql/protocol.cc:
        Changed variable names to not cause hidden variables
      sql/protocol.h:
        Changed variable names to not cause hidden variables
        Remove function not declared in protocol.cc
      sql/protocol_cursor.cc:
        Changed variable names to not cause hidden variables
      sql/set_var.cc:
        Added a lot of 'version_xxx' strings
        Changed 'bdb_version' to 'version_bdb'
      sql/sql_class.cc:
        Changed variable names to not cause hidden variables
        Add TMP_TABLE_PARAM::init() to allow one to initialize structure several times
      sql/sql_class.h:
        Prevent copying of TMP_TABLE_PARAM (This caused core dump bug on Solaris)
      sql/sql_derived.cc:
        Avoid copying TMP_TABLE_PARAM (Use class version instead)
      sql/sql_error.cc:
        More DBUG
      sql/sql_help.cc:
        Fixed compiler warning
      sql/sql_lex.cc:
        Changed variable names to not cause hidden variables
      sql/sql_list.h:
        Changed variable names to not cause hidden variables
      sql/sql_parse.cc:
        Changed variable names to not cause hidden variables
      sql/sql_select.cc:
        Changed variable names to not cause hidden variables
        Ensure that you don't send NULL to printf() for %s
        Fixed problem with printing sub selects to debug log
      sql/sql_select.h:
        Changed variable names to not cause hidden variables
      sql/sql_union.cc:
        Changed variable names to not cause hidden variables
        Don't use local copy of TMP_TABLE_PARAM (Caused core dump on Solaris)
      sql/sql_update.cc:
        Indentation cleanup
      sql/sql_yacc.yy:
        Remove warning
      strings/conf_to_src.c:
        Fixed include file order
      76bf7d22
  7. 20 Nov, 2003 1 commit
    • unknown's avatar
      Merge key cache structures to one · 35da5e43
      unknown authored
      Fixed compiler warnings (IRIX C compiler and VC++)
      
      
      VC++Files/client/mysqlclient.dsp:
        Add missing file to project
      VC++Files/libmysql/libmysql.dsp:
        Add missing file to project
      VC++Files/myisam/myisam.dsp:
        Add missing file to project
      VC++Files/mysys/mysys.dsp:
        Add missing file to project
      heap/hp_test1.c:
        Fixed wrong call to heap_rkey()
      heap/hp_test2.c:
        Fixed wrong call to heap_rkey()
      include/hash.h:
        Move not used (internal) struct to hash.c
      include/my_pthread.h:
        Made some structs 'const char*' to avoid warnings
      include/my_sys.h:
        Moved key cache structs and functions to keycache.h
      include/myisam.h:
        Merge key cache structures to one
      include/mysql.h:
        Remove STDCALL from internal functions
      include/sql_common.h:
        Remove STDCALL from internal functions
      include/violite.h:
        Fixed compiler warning
      isam/_locking.c:
        Merge key cache structures to one
      isam/_page.c:
        Merge key cache structures to one
      isam/close.c:
        Merge key cache structures to one
      isam/extra.c:
        Merge key cache structures to one
      isam/isamchk.c:
        Merge key cache structures to one
      isam/isamdef.h:
        Merge key cache structures to one
      isam/isamlog.c:
        Merge key cache structures to one
      isam/panic.c:
        Merge key cache structures to one
      isam/test2.c:
        Merge key cache structures to one
      isam/test3.c:
        Merge key cache structures to one
      libmysql/client_settings.h:
        Remove STDCALL from internal functions
      libmysql/libmysql.c:
        Remove STDCALL from internal functions
      myisam/ft_boolean_search.c:
        Fixed compiler warning
      myisam/ft_dump.c:
        Fixed compiler warnings (%qx is not portable)
      myisam/ft_update.c:
        Fixed compiler warnings
      myisam/mi_check.c:
        Merge key cache structures to one
      myisam/mi_close.c:
        Merge key cache structures to one
      myisam/mi_delete_all.c:
        Merge key cache structures to one
      myisam/mi_extra.c:
        Merge key cache structures to one
      myisam/mi_keycache.c:
        Merge key cache structures to one
      myisam/mi_locking.c:
        Merge key cache structures to one
      myisam/mi_page.c:
        Merge key cache structures to one
      myisam/mi_panic.c:
        Merge key cache structures to one
      myisam/mi_preload.c:
        Merge key cache structures to one
      myisam/mi_test1.c:
        Merge key cache structures to one
      myisam/mi_test2.c:
        Merge key cache structures to one
      myisam/mi_test3.c:
        Merge key cache structures to one
      myisam/myisamchk.c:
        Merge key cache structures to one
      myisam/myisamdef.h:
        Merge key cache structures to one
      myisam/myisamlog.c:
        Merge key cache structures to one
        Removed not used option
      myisam/sort.c:
        Fixed compiler warnings
      myisam/sp_test.c:
        Fixed compiler warnings
      mysql-test/r/case.result:
        Updated results after fix of correct NULL detection in WHEN
      mysql-test/r/date_formats.result:
        Updated results after fixing date handling
      mysql-test/r/symlink.result:
        Updated results after adding DEFAULT CHARSET
      mysql-test/t/case.test:
        New test
      mysql-test/t/symlink.test:
        Updated error numbers
      mysys/hash.c:
        Made HASH_LINK struct local
      mysys/mf_keycache.c:
        Merge key cache structures to one
        Fixed key_cache_read() and key_cache_write() to be resize-safe.
      mysys/mf_keycaches.c:
        Merge key cache structures to one
      mysys/thr_mutex.c:
        Added test if mutex is initalized
      sql-common/client.c:
        Remove STDCALL from internal functions
      sql/derror.cc:
        Added comment
      sql/field.cc:
        Removed not used variables
      sql/ha_innodb.cc:
        Fixed compiler warnings (removed not used variables)
      sql/ha_myisam.cc:
        Merge key cache structures to one
      sql/ha_myisammrg.cc:
        Removed not used variables
      sql/handler.cc:
        Merge key cache structures to one
      sql/handler.h:
        Merge key cache structures to one
      sql/item.cc:
        Fixed compiler warning
      sql/item_cmpfunc.cc:
        Remove not used variables
      sql/item_func.cc:
        Remove not used variables
      sql/item_strfunc.cc:
        Removed not used variables
      sql/item_sum.cc:
        Removed not used variables
        Moved setting of item_thd to fix_fields()
      sql/item_timefunc.cc:
        Removed not used variables
      sql/mysql_priv.h:
        Merge key cache structures to one
      sql/mysqld.cc:
        Merge key cache structures to one
        init_thread_environment() is not called before mysql_init_variables(). This fixes a case where a mutex was not initialized before it was used
      sql/opt_sum.cc:
        Remove not used variables
      sql/protocol.cc:
        Don't send errors after ok has been sent
      sql/protocol_cursor.cc:
        Remove not used variable
        Simple optimization
      sql/repl_failsafe.cc:
        Remove not used variables
      sql/set_var.cc:
        Merge key cache structures to one
      sql/set_var.h:
        Merge key cache structures to one
      sql/sql_acl.cc:
        Remove not used variables
      sql/sql_base.cc:
        Remove not used function
      sql/sql_db.cc:
        Remove not used variables
      sql/sql_handler.cc:
        Remove not used variables
      sql/sql_insert.cc:
        More DBUG statements
        Simple code cleanup
      sql/sql_lex.cc:
        Remove not used variables
      sql/sql_parse.cc:
        Remove not used variables
      sql/sql_prepare.cc:
        Remove not used variables
      sql/sql_repl.cc:
        Remove not used variables
      sql/sql_select.cc:
        Remove not used variables
      sql/sql_show.cc:
        Remove not used variables
      sql/sql_table.cc:
        Merge key cache structures to one
        Removed not used variables
      sql/sql_test.cc:
        Merge key cache structures to one
      sql/strfunc.cc:
        Fixed that find_type() returns correct value for partly matched words.
        (This fixed the error found by date_formats.test)
      sql/time.cc:
        Remove not used variables
      strings/my_strtoll10.c:
        Fixed compiler warnings
      35da5e43
  8. 17 Sep, 2003 1 commit
    • unknown's avatar
      SCRUM · 6b05f916
      unknown authored
      prepared statements in embedded library
      
      
      include/mysql.h:
        stmt_execute 'virtual' method added
      include/sql_common.h:
        two functions became global
      libmysql/client_settings.h:
        declaration for cli_stmt_execute
      libmysql/libmysql.c:
        some functions changed to be usable from embedded library
      libmysqld/lib_sql.cc:
        code for embedded stmt_execute added
      sql-common/client.c:
        cli_stmt_execute added to the methods table
      sql/client_settings.h:
        no need for prepared statements in miniclient
      6b05f916
  9. 16 Sep, 2003 1 commit
    • unknown's avatar
      SCRUM · d0580715
      unknown authored
      Prepared statements in embedded server
      Several changes in library code with two goals:
      to make mysql_prepare_stmt working in embedded server
      to get rid of #define mysql_interface_func mysql->methods->interface_func
      in user's interface
      
      
      include/mysql.h:
        modifications of interface
        two goals: to implement prepared statements and to get rid
        of #define mysql_proc (mysql->smth) in interface
      include/sql_common.h:
        read_rows function got 'virtual'
      libmysql/client_settings.h:
        interface of some functions declared in client.c moved here
      libmysql/libmysql.c:
        several functions changed with declared goals
      libmysqld/embedded_priv.h:
        libmysqld.c <--> lib_sql.cc interface moved here
      libmysqld/lib_sql.cc:
        all embedded 'virtual' functions moved here so they can be static
      libmysqld/libmysqld.c:
        embedded 'virtual' function was moved out of here
      sql-common/client.c:
        several changes with the declared goal
      sql/sql_class.h:
        place to store statement data added to THD
      sql/sql_prepare.cc:
        storing of prepare_statement result for embedded server added
      d0580715
  10. 23 Jul, 2003 1 commit
    • unknown's avatar
      SCRUM - adding client into embedded server · 41e77ddf
      unknown authored
      error handling fixed
      fetch_lengths made to work differently in embedded and client cases
      
      
      include/mysql.h:
        removed 'embedded' error containers - they're unnecessary now
        added declarations for fetch_lengths to be 'virtual'
      include/sql_common.h:
        fetch_lengths declaration removed
      libmysql/libmysql.c:
        implementations for fetch_lengths to be 'virtual' added
      libmysqld/lib_sql.cc:
        error informations now is moved from thd->net to mysql-net
      libmysqld/libmysqld.c:
        error data is in mysql->net now
      sql-common/client.c:
        we have to return old fetch_lengths implementation for 'client' case
      sql/protocol.cc:
        handling of sqlstate for embedded library added
      41e77ddf
  11. 17 Jun, 2003 1 commit
    • unknown's avatar
      SCRUM · ef726bbf
      unknown authored
      client capabilities included into libmysqld
      some API methods became "virtual"
      lots of duplicated code removed
      
      IMHO all the above made library's code way more pleasant to look at, didn't it?
      
      
      BitKeeper/deleted/.del-lib_vio.c~d779731a1e391220:
        Delete: libmysqld/lib_vio.c
      BitKeeper/etc/ignore:
        Added libmysqld/client.c libmysqld/client_settings.h libmysqld/libmysql.c libmysqld/pack.c to the ignore list
      client/mysqltest.c:
        we don't need this now
      include/mysql.h:
        MYSQL and related structures unified
        four methods made "virtual"
        relative wrappers added
      include/mysql_com.h:
        todo added
      include/mysql_embed.h:
        now we include implementations of Vio structure in libmysqld
      include/sql_common.h:
        declarations changed
      include/violite.h:
        implementation of Vio included in libmysqld
      libmysql/client_settings.h:
        changes to make this working with both client and embedded
      libmysql/libmysql.c:
        global variables and my_net_local_init moved to sql-common/pack.c
      libmysqld/Makefile.am:
        libmysql.c, client.c, pack.c symlinked and added to sources
        lib_vio.c removed
      libmysqld/examples/Makefile.am:
        now we need CLIENT_LIBS here
      libmysqld/lib_sql.cc:
        code duplications removed
        emb_advanced_command was made from simple_command
      libmysqld/libmysqld.c:
        duplicated code removed
      sql-common/client.c:
        code trimmed with new model of calling
      sql-common/pack.c:
        some code moved here from libmysql.c and protocol.cc
      sql/client_settings.h:
        we don't need mysql_use_result for mini_client
      sql/net_serv.cc:
        file included in embedded server
      sql/protocol.cc:
        code moved to sql-common/pack.c
      ef726bbf
  12. 14 Jun, 2003 1 commit
    • unknown's avatar
      Cleanup after split of libmysql.c to client.c and libmysql.c. A 4.1... · ccf59c38
      unknown authored
      Cleanup after split of libmysql.c to client.c and libmysql.c.  A 4.1 master/slave will now use the 4.1 protocol
      Fixed wrong value for SQLSTATE_LENGTH
      Added CLIENT_REMEMBER_OPTIONS to mysql_real_connect()
      Changed mysql_port and mysql_unix_port to mysqld_xxxx
      
      
      client/mysql.cc:
        Removed valgrind & compiler warnings
      client/sql_string.h:
        Fix to remove valgrind warnings
      include/mysql.h:
        Added read_timeout and write_timeout to mysql options struct.
        This is to be used for slave when connection to master.
        code cleanup
      include/mysql_com.h:
        Fixed wrong value for SQLSTATE_LENGTH
        Added CLIENT_REMEMBER_OPTIONS
      include/sql_common.h:
        Cleanup after split of libmysql.c to client.c and libmysql.c
      include/sql_state.h:
        Removed default states
      libmysql/client_settings.h:
        Cleanup after split of libmysql.c to client.c and libmysql.c
      libmysql/libmysql.c:
        Cleanup after split of libmysql.c to client.c and libmysql.c
      mysql-test/r/type_blob.result:
        Update results after someone updated error messages without running tests
      mysys/charset.c:
        More debug information
      mysys/errors.c:
        Fixed wrong error message
      sql-common/client.c:
        Cleanup after split of libmysql.c to client.c and libmysql.c
      sql/Makefile.am:
        Added sql_client.cc
      sql/client_settings.h:
        Cleanup after split of libmysql.c to client.c and libmysql.c
      sql/log.cc:
        Changed mysql_port and mysql_unix_port to mysqld_xxxx
      sql/mysql_priv.h:
        Changed mysql_port and mysql_unix_port to mysqld_xxxx
      sql/mysqld.cc:
        Changed mysql_port and mysql_unix_port to mysqld_xxxx
      sql/protocol.cc:
        Fix for SQLSTATE_LENGTH
        Moved function to sql_client.c
      sql/repl_failsafe.cc:
        Cleanup after split of libmysql.c to client.c and libmysql.c
      sql/set_var.cc:
        Changed mysql_port and mysql_unix_port to mysqld_xxxx
      sql/slave.cc:
        Cleanup after split of libmysql.c to client.c and libmysql.c
      ccf59c38
  13. 05 Jun, 2003 1 commit
    • unknown's avatar
      After merge fixes · 824dd7f5
      unknown authored
      mysql-test/r/repair_part1.result:
        Rename: mysql-test/r/repair.result -> mysql-test/r/repair_part1.result
      mysql-test/t/repair_part1.test:
        Rename: mysql-test/t/repair.test -> mysql-test/t/repair_part1.test
      include/sql_common.h:
        Declare not_error_sqlstate
      scripts/Makefile.am:
        Added back fill_help_tables.sql
      824dd7f5
  14. 03 Jun, 2003 1 commit
    • unknown's avatar
      SCRUM: · aed6de39
      unknown authored
      splittiln common client's parts
      
      
      include/sql_common.h:
        superfluous #ifdef-s removed
      libmysql/client_settings.h:
        superfluous #ifdef-s removed
      libmysql/libmysql.c:
        some litter removed
      libmysqld/lib_sql.cc:
        here we had wrong parameters
      mysys/default.c:
        this is not needed anymore - calling code fixed
      sql-common/client.c:
        code trimmed and simplified
      sql/client_settings.h:
        code trimmed
      sql/repl_failsafe.cc:
        option's initialization added
      sql/slave.cc:
        option's initialization added
      aed6de39
  15. 31 May, 2003 1 commit
    • unknown's avatar
      SCRUM: · 62c7d2cd
      unknown authored
      Here is another pack of changes about gathering common client code in
      sql-common/client.c.
      Now i symlink the client.c from sql/ and libmysql/. These directories
      have client_settings.h files to be included to client.c. It contains
      defines and declarations to compile client.c in appropriate manner.
      Also i've added include/sql_common.h, containing declarations of what
      is exported from client.c
      
      I removed as many #ifdef-s from client.c as i dared to. I think it's better
      push it with some extra #ifdef-s now (of course, if everythihg besides it is
      ok) so other people can check the code.
      
      
      Makefile.am:
        symlinking of sql-common/client.c was added
      include/mysql.h:
        MYSQL_CLIENT define moved here from libmysql/Makefile
      libmysql/Makefile.am:
        ../libmysql/client_settings.h added to the list of necessary h-files
      libmysql/Makefile.shared:
        client.lo added to the list of objects
      libmysql/libmysql.c:
        a lot of changes about separating code between libmysql.c and client.c
      mysys/default.c:
        changed to keep compiler happy
      sql-common/client.c:
        a lot of changes about code separating
      sql/Makefile.am:
        mini_client.h has to be removed
      sql/repl_failsafe.cc:
        mysql_real_connect prototype was unified, so we've got to set connection timeout separately
      sql/slave.cc:
        trimming code to the changed function's prototypes
      sql/sql_repl.cc:
        mini_client isn't needed anymore
      62c7d2cd