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    Added NDB storage engine · b43af929
    unknown authored
    
    include/my_base.h:
      Added three new errorcodes to be returned by the handler
    sql/Makefile.am:
      Add new files discover.cc, ha_ndbcluster.cc and ha_ndbcluster.h
      Add include path of NDB files
    sql/handler.cc:
      Added variable for keeping track of number of "discovers"
      Added NDB to list of storage engines
      Added calls to NDB for commit, rollback etc.
      Added function ha_discover for discovering a table from handler
    sql/handler.h:
      Added NDB to list of storage engines
      Added vbariable in transaction for keeping a ndb transaction handle
    sql/lex.h:
      Changed AND to AND_SYM and OR to OR_SYM to avoid nameclash
    sql/mysql_priv.h:
      Added prototypes for new functions readfrm, writefrm and create_table_from_handler
    sql/mysqld.cc:
      Added NDB support
      Disable NDB with --skip-ndbcluster
    sql/set_var.cc:
      Add posibilty to show if NDB handler is supported
    sql/ha_ndbcluster.cc:
      Add ifdef for whole file for not compiling anything if NDB sholdn't be included
      Updated timestamp handling to use new vars timestamp_default_now and timestamp_on_update_now
    sql/sql_base.cc:
      If frm file is not found on disk, ask handler if it knows about the table. Then retry the open.
      This new functionality is called "discover" and can be used by any handler.
    sql/sql_class.h:
      Added variable for keeping a NDB connection handle
    sql/sql_table.cc:
      Before trying to create a table, ask handler if a table with that name already exists.
      If user said CREATE TABLE IF NOT EXISTS, disocver the table from handler
    sql/sql_yacc.yy:
      Add NDBCLUSTER_SYM
      Change AND to AND_SYM
      Change OR to OR_SYM
    sql/table.cc:
      Fixe for probelm when NullS is returned from bas_ext of a handler.
    b43af929
my_base.h 13.7 KB