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MySQL 9.5 Reference Manual  / ...  / MySQL NDB Cluster 9.5  / NDB Cluster Programs  /  ndb_move_data — NDB Data Copy Utility

25.5.15 ndb_move_data — NDB Data Copy Utility

ndb_move_data copies data from one NDB table to another.

Usage

The program is invoked with the names of the source and target tables; either or both of these may be qualified optionally with the database name. Both tables must use the NDB storage engine.

ndb_move_dataoptionssourcetarget

Options that can be used withndb_move_data are shown in the following table. Additional descriptions follow the table.

  • --abort-on-error

    Command-Line Format--abort-on-error

    Dump core on permanent error (debug option).

  • --character-sets-dir=name

    Command-Line Format--character-sets-dir=path
    TypeString
    Default Value[none]

    Directory where character sets are.

  • --connect-retry-delay

    Command-Line Format--connect-retry-delay=#
    TypeInteger
    Default Value5
    Minimum Value0
    Maximum Value5

    Number of seconds to wait between attempts to contact management server.

  • --connect-retries

    Command-Line Format--connect-retries=#
    TypeInteger
    Default Value12
    Minimum Value0
    Maximum Value12

    Number of times to retry connection before giving up.

  • --connect-string

    Command-Line Format--connect-string=connection_string
    TypeString
    Default Value[none]

    Same as--ndb-connectstring.

  • --core-file

    Command-Line Format--core-file

    Write core file on error; used in debugging.

  • --database=dbname,-d

    Command-Line Format--database=name
    TypeString
    Default ValueTEST_DB

    Name of the database in which the table is found.

  • --defaults-extra-file

    Command-Line Format--defaults-extra-file=path
    TypeString
    Default Value[none]

    Read given file after global files are read.

  • --defaults-file

    Command-Line Format--defaults-file=path
    TypeString
    Default Value[none]

    Read default options from given file only.

  • --defaults-group-suffix

    Command-Line Format--defaults-group-suffix=string
    TypeString
    Default Value[none]

    Also read groups with concat(group, suffix).

  • --drop-source

    Command-Line Format--drop-source

    Drop source table after all rows have been moved.

  • --error-insert

    Command-Line Format--error-insert

    Insert random temporary errors (testing option).

  • --exclude-missing-columns

    Command-Line Format--exclude-missing-columns

    Ignore extra columns in source or target table.

  • --help

    Command-Line Format--help

    Display help text and exit.

  • --login-path

    Command-Line Format--login-path=path
    TypeString
    Default Value[none]

    Read given path from login file.

  • --no-login-paths

    Command-Line Format--no-login-paths

    Skips reading options from the login path file.

  • --lossy-conversions,-l

    Command-Line Format--lossy-conversions

    Allow attribute data to be truncated when converted to a smaller type.

  • --ndb-connectstring

    Command-Line Format--ndb-connectstring=connection_string
    TypeString
    Default Value[none]

    Set connection string for connecting tondb_mgmd. Syntax:[nodeid=id;][host=]hostname[:port]. Overrides entries inNDB_CONNECTSTRING andmy.cnf.

  • --ndb-mgm-tls

    Command-Line Format--ndb-mgm-tls=level
    TypeEnumeration
    Default Valuerelaxed
    Valid Values

    relaxed

    strict

    Sets the level of TLS support required to connect to the management server; one ofrelaxed orstrict.relaxed (the default) means that a TLS connection is attempted, but success is not required;strict means that TLS is required to connect.

  • --ndb-mgmd-host

    Command-Line Format--ndb-mgmd-host=connection_string
    TypeString
    Default Value[none]

    Same as--ndb-connectstring.

  • --ndb-nodeid

    Command-Line Format--ndb-nodeid=#
    TypeInteger
    Default Value[none]

    Set node ID for this node, overriding any ID set by--ndb-connectstring.

  • --ndb-optimized-node-selection

    Command-Line Format--ndb-optimized-node-selection

    Enable optimizations for selection of nodes for transactions. Enabled by default; use--skip-ndb-optimized-node-selection to disable.

  • --ndb-tls-search-path

    Command-Line Format--ndb-tls-search-path=list
    TypePath name
    Default Value (Unix)$HOME/ndb-tls
    Default Value (Windows)$HOMEDIR/ndb-tls

    Specify a list of directories to search for a CA file. On Unix platforms, the directory names are separated by colons (:); on Windows systems, the semicolon character (;) is used as the separator. A directory reference may be relative or absolute; it may contain one or more environment variables, each denoted by a prefixed dollar sign ($), and expanded prior to use.

    Searching begins with the leftmost named directory and proceeds from left to right until a file is found. An empty string denotes an empty search path, which causes all searches to fail. A string consisting of a single dot (.) indicates that the search path limited to the current working directory.

    If no search path is supplied, the compiled-in default value is used. This value depends on the platform used: On Windows, this is\ndb-tls; on other platforms (including Linux), it is$HOME/ndb-tls. This can be overridden by compiling NDB Cluster using-DWITH_NDB_TLS_SEARCH_PATH.

  • --no-defaults

    Command-Line Format--no-defaults

    Do not read default options from any option file other than login file.

  • --print-defaults

    Command-Line Format--print-defaults

    Print program argument list and exit.

  • --promote-attributes,-A

    Command-Line Format--promote-attributes

    Allow attribute data to be converted to a larger type.

  • --staging-tries=x[,y[,z]]

    Command-Line Format--staging-tries=x[,y[,z]]
    TypeString
    Default Value0,1000,60000

    Specify tries on temporary errors. Format is x[,y[,z]] where x=max tries (0=no limit), y=min delay (ms), z=max delay (ms).

  • --usage

    Command-Line Format--usage

    Display help text and exit; same as--help.

  • --verbose

    Command-Line Format--verbose

    Enable verbose messages.

  • --version

    Command-Line Format--version

    Display version information and exit.