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MySQL 5.7 Reference Manual
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21.4.2 ndbinfo_select_all — Select From ndbinfo Tables

ndbinfo_select_allis a client program that selects all rows and columns from one or more tables in thendbinfodatabase

Not allndbinfotables available in themysql客户通过这个程序可以读取。此外,ndbinfo_select_allcan show information about some tables internal tondbinfowhich cannot be accessed using SQL, including thetablesandcolumnsmetadata tables.

To select from one or morendbinfotables usingndbinfo_select_all, it is necessary to supply the names of the tables when invoking the program as shown here:

shell> ndbinfo_select_alltable_name1[table_name2] [...]

For example:

shell> ndbinfo_select_all logbuffers logspaces == logbuffers == node_id log_type log_id log_part total used high 5 0 0 0 33554432 262144 0 6 0 0 0 33554432 262144 0 7 0 0 0 33554432 262144 0 8 0 0 0 33554432 262144 0 == logspaces == node_id log_type log_id log_part total used high 5 0 0 0 268435456 0 0 5 0 0 1 268435456 0 0 5 0 0 2 268435456 0 0 5 0 0 3 268435456 0 0 6 0 0 0 268435456 0 0 6 0 0 1 268435456 0 0 6 0 0 2 268435456 0 0 6 0 0 3 268435456 0 0 7 0 0 0 268435456 0 0 7 0 0 1 268435456 0 0 7 0 0 2 268435456 0 0 7 0 0 3 268435456 0 0 8 0 0 0 268435456 0 0 8 0 0 1 268435456 0 0 8 0 0 2 268435456 0 0 8 0 0 3 268435456 0 0 shell>

Options that can be used withndbinfo_select_all下表所示。附加备注说明iptions follow the table.

Table 21.23 Command-line options used with the program ndbinfo_select_all

Format Description Added, Deprecated, or Removed

--character-sets-dir=path

Directory containing character sets

(Supported in all NDB releases based on MySQL 5.7)

--connect-retries=#

Number of times to retry connection before giving up

(Supported in all NDB releases based on MySQL 5.7)

--connect-retry-delay=#

Number of seconds to wait between attempts to contact management server

(Supported in all NDB releases based on MySQL 5.7)

--connect-string=connection-string,

-c

Same as --ndb-connectstring

(Supported in all NDB releases based on MySQL 5.7)

--core-file

Write core file on error; used in debugging

(Supported in all NDB releases based on MySQL 5.7)

--database=db_name,

-d

Name of database where table is located

(Supported in all NDB releases based on MySQL 5.7)

--defaults-extra-file=path

阅读计划投入en file after global files are read

(Supported in all NDB releases based on MySQL 5.7)

--defaults-file=path

Read default options from given file only

(Supported in all NDB releases based on MySQL 5.7)

--defaults-group-suffix=string

Also read groups with concat(group, suffix)

(Supported in all NDB releases based on MySQL 5.7)

--delay=#

Set delay in seconds between loops

(Supported in all NDB releases based on MySQL 5.7)

--help,

-?

Display help text and exit

(Supported in all NDB releases based on MySQL 5.7)

--login-path=path

阅读计划投入en path from login file

(Supported in all NDB releases based on MySQL 5.7)

——循环=#,

-l

Set number of times to perform select

(Supported in all NDB releases based on MySQL 5.7)

--ndb-connectstring=connection-string,

-c

Set connect string for connecting to ndb_mgmd. Syntax: "[nodeid=id;][host=]hostname[:port]". Overrides entries in NDB_CONNECTSTRING and my.cnf

(Supported in all NDB releases based on MySQL 5.7)

——ndb-mgmd-host =连接字符串,

-c

Same as --ndb-connectstring

(Supported in all NDB releases based on MySQL 5.7)

--ndb-nodeid=#

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

(Supported in all NDB releases based on MySQL 5.7)

--no-defaults

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

(Supported in all NDB releases based on MySQL 5.7)

--ndb-optimized-node-selection

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

(Supported in all NDB releases based on MySQL 5.7)

--parallelism=#,

-p

Set degree of parallelism

(Supported in all NDB releases based on MySQL 5.7)

--print-defaults

Print program argument list and exit

(Supported in all NDB releases based on MySQL 5.7)

--usage,

-?

Display help text and exit; same as --help

(Supported in all NDB releases based on MySQL 5.7)

--version,

-V

Display version information and exit

(Supported in all NDB releases based on MySQL 5.7)


  • --character-sets-dir

    Command-Line Format --character-sets-dir=path

    Directory containing character sets.

  • --connect-retries

    Command-Line Format --connect-retries=#
    Type Integer
    Default Value 12
    Minimum Value 0
    Maximum Value 12

    Number of times to retry connection before giving up.

  • --connect-retry-delay

    Command-Line Format --connect-retry-delay=#
    Type Integer
    Default Value 5
    Minimum Value 0
    Maximum Value 5

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

  • --connect-string

    Command-Line Format --connect-string=connection-string
    Type String
    Default Value [none]

    Same as--ndb-connectstring.

  • --core-file

    Command-Line Format --core-file

    Write core file on error; used in debugging.

  • --defaults-extra-file

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

    阅读计划投入en file after global files are read.

  • --defaults-file

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

    Read default options from given file only.

  • --defaults-group-suffix

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

    Also read groups with concat(group, suffix).

  • --delay=seconds

    Command-Line Format --delay=#
    Type Numeric
    Default Value 5
    Minimum Value 0
    Maximum Value MAX_INT

    This option sets the number of seconds to wait between executing loops. Has no effect if——循环is set to 0 or 1.

  • --help

    Command-Line Format --help

    Display help text and exit.

  • --login-path

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

    阅读计划投入en path from login file.

  • ——循环=number,-lnumber

    Command-Line Format ——循环=#
    Type Numeric
    Default Value 1
    Minimum Value 0
    Maximum Value MAX_INT

    This option sets the number of times to execute the select. Use--delayto set the time between loops.

  • --ndb-connectstring

    Command-Line Format --ndb-connectstring=connection-string
    Type String
    Default Value [none]

    Set connect string for connecting to ndb_mgmd. Syntax: "[nodeid=id;][host=]hostname[:port]". Overrides entries in NDB_CONNECTSTRING and my.cnf.

  • --ndb-mgmd-host

    Command-Line Format ——ndb-mgmd-host =连接字符串
    Type String
    Default Value [none]

    Same as--ndb-connectstring.

  • --ndb-nodeid

    Command-Line Format --ndb-nodeid=#
    Type Integer
    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-selectionto disable.

  • --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.

  • --usage

    Command-Line Format --usage

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

  • --version

    Command-Line Format --version

    Display version information and exit.