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25.6.16.39 The ndbinfo index_columns Table

This table provides information about indexes onNDB tables. The columns of theindex_columns table are listed here, along with brief descriptions:

  • table_id

    Unique ID of theNDB table for which the index is defined

  • Name of the database containing this table

    varchar(64)

  • table_name

    Name of the table

  • index_object_id

    Object ID of this index

  • index_name

    Name of the index; if the index is not named, the name of the first column in the index is used

  • index_type

    Type of index; normally this is 3 (unique hash index) or 6 (ordered index); the values are the same as those in thetype_id column of thedict_obj_types table

  • status

    One ofnew,changed,retrieved,invalid, oraltered

  • columns

    A comma-delimited list of columns making up the index

Theindex_columns table was added in NDB 8.0.29.