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21.6.15.38 The ndbinfo table_info Table

Thetable_info table provides information about logging, checkpointing, distribution, and storage options in effect for individualNDB tables.

Thetable_info table contains the following columns:

  • table_id

    Table ID

  • logged_table

    Whether table is logged (1) or not (0)

  • row_contains_gci

    Whether table rows contain GCI (1 true, 0 false)

  • row_contains_checksum

    Whether table rows contain checksum (1 true, 0 false)

  • read_backup

    If backup fragment replicas are read this is 1, otherwise 0

  • fully_replicated

    If table is fully replicated this is 1, otherwise 0

  • storage_type

    Table storage type; one ofMEMORY orDISK

  • hashmap_id

    Hashmap ID

  • partition_balance

    Partition balance (fragment count type) used for table; one ofFOR_RP_BY_NODE,FOR_RA_BY_NODE,FOR_RP_BY_LDM, orFOR_RA_BY_LDM

  • create_gci

    GCI in which table was created

Notes

Thetable_info table was added in NDB 7.5.4.