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Table structure

Settings for the table structure (list of columns).

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Default transformations
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.
Documentation Values for options list for default transformations. These will be overwritten if transformation is filled in at table structure page.

metadata_locks

# Name Type Collation Attributes Null Default Comments Extra
1 varchar(64) utf8mb3_general_ci No None Object type. One of BACKUP, COMMIT, EVENT, FUNCTION, GLOBAL, LOCKING SERVICE, PROCEDURE, SCHEMA, TABLE, TABLESPACE, TRIGGER (unused) or USER LEVEL LOCK.
2 varchar(64) utf8mb3_general_ci Yes NULL Object schema.
3 varchar(64) utf8mb3_general_ci Yes NULL Object name.
4 bigint(20) UNSIGNED No None Address in memory of the instrumented object.
5 varchar(32) utf8mb3_general_ci No None Lock type. One of BACKUP_FTWRL1, BACKUP_START, BACKUP_TRANS_DML, EXCLUSIVE, INTENTION_EXCLUSIVE, SHARED, SHARED_HIGH_PRIO, SHARED_NO_READ_WRITE, SHARED_NO_WRITE, SHARED_READ, SHARED_UPGRADABLE or SHARED_WRITE.
6 varchar(32) utf8mb3_general_ci No None Lock duration. One of EXPLICIT (locks released by explicit action, for example a global lock acquired with FLUSH TABLES WITH READ LOCK) , STATEMENT (locks implicitly released at statement end) or TRANSACTION (locks implicitly released at transaction end).
7 varchar(32) utf8mb3_general_ci No None Lock status. One of GRANTED, KILLED, PENDING, POST_RELEASE_NOTIFY, PRE_ACQUIRE_NOTIFY, TIMEOUT or VICTIM.
8 varchar(64) utf8mb3_general_ci Yes NULL Source file containing the instrumented code that produced the event, as well as the line number where the instrumentation occurred. This allows one to examine the source code involved.
9 bigint(20) UNSIGNED Yes NULL Thread that requested the lock.
10 bigint(20) UNSIGNED Yes NULL Event that requested the lock.
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    Partitions Documentation
    Information
    Row statistics
    Format dynamic
    Collation utf8mb3_general_ci
    Rows 0
    Next autoindex 0
    Creation Oct 27, 2026 at 02:22 AM
    Last update Oct 27, 2026 at 02:22 AM
    Last check Oct 27, 2026 at 02:22 AM