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25.39.21 The INFORMATION_SCHEMA INNODB_LOCK_WAITS Table
The INNODB_LOCK_WAITS table contains
one or more rows for each blocked InnoDB
transaction, indicating the lock it has requested and any locks
that are blocking that request.
This table is deprecated and is removed as of MySQL 8.0.1. Use
the Performance Schema
data_lock_waits table instead. See
Section 26.12.12.2, “The data_lock_waits Table”.
The tables differ in the privileges required: The
INNODB_LOCK_WAITS table requires
the global PROCESS privilege. The
data_lock_waits table requires the
usual Performance Schema privilege of
SELECT on the table to be
selected from.
The following table shows the mapping from
INNODB_LOCK_WAITS columns to
data_lock_waits columns. Use this
information to migrate applications from one table to the other.
Table 25.5 Mapping from INNODB_LOCK_WAITS to data_lock_waits Columns
| INNODB_LOCK_WAITS Column | data_lock_waits Column |
|---|---|
REQUESTING_TRX_ID |
REQUESTING_ENGINE_TRANSACTION_ID |
REQUESTED_LOCK_ID |
REQUESTING_ENGINE_LOCK_ID |
BLOCKING_TRX_ID |
BLOCKING_ENGINE_TRANSACTION_ID |
BLOCKING_LOCK_ID |
BLOCKING_ENGINE_LOCK_ID |
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