sa_diagnostic_cursor table

The sa_diagnostic_cursor table is owned by the dbo user. Each row describes either an internal or external cursor opened during the logging session.

There are two versions of this table: sa_diagnostic_cursor, and sa_tmp_diagnostic_cursor.

Columns
Column name Column type Column constraint Table constraints
logging_session_id UNSIGNED INT NOT NULL

Primary key.

Foreign key references sa_diagnostic_query.

cursor_id UNSIGNED BIGINT NOT NULL

Primary key.

query_id UNSIGNED BIGINT NOT NULL

Foreign key references sa_diagnostic_query.

isolation_level TINYINT
flags UNSIGNED INT
forward_fetches UNSIGNED INT
reverse_fetches UNSIGNED INT
absolute_fetches UNSIGNED INT
first_fetch_time_ms UNSIGNED INT
total_fetch_time_ms UNSIGNED INT
plan_xml LONG VARCHAR

logging_session_id   A number uniquely identifying the logging session during which the diagnostic information was gathered.

cursor_id   A unique number identifying the cursor.

query_id   Identifies the query over which this cursor ranges.

isolation_level   Isolation level at which this cursor was opened.

flags   Internal use.

forward_fetches   Number of forward fetches, including prefetches, done on the cursor.

reverse_fetches   Number of reverse fetches, including prefetches, done on the cursor.

absolute_fetches   Number of absolute fetches done on the cursor.

first_fetch_time_ms   Duration of time spent fetching the first row.

total_fetch_time_ms   Duration of time spent fetching. This value does not include application processing time between actual fetches (think time).

plan_xml   Detailed plan for cursors that were dumped at the time the cursor was closed. These plans contain detailed statistics where appropriate.

See also