Compares all abstract plans in two abstract plan groups.
sp_cmp_all_qplans group1, group2 [, mode]
are the names of the 2 abstract plan groups.
is the display option, one of: counts, brief, same, diff, first, second, offending and full. The default mode is counts.
Generates a default report on 2 abstract plan groups:
sp_cmp_all_qplans dev_plans, prod_plans
If the two query plans groups are large, this might take some time. Query plans that are the same count ----------- 49 Different query plans that have the same association key count ----------- 1 Query plans present only in group ’dev_plans’ : count ----------- 1 Query plans present only in group ’prod_plans’ : count ----------- 0
Generates a report using the brief mode:
sp_cmp_all_qplans dev_plans, prod_plans, brief
Use sp_cmp_all_qplans to check for differences in abstract plans in two groups of plans.
sp_cmp_all_qplans matches pairs of plans where the plans in each group have the same user ID and query text. The plans are classified as follows:
Plans that are the same
Plans that have the same association key in both groups, but have different abstract plans. The association key is the group ID, user ID and query text.
Plans that exist in one group, but do not exist in the other group
Table 1-14 shows the report modes and what type of information is reported for each mode.
To compare two individual abstract plans, use sp_cmp_qplans. To see the names of abstract plan groups, use sp_help_qpgroup.
When a System Administrator or Database Owner runs sp_cmp_all_qplans, it reports on all plans in the two groups. When another user executes sp_cmp_all_qplans, it reports only on plans that have the user’s ID.
Any user can execute sp_cmp_all_qplans.
Values in event and extrainfo columns from the sysaudits table are:
Event |
Audit option |
Command or access audited |
Information in extrainfo |
---|---|---|---|
38 |
exec_procedure |
Execution of a procedure |
|
System procedures sp_cmp_qplans, sp_help_qpgroup
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