Search for a rule that logs all users for any account string.
SHOW QUERY LOGGING ON ALL;
The system searches level 5 of the rules hierarchy, finds an exact match, and returns Rule 1, as follows.
Rule UserName "ALL" (From an ALL rule)
Rule UserId 00000000
Account (Rule for any Account)
DBQL RULE:
Explain F
Object F
SQL F
Step F
XMLPlan F
StatsUsage F
UseCount F
Param F
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StatsDetails F
UtilityInfo F
Summary F
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Text Size Limit 200