Yingyi Bu has posted comments on this change.

Change subject: Ensure Metadata locks are acquired for SqlPP queries
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Patch Set 2:

@abdullah, acquiring additional locks seems is a hack.

What we can do is:
-- In VariableCheckAndRewriteVisitor, adding dataverses/datasets into the 
context upon recognition;
-- In ResolveVariableRule, acquiring additional locks if any 
datasets/dataverses are recognized there.

-- 
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Gerrit-MessageType: comment
Gerrit-Change-Id: I5f468599897a37cbcb12d8577d072f340f0d949c
Gerrit-PatchSet: 2
Gerrit-Project: asterixdb
Gerrit-Branch: master
Gerrit-Owner: abdullah alamoudi <[email protected]>
Gerrit-Reviewer: Jenkins <[email protected]>
Gerrit-Reviewer: Till Westmann <[email protected]>
Gerrit-Reviewer: Yingyi Bu <[email protected]>
Gerrit-Reviewer: abdullah alamoudi <[email protected]>
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