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Summary
Project:
LucidDB
Components:
Optimizer
Resolutions:
Unresolved
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T
Key
Summary
Assignee
Reporter
Pr
Status
Res
Created
Updated
Due
LDB-204
Rewrite count(*) from table with no filters/aggs/etc to use FEM storedtable values
Rushan Chen
Nicholas Goodman
Open
UNRESOLVED
30/Nov/09
17/Jun/10
LDB-101
statement auto-recompilation
John V. Sichi
John V. Sichi
Open
UNRESOLVED
28/May/06
28/May/06
LDB-155
constant reduction for special functions like CURRENT_DATE
John V. Sichi
John V. Sichi
Open
UNRESOLVED
16/Feb/07
10/May/07
LDB-168
provide accurate rowcount information in plans
John V. Sichi
John V. Sichi
Open
UNRESOLVED
20/Sep/07
20/Sep/07
LDB-174
push projection below converter
John V. Sichi
John V. Sichi
Open
UNRESOLVED
21/Apr/08
21/Apr/08
LDB-176
Non-optimal query plans can be chosen because of limitations in join result estimates when join inputs are filtered
Zelaine Fong
Zelaine Fong
Open
UNRESOLVED
20/Jun/08
20/Jun/08
LDB-180
LucidDB costing does not take into consideration row widths
Zelaine Fong
Zelaine Fong
Open
UNRESOLVED
20/Aug/08
20/Aug/08
LDB-185
Investigate why usage of semijoins on large fact tables can be more expensive than directly filtering the table
Zelaine Fong
Zelaine Fong
Open
UNRESOLVED
22/Oct/08
22/Oct/08
LDB-192
subqueries in UPDATE don't work
John V. Sichi
John V. Sichi
Open
UNRESOLVED
12/Dec/08
02/Sep/09
LDB-195
Uncorrelated subquery in UPDATE statement results in AssertionError
John V. Sichi
Rhys Keepence
Open
UNRESOLVED
28/Aug/09
02/Sep/09
LDB-196
Optimize to count values from compressed column store idx
Rushan Chen
Nicholas Goodman
Open
UNRESOLVED
04/Sep/09
20/Jun/10