Giters
greenplum-db
/
gporca
A modular query optimizer for big data
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Stargazers:
618
Watchers:
111
Issues:
78
Forks:
216
greenplum-db/gporca Issues
Query plan on table with index x2 faster without ORCA and Seq Scan
Updated
8 months ago
Comments count
4
Incorrect result about group by SQL
Closed
a year ago
Comments count
1
Is a bug of CExpression.cpp:505?
Updated
2 years ago
Should consider startup cost of inner table in NLJ?
Closed
2 years ago
Comments count
1
Is there any formal grammar for the definition of query/plan?
Updated
2 years ago
Orca - how to use
Closed
2 years ago
Delegating query optimization task to Orca
Updated
2 years ago
Comments count
1
[question] why use `virtual` instead of `override`
Closed
3 years ago
why COptCtxt to tls
Updated
3 years ago
Orca optimizer single-threaded vs. multi-threaded
Updated
3 years ago
Comments count
3
CHistogram should keep track of row count (cardinality)
Updated
3 years ago
no <dxl:DistrOpfamilies> tag in gporca/server/dxl.xsd
Updated
3 years ago
clang-format in Allman style always indents the contents of extern "C" blocks in C headers
Updated
4 years ago
gporca occurs exception when using statistic from numeric(30, 8) column to optimize plan
Updated
4 years ago
can orca apply to innodb?
Updated
4 years ago
make error on aarch64 with gcc 8.3.0 on archlinuxarm 64
Closed
4 years ago
Comments count
8
GPORCA doesn't support aarch64 platform.
Updated
4 years ago
make error on solaris
Closed
4 years ago
Comments count
3
ORCA does not generate a direct dispatch plan for aggregate filtered on the distribution key
Closed
5 years ago
Comments count
1
Long plan generation utilising all available memory
Updated
5 years ago
Comments count
1
Incorrect join partition elimination
Updated
5 years ago
Comments count
3
Memory leak when running JoinPlanWithRedistribute.mdp in debug mode
Updated
5 years ago
UNION ALL with many columns may cause explain so slow
Closed
5 years ago
Comments count
1
Is there a quickstart for integrating Orca with other dbms?
Updated
5 years ago
Orca generates wrong results for UDA with correlated subquery
Closed
5 years ago
Comments count
4
dyld: Library not loaded: @rpath/libgpopt.3.dylib
Updated
5 years ago
ORCA generates a plan causing a crash
Closed
5 years ago
Comments count
2
checking Checking ORCA version... configure: error: Your ORCA version is expected to be 3.14.XXX
Closed
5 years ago
Comments count
6
Orca generated quite inefficient plan for correlated subquery
Updated
5 years ago
WIP: An aggregate named "max" shouldn't be considered so special
Updated
6 years ago
Conan installation of ORCA fails: Unable to connect to conan-center=https://conan.bintray.com
Closed
6 years ago
Comments count
8
ORCA falls back to planner when an inverse operator is missing
Updated
6 years ago
error: unknown type name 'char16_t'
Closed
6 years ago
Comments count
3
ERROR: bogus varattno for OUTER var: 4 (ruleutils.c:3636)
Closed
6 years ago
Comments count
1
Nestloop join should materialize inner as much as possible
Closed
6 years ago
Comments count
1
Duplicate preprocess steps
Closed
6 years ago
Orca choosing a hashjoin when subtype lacks a hash function errors out
Updated
6 years ago
make error on Ubuntu 18.04 with gcc 7.3
Closed
6 years ago
Comments count
2
Orca nestloop join should not broadcast co-located tables
Closed
6 years ago
Comments count
2
Query to trigger CXformPushGbBelowJoin
Closed
6 years ago
Comments count
6
Orca generate bad plan that has duplicate Stream Aggregate nodes
Updated
6 years ago
GPOS clobbers standard integer macros INT_MIN, INT_MAX, ULONG_MAX, ULLONG_MAX, etc
Closed
6 years ago
Orca generates subplan for uncorrelated subquery
Updated
7 years ago
Comments count
2
memory threshold for hash join spilling should be dynamic
Updated
7 years ago
::UlHash() member function should cache the hash value
Updated
7 years ago
Remove lock in CPhysicalJoin::PppsRequiredJoinChild?
Updated
7 years ago
Orca generates redundant motion for left outer join with multiple distribution keys
Updated
7 years ago
Orca doesn't pick up index with expression
Updated
7 years ago
Comments count
1
Orca falls back to planner due to cache lookup failure
Updated
7 years ago
CBitVector::FEqual logic is wrong
Updated
7 years ago
Comments count
1
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