VMware Greenplum v6.18 Documentationto finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent plan. To avoid generating sub-optimal plans, the query optimizer now generates both partition elimination options but only for the greedy algorithm, regardless of the join order chosen. This helps to GPORCA operates with an emphasis on generating join orders that are suitable for dynamic partition elimination. This often results in faster optimization times and/or better execution plans, especially when0 码力 | 1959 页 | 19.73 MB | 1 年前3
VMware Greenplum v6.19 Documentationto finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent plan. To avoid generating sub-optimal plans, the query optimizer now generates both partition elimination options but only for the greedy algorithm, regardless of the join order chosen. This helps to GPORCA operates with an emphasis on generating join orders that are suitable for dynamic partition elimination. This often results in faster optimization times and/or better execution plans, especially when0 码力 | 1972 页 | 20.05 MB | 1 年前3
VMware Tanzu Greenplum v6.20 Documentationto finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent plan. To avoid generating sub-optimal plans, the query optimizer now generates both partition elimination options but only for the greedy algorithm, regardless of the join order chosen. This helps to GPORCA operates with an emphasis on generating join orders that are suitable for dynamic partition elimination. This often results in faster optimization times and/or better execution plans, especially when0 码力 | 1988 页 | 20.25 MB | 1 年前3
VMware Greenplum 6 Documentationtimestamp9 could not be used as a distribution key. 32667, 32668 : Resolves an issue where partition elimination was failing on columns of type timestamp9. Server N/A : Resolves an issue where -- when a mirror case. 14273 Resolved an issue where GPORCA could crash when a query involved dynamic partition elimination with a dynamic partial scan. 14246 Resolved a dependency issue that occurred when minirepo was to finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent0 码力 | 2445 页 | 18.05 MB | 1 年前3
VMware Greenplum 6 Documentationtimestamp9 could not be used as a distribution key. 32667, 32668 Resolves an issue where partition elimination was failing on columns of type timestamp9. Server N/A Resolves an issue where – when a mirror case. 14273 Resolved an issue where GPORCA could crash when a query involved dynamic partition elimination with a dynamic partial scan. 14246 Resolved a dependency issue that occurred when minirepo was to finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent0 码力 | 2374 页 | 44.90 MB | 1 年前3
VMware Greenplum v6.25 Documentationtimestamp9 could not be used as a distribution key. 32667, 32668 : Resolves an issue where partition elimination was failing on columns of type timestamp9. Server N/A : Resolves an issue where -- when a mirror Inc. 164 Resolved an issue where GPORCA could crash when a query involved dynamic partition elimination with a dynamic partial scan. 14246 Resolved a dependency issue that occurred when minirepo was to finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent0 码力 | 2400 页 | 18.02 MB | 1 年前3
VMware Tanzu Greenplum v6.23 Documentationcase. 14273 Resolved an issue where GPORCA could crash when a query involved dynamic partition elimination with a dynamic partial scan. 14246 Resolved a dependency issue that occurred when minirepo was to finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent plan. To avoid generating sub-optimal plans, the query optimizer now generates both partition elimination options but only for the greedy algorithm, regardless of the join order chosen. This helps to0 码力 | 2298 页 | 40.94 MB | 1 年前3
VMware Tanzu Greenplum 6 Documentationcase. 14273 Resolved an issue where GPORCA could crash when a query involved dynamic partition elimination with a dynamic partial scan. 14246 Resolved a dependency issue that occurred when minirepo was to finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent plan. To avoid generating sub-optimal plans, the query optimizer now generates both partition elimination options but only for the greedy algorithm, VMware Tanzu Greenplum 6 Documentation VMware, Inc0 码力 | 2311 页 | 17.58 MB | 1 年前3
VMware Tanzu Greenplum v6.21 Documentationto finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent plan. To avoid generating sub-optimal plans, the query optimizer now generates both partition elimination options but only for the greedy algorithm, regardless of the join order chosen. This helps to GPORCA operates with an emphasis on generating join orders that are suitable for dynamic partition elimination. This often results in faster optimization times and/or better execution plans, especially when0 码力 | 2025 页 | 33.54 MB | 1 年前3
VMware Greenplum v6.17 Documentationto finding a plan that exploited dynamic partition elimination (DPE) and sometimes ignoring cases where both static and dynamic partition elimination would improve plan performance. This was done to prevent plan. To avoid generating sub-optimal plans, the query optimizer now generates both partition elimination options but only for the greedy algorithm, regardless of the join order chosen. This helps to Partition large tables only. Do not partition small tables. Use partitioning only if partition elimination (partition pruning) can be achieved based on the query criteria. Choose range partitioning over0 码力 | 1893 页 | 17.62 MB | 1 年前3
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