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[HIVE-21794] Add materialized view parameters to sqlStdAuthSafeVarNameRegexes - Hive - [issue]
...> set hive.materializedview.rewriting=false;Error: Error while processing statement: Cannot modify hive.materializedview.rewriting at runtime. It is not in list of params that are allowed...    Author: Jesus Camacho Rodriguez , 2019-05-25, 05:46
[HIVE-21793] CBO retrieves column stats even if hive.stats.fetch.column.stats is set to false - Hive - [issue]
...When we go through CBO, we end up ignoring the flag value and we always retrieve column stats....    Author: Jesus Camacho Rodriguez , 2019-05-25, 05:45
[HIVE-21780] SetHashGroupByMinReduction should check parent operator number of rows to compute reduction - Hive - [issue]
...Currently it incorrectly checks the number of rows in the Group By operator itself....    Author: Jesus Camacho Rodriguez , 2019-05-23, 16:27
[HIVE-21399] Adjust statically depending on group by statistics - Hive - [issue]
...Currently, the value is set statically from config variable. If stats are available, we could try to adjust this value at optimization time to favor turning off hash aggregation earlier....    Author: Jesus Camacho Rodriguez , 2019-05-22, 18:21
[HIVE-21365] Refactor Hep planner steps in CBO - Hive - [issue]
...Using subprograms to decrease number of planner instantiations and benefit fully from metadata providers caching, among other benefits....    Author: Jesus Camacho Rodriguez , 2019-05-17, 00:58
[CALCITE-3066] RelToSqlConverter may incorrectly throw an AssertionError for some decimal literals - Calcite - [issue]
...Issue can be reproduced adding the following query to RelToSqlConverterTest:select -0.0000000123 from "expense_fact";Caused by: java.lang.AssertionError: -1.23E-8 at org.apache.calcite.sql.S...    Author: Jesus Camacho Rodriguez , 2019-05-15, 18:17
[HIVE-21696] Include partition columns and column stats in explain cbo formatted - Hive - [issue]    Author: Jesus Camacho Rodriguez , 2019-05-13, 22:07
[HIVE-21710] Minor compaction writes delete records in unbucketed tables multiple times when we have multiple files <bucket_N> - Hive - [issue]
...For a given delete delta directory in an unbucketed table, OrcRawRecordMerger returns the records in all files bucketN. However, minor compaction is triggered per bucket, leading to writing ...    Author: Jesus Camacho Rodriguez , 2019-05-09, 00:53
Consuming delta from Hive tables - Hive - [mail # user]
...Hi Bhargav,We solve a similar problem for incremental maintenancefor materialized views.row__id.writeid can be used for that scenario indeed. You just need to knowthe current snapshot of the...
   Author: Jesus Camacho Rodriguez , 2019-05-06, 18:06
[expand - 1 more] - ClassCastException RelOptCostImpl VolcanoCost while using HepPlanner - Calcite - [mail # dev] . Since we are talking about materialized views, I think in most casestableRel should be simply a LogicalTableScan.Stamatis is correct about this, I had not realized  tableRel == que...
   Author: Jesus Camacho Rodriguez , 2019-05-03, 16:35