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MCOL-423 Fixes to I_S tables

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Fixes the following:

* Compression ratio calculation was incorrect
* Possible issues due to system catalog thread ID usage
* Compressed file size data count was leaking many FDs when the table
  wasn't compressed
* Compressed file size data count was allocating random large amounts
  of RAM and then leaking it when the table wasn't compressed
This commit is contained in:
Andrew Hutchings
2016-11-29 10:45:38 +00:00
parent 08ae2dac1a
commit f586f3b46a
5 changed files with 39 additions and 5 deletions
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2
dbcon/mysql/is_columnstore_columns.cpp
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@ -60,7 +60,7 @@ static int is_columnstore_columns_fill(THD *thd, TABLE_LIST *tables, COND *cond)
TABLE *table = tables->table;
boost::shared_ptr<execplan::CalpontSystemCatalog> systemCatalogPtr =
execplan::CalpontSystemCatalog::makeCalpontSystemCatalog(0);
execplan::CalpontSystemCatalog::makeCalpontSystemCatalog(execplan::CalpontSystemCatalog::idb_tid2sid(thd->thread_id));
const std::vector< std::pair<execplan::CalpontSystemCatalog::OID, execplan::CalpontSystemCatalog::TableName> > catalog_tables
= systemCatalogPtr->getTables();