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Refactor rewadwritesplit temporary table handling

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The temporary table detection and handling now uses C++ containers to
store the set of temporary tables. The detection also uses the new query
classifier field info API to detect which tables and databases are
targeted.
This commit is contained in:
Markus Mäkelä
2017-06-12 17:26:01 +03:00
parent 4c1dc9e624
commit cb7f257ea0
5 changed files with 78 additions and 209 deletions
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9
server/modules/routing/readwritesplit/readwritesplit.hh
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@ -20,6 +20,9 @@
#include <maxscale/cppdefs.hh>
#include <tr1/unordered_set>
#include <string>
#include <maxscale/dcb.h>
#include <maxscale/hashtable.h>
#include <maxscale/router.h>
@ -153,6 +156,8 @@ struct mysql_sescmd_t
skygw_chk_t my_sescmd_chk_tail;
};
typedef std::tr1::unordered_set<std::string> TableSet;
/**
* Property structure
*/
@ -163,10 +168,10 @@ struct rses_property_t
int rses_prop_refcount;
rses_property_type_t rses_prop_type;
union rses_prop_data
struct rses_prop_data // TODO: Remove the properties and integrate them into the session object
{
mysql_sescmd_t sescmd;
HASHTABLE* temp_tables;
TableSet temp_tables;
} rses_prop_data;
rses_property_t* rses_prop_next; /**< next property of same type */
skygw_chk_t rses_prop_chk_tail;