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Implemented purging of STACK_* tables

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This commit is contained in:
Patrick Linstruth 2018-05-30 13:59:12 -07:00
parent adc747d35e
commit 0120221326
3 changed files with 58 additions and 0 deletions
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3
ChangeLog
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@ -16965,3 +16965,6 @@
the STACK". the STACK".
2018-05-30 Fred Gleason <fredg@paravelsystems.com> 2018-05-30 Fred Gleason <fredg@paravelsystems.com>
* Implemented '%v/%V' metadata wildcards for event length (seconds). * Implemented '%v/%V' metadata wildcards for event length (seconds).
2018-05-30 Patrick Linstruth <patrick@deltecent.com>
* Implemented purging of STACK_* tables for RDMaint(1) in
'utils/rdmaint/rdmaint.cpp' and 'utils/rdmaint/rdmaint.h'.

54
utils/rdmaint/rdmaint.cpp
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@ -127,6 +127,7 @@ void MainObject::RunSystemMaintenance()
PurgeElr(); PurgeElr();
PurgeGpioEvents(); PurgeGpioEvents();
PurgeWebapiAuths(); PurgeWebapiAuths();
PurgeStacks();
RehashCuts(); RehashCuts();
} }
@ -286,6 +287,59 @@ void MainObject::PurgeWebapiAuths()
} }
void MainObject::PurgeStacks()
{
QString sql;
RDSqlQuery *q;
RDSqlQuery *q1;
RDSqlQuery *q2;
int stackid;
int stacksize;
int artistsep=50000;
int titlesep=50000;
sql="select MAX(ARTISTSEP) from CLOCKS";
q=new RDSqlQuery(sql);
if(q->next()) {
artistsep=q->value(0).toInt();
}
delete q;
sql="select MAX(TITLE_SEP) from EVENTS";
q=new RDSqlQuery(sql);
if(q->next()) {
titlesep=q->value(0).toInt();
}
delete q;
stacksize=(artistsep<titlesep)?titlesep:artistsep;
sql="select NAME from SERVICES";
q=new RDSqlQuery(sql);
while(q->next()) {
QString tablename=q->value(0).toString()+"_STACK";
tablename.replace(" ","_");
sql=QString().sprintf("SELECT MAX(SCHED_STACK_ID) from %s",(const char*)tablename);
q1=new RDSqlQuery(sql);
if (q1->next())
{
stackid=q1->value(0).toUInt();
if (stackid-stacksize > 0) {
sql=QString().sprintf("DELETE from `%s` where SCHED_STACK_ID <= %d", (const char*)tablename, stackid-stacksize);
q2=new RDSqlQuery(sql);
delete q2;
sql=QString().sprintf("UPDATE `%s` SET SCHED_STACK_ID=SCHED_STACK_ID-%d", (const char*)tablename, stacksize-1);
q2=new RDSqlQuery(sql);
delete q2;
}
}
delete q1;
}
delete q;
}
void MainObject::RehashCuts() void MainObject::RehashCuts()
{ {
QString sql; QString sql;

1
utils/rdmaint/rdmaint.h
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@ -39,6 +39,7 @@ class MainObject : public QObject
void PurgeDropboxes(); void PurgeDropboxes();
void PurgeGpioEvents(); void PurgeGpioEvents();
void PurgeWebapiAuths(); void PurgeWebapiAuths();
void PurgeStacks();
void RehashCuts(); void RehashCuts();
bool maint_verbose; bool maint_verbose;
bool maint_system; bool maint_system;