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ndb - wl#2972 part 1: merge events per event op, gci

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storage/ndb/include/ndbapi/NdbDictionary.hpp:
  wl#2972 part 1: merge events per event op, gci
storage/ndb/include/ndbapi/NdbEventOperation.hpp:
  wl#2972 part 1: merge events per event op, gci
storage/ndb/ndbapi-examples/ndbapi_event/Makefile:
  wl#2972 part 1: merge events per event op, gci
storage/ndb/ndbapi-examples/ndbapi_event/ndbapi_event.cpp:
  wl#2972 part 1: merge events per event op, gci
storage/ndb/src/ndbapi/NdbEventOperation.cpp:
  wl#2972 part 1: merge events per event op, gci
storage/ndb/src/ndbapi/NdbEventOperationImpl.cpp:
  wl#2972 part 1: merge events per event op, gci
storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp:
  wl#2972 part 1: merge events per event op, gci
storage/ndb/test/ndbapi/test_event.cpp:
  wl#2972 part 1: merge events per event op, gci
This commit is contained in:
unknown
2005-12-05 15:20:15 +01:00
parent bf0a3bfc6c
commit 08ea984e27
8 changed files with 590 additions and 141 deletions
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86
storage/ndb/ndbapi-examples/ndbapi_event/ndbapi_event.cpp
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@ -58,24 +58,29 @@
/**
*
* Assume that there is a table TAB0 which is being updated by
* Assume that there is a table t0 which is being updated by
* another process (e.g. flexBench -l 0 -stdtables).
* We want to monitor what happens with columns COL0, COL2, COL11
* We want to monitor what happens with columns c0,c1,c2,c3.
*
* or together with the mysql client;
*
* shell> mysql -u root
* mysql> create database TEST_DB;
* mysql> use TEST_DB;
* mysql> create table TAB0 (COL0 int primary key, COL1 int, COL11 int) engine=ndb;
* mysql> create table t0 (c0 int, c1 int, c2 char(4), c3 char(4),
* primary key(c0, c2)) engine ndb charset latin1;
*
* In another window start ndbapi_event, wait until properly started
*
insert into TAB0 values (1,2,3);
insert into TAB0 values (2,2,3);
insert into TAB0 values (3,2,9);
update TAB0 set COL1=10 where COL0=1;
delete from TAB0 where COL0=1;
insert into t0 values (1, 2, 'a', 'b');
insert into t0 values (3, 4, 'c', 'd');
update t0 set c3 = 'e' where c0 = 1 and c2 = 'a'; -- use pk
update t0 set c3 = 'f'; -- use scan
update t0 set c3 = 'F'; -- use scan update to 'same'
update t0 set c2 = 'g' where c0 = 1; -- update pk part
update t0 set c2 = 'G' where c0 = 1; -- update pk part to 'same'
update t0 set c0 = 5, c2 = 'H' where c0 = 3; -- update full PK
delete from t0;
*
* you should see the data popping up in the example window
*
@ -92,9 +97,10 @@ int myCreateEvent(Ndb* myNdb,
const char **eventColumnName,
const int noEventColumnName);
int main()
int main(int argc, char** argv)
{
ndb_init();
bool sep = argc > 1 && strcmp(argv[1], "-s") == 0;
Ndb_cluster_connection *cluster_connection=
new Ndb_cluster_connection(); // Object representing the cluster
@ -126,13 +132,15 @@ int main()
if (myNdb->init() == -1) APIERROR(myNdb->getNdbError());
const char *eventName= "CHNG_IN_TAB0";
const char *eventTableName= "TAB0";
const int noEventColumnName= 3;
const char *eventName= "CHNG_IN_t0";
const char *eventTableName= "t0";
const int noEventColumnName= 4;
const char *eventColumnName[noEventColumnName]=
{"COL0",
"COL1",
"COL11"};
{"c0",
"c1",
"c2",
"c3"
};
// Create events
myCreateEvent(myNdb,
@ -142,13 +150,14 @@ int main()
noEventColumnName);
int j= 0;
while (j < 5) {
while (j < 99) {
// Start "transaction" for handling events
NdbEventOperation* op;
printf("create EventOperation\n");
if ((op = myNdb->createEventOperation(eventName)) == NULL)
APIERROR(myNdb->getNdbError());
op->separateEvents(sep);
printf("get values\n");
NdbRecAttr* recAttr[noEventColumnName];
@ -175,34 +184,45 @@ int main()
i++;
switch (op->getEventType()) {
case NdbDictionary::Event::TE_INSERT:
printf("%u INSERT: ", i);
printf("%u INSERT", i);
break;
case NdbDictionary::Event::TE_DELETE:
printf("%u DELETE: ", i);
printf("%u DELETE", i);
break;
case NdbDictionary::Event::TE_UPDATE:
printf("%u UPDATE: ", i);
printf("%u UPDATE", i);
break;
default:
abort(); // should not happen
}
for (int i = 1; i < noEventColumnName; i++) {
printf(" gci=%d\n", op->getGCI());
printf("post: ");
for (int i = 0; i < noEventColumnName; i++) {
if (recAttr[i]->isNULL() >= 0) { // we have a value
printf(" post[%u]=", i);
if (recAttr[i]->isNULL() == 0) // we have a non-null value
printf("%u", recAttr[i]->u_32_value());
else // we have a null value
printf("NULL");
}
if (recAttr[i]->isNULL() == 0) { // we have a non-null value
if (i < 2)
printf("%-5u", recAttr[i]->u_32_value());
else
printf("%-5.4s", recAttr[i]->aRef());
} else // we have a null value
printf("%-5s", "NULL");
} else
printf("%-5s", "-");
}
printf("\npre : ");
for (int i = 0; i < noEventColumnName; i++) {
if (recAttrPre[i]->isNULL() >= 0) { // we have a value
printf(" pre[%u]=", i);
if (recAttrPre[i]->isNULL() == 0) // we have a non-null value
printf("%u", recAttrPre[i]->u_32_value());
else // we have a null value
printf("NULL");
}
if (recAttrPre[i]->isNULL() == 0) { // we have a non-null value
if (i < 2)
printf("%-5u", recAttrPre[i]->u_32_value());
else
printf("%-5.4s", recAttrPre[i]->aRef());
} else // we have a null value
printf("%-5s", "NULL");
} else
printf("%-5s", "-");
}
printf("\n");
printf("\n");
}
} else
;//printf("timed out\n");