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Fix for bug#3912 Auto increment not correctly initialised when table is altered, completes WL#1911 Extended AUTO_INCREMENT support in NDB

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unknown
2004-07-29 11:35:38 +02:00
parent cc8920c8ff
commit 66e46aeb56
3 changed files with 53 additions and 10 deletions
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6
ndb/include/ndbapi/Ndb.hpp
View File

@ -1415,11 +1415,11 @@ public:
* @return tuple id or 0 on error
*/
Uint64 getAutoIncrementValue(const char* aTableName, Uint32 cacheSize = 1);
bool setAutoIncrementValue(const char* aTableName, Uint64 val);
bool setAutoIncrementValue(const char* aTableName, Uint64 val, bool increase = false);
Uint64 getTupleIdFromNdb(const char* aTableName, Uint32 cacheSize = 1000 );
Uint64 getTupleIdFromNdb(Uint32 aTableId, Uint32 cacheSize = 1000 );
bool setTupleIdInNdb(const char* aTableName, Uint64 val);
bool setTupleIdInNdb(Uint32 aTableId, Uint64 val);
bool setTupleIdInNdb(const char* aTableName, Uint64 val, bool increase = false);
bool setTupleIdInNdb(Uint32 aTableId, Uint64 val, bool increase = false);
Uint64 opTupleIdOnNdb(Uint32 aTableId, Uint64 opValue, Uint32 op);
#endif

44
ndb/src/ndbapi/Ndb.cpp
View File

@ -759,29 +759,46 @@ Ndb::getTupleIdFromNdb(Uint32 aTableId, Uint32 cacheSize )
}
bool
Ndb::setAutoIncrementValue(const char* aTableName, Uint64 val)
Ndb::setAutoIncrementValue(const char* aTableName, Uint64 val, bool increase)
{
DEBUG_TRACE("setAutoIncrementValue " << val);
const NdbTableImpl* table = theDictionary->getTable(aTableName);
if (table == 0)
return false;
return setTupleIdInNdb(table->m_tableId, val);
return setTupleIdInNdb(table->m_tableId, val, increase);
}
bool
Ndb::setTupleIdInNdb(const char* aTableName, Uint64 val )
Ndb::setTupleIdInNdb(const char* aTableName, Uint64 val, bool increase )
{
DEBUG_TRACE("setTupleIdInNdb");
const NdbTableImpl* table = theDictionary->getTable(aTableName);
if (table == 0)
return false;
return setTupleIdInNdb(table->m_tableId, val);
return setTupleIdInNdb(table->m_tableId, val, increase);
}
bool
Ndb::setTupleIdInNdb(Uint32 aTableId, Uint64 val )
Ndb::setTupleIdInNdb(Uint32 aTableId, Uint64 val, bool increase )
{
DEBUG_TRACE("setTupleIdInNdb");
if (increase)
{
if (theFirstTupleId[aTableId] != theLastTupleId[aTableId])
{
// We have a cache sequence
if (val <= theFirstTupleId[aTableId]+1)
return true;
if (val <= theLastTupleId[aTableId])
{
theFirstTupleId[aTableId] = val - 1;
return true;
}
// else continue;
}
return (opTupleIdOnNdb(aTableId, val, 2) == val);
}
else
return (opTupleIdOnNdb(aTableId, val, 1) == val);
}
@ -845,6 +862,23 @@ Ndb::opTupleIdOnNdb(Uint32 aTableId, Uint64 opValue, Uint32 op)
tOperation->equal("SYSKEY_0", aTableId );
tOperation->setValue("NEXTID", opValue);
if (tConnection->execute( Commit ) == -1 )
goto error_handler;
theFirstTupleId[aTableId] = ~0;
theLastTupleId[aTableId] = ~0;
ret = opValue;
break;
case 2:
tOperation->interpretedUpdateTuple();
tOperation->equal("SYSKEY_0", aTableId );
tOperation->load_const_u64(1, opValue);
tOperation->read_attr("NEXTID", 2);
tOperation->branch_le(2, 1, 0);
tOperation->write_attr("NEXTID", 1);
tOperation->def_label(0);
tOperation->interpret_exit_ok();
if (tConnection->execute( Commit ) == -1 )
goto error_handler;

11
sql/ha_ndbcluster.cc
View File

@ -1281,6 +1281,7 @@ int ha_ndbcluster::define_read_attrs(byte* buf, NdbOperation* op)
int ha_ndbcluster::write_row(byte *record)
{
bool has_auto_increment;
uint i;
NdbConnection *trans= m_active_trans;
NdbOperation *op;
@ -1290,7 +1291,8 @@ int ha_ndbcluster::write_row(byte *record)
statistic_increment(ha_write_count,&LOCK_status);
if (table->timestamp_default_now)
update_timestamp(record+table->timestamp_default_now-1);
if (table->next_number_field && record == table->record[0])
has_auto_increment= (table->next_number_field && record == table->record[0]);
if (has_auto_increment)
update_auto_increment();
if (!(op= trans->getNdbOperation(m_tabname)))
@ -1344,6 +1346,13 @@ int ha_ndbcluster::write_row(byte *record)
if (trans->execute(NoCommit) != 0)
DBUG_RETURN(ndb_err(trans));
}
if ( (has_auto_increment) && (!auto_increment_column_changed) )
{
Uint64 next_val= (Uint64) table->next_number_field->val_int() + 1;
DBUG_PRINT("info", ("Setting next auto increment value to %u", next_val));
m_ndb->setAutoIncrementValue(m_tabname, next_val, true);
}
DBUG_RETURN(0);
}