database/mariadb-columnstore-engine
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This commit is contained in:
Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
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459
dbcon/mysql/is_columnstore_extents.cpp
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@ -34,292 +34,269 @@
// Required declaration as it isn't in a MairaDB include
bool schema_table_store_record(THD* thd, TABLE* table);
ST_FIELD_INFO is_columnstore_extents_fields[] =
{
Show::Column("OBJECT_ID", Show::ULong(0), NOT_NULL), // 0
Show::Column("OBJECT_TYPE", Show::Varchar(64), NOT_NULL), // 1
Show::Column("LOGICAL_BLOCK_START", Show::SLonglong(0), NOT_NULL), // 2
Show::Column("LOGICAL_BLOCK_END", Show::SLonglong(0), NOT_NULL), // 3
ST_FIELD_INFO is_columnstore_extents_fields[] = {
Show::Column("OBJECT_ID", Show::ULong(0), NOT_NULL), // 0
Show::Column("OBJECT_TYPE", Show::Varchar(64), NOT_NULL), // 1
Show::Column("LOGICAL_BLOCK_START", Show::SLonglong(0), NOT_NULL), // 2
Show::Column("LOGICAL_BLOCK_END", Show::SLonglong(0), NOT_NULL), // 3
// length=3800 here because sql/sql_i_s.h sets
// decimal_precision() as (length / 100) % 100). Not sure why.
Show::Column("MIN_VALUE", Show::Decimal(3800), NULLABLE), // 4
Show::Column("MAX_VALUE", Show::Decimal(3800), NULLABLE), // 5
Show::Column("WIDTH", Show::ULong(0), NOT_NULL), // 6
Show::Column("DBROOT", Show::ULong(0), NOT_NULL), // 7
Show::Column("PARTITION_ID", Show::ULong(0), NOT_NULL), // 8
Show::Column("SEGMENT_ID", Show::ULong(0), NOT_NULL), // 9
Show::Column("BLOCK_OFFSET", Show::ULong(0), NOT_NULL), // 10
Show::Column("MAX_BLOCKS", Show::ULong(0), NOT_NULL), // 11
Show::Column("HIGH_WATER_MARK", Show::ULong(0), NOT_NULL), // 12
Show::Column("STATE", Show::Varchar(64), NOT_NULL), // 13
Show::Column("STATUS", Show::Varchar(64), NOT_NULL), // 14
Show::Column("DATA_SIZE", Show::ULonglong(0), NOT_NULL), // 15
Show::CEnd()
};
Show::Column("MIN_VALUE", Show::Decimal(3800), NULLABLE), // 4
Show::Column("MAX_VALUE", Show::Decimal(3800), NULLABLE), // 5
Show::Column("WIDTH", Show::ULong(0), NOT_NULL), // 6
Show::Column("DBROOT", Show::ULong(0), NOT_NULL), // 7
Show::Column("PARTITION_ID", Show::ULong(0), NOT_NULL), // 8
Show::Column("SEGMENT_ID", Show::ULong(0), NOT_NULL), // 9
Show::Column("BLOCK_OFFSET", Show::ULong(0), NOT_NULL), // 10
Show::Column("MAX_BLOCKS", Show::ULong(0), NOT_NULL), // 11
Show::Column("HIGH_WATER_MARK", Show::ULong(0), NOT_NULL), // 12
Show::Column("STATE", Show::Varchar(64), NOT_NULL), // 13
Show::Column("STATUS", Show::Varchar(64), NOT_NULL), // 14
Show::Column("DATA_SIZE", Show::ULonglong(0), NOT_NULL), // 15
Show::CEnd()};
static int generate_result(BRM::OID_t oid, BRM::DBRM* emp, TABLE* table, THD* thd)
{
CHARSET_INFO* cs = system_charset_info;
std::vector<struct BRM::EMEntry> entries;
std::vector<struct BRM::EMEntry>::iterator iter;
std::vector<struct BRM::EMEntry>::iterator end;
CHARSET_INFO* cs = system_charset_info;
std::vector<struct BRM::EMEntry> entries;
std::vector<struct BRM::EMEntry>::iterator iter;
std::vector<struct BRM::EMEntry>::iterator end;
emp->getExtents(oid, entries, false, false, true);
emp->getExtents(oid, entries, false, false, true);
if (entries.size() == 0)
return 0;
if (entries.size() == 0)
return 0;
iter = entries.begin();
end = entries.end();
iter = entries.begin();
end = entries.end();
while (iter != end)
while (iter != end)
{
table->field[0]->store(oid);
if (iter->colWid > 0)
{
table->field[0]->store(oid);
table->field[1]->store("Column", strlen("Column"), cs);
if (iter->colWid > 0)
if (iter->colWid != datatypes::MAXDECIMALWIDTH)
{
if (iter->partition.cprange.loVal == std::numeric_limits<int64_t>::max() ||
iter->partition.cprange.loVal <= (std::numeric_limits<int64_t>::min() + 1))
{
table->field[1]->store("Column", strlen("Column"), cs);
if (iter->colWid != datatypes::MAXDECIMALWIDTH)
{
if (iter->partition.cprange.loVal == std::numeric_limits<int64_t>::max() ||
iter->partition.cprange.loVal <= (std::numeric_limits<int64_t>::min() + 1))
{
table->field[4]->set_null();
}
else
{
table->field[4]->set_notnull();
table->field[4]->store((longlong) iter->partition.cprange.loVal, false);
}
if (iter->partition.cprange.hiVal <= (std::numeric_limits<int64_t>::min() + 1))
{
table->field[5]->set_null();
}
else
{
table->field[5]->set_notnull();
table->field[5]->store((longlong) iter->partition.cprange.hiVal, false);
}
}
else
{
if (iter->partition.cprange.bigLoVal == utils::maxInt128 ||
iter->partition.cprange.bigLoVal <= (utils::minInt128 + 1))
{
table->field[4]->set_null();
}
else
{
table->field[4]->set_notnull();
std::string decAsAStr = datatypes::TSInt128(iter->partition.cprange.bigLoVal)
.toString();
table->field[4]->store(decAsAStr.c_str(),
decAsAStr.length(),
table->field[4]->charset());
}
if (iter->partition.cprange.bigHiVal <= (utils::minInt128 + 1))
{
table->field[5]->set_null();
}
else
{
table->field[5]->set_notnull();
std::string decAsAStr = datatypes::TSInt128(iter->partition.cprange.bigHiVal)
.toString();
table->field[5]->store(decAsAStr.c_str(),
decAsAStr.length(),
table->field[5]->charset());
}
}
table->field[6]->store(iter->colWid);
table->field[4]->set_null();
}
else
{
table->field[1]->store("Dictionary", strlen("Dictionary"), cs);
table->field[4]->set_null();
table->field[5]->set_null();
table->field[6]->store(8192);
table->field[4]->set_notnull();
table->field[4]->store((longlong)iter->partition.cprange.loVal, false);
}
table->field[2]->store(iter->range.start);
table->field[3]->store(iter->range.start + (iter->range.size * 1024) - 1);
table->field[7]->store(iter->dbRoot);
table->field[8]->store(iter->partitionNum);
table->field[9]->store(iter->segmentNum);
table->field[10]->store(iter->blockOffset);
table->field[11]->store(iter->range.size * 1024);
table->field[12]->store(iter->HWM);
switch (iter->partition.cprange.isValid)
if (iter->partition.cprange.hiVal <= (std::numeric_limits<int64_t>::min() + 1))
{
case 0:
table->field[13]->store("Invalid", strlen("Invalid"), cs);
break;
case 1:
table->field[13]->store("Updating", strlen("Updating"), cs);
break;
case 2:
table->field[13]->store("Valid", strlen("Valid"), cs);
break;
default:
table->field[13]->store("Unknown", strlen("Unknown"), cs);
break;
}
switch (iter->status)
{
case BRM::EXTENTAVAILABLE:
table->field[14]->store("Available", strlen("Available"), cs);
break;
case BRM::EXTENTUNAVAILABLE:
table->field[14]->store("Unavailable", strlen("Unavailable"), cs);
break;
case BRM::EXTENTOUTOFSERVICE:
table->field[14]->store("Out of service", strlen("Out of service"), cs);
break;
default:
table->field[14]->store("Unknown", strlen("Unknown"), cs);
}
// MCOL-1016: on multiple segments HWM is set to 0 on the lower
// segments, we don't want these to show as 8KB. The down side is
// if the column has less than 1 block it will show as 0 bytes.
// We have no lookahead without it getting messy so this is the
// best compromise.
if (iter->HWM == 0)
{
table->field[15]->store(0);
table->field[5]->set_null();
}
else
{
table->field[15]->store((iter->HWM + 1) * 8192);
table->field[5]->set_notnull();
table->field[5]->store((longlong)iter->partition.cprange.hiVal, false);
}
if (schema_table_store_record(thd, table))
}
else
{
if (iter->partition.cprange.bigLoVal == utils::maxInt128 ||
iter->partition.cprange.bigLoVal <= (utils::minInt128 + 1))
{
delete emp;
return 1;
table->field[4]->set_null();
}
else
{
table->field[4]->set_notnull();
std::string decAsAStr = datatypes::TSInt128(iter->partition.cprange.bigLoVal).toString();
table->field[4]->store(decAsAStr.c_str(), decAsAStr.length(), table->field[4]->charset());
}
iter++;
if (iter->partition.cprange.bigHiVal <= (utils::minInt128 + 1))
{
table->field[5]->set_null();
}
else
{
table->field[5]->set_notnull();
std::string decAsAStr = datatypes::TSInt128(iter->partition.cprange.bigHiVal).toString();
table->field[5]->store(decAsAStr.c_str(), decAsAStr.length(), table->field[5]->charset());
}
}
table->field[6]->store(iter->colWid);
}
else
{
table->field[1]->store("Dictionary", strlen("Dictionary"), cs);
table->field[4]->set_null();
table->field[5]->set_null();
table->field[6]->store(8192);
}
return 0;
table->field[2]->store(iter->range.start);
table->field[3]->store(iter->range.start + (iter->range.size * 1024) - 1);
table->field[7]->store(iter->dbRoot);
table->field[8]->store(iter->partitionNum);
table->field[9]->store(iter->segmentNum);
table->field[10]->store(iter->blockOffset);
table->field[11]->store(iter->range.size * 1024);
table->field[12]->store(iter->HWM);
switch (iter->partition.cprange.isValid)
{
case 0: table->field[13]->store("Invalid", strlen("Invalid"), cs); break;
case 1: table->field[13]->store("Updating", strlen("Updating"), cs); break;
case 2: table->field[13]->store("Valid", strlen("Valid"), cs); break;
default: table->field[13]->store("Unknown", strlen("Unknown"), cs); break;
}
switch (iter->status)
{
case BRM::EXTENTAVAILABLE: table->field[14]->store("Available", strlen("Available"), cs); break;
case BRM::EXTENTUNAVAILABLE: table->field[14]->store("Unavailable", strlen("Unavailable"), cs); break;
case BRM::EXTENTOUTOFSERVICE:
table->field[14]->store("Out of service", strlen("Out of service"), cs);
break;
default: table->field[14]->store("Unknown", strlen("Unknown"), cs);
}
// MCOL-1016: on multiple segments HWM is set to 0 on the lower
// segments, we don't want these to show as 8KB. The down side is
// if the column has less than 1 block it will show as 0 bytes.
// We have no lookahead without it getting messy so this is the
// best compromise.
if (iter->HWM == 0)
{
table->field[15]->store(0);
}
else
{
table->field[15]->store((iter->HWM + 1) * 8192);
}
if (schema_table_store_record(thd, table))
{
delete emp;
return 1;
}
iter++;
}
return 0;
}
static int is_columnstore_extents_fill(THD* thd, TABLE_LIST* tables, COND* cond)
{
BRM::OID_t cond_oid = 0;
TABLE* table = tables->table;
BRM::OID_t cond_oid = 0;
TABLE* table = tables->table;
BRM::DBRM::refreshShm();
BRM::DBRM* emp = new BRM::DBRM();
BRM::DBRM::refreshShm();
BRM::DBRM* emp = new BRM::DBRM();
if (!emp || !emp->isDBRMReady())
if (!emp || !emp->isDBRMReady())
{
return 1;
}
if (cond && cond->type() == Item::FUNC_ITEM)
{
Item_func* fitem = (Item_func*)cond;
if ((fitem->functype() == Item_func::EQ_FUNC) && (fitem->argument_count() == 2))
{
return 1;
if (fitem->arguments()[0]->real_item()->type() == Item::FIELD_ITEM &&
fitem->arguments()[1]->const_item())
{
// WHERE object_id = value
Item_field* item_field = (Item_field*)fitem->arguments()[0]->real_item();
if (strcasecmp(item_field->field_name.str, "object_id") == 0)
{
cond_oid = fitem->arguments()[1]->val_int();
return generate_result(cond_oid, emp, table, thd);
}
}
else if (fitem->arguments()[1]->real_item()->type() == Item::FIELD_ITEM &&
fitem->arguments()[0]->const_item())
{
// WHERE value = object_id
Item_field* item_field = (Item_field*)fitem->arguments()[1]->real_item();
if (strcasecmp(item_field->field_name.str, "object_id") == 0)
{
cond_oid = fitem->arguments()[0]->val_int();
return generate_result(cond_oid, emp, table, thd);
}
}
}
if (cond && cond->type() == Item::FUNC_ITEM)
else if (fitem->functype() == Item_func::IN_FUNC)
{
Item_func* fitem = (Item_func*) cond;
// WHERE object_id in (value1, value2)
Item_field* item_field = (Item_field*)fitem->arguments()[0]->real_item();
if ((fitem->functype() == Item_func::EQ_FUNC) && (fitem->argument_count() == 2))
if (strcasecmp(item_field->field_name.str, "object_id") == 0)
{
for (unsigned int i = 1; i < fitem->argument_count(); i++)
{
if (fitem->arguments()[0]->real_item()->type() == Item::FIELD_ITEM &&
fitem->arguments()[1]->const_item())
{
// WHERE object_id = value
Item_field* item_field = (Item_field*) fitem->arguments()[0]->real_item();
cond_oid = fitem->arguments()[i]->val_int();
int result = generate_result(cond_oid, emp, table, thd);
if (strcasecmp(item_field->field_name.str, "object_id") == 0)
{
cond_oid = fitem->arguments()[1]->val_int();
return generate_result(cond_oid, emp, table, thd);
}
}
else if (fitem->arguments()[1]->real_item()->type() == Item::FIELD_ITEM &&
fitem->arguments()[0]->const_item())
{
// WHERE value = object_id
Item_field* item_field = (Item_field*) fitem->arguments()[1]->real_item();
if (strcasecmp(item_field->field_name.str, "object_id") == 0)
{
cond_oid = fitem->arguments()[0]->val_int();
return generate_result(cond_oid, emp, table, thd);
}
}
}
else if (fitem->functype() == Item_func::IN_FUNC)
{
// WHERE object_id in (value1, value2)
Item_field* item_field = (Item_field*) fitem->arguments()[0]->real_item();
if (strcasecmp(item_field->field_name.str, "object_id") == 0)
{
for (unsigned int i = 1; i < fitem->argument_count(); i++)
{
cond_oid = fitem->arguments()[i]->val_int();
int result = generate_result(cond_oid, emp, table, thd);
if (result)
return 1;
}
}
}
else if (fitem->functype() == Item_func::UNKNOWN_FUNC &&
strcasecmp(fitem->func_name(), "find_in_set") == 0)
{
// WHERE FIND_IN_SET(object_id, values)
String* tmp_var = fitem->arguments()[1]->val_str();
std::stringstream ss(tmp_var->ptr());
while (ss >> cond_oid)
{
int ret = generate_result(cond_oid, emp, table, thd);
if (ret)
return 1;
if (ss.peek() == ',')
ss.ignore();
}
}
}
execplan::ObjectIDManager oidm;
BRM::OID_t MaxOID = oidm.size();
for (BRM::OID_t oid = 3000; oid <= MaxOID; oid++)
{
int result = generate_result(oid, emp, table, thd);
if (result)
if (result)
return 1;
}
}
}
else if (fitem->functype() == Item_func::UNKNOWN_FUNC &&
strcasecmp(fitem->func_name(), "find_in_set") == 0)
{
// WHERE FIND_IN_SET(object_id, values)
String* tmp_var = fitem->arguments()[1]->val_str();
std::stringstream ss(tmp_var->ptr());
delete emp;
return 0;
while (ss >> cond_oid)
{
int ret = generate_result(cond_oid, emp, table, thd);
if (ret)
return 1;
if (ss.peek() == ',')
ss.ignore();
}
}
}
execplan::ObjectIDManager oidm;
BRM::OID_t MaxOID = oidm.size();
for (BRM::OID_t oid = 3000; oid <= MaxOID; oid++)
{
int result = generate_result(oid, emp, table, thd);
if (result)
return 1;
}
delete emp;
return 0;
}
int is_columnstore_extents_plugin_init(void* p)
{
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*) p;
schema->fields_info = is_columnstore_extents_fields;
schema->fill_table = is_columnstore_extents_fill;
return 0;
ST_SCHEMA_TABLE* schema = (ST_SCHEMA_TABLE*)p;
schema->fields_info = is_columnstore_extents_fields;
schema->fill_table = is_columnstore_extents_fill;
return 0;
}