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MCOL-4757 Empty set in SELECT * INFORMATION_SCHEMA.COLUMNSTORE_TABLES WHERE TABLE_NAME='t1'

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This commit is contained in:
Alexander Barkov
2021-06-11 12:00:23 +04:00
parent 4ecd561878
commit d00ace2398
5 changed files with 177 additions and 134 deletions
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71
dbcon/mysql/is_columnstore_tables.cpp
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@ -43,62 +43,12 @@ ST_FIELD_INFO is_columnstore_tables_fields[] =
Show::CEnd()
};
static void get_cond_item(Item_func* item, String** table, String** db)
{
char tmp_char[MAX_FIELD_WIDTH];
Item_field* item_field = (Item_field*) item->arguments()[0]->real_item();
if (strcasecmp(item_field->field_name.str, "table_name") == 0)
{
String str_buf(tmp_char, sizeof(tmp_char), system_charset_info);
*table = item->arguments()[1]->val_str(&str_buf);
return;
}
else if (strcasecmp(item_field->field_name.str, "table_schema") == 0)
{
String str_buf(tmp_char, sizeof(tmp_char), system_charset_info);
*db = item->arguments()[1]->val_str(&str_buf);
return;
}
}
static void get_cond_items(COND* cond, String** table, String** db)
{
if (cond->type() == Item::FUNC_ITEM)
{
Item_func* fitem = (Item_func*) cond;
if (fitem->arguments()[0]->real_item()->type() == Item::FIELD_ITEM &&
fitem->arguments()[1]->const_item())
{
get_cond_item(fitem, table, db);
}
}
else if ((cond->type() == Item::COND_ITEM) && (((Item_cond*) cond)->functype() == Item_func::COND_AND_FUNC))
{
List_iterator<Item> li(*((Item_cond*) cond)->argument_list());
Item* item;
while ((item = li++))
{
if (item->type() == Item::FUNC_ITEM)
{
get_cond_item((Item_func*)item, table, db);
}
else
{
get_cond_items(item, table, db);
}
}
}
}
static int is_columnstore_tables_fill(THD* thd, TABLE_LIST* tables, COND* cond)
{
CHARSET_INFO* cs = system_charset_info;
TABLE* table = tables->table;
String* table_name = NULL;
String* db_name = NULL;
InformationSchemaCond isCond;
boost::shared_ptr<execplan::CalpontSystemCatalog> systemCatalogPtr =
execplan::CalpontSystemCatalog::makeCalpontSystemCatalog(execplan::CalpontSystemCatalog::idb_tid2sid(thd->thread_id));
@ -107,7 +57,7 @@ static int is_columnstore_tables_fill(THD* thd, TABLE_LIST* tables, COND* cond)
if (cond)
{
get_cond_items(cond, &table_name, &db_name);
isCond.getCondItems(cond);
}
const std::vector< std::pair<execplan::CalpontSystemCatalog::OID, execplan::CalpontSystemCatalog::TableName> > catalog_tables
@ -116,21 +66,8 @@ static int is_columnstore_tables_fill(THD* thd, TABLE_LIST* tables, COND* cond)
for (std::vector<std::pair<execplan::CalpontSystemCatalog::OID, execplan::CalpontSystemCatalog::TableName> >::const_iterator it = catalog_tables.begin();
it != catalog_tables.end(); ++it)
{
if (db_name)
{
if ((*it).second.schema.compare(db_name->ptr()) != 0)
{
continue;
}
}
if (table_name)
{
if ((*it).second.table.compare(table_name->ptr()) != 0)
{
continue;
}
}
if (!isCond.match((*it).second.schema, (*it).second.table))
continue;
try
{