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Cursor *Cursor::clone(memory::Root *mem_root)
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Cursor *new_handler= getTable()->getMutableShare()->db_type()->getCursor(*getTable());
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Allocate Cursor->ref here because otherwise ha_open will allocate it
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on this->table->mem_root and we will not be able to reclaim that memory
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when the clone Cursor object is destroyed.
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new_handler->ref= mem_root->alloc(ALIGN_SIZE(ref_length)*2);
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identifier::Table identifier(getTable()->getShare()->getSchemaName(), getTable()->getShare()->getTableName(), getTable()->getShare()->getType());
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return new_handler->ha_open(identifier, getTable()->getDBStat(), HA_OPEN_IGNORE_IF_LOCKED) ? NULL : new_handler;
added
removed
drizzled/cursor.cc
