39dbab4d36
When a table has partitions or inheritance children these are listed as subnodes. A subnode can appear multiple times under different parents as postgresql supports inheriting multiple tables. The sizes are still missing and maybe some things I have note verified yet are not correct.
32 lines
891 B
C++
32 lines
891 B
C++
#pragma once
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#include "Pgsql_oids.h"
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#include <map>
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#include <memory>
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class PgClass;
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class TableNode;
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class IFindParents;
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class TableTreeBuilder
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{
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public:
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TableTreeBuilder(const std::map<Oid, PgClass> &source, const IFindParents &inheritance);
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std::shared_ptr<TableNode> Build();
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private:
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const std::map<Oid, PgClass> &source;
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const IFindParents &inheritance;
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std::map<Oid, std::shared_ptr<TableNode>> processedNodes;
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std::shared_ptr<TableNode> rootNode;
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void resetState();
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bool hasParent(const PgClass &cls) const;
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std::shared_ptr<TableNode> addNode(const PgClass &cls);
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void addToplevelNode(std::shared_ptr<TableNode> node);
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void addToParents(std::shared_ptr<TableNode> node, const std::vector<Oid> &parents);
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std::shared_ptr<TableNode> getParent(Oid oid);
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void AssignNodeIndexesAndParents(std::shared_ptr<TableNode> parent);
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};
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