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/** |
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* This file is part of the CernVM File System. |
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*/ |
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#ifndef CVMFS_REFLOG_SQL_H_ |
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#define CVMFS_REFLOG_SQL_H_ |
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#include <string> |
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#include "crypto/hash.h" |
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#include "sql.h" |
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class ReflogDatabase : public sqlite::Database<ReflogDatabase> { |
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public: |
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static const float kLatestSchema; |
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static const float kLatestSupportedSchema; |
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// backwards-compatible schema changes |
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static const unsigned kLatestSchemaRevision; |
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static const std::string kFqrnKey; |
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bool CreateEmptyDatabase(); |
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bool CheckSchemaCompatibility(); |
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bool LiveSchemaUpgradeIfNecessary(); |
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✗ |
bool CompactDatabase() const { return true; } // no implementation specific |
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// database compaction. |
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bool InsertInitialValues(const std::string &repo_name); |
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protected: |
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// TODO(rmeusel): C++11 - constructor inheritance |
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friend class sqlite::Database<ReflogDatabase>; |
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ReflogDatabase(const std::string &filename, |
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const OpenMode open_mode) : |
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sqlite::Database<ReflogDatabase>(filename, open_mode) {} |
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}; |
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//------------------------------------------------------------------------------ |
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class SqlReflog : public sqlite::Sql { |
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public: |
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enum ReferenceType { |
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kRefCatalog, |
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kRefCertificate, |
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kRefHistory, |
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kRefMetainfo |
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}; |
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static shash::Suffix ToSuffix(const ReferenceType type); |
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}; |
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class SqlInsertReference : public SqlReflog { |
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public: |
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explicit SqlInsertReference(const ReflogDatabase *database); |
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bool BindReference(const shash::Any &reference_hash, |
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const ReferenceType type); |
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}; |
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class SqlCountReferences : public SqlReflog { |
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public: |
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explicit SqlCountReferences(const ReflogDatabase *database); |
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uint64_t RetrieveCount(); |
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}; |
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class SqlListReferences : public SqlReflog { |
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public: |
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explicit SqlListReferences(const ReflogDatabase *database); |
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bool BindType(const ReferenceType type); |
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bool BindOlderThan(const uint64_t timestamp); |
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shash::Any RetrieveHash() const; |
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}; |
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class SqlRemoveReference : public SqlReflog { |
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public: |
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explicit SqlRemoveReference(const ReflogDatabase *database); |
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bool BindReference(const shash::Any &reference_hash, |
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const ReferenceType type); |
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}; |
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class SqlContainsReference : public SqlReflog { |
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public: |
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explicit SqlContainsReference(const ReflogDatabase *database); |
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bool BindReference(const shash::Any &reference_hash, |
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const ReferenceType type); |
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bool RetrieveAnswer(); |
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}; |
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class SqlGetTimestamp : public SqlReflog { |
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public: |
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explicit SqlGetTimestamp(const ReflogDatabase *database); |
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bool BindReference(const shash::Any &reference_hash, |
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const ReferenceType type); |
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uint64_t RetrieveTimestamp(); |
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}; |
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#endif // CVMFS_REFLOG_SQL_H_ |
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