SWC::Common::Files::Schema Namespace Reference

Functions
std::string	filepath (cid_t cid)
void	remove (int &err, cid_t cid)
void	write (SWC::DynamicBuffer &dst_buf, const DB::Schema::Ptr &schema)
void	save (int &err, const DB::Schema::Ptr &schema, uint8_t replication=0)
void	load (int &err, const std::string &filepath, DB::Schema::Ptr &schema)
DB::Schema::Ptr	load (int &err, cid_t cid, uint8_t replication, bool recover=true)
void	save_with_validation (int &err, const DB::Schema::Ptr &schema_save, uint8_t replication)

Variables
const uint8_t	HEADER_SIZE = 13
const uint8_t	HEADER_OFFSET_CHKSUM = 9
const uint8_t	VERSION = 1
static const char	schema_file [] = "schema.data"

Function Documentation

filepath()

std::string SWC::Common::Files::Schema::filepath

(

cid_t

cid

)

Definition at line 34 of file Schema.h.

References SWC::DB::RangeBase::get_column_path(), and schema_file.

Referenced by SWC::Core::LogWriter::_renew_files(), SWC::Common::Files::RgrData::get_rgr(), load(), SWC::Comm::ConfigSSL::load_file(), SWC::Ranger::CommitLog::Fragment::make_read(), SWC::Ranger::CommitLog::Fragment::make_write(), SWC::client::SQL::parse_dump(), SWC::client::SQL::QuerySelect::parse_dump(), SWC::client::SQL::parse_load(), SWC::client::SQL::QueryUpdate::parse_load(), SWC::Common::Files::RgrData::read(), remove(), SWC::DB::Cells::TSV::FileWriter::roll_file(), save(), and SWC::Common::Files::RgrData::set_rgr().

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load() [1/2]

DB::Schema::Ptr SWC::Common::Files::Schema::load	(	int &	err,
		cid_t	cid,
		uint8_t	replication,
		bool	recover = true
	)

Definition at line 112 of file Schema.h.

References filepath(), SWC::DB::Types::SystemColumn::get_seq_type(), SWC::DB::Types::SystemColumn::is_master(), load(), SWC::LOG_WARN, SWC::DB::Schema::make(), SWC::Error::OK, save(), SWC::DB::Types::SERIAL, SWC::Error::SERVER_SHUTTING_DOWN, SWC_FMT_LU, SWC_LOG_CURRENT_EXCEPTION, SWC_LOG_OSTREAM, SWC_LOG_OUT, SWC_LOGF, SWC::DB::Types::SystemColumn::SYS_CID_DEFINE_LEXIC, SWC::DB::Types::SystemColumn::SYS_CID_END, SWC::DB::Types::SystemColumn::SYS_CID_STATS, SWC::DB::Types::SystemColumn::SYS_RGR_DATA, SWC::DB::Types::to_string(), and SWC::Core::to_string().

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load() [2/2]

void SWC::Common::Files::Schema::load	(	int &	err,
		const std::string &	filepath,
		DB::Schema::Ptr &	schema
	)

Definition at line 87 of file Schema.h.

References SWC::Core::Buffer< T >::base, SWC::Core::checksum_i32_chk(), SWC::Error::CHECKSUM_MISMATCH, SWC::Serialization::decode_i32(), SWC::Serialization::decode_i8(), filepath(), HEADER_OFFSET_CHKSUM, HEADER_SIZE, SWC::Env::FsInterface::interface(), and SWC::Core::Buffer< T >::size.

Referenced by SWC::Manager::MngdColumns::initialize(), SWC::Core::AtomicBase< State >::load(), load(), and save_with_validation().

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remove()

void SWC::Common::Files::Schema::remove	(	int &	err,
		cid_t	cid
	)

Definition at line 44 of file Schema.h.

References filepath(), and SWC::Env::FsInterface::interface().

Referenced by SWC::FS::FileSystem::remove().

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save()

void SWC::Common::Files::Schema::save	(	int &	err,
		const DB::Schema::Ptr &	schema,
		uint8_t	replication = 0
	)

Definition at line 70 of file Schema.h.

References filepath(), SWC::Env::FsInterface::interface(), SWC::FS::SmartFd::make_ptr(), SWC::FS::OPEN_FLAG_OVERWRITE, and write().

Referenced by SWC::Ranger::RangeData::load(), load(), and save_with_validation().

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save_with_validation()

void SWC::Common::Files::Schema::save_with_validation	(	int &	err,
		const DB::Schema::Ptr &	schema_save,
		uint8_t	replication
	)

Definition at line 174 of file Schema.h.

References SWC::Error::COLUMN_SCHEMA_BAD_SAVE, load(), SWC::Error::OK, and save().

Referenced by SWC::Manager::MngdColumns::create(), and SWC::Manager::MngdColumns::update().

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write()

void SWC::Common::Files::Schema::write	(	SWC::DynamicBuffer &	dst_buf,
		const DB::Schema::Ptr &	schema
	)

Definition at line 50 of file Schema.h.

References SWC::Core::Buffer< T >::base, SWC::Core::checksum_i32(), SWC::Serialization::encode_i32(), SWC::Serialization::encode_i8(), SWC::Core::BufferDyn< BufferT >::ensure(), HEADER_SIZE, SWC::Core::BufferDyn< BufferT >::ptr, and VERSION.

Referenced by SWC::Ranger::CommitLog::Compact::Group::run(), SWC::Ranger::RangeData::save(), save(), and SWC::FS::FileSystem::write().

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Variable Documentation

HEADER_OFFSET_CHKSUM

const uint8_t SWC::Common::Files::Schema::HEADER_OFFSET_CHKSUM = 9

Definition at line 24 of file Schema.h.

Referenced by load().

HEADER_SIZE

const uint8_t SWC::Common::Files::Schema::HEADER_SIZE = 13

Definition at line 23 of file Schema.h.

Referenced by load(), and write().

schema_file

const char SWC::Common::Files::Schema::schema_file[] = "schema.data"

static

Definition at line 26 of file Schema.h.

Referenced by filepath().

VERSION

const uint8_t SWC::Common::Files::Schema::VERSION = 1

Definition at line 25 of file Schema.h.

Referenced by SWC::Ranger::RangeData::write(), and write().