audacity::sqlite::RunResult Class Reference

A class representing a result of a run operation. More...

#include <Statement.h>

Collaboration diagram for audacity::sqlite::RunResult:

Public Member Functions
	RunResult (const RunResult &)=delete
	RunResult (RunResult &&) noexcept
RunResult &	operator= (const RunResult &)=delete
RunResult &	operator= (RunResult &&) noexcept
	~RunResult ()
bool	IsOk () const noexcept
bool	HasRows () const noexcept
int	GetModifiedRowsCount () const noexcept
const std::vector< Error > &	GetErrors () const noexcept
RowIterator	begin () noexcept
RowIterator	end () noexcept

Private Member Functions
	RunResult (StatementHandlePtr statement, std::vector< Error > errors) noexcept

Private Attributes
StatementHandlePtr	mStatement
std::vector< Error >	mErrors {}
int	mModifiedRowsCount { 0 }
bool	mHasRows { false }

Friends
class	RunContext

Detailed Description

A class representing a result of a run operation.

Definition at line 98 of file Statement.h.

Constructor & Destructor Documentation

RunResult() [1/3]

audacity::sqlite::RunResult::RunResult ( StatementHandlePtr  statement, std::vector< Error >  errors  )

privatenoexcept

Definition at line 203 of file Statement.cpp.

    : mStatement { std::move(stmt) }
    , mErrors { std::move(errors) }
{
   // mStatement can't be nullptr here, by construction
   assert(mStatement != nullptr);
 
   const auto rc = sqlite3_step(*mStatement);
 
   mHasRows = rc == SQLITE_ROW;
 
   if (rc == SQLITE_DONE)
      mModifiedRowsCount = sqlite3_changes(sqlite3_db_handle(*mStatement));
 
   if (rc != SQLITE_DONE && !mHasRows)
      mErrors.emplace_back(Error(rc));
}

RunResult() [2/3]

audacity::sqlite::RunResult::RunResult ( const RunResult &  )

delete

RunResult() [3/3]

audacity::sqlite::RunResult::RunResult ( RunResult &&  rhs )

noexcept

Definition at line 221 of file Statement.cpp.

{
   *this = std::move(rhs);
}

~RunResult()

audacity::sqlite::RunResult::~RunResult

(

)

Definition at line 236 of file Statement.cpp.

{
   if (mStatement != nullptr)
      sqlite3_reset(*mStatement);
}

References mStatement.

Member Function Documentation

begin()

RowIterator audacity::sqlite::RunResult::begin ( )

noexcept

Definition at line 262 of file Statement.cpp.

{
   return mHasRows ? RowIterator { mStatement, mErrors } : RowIterator {};
}

References mErrors, mHasRows, and mStatement.

end()

RowIterator audacity::sqlite::RunResult::end ( )

noexcept

Definition at line 267 of file Statement.cpp.

{
   return RowIterator {};
}

GetErrors()

const std::vector< Error > & audacity::sqlite::RunResult::GetErrors ( ) const

noexcept

Definition at line 257 of file Statement.cpp.

{
   return mErrors;
}

References mErrors.

GetModifiedRowsCount()

int audacity::sqlite::RunResult::GetModifiedRowsCount ( ) const

noexcept

Definition at line 252 of file Statement.cpp.

{
   return mModifiedRowsCount;
}

References mModifiedRowsCount.

HasRows()

bool audacity::sqlite::RunResult::HasRows ( ) const

noexcept

Definition at line 247 of file Statement.cpp.

{
   return mHasRows;
}

References mHasRows.

IsOk()

bool audacity::sqlite::RunResult::IsOk ( ) const

noexcept

Definition at line 242 of file Statement.cpp.

{
   return mErrors.empty();
}

References mErrors.

operator=() [1/2]

RunResult & audacity::sqlite::RunResult::operator= ( const RunResult &  )

delete

operator=() [2/2]

RunResult & audacity::sqlite::RunResult::operator= ( RunResult &&  rhs )

noexcept

Definition at line 226 of file Statement.cpp.

{
   std::swap(mStatement, rhs.mStatement);
   std::swap(mErrors, rhs.mErrors);
   std::swap(mHasRows, rhs.mHasRows);
   std::swap(mModifiedRowsCount, rhs.mModifiedRowsCount);
 
   return *this;
}

References anonymous_namespace{NoteTrack.cpp}::swap().

Here is the call graph for this function:

Friends And Related Function Documentation

RunContext

friend class RunContext

friend

Definition at line 100 of file Statement.h.

Member Data Documentation

mErrors

std::vector<Error> audacity::sqlite::RunResult::mErrors {}

private

Definition at line 123 of file Statement.h.

Referenced by begin(), GetErrors(), and IsOk().

mHasRows

bool audacity::sqlite::RunResult::mHasRows { false }

private

Definition at line 125 of file Statement.h.

Referenced by begin(), and HasRows().

mModifiedRowsCount

int audacity::sqlite::RunResult::mModifiedRowsCount { 0 }

private

Definition at line 124 of file Statement.h.

Referenced by GetModifiedRowsCount().

mStatement

StatementHandlePtr audacity::sqlite::RunResult::mStatement

private

Definition at line 122 of file Statement.h.

Referenced by begin(), and ~RunResult().

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The documentation for this class was generated from the following files:

• Statement.h
• Statement.cpp