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https://github.com/cuberite/SQLiteCpp.git
synced 2025-08-04 09:46:02 -04:00
Added binding function, and a simple example with an integer value
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abc1f7bfa3
BIN
example.db3
BIN
example.db3
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@ -16,9 +16,9 @@ namespace SQLite
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{
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{
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// Open the provided database UTF-8 filename.
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// Open the provided database UTF-8 filename.
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Database::Database(const char* apFilename, const int aFlags /*= SQLITE_OPEN_READONLY*/) throw (SQLite::Exception) :
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Database::Database(const char* apFilename, const int aFlags /*= SQLITE_OPEN_READONLY*/) throw(SQLite::Exception) :
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mpSQLite(NULL),
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mpSQLite(NULL),
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mFilename (apFilename)
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mFilename(apFilename)
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{
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{
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int ret = sqlite3_open_v2(apFilename, &mpSQLite, aFlags, NULL);
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int ret = sqlite3_open_v2(apFilename, &mpSQLite, aFlags, NULL);
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if (SQLITE_OK != ret)
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if (SQLITE_OK != ret)
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@ -30,7 +30,7 @@ namespace SQLite
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}
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}
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// Close the SQLite database connection.
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// Close the SQLite database connection.
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Database::~Database(void) throw () // nothrow
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Database::~Database(void) throw() // nothrow
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{
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{
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// check for undestroyed statements
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// check for undestroyed statements
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std::vector<Statement*>::iterator iStatement;
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std::vector<Statement*>::iterator iStatement;
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@ -50,19 +50,19 @@ Database::~Database(void) throw () // nothrow
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}
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}
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// Register a Statement object (a SQLite query)
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// Register a Statement object (a SQLite query)
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void Database::registerStatement (Statement& aStatement) throw (SQLite::Exception)
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void Database::registerStatement(Statement& aStatement) throw(SQLite::Exception)
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{
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{
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mStatementList.push_back (&aStatement);
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mStatementList.push_back(&aStatement);
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}
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}
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// Unregister a Statement object
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// Unregister a Statement object
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void Database::unregisterStatement (Statement& aStatement) throw (SQLite::Exception)
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void Database::unregisterStatement(Statement& aStatement) throw(SQLite::Exception)
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{
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{
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std::vector<Statement*>::iterator iStatement;
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std::vector<Statement*>::iterator iStatement;
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iStatement = std::find (mStatementList.begin(), mStatementList.end(), &aStatement);
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iStatement = std::find(mStatementList.begin(), mStatementList.end(), &aStatement);
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if (mStatementList.end() != iStatement)
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if (mStatementList.end() != iStatement)
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{
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{
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mStatementList.erase (iStatement);
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mStatementList.erase(iStatement);
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}
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}
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}
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}
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@ -45,7 +45,7 @@ public:
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* @param[in] apFilename UTF-8 path/uri to the database file ("filename" sqlite3 parameter)
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* @param[in] apFilename UTF-8 path/uri to the database file ("filename" sqlite3 parameter)
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* @param[in] aFlags SQLITE_OPEN_READONLY/SQLITE_OPEN_READWRITE/SQLITE_OPEN_CREATE...
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* @param[in] aFlags SQLITE_OPEN_READONLY/SQLITE_OPEN_READWRITE/SQLITE_OPEN_CREATE...
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*/
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*/
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explicit Database(const char* apFilename, const int aFlags = SQLITE_OPEN_READONLY) throw (SQLite::Exception);
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explicit Database(const char* apFilename, const int aFlags = SQLITE_OPEN_READONLY) throw(SQLite::Exception);
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/**
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/**
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* @brief Close the SQLite database connection.
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* @brief Close the SQLite database connection.
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@ -53,17 +53,17 @@ public:
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* All SQLite statements must have been finalized before,
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* All SQLite statements must have been finalized before,
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* so all Statement objects must have been unregistered.
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* so all Statement objects must have been unregistered.
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*/
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*/
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virtual ~Database(void) throw (); // nothrow
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virtual ~Database(void) throw(); // nothrow
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/**
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/**
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* @brief Register a Statement object (a SQLite query)
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* @brief Register a Statement object (a SQLite query)
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*/
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*/
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void registerStatement (Statement& aStatement) throw (SQLite::Exception);
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void registerStatement(Statement& aStatement) throw(SQLite::Exception);
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/**
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/**
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* @brief Unregister a Statement object
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* @brief Unregister a Statement object
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*/
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*/
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void unregisterStatement (Statement& aStatement) throw (SQLite::Exception);
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void unregisterStatement(Statement& aStatement) throw(SQLite::Exception);
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/**
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/**
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* @brief Filename used to open the database
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* @brief Filename used to open the database
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@ -16,7 +16,7 @@ namespace SQLite
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{
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{
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// Compile and register the SQL query for the provided SQLite Database Connection
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// Compile and register the SQL query for the provided SQLite Database Connection
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Statement::Statement(Database &aDatabase, const char* apQuery) throw (SQLite::Exception) :
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Statement::Statement(Database &aDatabase, const char* apQuery) throw(SQLite::Exception) :
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mpStmt(NULL),
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mpStmt(NULL),
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mDatabase(aDatabase),
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mDatabase(aDatabase),
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mQuery(apQuery),
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mQuery(apQuery),
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@ -31,7 +31,7 @@ Statement::Statement(Database &aDatabase, const char* apQuery) throw (SQLite::Ex
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}
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}
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// Finalize and unregister the SQL query from the SQLite Database Connection.
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// Finalize and unregister the SQL query from the SQLite Database Connection.
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Statement::~Statement(void) throw () // nothrow
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Statement::~Statement(void) throw() // nothrow
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{
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{
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int ret = sqlite3_finalize(mpStmt);
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int ret = sqlite3_finalize(mpStmt);
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if (SQLITE_OK != ret)
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if (SQLITE_OK != ret)
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@ -43,7 +43,7 @@ Statement::~Statement(void) throw () // nothrow
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}
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}
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// Reset the statement to make it ready for a new execution
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// Reset the statement to make it ready for a new execution
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void Statement::reset (void) throw (SQLite::Exception)
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void Statement::reset(void) throw(SQLite::Exception)
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{
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{
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mbDone = false;
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mbDone = false;
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int ret = sqlite3_reset(mpStmt);
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int ret = sqlite3_reset(mpStmt);
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@ -53,8 +53,69 @@ void Statement::reset (void) throw (SQLite::Exception)
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}
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}
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}
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}
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// Bind an int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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void Statement::bind(const int aIndex, const int& aValue) throw(SQLite::Exception)
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{
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int ret = sqlite3_bind_int(mpStmt, aIndex, aValue);
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if (SQLITE_OK != ret)
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{
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throw SQLite::Exception(sqlite3_errmsg(mDatabase.mpSQLite));
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}
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}
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// Bind a 64bits int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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void Statement::bind(const int aIndex, const sqlite3_int64& aValue) throw(SQLite::Exception)
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{
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int ret = sqlite3_bind_int64(mpStmt, aIndex, aValue);
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if (SQLITE_OK != ret)
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{
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throw SQLite::Exception(sqlite3_errmsg(mDatabase.mpSQLite));
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}
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}
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// Bind a double (64bits float) value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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void Statement::bind(const int aIndex, const double& aValue) throw(SQLite::Exception)
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{
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int ret = sqlite3_bind_double(mpStmt, aIndex, aValue);
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if (SQLITE_OK != ret)
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{
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throw SQLite::Exception(sqlite3_errmsg(mDatabase.mpSQLite));
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}
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}
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// Bind a string value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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void Statement::bind(const int aIndex, const std::string& aValue) throw(SQLite::Exception)
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{
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int ret = sqlite3_bind_text(mpStmt, aIndex, aValue.c_str(), aValue.size(), SQLITE_TRANSIENT);
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if (SQLITE_OK != ret)
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{
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throw SQLite::Exception(sqlite3_errmsg(mDatabase.mpSQLite));
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}
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}
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// Bind a text value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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void Statement::bind(const int aIndex, const char* apValue) throw(SQLite::Exception)
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{
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int ret = sqlite3_bind_text(mpStmt, aIndex, apValue, -1, SQLITE_TRANSIENT);
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if (SQLITE_OK != ret)
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{
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throw SQLite::Exception(sqlite3_errmsg(mDatabase.mpSQLite));
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}
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}
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// Bind a NULL value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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void Statement::bind(const int aIndex) throw(SQLite::Exception)
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{
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int ret = sqlite3_bind_null(mpStmt, aIndex);
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if (SQLITE_OK != ret)
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{
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throw SQLite::Exception(sqlite3_errmsg(mDatabase.mpSQLite));
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}
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}
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// Execute a step of the query to fetch one row of results
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// Execute a step of the query to fetch one row of results
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bool Statement::executeStep (void) throw (SQLite::Exception)
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bool Statement::executeStep(void) throw(SQLite::Exception)
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{
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{
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bool bOk = false;
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bool bOk = false;
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@ -67,7 +128,7 @@ bool Statement::executeStep (void) throw (SQLite::Exception)
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}
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}
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else if (SQLITE_DONE == ret)
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else if (SQLITE_DONE == ret)
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{
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{
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bOk = true;
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bOk = false;
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mbDone = true;
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mbDone = true;
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}
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}
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else
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else
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@ -32,24 +32,47 @@ public:
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*
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*
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* Exception is thrown in case of error, then the Statement object is NOT constructed.
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* Exception is thrown in case of error, then the Statement object is NOT constructed.
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*/
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*/
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explicit Statement(Database &aDatabase, const char* apQuery) throw (SQLite::Exception);
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explicit Statement(Database &aDatabase, const char* apQuery) throw(SQLite::Exception);
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/**
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/**
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* @brief Finalize and unregister the SQL query from the SQLite Database Connection.
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* @brief Finalize and unregister the SQL query from the SQLite Database Connection.
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*/
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*/
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virtual ~Statement(void) throw (); // nothrow
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virtual ~Statement(void) throw(); // nothrow
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/**
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/**
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* @brief Reset the statement to make it ready for a new execution.
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* @brief Reset the statement to make it ready for a new execution.
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*/
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*/
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void reset (void) throw (SQLite::Exception);
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void reset(void) throw(SQLite::Exception);
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// TODO bind
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/**
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* @brief Bind an int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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*/
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void bind(const int aIndex, const int& aValue) throw(SQLite::Exception);
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/**
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* @brief Bind a 64bits int value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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*/
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void bind(const int aIndex, const sqlite3_int64& aValue) throw(SQLite::Exception);
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/**
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* @brief Bind a double (64bits float) value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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*/
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void bind(const int aIndex, const double& aValue) throw(SQLite::Exception);
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/**
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* @brief Bind a string value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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*/
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void bind(const int aIndex, const std::string& aValue) throw(SQLite::Exception);
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/**
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* @brief Bind a text value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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*/
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void bind(const int aIndex, const char* apValue) throw(SQLite::Exception);
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/**
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* @brief Bind a NULL value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement
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*/
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void bind(const int aIndex) throw(SQLite::Exception); // bind NULL value
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/**
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/**
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* @brief Execute a step of the query to fetch one row of results.
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* @brief Execute a step of the query to fetch one row of results.
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*/
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*/
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bool executeStep (void) throw (SQLite::Exception);
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bool executeStep(void) throw(SQLite::Exception);
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/**
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/**
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* @brief UTF-8 SQL Query.
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* @brief UTF-8 SQL Query.
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@ -3,25 +3,26 @@
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int main (void)
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int main (void)
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{
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{
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std::cout << "Hello SQLite.hpp\n";
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try
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try
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{
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{
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// Open a database file
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SQLite::Database db("example.db3");
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SQLite::Database db("example.db3");
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std::cout << db.getFilename().c_str() << " onpened\n";
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std::cout << "SQLite database file '" << db.getFilename().c_str() << "' opened successfully\n";
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SQLite::Statement stmt(db, "SELECT * FROM test");
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// Compile a SQL query, containing one parameter (index 1)
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std::cout << "statement created\n";
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SQLite::Statement query(db, "SELECT * FROM test WHERE size>?");
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// Bind an integer value "6" to the first parameter of the SQL query
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query.bind(1, 6);
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while (stmt.executeStep())
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while (query.executeStep())
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{
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{
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std::cout << "executeStep\n";
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std::cout << "executeStep\n";
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}
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}
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}
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}
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catch (std::exception& e)
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catch (std::exception& e)
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{
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{
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std::cout << "SQLite exception: " << e.what() << std::endl;
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std::cout << "SQLite exception: " << e.what() << std::endl;
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}
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}
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std::cout << "Bye SQLite.hpp\n";
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return 0;
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return 0;
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}
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}
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