Class that gives access to SQLite prepared statements (struct sqlite3_stmt) More...

#include <HFSQtLi.h>

Public Member Functions
template<typename T >
int	readColumn (bool strict, int i, T &&value)

int	readColumn (bool strict, int i, qint8 &value)

int	readColumn (bool strict, int i, quint8 &value)

int	readColumn (bool strict, int i, qint16 &value)

int	readColumn (bool strict, int i, quint16 &value)

int	readColumn (bool strict, int i, qint32 &value)

int	readColumn (bool strict, int i, quint32 &value)

int	readColumn (bool strict, int i, qint64 &value)

int	readColumn (bool strict, int i, quint64 &value)

int	readColumn (bool strict, int i, double &value)

int	readColumn (bool strict, int i, float &value)

int	readColumn (bool strict, int i, QString &value)

int	readColumn (bool strict, int i, Blob &value)

int	readColumn (bool strict, int i, QByteArray &value)

int	readColumn (bool, int i, Value &result)

template<class T >
int	readColumn (bool strict, int i, std::optional< T > &result)

template<class ... T>
int	readColumn (bool strict, int i, Call< T... > &call)

template<class ... T>
int	readColumn (bool strict, int i, Call< T... > &&call)

template<class ... T>
int	readColumn (bool strict, int i, const Call< T... > &call)

template<unsigned I>
constexpr int	readColumn (bool, int, const Helper::UnusedColumns< I > &)

template<unsigned I>
constexpr int	readColumn (bool, int, Helper::UnusedColumns< I > &)

template<unsigned I>
constexpr int	readColumn (bool, int, Helper::UnusedColumns< I > &&)

template<class ... Args>
int	readColumn (bool strict, int i, const std::tuple< Args... > &values)

template<class ... Args>
int	readColumn (bool strict, int i, std::tuple< Args... > &values)

template<class ... Args>
int	readColumn (bool strict, int i, std::tuple< Args... > &&values)

template<class ... Args, int ... Index>
int	readColumnHelper (bool strict, int i, std::tuple< Args... > &&values, Helper::int_sequence< Index... > seq)

template<class ... Args, int ... Index>
int	readColumnHelper (bool strict, int i, const std::tuple< Args... > &values, Helper::int_sequence< Index... >)

template<class ... Args, int ... Index>
int	readColumnHelper (bool strict, int i, std::tuple< Args... > &values, Helper::int_sequence< Index... > seq)

int	readColumnInternal (int i, Blob &value, bool strict)

int	clearBindingInternal ()

template<typename T >
bool	bindTemporary (int i, const T &v)

template<typename T , typename... Args>
bool	bindTemporary (int i, const T &v, const Args &...args)

void	resetInternalError ()

void	setInternalError (int code, const char *explicitMessag=nullptr)

Constructors
	Query (Db db, const char query, bool persistent=false, bool storeErrorMsg=false, const char **tail=nullptr)
	Construct a query prepared from a string. More...

	Query (Db db, const QString &query, bool persistent=false, bool storeErrorMsg=false, QString tail=nullptr)
	Construct a query from a QString. More...

	Query (Db *db=nullptr, bool storeErrorMsg=true)
	Construct a non prepared query. More...

	Query (const Query &)=delete

General functions
bool	prepare (const QString &query, bool persistent=true, QString *tail=nullptr)
	Prepares a query. More...

bool	prepare (const char query, bool persistent=true, const char *tail=nullptr)
	Prepares a query. More...

bool	stepNoFetch ()
	Move to next row in a query but do not fetch any data. More...

bool	reset ()
	Resets the query. More...

bool	clearBindings ()
	Clear the bounded values of a query. More...

bool	finalize ()
	Finalizes a query. Query will have to be prepared again before being able to execute it again. More...

int	error (QString *errorMsg=nullptr)
	Returns the SQLite error code of last function. More...

bool	isOk ()
	Checks if last function call was sucessfull. More...

bool	isDone ()
	Checks if last function call was the last step of a query. More...

QString	errorMsg () const
	Gets the error message string. More...

bool	isPrepared ()
	Check if the query contains a valid prepared statement. More...

bool	isDbValid ()
	Check if the query is associated with a valid and open database. More...

void	setKeepErrorMsg (bool newKeepErrorMsg)
	Changes the mode of retrival of error string. If keep error message is true the exact error string returned by sqlite is fetches, otherwise the error message returned will be a generic one depending on the error code. More...

bool	keepErrorMsg () const
	Gets the keep error message status. More...

Step-and-fetch functions
All the function in this group advances the query to the next row and if this operation is successfull fetches some or all of its data. They are approximately equivalent to calling: stepNoFetch() && columnXXX(args...); HFSQtLi::Query::stepNoFetch bool stepNoFetch() Move to next row in a query but do not fetch any data. Definition: HFSQtLi.cpp:221
template<typename... Args>
int	stepPartial (int index, Args &&... args)
	Performs a step on a query and fetches data after the step. More...

template<typename... Args>
int	step (Args &&... args)
	Performs a step on a query and fetches all the data. More...

template<typename... Args>
int	stepGeneric (bool strict, int index, Args &&... args)
	Performs a step on a query and fetches data after the step with optional enabling of type checking (strict mode) More...

template<typename... Args>
int	stepAllGeneric (bool strict, Args &&... args)
	Performs a step on a query and fetches all the data after the step with optional enabling of type checking (strict mode) More...

Single row query execution
The following function allows easy operation on any query that returns one and only one row. They perform in one operation binding of parameters, a step on first row, fetching the data of the row and a second step to check the query effetively returned only one row. For example: int x; qry.executeSingle<1>(4, x); Is more or less equivalent to: qry.bind(4) && qry.step() && qry.columnAll(x) && "qry.step() returns SQLITE3_DONE" Note All the function in this group will return an error if the query returns no row or more than one row
template<typename... Args>
int	executeSinglePartial (int index, Args &&... args)
	Execute a query returning just one row and fetches some of the returned data. More...

template<typename... Args>
int	executeSingle (Args &&... args)
	Execute a query returning just one row and fetches all of the returned data. More...

template<int I, typename... Args>
int	executeSinglePartial (int indexBind, int indexFetch, Args &&... args)
	Execute a query returning just one row and fetches some of the returned data. More...

template<int I, typename... Args>
int	executeSingle (Args &&... args)
	Execute a query returning just one row and fetches all of the returned data. More...

template<typename... Args>
int	executeSinglePartialStrict (int index, Args &&... args)
	Execute a query returning just one row and fetches some of the returned data checking data types. More...

template<typename... Args>
int	executeSingleStrict (Args &&... args)
	Execute a query returning just one row and fetches all of the returned data checking data types. More...

template<int I, typename... Args>
int	executeSinglePartialStrict (int indexBind, int indexFetch, Args &&... args)
	Execute a query returning just one row and fetches some of the returned data checking data types. More...

template<int I, typename... Args>
int	executeSingleStrict (Args &&... args)
	Execute a query returning just one row and fetches all of the returned data checking data types. More...

template<int I, typename... Args>
int	executeSingleGeneric (bool strict, int indexBind, int indexFetch, Args &&... args)
	Execute a query returning just one row and fetches some of the returned data. More...

template<int I, typename... Args>
int	executeSingleAllGeneric (bool strict, Args &&... args)
	Execute a query returning just one row and fetches all of the returned data. More...

Commands query execution
The following function allows easy operation on any query that returns no row (e.g. CREATE TABLE or DELETE) They perform in one operation binding of parameters, and a step to run a query, checking that effectively the query returns no rows For example: qry.execute(4); Is more or less equivalent to: qry.bind(4) && "qry.step() returns SQLITE3_DONE" Note All the function in this group will return an error if the query returns any row.
template<typename... Args>
int	executeCommand (Args &&... args)
	Executes a query returning no rows. More...

Functions to bind data
The functions here can be used to bind arguments while the query is in a reset state. For arguments see Bounded data types .
template<typename... Args>
int	bind (int i, Args &&...args)
	Binds some values in a query. More...

template<typename... Args>
int	bindAll (Args &&...args)
	Binds all values of a query. More...

template<typename... Args>
int	bindTemporary (int i, Args &&...args)
	Binds some values in a query. The existence of passed values must be guaranteed to persist until the binding is cleared (Query is destroyed or clearBindings() is called) More...

template<typename... Args>
int	bindTemporaryAll (Args &&...args)
	Binds all values. The existence of passed values must be guaranteed to persist until the binding is cleared (Query is destroyed or clearBindings() is called) More...

Functions to fetch data
The functions here can be used to retrived data while a query is currently pointing to a row. For a description of types accepted see Fetched data types .
template<typename... Args>
int	column (int i, Args &&...args)
	Retrieves some columns from a row. More...

template<typename... Args>
int	columnStrict (int i, Args &&...args)
	Retrieves some columns from a row, returning error if types do not match. More...

template<typename... Args>
int	columnAll (Args &&...args)
	Retrieves all columns from a row. If the number of retrived columns does not match the columns returned by the query the function returns an error. More...

template<typename... Args>
int	columnStrictAll (Args &&...args)
	Retrieves all columns from a row, returning error if types do not match. More...

Public Attributes
Db *	m_db

sqlite3_stmt *	m_stmt

int	m_error

QString	m_errorMsg

bool	m_keepErrorMsg

Protected Member Functions
template<typename... Args>
int	bindSingleWithChecks (bool temporary, int i, const std::tuple< Args... > &args)

bool	fetchErrorString ()

void	forceFetchErrorString ()

int	assertBindColumnCount (int i)

template<typename T >
int	bindSingle (bool, int i, T &&value)

int	bindSingle (bool, int i, std::nullptr_t)

int	bindSingle (bool temporary, int i, QByteArray &&value)

int	bindSingle (bool temporary, int i, QByteArray &value)

int	bindSingle (bool, int i, const QByteArray &value)

int	bindSingle (bool temporary, int i, Null &&)

int	bindSingle (bool temporary, int i, const Null &)

int	bindSingle (bool temporary, int i, Null &)

int	bindSingle (bool temporary, int i, ZeroBlob &&value)

int	bindSingle (bool temporary, int i, ZeroBlob &value)

int	bindSingle (bool, int i, const ZeroBlob &zeroBlob)

int	bindSingle (bool, int i, qint64 value)

int	bindSingle (bool, int i, double value)

int	bindSingle (bool, int i, const char *value, int len=-1)

int	bindSingle (bool temporary, int i, int value)

int	bindSingle (bool temporary, int i, unsigned value)

int	bindSingle (bool temporary, int i, const QString &value)

template<class ... T>
int	bindSingle (bool temporary, int i, const std::tuple< T... > &value)

template<class ... T>
int	bindSingle (bool temporary, int i, std::tuple< T... > &&value)

template<class ... T, int ... I>
int	bindSingleHelper (bool temporary, int i, const std::tuple< T... > &value, Helper::int_sequence< I... >)

Type	columnType (int i)

int	assertFetchColumnCount (int i)

template<typename... Args>
int	columnHelper (bool strict, int i, Args &&...args)

template<typename... Args>
int	columnAllHelper (bool strict, Args &&...args)

qint64	readColumnIntSQLite (int i, bool &ok)

double	readColumnDoubleSQLite (int i, bool &ok)

template<class T >
int	readColumnInt (bool strict, int i, T &value)

Friends
class	SqliteDb

class	CustomBind

class	CustomFetch

Detailed Description

Class that gives access to SQLite prepared statements (struct sqlite3_stmt)

Constructor & Destructor Documentation

◆ Query() [1/3]

Query::Query	(	Db *	db,
		const char *	query,
		bool	persistent = `false`,
		bool	storeErrorMsg = `false`,
		const char **	tail = `nullptr`
	)

Construct a query prepared from a string.

Parameters

db	The database on which creating the query
query	Query to perform
persistent	See SQLite documentation
storeErrorMsg	If true the string with the error message will be stored.
tail	The part of the query that was not used

◆ Query() [2/3]

Query::Query	(	Db *	db,
		const QString &	query,
		bool	persistent = `false`,
		bool	storeErrorMsg = `false`,
		QString *	tail = `nullptr`
	)

Construct a query from a QString.

Parameters

db	The database on which creating the query
query	Query to perform
persistent	See SQLite documentation
storeErrorMsg	If true the string with the error message will be stored.
tail	The part of the query that was not used

◆ Query() [3/3]

Query::Query	(	Db *	db = `nullptr`,
		bool	storeErrorMsg = `true`
	)

Construct a non prepared query.

Parameters

db	The database on which creating the query
storeErrorMsg	If true the string with the error message will be stored.

Member Function Documentation

◆ bind()

template<typename... Args>

int HFSQtLi::Query::bind	(	int	i,
		Args &&...	args
	)

inline

Binds some values in a query.

Parameters

i	First index to bind (1-based)
args	Values to bind (see Bounded data types)

Returns: 0 on error, 1+number of bound columns on success

◆ bindAll()

template<typename... Args>

int HFSQtLi::Query::bindAll ( Args &&... args )

inline

Binds all values of a query.

Parameters

args	Values to bind (see Bounded data types)

Returns: 0 on error, 1+number of bound columns on success

◆ bindTemporary()

template<typename... Args>

int HFSQtLi::Query::bindTemporary	(	int	i,
		Args &&...	args
	)

inline

Binds some values in a query. The existence of passed values must be guaranteed to persist until the binding is cleared (Query is destroyed or clearBindings() is called)

Parameters

i	First index to bind (1-based)
args	Values to bind (see Bounded data types)

Returns: 0 on error, 1+number of bound columns on success

◆ bindTemporaryAll()

template<typename... Args>

int HFSQtLi::Query::bindTemporaryAll ( Args &&... args )

inline

Binds all values. The existence of passed values must be guaranteed to persist until the binding is cleared (Query is destroyed or clearBindings() is called)

Parameters

args	Values to bind (see Bounded data types)

Returns: 0 on error, 1+number of bound columns on success

◆ clearBindings()

bool Query::clearBindings ( )

Clear the bounded values of a query.

Returns: True on success

◆ column()

template<typename... Args>

int HFSQtLi::Query::column	(	int	i,
		Args &&...	args
	)

inline

Retrieves some columns from a row.

Parameters

i	Index of the first colum to fetch (0-based)
args	Reference to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

◆ columnAll()

template<typename... Args>

int HFSQtLi::Query::columnAll ( Args &&... args )

inline

Retrieves all columns from a row. If the number of retrived columns does not match the columns returned by the query the function returns an error.

Parameters

args	Reference to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

◆ columnStrict()

template<typename... Args>

int HFSQtLi::Query::columnStrict	(	int	i,
		Args &&...	args
	)

inline

Retrieves some columns from a row, returning error if types do not match.

Parameters

i	Index of the first colum to fetch (0-based)
args	Reference to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

◆ columnStrictAll()

template<typename... Args>

int HFSQtLi::Query::columnStrictAll ( Args &&... args )

inline

Retrieves all columns from a row, returning error if types do not match.

Parameters

args	Reference to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

◆ error()

int Query::error ( QString * errorMsg = nullptr )

Returns the SQLite error code of last function.

Parameters

errorMsg If non-null the string will be set with error message from last function

Returns: The error code of last function

◆ errorMsg()

QString Query::errorMsg ( ) const

Gets the error message string.

Returns: The error message string. It may be empty if last execution was successfull (e.g. SQLITE3_DONE or SQLITE3_OK)

◆ executeCommand()

template<typename... Args>

int HFSQtLi::Query::executeCommand ( Args &&... args )

inline

Executes a query returning no rows.

Parameters

args	Values to bind (see Bounded data types)

Returns: 0 on error, 1+number of bound values on error

Warning: Data is bound in temporary mode and resetBindings() is called before returning

◆ executeSingle() [1/2]

template<typename... Args>

int HFSQtLi::Query::executeSingle ( Args &&... args )

inline

Execute a query returning just one row and fetches all of the returned data.

Parameters

I	Number of parameters to bind
strict	True if the data of the types should be checked
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

Warning: Data is bound in temporary mode and resetBindings() is called before returning

◆ executeSingle() [2/2]

template<int I, typename... Args>

int HFSQtLi::Query::executeSingle ( Args &&... args )

inline

Execute a query returning just one row and fetches all of the returned data.

Parameters

I	Number of parameters to bind
strict	True if the data of the types should be checked
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

Warning: Data is bound in temporary mode and resetBindings() is called before returning

◆ executeSingleAllGeneric()

template<int I, typename... Args>

int HFSQtLi::Query::executeSingleAllGeneric	(	bool	strict,
		Args &&...	args
	)

Execute a query returning just one row and fetches all of the returned data.

Parameters

I	Number of parameters to bind
strict	True if the data of the types should be checked
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

Warning: Data is bound in temporary mode and resetBindings() is called before returning

◆ executeSingleGeneric()

template<int I, typename... Args>

int HFSQtLi::Query::executeSingleGeneric	(	bool	strict,
		int	indexBind,
		int	indexFetch,
		Args &&...	args
	)

Execute a query returning just one row and fetches some of the returned data.

Parameters

I	Number of parameters to bind
strict	True if the data of the types should be checked
indexBind	Index of data to bind (1-based)
indexFetch	Index of data to fetch (0-based)
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

◆ executeSinglePartial() [1/2]

template<typename... Args>

int HFSQtLi::Query::executeSinglePartial	(	int	index,
		Args &&...	args
	)

inline

Execute a query returning just one row and fetches some of the returned data.

Parameters

I	Number of parameters to bind
strict	True if the data of the types should be checked
indexBind	Index of data to bind (1-based)
indexFetch	Index of data to fetch (0-based)
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

Parameters

index Index of data to fetch (0-based)

◆ executeSinglePartial() [2/2]

template<int I, typename... Args>

int HFSQtLi::Query::executeSinglePartial	(	int	indexBind,
		int	indexFetch,
		Args &&...	args
	)

inline

Execute a query returning just one row and fetches some of the returned data.

Parameters

I	Number of parameters to bind
strict	True if the data of the types should be checked
indexBind	Index of data to bind (1-based)
indexFetch	Index of data to fetch (0-based)
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

◆ executeSinglePartialStrict() [1/2]

template<typename... Args>

int HFSQtLi::Query::executeSinglePartialStrict	(	int	index,
		Args &&...	args
	)

inline

Execute a query returning just one row and fetches some of the returned data checking data types.

Parameters

index	Index of data to fetch (0-based)
I	Number of parameters to bind
strict	True if the data of the types should be checked
indexBind	Index of data to bind (1-based)
indexFetch	Index of data to fetch (0-based)
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

◆ executeSinglePartialStrict() [2/2]

template<int I, typename... Args>

int HFSQtLi::Query::executeSinglePartialStrict	(	int	indexBind,
		int	indexFetch,
		Args &&...	args
	)

inline

Execute a query returning just one row and fetches some of the returned data checking data types.

Parameters

index	Index of data to fetch (0-based)
I	Number of parameters to bind
strict	True if the data of the types should be checked
indexBind	Index of data to bind (1-based)
indexFetch	Index of data to fetch (0-based)
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

◆ executeSingleStrict() [1/2]

template<typename... Args>

int HFSQtLi::Query::executeSingleStrict ( Args &&... args )

inline

Execute a query returning just one row and fetches all of the returned data checking data types.

Parameters

I	Number of parameters to bind
strict	True if the data of the types should be checked
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

Warning: Data is bound in temporary mode and resetBindings() is called before returning

◆ executeSingleStrict() [2/2]

template<int I, typename... Args>

int HFSQtLi::Query::executeSingleStrict ( Args &&... args )

inline

Execute a query returning just one row and fetches all of the returned data checking data types.

Parameters

I	Number of parameters to bind
strict	True if the data of the types should be checked
args	First I arguments are the values to bind (see Bounded data types), the ones after that are references to data to retrive (see Fetched data types)

Returns: 0 on error, 1+number of fetched columns on success

Warning: Data is bound in temporary mode and resetBindings() is called before returning

◆ finalize()

bool Query::finalize ( )

Finalizes a query. Query will have to be prepared again before being able to execute it again.

Returns: True on success.

◆ isDbValid()

bool HFSQtLi::Query::isDbValid ( )

inline

Check if the query is associated with a valid and open database.

Returns: True if the database associated to this query is valid and open

◆ isDone()

bool Query::isDone ( )

Checks if last function call was the last step of a query.

Returns: True if last function call returned SQLITE3_DONE.

◆ isOk()

bool Query::isOk ( )

Checks if last function call was sucessfull.

Returns: True if last function call was successfull.

◆ isPrepared()

bool HFSQtLi::Query::isPrepared ( )

inline

Check if the query contains a valid prepared statement.

Returns: True if the query is a valid prepared statement

◆ keepErrorMsg()

bool Query::keepErrorMsg ( ) const

Gets the keep error message status.

Returns: Value of error message status

◆ prepare() [1/2]

bool Query::prepare	(	const char *	query,
		bool	persistent = `true`,
		const char **	tail = `nullptr`
	)

Prepares a query.

Parameters

query	Query to be run
persistent	See SQLite documentation
tail	The part of the query that was not used

Returns: True on success

◆ prepare() [2/2]

bool Query::prepare	(	const QString &	query,
		bool	persistent = `true`,
		QString *	tail = `nullptr`
	)

Prepares a query.

Parameters

query	Query to be run
persistent	See SQLite documentation
tail	The part of the query that was not used

Returns: True on success

◆ reset()

bool Query::reset ( )

Resets the query.

Returns: True on success

◆ setKeepErrorMsg()

void Query::setKeepErrorMsg ( bool newKeepErrorMsg )

Changes the mode of retrival of error string. If keep error message is true the exact error string returned by sqlite is fetches, otherwise the error message returned will be a generic one depending on the error code.

Parameters

newKeepErrorMsg Value to set

◆ step()

template<typename... Args>

int HFSQtLi::Query::step ( Args &&... args )

inline

Performs a step on a query and fetches all the data.

Parameters

args	List of reference to variables that will be filled with columns data

Returns: Zero on error or 1+number of fetched columns on success

◆ stepAllGeneric()

template<typename... Args>

int HFSQtLi::Query::stepAllGeneric	(	bool	strict,
		Args &&...	args
	)

inline

Performs a step on a query and fetches all the data after the step with optional enabling of type checking (strict mode)

Parameters

strict	True if a strict fetch should be performed
args	List of reference to variables that will be filled with columns data

Returns: Zero on error or 1+number of fetched columns on success

◆ stepGeneric()

template<typename... Args>

int HFSQtLi::Query::stepGeneric	(	bool	strict,
		int	index,
		Args &&...	args
	)

inline

Performs a step on a query and fetches data after the step with optional enabling of type checking (strict mode)

Parameters

strict	True if a strict fetch should be performed
index	The index of the first column to retrive (0 is the first column)
args	List of reference to variables that will be filled with columns starting at index

Returns: Zero on error or 1+number of fetched columns on success

◆ stepNoFetch()

bool Query::stepNoFetch ( )

Move to next row in a query but do not fetch any data.

Returns: True on success

◆ stepPartial()

template<typename... Args>

int HFSQtLi::Query::stepPartial	(	int	index,
		Args &&...	args
	)

inline

Performs a step on a query and fetches data after the step.

Parameters

index	The index of the first column to retrive (0 is the first column)
args	List of reference to variables that will be filled with columns starting at index

Returns: Zero on error or 1+number of fetched columns on success

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

HFSQtLi/HFSQtLi.h
HFSQtLi/HFSQtLi.cpp

Public Member Functions

Public Attributes

Protected Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

◆ Query() [1/3]

◆ Query() [2/3]

◆ Query() [3/3]

Member Function Documentation

◆ bind()

◆ bindAll()

◆ bindTemporary()

◆ bindTemporaryAll()

◆ clearBindings()

◆ column()

◆ columnAll()

◆ columnStrict()

◆ columnStrictAll()

◆ error()

◆ errorMsg()

◆ executeCommand()

◆ executeSingle() [1/2]

◆ executeSingle() [2/2]

◆ executeSingleAllGeneric()

◆ executeSingleGeneric()

◆ executeSinglePartial() [1/2]

◆ executeSinglePartial() [2/2]

◆ executeSinglePartialStrict() [1/2]

◆ executeSinglePartialStrict() [2/2]

◆ executeSingleStrict() [1/2]

◆ executeSingleStrict() [2/2]

◆ finalize()

◆ isDbValid()

◆ isDone()

◆ isOk()

◆ isPrepared()

◆ keepErrorMsg()

◆ prepare() [1/2]

◆ prepare() [2/2]

◆ reset()

◆ setKeepErrorMsg()

◆ step()

◆ stepAllGeneric()

◆ stepGeneric()

◆ stepNoFetch()

◆ stepPartial()