Util Class Reference

Utility functions. More...

#include <EasyQtSql_Util.h>

Static Public Member Functions
template<typename Func >
static int	each (QueryResult &res, Func &&f)
	Applies function (lambda) f to each row in res. More...
template<typename Func >
static int	range (QueryResult &res, int start, int count, Func &&f)
	Applies function (lambda) f to count rows starting from start index. More...
template<typename Func >
static int	top (QueryResult &res, int topCount, Func &&f)
	Applies function (lambda) f to topCount rows from res. More...
template<typename Func >
static int	first (QueryResult &res, Func &&f)
	Applies function (lambda) f to first result row. More...

Detailed Description

Utility functions.

t.first("SELECT 1", [](const QueryResult &row){
   qDebug() << row.scalar<bool>();
});

t.each("SELECT * FROM table1", [](const QueryResult &row){
   qDebug() << row.toMap();
});

PreparedQuery query = t.prepare("SELECT a, b, c, d FROM table1 WHERE a = ? AND b = ?");

Util::each(query.exec(1, 2), [](const QueryResult &row){
   qDebug() << row.toMap();
});

Member Function Documentation

each()

template<typename Func >

static int Util::each ( QueryResult &  res, Func &&  f  )

inlinestatic

Applies function (lambda) f to each row in res.

Parameters

res	QueryResult
f	Function

first()

template<typename Func >

static int Util::first ( QueryResult &  res, Func &&  f  )

inlinestatic

Applies function (lambda) f to first result row.

Parameters

res	QueryResult
f	Function

range()

template<typename Func >

static int Util::range ( QueryResult &  res, int  start, int  count, Func &&  f  )

inlinestatic

Applies function (lambda) f to count rows starting from start index.

Parameters

res	QueryResult
start	Index of start row
count	Rows count
f	Function

top()

template<typename Func >

static int Util::top ( QueryResult &  res, int  topCount, Func &&  f  )

inlinestatic

Applies function (lambda) f to topCount rows from res.

Parameters

res	QueryResult
topCount	Count of rows
count	Rows count
f	Function

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

• EasyQtSql/EasyQtSql_Util.h