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example updated : the third row converted to float values, and renamed "weigth" instead of "size"
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TODO.txt
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TODO.txt
@ -1,6 +1,6 @@
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C++11 explicit support
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Add a Changelog
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=> V0.5.0
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C++11 explicit support
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Update Doxygen Documentation, but remove it from the master branch
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Update Doxygen Documentation, but remove it from the master branch
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Publish the Doxygen Documentation in the Github Pages (gh-pages branch)
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Publish the Doxygen Documentation in the Github Pages (gh-pages branch)
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BIN
example.db3
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example.db3
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@ -26,20 +26,20 @@ public:
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// Constructor
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// Constructor
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Example(void) :
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Example(void) :
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mDb("example.db3"), // Open a database file in readonly mode
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mDb("example.db3"), // Open a database file in readonly mode
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mQuery(mDb, "SELECT * FROM test WHERE size > :min_size")// Compile a SQL query, containing one parameter (index 1)
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mQuery(mDb, "SELECT * FROM test WHERE weight > :min_weight")// Compile a SQL query, containing one parameter (index 1)
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{
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{
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}
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}
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virtual ~Example(void)
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virtual ~Example(void)
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{
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{
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}
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}
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/// List the rows where the "size" column is greater than the provided aParamValue
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/// List the rows where the "weight" column is greater than the provided aParamValue
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void ListGreaterThan (const int aParamValue)
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void ListGreaterThan (const int aParamValue)
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{
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{
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std::cout << "ListGreaterThan (" << aParamValue << ")\n";
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std::cout << "ListGreaterThan (" << aParamValue << ")\n";
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// Bind the integer value provided to the first parameter of the SQL query
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// Bind the integer value provided to the first parameter of the SQL query
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mQuery.bind(":min_size", aParamValue); // same as mQuery.bind(1, aParamValue);
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mQuery.bind(":min_weight", aParamValue); // same as mQuery.bind(1, aParamValue);
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// Loop to execute the query step by step, to get one a row of results at a time
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// Loop to execute the query step by step, to get one a row of results at a time
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while (mQuery.executeStep())
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while (mQuery.executeStep())
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@ -75,10 +75,11 @@ int main (void)
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std::cout << "execAndGet=" << value.c_str() << std::endl;
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std::cout << "execAndGet=" << value.c_str() << std::endl;
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// Compile a SQL query, containing one parameter (index 1)
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// Compile a SQL query, containing one parameter (index 1)
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SQLite::Statement query(db, "SELECT * FROM test WHERE size > ?");
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SQLite::Statement query(db, "SELECT * FROM test WHERE weight > ?");
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std::cout << "SQLite statement '" << query.getQuery().c_str() << "' compiled (" << query.getColumnCount () << " columns in the result)\n";
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std::cout << "SQLite statement '" << query.getQuery().c_str() << "' compiled (" << query.getColumnCount () << " columns in the result)\n";
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// Bind the integer value 1 to the first parameter of the SQL query
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// Bind the integer value 2 to the first parameter of the SQL query
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query.bind(1, 1);
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query.bind(1, 2);
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std::cout << "binded with integer value 2 :\n";
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// Loop to execute the query step by step, to get one a row of results at a time
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// Loop to execute the query step by step, to get one a row of results at a time
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while (query.executeStep())
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while (query.executeStep())
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@ -88,9 +89,9 @@ int main (void)
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//const char* pvalue = query.getColumn(1); // = query.getColumn(1).getText()
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//const char* pvalue = query.getColumn(1); // = query.getColumn(1).getText()
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std::string value2 = query.getColumn(1); // = query.getColumn(1).getText()
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std::string value2 = query.getColumn(1); // = query.getColumn(1).getText()
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int bytes = query.getColumn(1).getBytes();
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int bytes = query.getColumn(1).getBytes();
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int size = query.getColumn(2); // = query.getColumn(2).getInt()
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double weight = query.getColumn(2); // = query.getColumn(2).getInt()
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std::cout << "row : (" << id << ", " << value2.c_str() << ", " << bytes << ", " << size << ")\n";
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std::cout << "row : (" << id << ", \"" << value2.c_str() << "\" " << bytes << "B, " << weight << ")\n";
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}
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}
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// Reset the query to use it again
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// Reset the query to use it again
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@ -98,6 +99,7 @@ int main (void)
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std::cout << "SQLite statement '" << query.getQuery().c_str() << "' reseted (" << query.getColumnCount () << " columns in the result)\n";
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std::cout << "SQLite statement '" << query.getQuery().c_str() << "' reseted (" << query.getColumnCount () << " columns in the result)\n";
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// Bind the string value "6" to the first parameter of the SQL query
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// Bind the string value "6" to the first parameter of the SQL query
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query.bind(1, "6");
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query.bind(1, "6");
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std::cout << "binded with string value \"6\" :\n";
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while (query.executeStep())
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while (query.executeStep())
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{
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{
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