generic-library/poco
1
0
Fork 0
mirror of https://github.com/pocoproject/poco.git synced 2025-10-17 19:25:53 +02:00
Code Issues Projects Releases Wiki Activity

[SF 2272430] BLOB and CLOB

Browse Source 
Renamed:
(Abstract)Preparation => (Abstract)Preparator
(Abstract)Prepare => (Abstract)Preparation
This commit is contained in:
Aleksandar Fabijanic
2008-11-24 00:38:23 +00:00
parent 161e49a6d4
commit a42e8d919b
75 changed files with 2616 additions and 2832 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
Data/SQLite/include/Poco/Data/SQLite/Binder.h
View File

@@ -42,11 +42,10 @@
#include "Poco/Data/SQLite/SQLite.h"
#include "Poco/Data/AbstractBinder.h"
#include "Poco/Data/LOB.h"
#include "Poco/Any.h"
#include "Poco/DynamicAny.h"
struct sqlite3_stmt;
#include "sqlite3.h"
namespace Poco {
@@ -114,6 +113,9 @@ public:
void bind(std::size_t pos, const Poco::Data::BLOB& val, Direction dir);
/// Binds a BLOB.
void bind(std::size_t pos, const Poco::Data::CLOB& val, Direction dir);
/// Binds a CLOB.
void bind(std::size_t pos, const Date& val, Direction dir);
/// Binds a Date.
@@ -131,6 +133,17 @@ private:
/// Checks the SQLite return code and throws an appropriate exception
/// if error has occurred.
template <typename T>
void bindLOB(std::size_t pos, const Poco::Data::LOB<T>& val, Direction dir)
{
// convert a blob to a an unsigned char* array
const T* pData = reinterpret_cast<const T*>(val.rawContent());
int valSize = static_cast<int>(val.size());
int rc = sqlite3_bind_blob(_pStmt, static_cast<int>(pos), pData, valSize, SQLITE_STATIC); // no deep copy, do not free memory
checkReturn(rc);
}
sqlite3_stmt* _pStmt;
};
@@ -208,6 +221,18 @@ inline void Binder::bind(std::size_t pos, const char* const &pVal, Direction dir
}
inline void Binder::bind(std::size_t pos, const Poco::Data::BLOB& val, Direction dir)
{
bindLOB<Poco::Data::BLOB::ValueType>(pos, val, dir);
}
inline void Binder::bind(std::size_t pos, const Poco::Data::CLOB& val, Direction dir)
{
bindLOB<Poco::Data::CLOB::ValueType>(pos, val, dir);
}
} } } // namespace Poco::Data::SQLite

29
Data/SQLite/include/Poco/Data/SQLite/Extractor.h
View File

@@ -48,13 +48,11 @@
#include "Poco/Data/Constants.h"
#include "Poco/Any.h"
#include "Poco/DynamicAny.h"
#include "sqlite3.h"
#include <vector>
#include <utility>
struct sqlite3_stmt;
namespace Poco {
namespace Data {
namespace SQLite {
@@ -121,6 +119,9 @@ public:
bool extract(std::size_t pos, Poco::Data::BLOB& val);
/// Extracts a BLOB.
bool extract(std::size_t pos, Poco::Data::CLOB& val);
/// Extracts a CLOB.
bool extract(std::size_t pos, Poco::Data::Date& val);
/// Extracts a Date.
@@ -285,6 +286,16 @@ private:
return ret;
}
template <typename T>
bool extractLOB(std::size_t pos, Poco::Data::LOB<T>& val)
{
if (isNull(pos)) return false;
int size = sqlite3_column_bytes(_pStmt, (int) pos);
const T* pTmp = reinterpret_cast<const T*>(sqlite3_column_blob(_pStmt, (int) pos));
val = Poco::Data::LOB<T>(pTmp, size);
return true;
}
sqlite3_stmt* _pStmt;
NullIndVec _nulls;
};
@@ -299,6 +310,18 @@ inline void Extractor::reset()
}
inline bool Extractor::extract(std::size_t pos, Poco::Data::BLOB& val)
{
return extractLOB<Poco::Data::BLOB::ValueType>(pos, val);
}
inline bool Extractor::extract(std::size_t pos, Poco::Data::CLOB& val)
{
return extractLOB<Poco::Data::CLOB::ValueType>(pos, val);
}
} } } // namespace Poco::Data::SQLite

13
Data/SQLite/src/Binder.cpp
View File

@@ -38,11 +38,9 @@
#include "Poco/Data/SQLite/Utility.h"
#include "Poco/Data/Date.h"
#include "Poco/Data/Time.h"
#include "Poco/Data/BLOB.h"
#include "Poco/Exception.h"
#include "Poco/DateTimeFormatter.h"
#include "Poco/DateTimeFormat.h"
#include "sqlite3.h"
#include <cstdlib>
@@ -104,17 +102,6 @@ void Binder::bind(std::size_t pos, const std::string& val, Direction dir)
}
void Binder::bind(std::size_t pos, const Poco::Data::BLOB& val, Direction dir)
{
// convert a blob to a an unsigned char* array
const unsigned char* pData = reinterpret_cast<const unsigned char*>(val.rawContent());
int valSize = static_cast<int>(val.size());
int rc = sqlite3_bind_blob(_pStmt, static_cast<int>(pos), pData, valSize, SQLITE_STATIC); // no deep copy, do not free memory
checkReturn(rc);
}
void Binder::bind(std::size_t pos, const Date& val, Direction dir)
{
DateTime dt(val.year(), val.month(), val.day());

14
Data/SQLite/src/Extractor.cpp
View File

@@ -38,11 +38,10 @@
#include "Poco/Data/SQLite/Utility.h"
#include "Poco/Data/Date.h"
#include "Poco/Data/Time.h"
#include "Poco/Data/BLOB.h"
#include "Poco/Data/LOB.h"
#include "Poco/Data/DataException.h"
#include "Poco/DateTimeParser.h"
#include "Poco/Exception.h"
#include "sqlite3.h"
#include <cstdlib>
@@ -116,17 +115,6 @@ bool Extractor::extract(std::size_t pos, std::string& val)
}
bool Extractor::extract(std::size_t pos, Poco::Data::BLOB& val)
{
if (isNull(pos))
return false;
int size = sqlite3_column_bytes(_pStmt, (int) pos);
const char* pTmp = reinterpret_cast<const char*>(sqlite3_column_blob(_pStmt, (int) pos));
val = Poco::Data::BLOB(pTmp, size);
return true;
}
bool Extractor::extract(std::size_t pos, Poco::Int8& val)
{
if (isNull(pos))

14
Data/SQLite/testsuite/src/SQLiteTest.cpp
View File

@@ -35,7 +35,7 @@
#include "CppUnit/TestSuite.h"
#include "Poco/Data/Date.h"
#include "Poco/Data/Time.h"
#include "Poco/Data/BLOB.h"
#include "Poco/Data/LOB.h"
#include "Poco/Data/Statement.h"
#include "Poco/Data/RecordSet.h"
#include "Poco/Data/SQLChannel.h"
@@ -65,7 +65,7 @@ using Poco::Data::Column;
using Poco::Data::Row;
using Poco::Data::SQLChannel;
using Poco::Data::LimitException;
using Poco::Data::BLOB;
using Poco::Data::CLOB;
using Poco::Data::Date;
using Poco::Data::Time;
using Poco::Data::AbstractExtractionVec;
@@ -143,7 +143,7 @@ public:
pBinder->bind(pos++, obj.age, dir);
}
static void prepare(std::size_t pos, Person& obj, AbstractPreparation* pPrepare)
static void prepare(std::size_t pos, Person& obj, AbstractPreparator* pPrepare)
{
// the table is defined as Person (LastName VARCHAR(30), FirstName VARCHAR, Address VARCHAR, Age INTEGER(3))
poco_assert_dbg (pPrepare != 0);
@@ -1215,7 +1215,7 @@ void SQLiteTest::testEmptyDB()
}
void SQLiteTest::testBLOB()
void SQLiteTest::testCLOB()
{
std::string lastName("lastname");
std::string firstName("firstname");
@@ -1223,12 +1223,12 @@ void SQLiteTest::testBLOB()
Session tmp (Poco::Data::SQLite::Connector::KEY, "dummy.db");
tmp << "DROP TABLE IF EXISTS Person", now;
tmp << "CREATE TABLE IF NOT EXISTS Person (LastName VARCHAR(30), FirstName VARCHAR, Address VARCHAR, Image BLOB)", now;
BLOB img("0123456789", 10);
CLOB img("0123456789", 10);
int count = 0;
tmp << "INSERT INTO PERSON VALUES(:ln, :fn, :ad, :img)", use(lastName), use(firstName), use(address), use(img), now;
tmp << "SELECT COUNT(*) FROM PERSON", into(count), now;
assert (count == 1);
BLOB res;
CLOB res;
poco_assert (res.size() == 0);
tmp << "SELECT Image FROM Person WHERE LastName == :ln", bind("lastname"), into(res), now;
@@ -2369,7 +2369,7 @@ CppUnit::Test* SQLiteTest::suite()
CppUnit_addTest(pSuite, SQLiteTest, testIllegalRange);
CppUnit_addTest(pSuite, SQLiteTest, testSingleSelect);
CppUnit_addTest(pSuite, SQLiteTest, testEmptyDB);
CppUnit_addTest(pSuite, SQLiteTest, testBLOB);
CppUnit_addTest(pSuite, SQLiteTest, testCLOB);
CppUnit_addTest(pSuite, SQLiteTest, testTuple10);
CppUnit_addTest(pSuite, SQLiteTest, testTupleVector10);
CppUnit_addTest(pSuite, SQLiteTest, testTuple9);

2
Data/SQLite/testsuite/src/SQLiteTest.h
View File

@@ -87,7 +87,7 @@ public:
void testSingleSelect();
void testEmptyDB();
void testBLOB();
void testCLOB();
void testTuple1();
void testTupleVector1();