| 1 |
// Truck Computer Dooom! |
| 2 |
// |
| 3 |
// Douglas Thrift |
| 4 |
// |
| 5 |
// $Id$ |
| 6 |
|
| 7 |
#include "sqlite3.hpp" |
| 8 |
|
| 9 |
namespace SQLite3 |
| 10 |
{ |
| 11 |
|
| 12 |
Connection::Connection(const std::string &db) |
| 13 |
{ |
| 14 |
CheckError(::sqlite3_open(db.c_str(), &connection), connection); |
| 15 |
} |
| 16 |
|
| 17 |
Connection::~Connection() |
| 18 |
{ |
| 19 |
CheckError(::sqlite3_close(connection), connection); |
| 20 |
} |
| 21 |
|
| 22 |
Statement Connection::Prepare(const std::string &statement) const |
| 23 |
{ |
| 24 |
return Statement(connection, statement); |
| 25 |
} |
| 26 |
|
| 27 |
Statement::Statement(::sqlite3 *connection, const std::string &statement) : connection(connection) |
| 28 |
{ |
| 29 |
CheckError(::sqlite3_prepare_v2(connection, statement.data(), statement.size(), &this->statement, NULL), connection); |
| 30 |
} |
| 31 |
|
| 32 |
Statement::~Statement() |
| 33 |
{ |
| 34 |
::sqlite3_finalize(statement); |
| 35 |
} |
| 36 |
|
| 37 |
void Statement::Bind(int index, double value) const |
| 38 |
{ |
| 39 |
CheckError(::sqlite3_bind_double(statement, ++index, value), connection); |
| 40 |
} |
| 41 |
|
| 42 |
void Statement::Bind(int index, int value) const |
| 43 |
{ |
| 44 |
CheckError(::sqlite3_bind_int(statement, ++index, value), connection); |
| 45 |
} |
| 46 |
|
| 47 |
void Statement::Bind(int index, int64_t value) const |
| 48 |
{ |
| 49 |
CheckError(::sqlite3_bind_int64(statement, ++index, value), connection); |
| 50 |
} |
| 51 |
|
| 52 |
void Statement::Bind(int index, const Null &value) const |
| 53 |
{ |
| 54 |
CheckError(::sqlite3_bind_null(statement, ++index), connection); |
| 55 |
} |
| 56 |
|
| 57 |
void Statement::Bind(int index, const std::string &value) const |
| 58 |
{ |
| 59 |
CheckError(::sqlite3_bind_text(statement, ++index, value.data(), value.size(), SQLITE_TRANSIENT), connection); |
| 60 |
} |
| 61 |
|
| 62 |
Results Statement::Execute() const |
| 63 |
{ |
| 64 |
return Results(connection, statement); |
| 65 |
} |
| 66 |
|
| 67 |
void Statement::Clear() const |
| 68 |
{ |
| 69 |
CheckError(::sqlite3_clear_bindings(statement), connection); |
| 70 |
} |
| 71 |
|
| 72 |
Results::Results(::sqlite3 *connection, ::sqlite3_stmt *statement) : connection(connection), statement(statement), next(Begin) |
| 73 |
{ |
| 74 |
if (MoveNext()) |
| 75 |
next = True; |
| 76 |
else |
| 77 |
next = False; |
| 78 |
} |
| 79 |
|
| 80 |
bool Results::MoveNext() |
| 81 |
{ |
| 82 |
if (next == Begin || next == Ignore) |
| 83 |
{ |
| 84 |
int code(::sqlite3_step(statement)); |
| 85 |
|
| 86 |
if (code == SQLITE_ROW) |
| 87 |
return true; |
| 88 |
else if (code == SQLITE_DONE) |
| 89 |
{ |
| 90 |
CheckError(::sqlite3_reset(statement), connection); |
| 91 |
|
| 92 |
return false; |
| 93 |
} |
| 94 |
|
| 95 |
CheckError(code, connection); |
| 96 |
|
| 97 |
return false; |
| 98 |
} |
| 99 |
else |
| 100 |
{ |
| 101 |
bool next_(next); |
| 102 |
|
| 103 |
next = Ignore; |
| 104 |
|
| 105 |
return next_; |
| 106 |
} |
| 107 |
} |
| 108 |
|
| 109 |
template <> |
| 110 |
double Results::Get(int index) |
| 111 |
{ |
| 112 |
return ::sqlite3_column_double(statement, index); |
| 113 |
} |
| 114 |
|
| 115 |
template <> |
| 116 |
int Results::Get(int index) |
| 117 |
{ |
| 118 |
return ::sqlite3_column_int(statement, index); |
| 119 |
} |
| 120 |
|
| 121 |
template <> |
| 122 |
int64_t Results::Get(int index) |
| 123 |
{ |
| 124 |
return ::sqlite3_column_int64(statement, index); |
| 125 |
} |
| 126 |
|
| 127 |
template <> |
| 128 |
std::string Results::Get(int index) |
| 129 |
{ |
| 130 |
return std::string(reinterpret_cast<const char *>(::sqlite3_column_text(statement, index)), ::sqlite3_column_bytes(statement, index)); |
| 131 |
} |
| 132 |
|
| 133 |
} |
