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Improve type conversion in the MySQL module.

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Implement field wrappers and field retrieval by name.
Various other fixes and adjustments.
This commit is contained in:
Sandu Liviu Catalin
2016-07-19 21:42:41 +03:00
parent cac237c3cb
commit 7dc20fcc0c
9 changed files with 1054 additions and 194 deletions
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65
modules/mysql/Convert.cpp
View File

@@ -326,7 +326,7 @@ static inline T ConvertToUInt(CSStr value, Ulong length, enum_field_types type,
// ------------------------------------------------------------------------------------------------
Int8 DbConvTo< Int8 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
{
return ConvertToUInt< Int8 >(value, length, type, tn);
return ConvertToSInt< Int8 >(value, length, type, tn);
}
// ------------------------------------------------------------------------------------------------
@@ -338,7 +338,7 @@ Uint8 DbConvTo< Uint8 >::From(CSStr value, Ulong length, enum_field_types type,
// ------------------------------------------------------------------------------------------------
Int16 DbConvTo< Int16 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
{
return ConvertToUInt< Int16 >(value, length, type, tn);
return ConvertToSInt< Int16 >(value, length, type, tn);
}
// ------------------------------------------------------------------------------------------------
@@ -350,7 +350,7 @@ Uint16 DbConvTo< Uint16 >::From(CSStr value, Ulong length, enum_field_types type
// ------------------------------------------------------------------------------------------------
Int32 DbConvTo< Int32 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
{
return ConvertToUInt< Int32 >(value, length, type, tn);
return ConvertToSInt< Int32 >(value, length, type, tn);
}
// ------------------------------------------------------------------------------------------------
@@ -362,7 +362,7 @@ Uint32 DbConvTo< Uint32 >::From(CSStr value, Ulong length, enum_field_types type
// ------------------------------------------------------------------------------------------------
Int64 DbConvTo< Int64 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
{
return ConvertToUInt< Int64 >(value, length, type, tn);
return ConvertToSInt< Int64 >(value, length, type, tn);
}
// ------------------------------------------------------------------------------------------------
@@ -390,16 +390,16 @@ Float32 DbConvTo< Float32 >::From(CSStr value, Ulong length, enum_field_types ty
case MYSQL_TYPE_SHORT:
case MYSQL_TYPE_INT24:
case MYSQL_TYPE_LONG: return ConvTo< Float32 >::From(std::strtol(value, nullptr, 10));
case MYSQL_TYPE_LONGLONG:
case MYSQL_TYPE_LONGLONG: return ConvTo< Float32 >::From(std::strtoll(value, nullptr, 10));
case MYSQL_TYPE_ENUM:
case MYSQL_TYPE_SET: return ConvTo< Float32 >::From(std::strtoll(value, nullptr, 10));
case MYSQL_TYPE_SET:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_STRING:
case MYSQL_TYPE_FLOAT: return std::strtof(value, nullptr);
case MYSQL_TYPE_DOUBLE:
case MYSQL_TYPE_DOUBLE: return ConvTo< Float32 >::From(std::strtod(value, nullptr));
case MYSQL_TYPE_DECIMAL:
case MYSQL_TYPE_NEWDECIMAL: return ConvTo< Float32 >::From(std::strtod(value, nullptr));
case MYSQL_TYPE_NEWDECIMAL: return std::strtof(value, nullptr);
case MYSQL_TYPE_DATE:
case MYSQL_TYPE_NEWDATE: return ConvTo< Float32 >::From(MySQLDateStrToSeconds(value));
case MYSQL_TYPE_TIME: return ConvTo< Float32 >::From(MySQLTimeStrToSeconds(value));
@@ -421,7 +421,54 @@ Float32 DbConvTo< Float32 >::From(CSStr value, Ulong length, enum_field_types ty
// ------------------------------------------------------------------------------------------------
Float64 DbConvTo< Float64 >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
{
return 0.0;
// Is there even a value to attempt to extract?
if (!value || *value == '\0')
{
return 0;
}
// Identify the type of value that must be converted and try to at least approximate something
switch(type)
{
case MYSQL_TYPE_NULL:
case MYSQL_TYPE_GEOMETRY: return static_cast< Float64 >(0);
case MYSQL_TYPE_BIT:
case MYSQL_TYPE_YEAR:
case MYSQL_TYPE_TINY:
case MYSQL_TYPE_SHORT:
case MYSQL_TYPE_INT24:
case MYSQL_TYPE_LONG: return ConvTo< Float64 >::From(std::strtol(value, nullptr, 10));
case MYSQL_TYPE_LONGLONG: return ConvTo< Float64 >::From(std::strtoll(value, nullptr, 10));
case MYSQL_TYPE_ENUM:
case MYSQL_TYPE_SET:
case MYSQL_TYPE_VARCHAR:
case MYSQL_TYPE_VAR_STRING:
case MYSQL_TYPE_STRING:
case MYSQL_TYPE_FLOAT:
case MYSQL_TYPE_DOUBLE:
case MYSQL_TYPE_DECIMAL:
case MYSQL_TYPE_NEWDECIMAL: return std::strtod(value, nullptr);
case MYSQL_TYPE_DATE:
case MYSQL_TYPE_NEWDATE: return ConvTo< Float64 >::From(MySQLDateStrToSeconds(value));
case MYSQL_TYPE_TIME: return ConvTo< Float64 >::From(MySQLTimeStrToSeconds(value));
case MYSQL_TYPE_TIMESTAMP: return ConvTo< Float64 >::From(MySQLTimestampStrToSeconds(value));
case MYSQL_TYPE_DATETIME: return ConvTo< Float64 >::From(MySQLDatetimeStrToSeconds(value));
case MYSQL_TYPE_TINY_BLOB:
case MYSQL_TYPE_MEDIUM_BLOB:
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_BLOB: return MemToNum< Float64 >(reinterpret_cast< const Uint8 * >(value), length);
default:
{
STHROWF("Unknown conversion from (%s) to (%s)", SqMySQLTypenameC(type), tn);
} break;
}
// Should not reach this point!
return 0;
}
// ------------------------------------------------------------------------------------------------
bool DbConvTo< bool >::From(CSStr value, Ulong length, enum_field_types type, CSStr tn)
{
return ConvertToSInt< Int64 >(value, length, type, tn) > 0;
}
} // Namespace:: SqMod

8
modules/mysql/Convert.hpp
View File

@@ -113,6 +113,14 @@ template<> struct DbConvTo< Float64 >
static Float64 From(CSStr value, Ulong length, enum_field_types type, CSStr tn = _SC("Float64"));
};
/* ------------------------------------------------------------------------------------------------
* Specialization for boolean value.
*/
template<> struct DbConvTo< bool >
{
static bool From(CSStr value, Ulong length, enum_field_types type, CSStr tn = _SC("Boolean"));
};
} // Namespace:: SqMod
#endif // _SQMYSQL_CONVERT_HPP_

523
modules/mysql/Field.cpp
View File

@@ -1,10 +1,533 @@
// ------------------------------------------------------------------------------------------------
#include "Field.hpp"
// ------------------------------------------------------------------------------------------------
#include <cerrno>
#include <cstdlib>
#include <cstring>
// ------------------------------------------------------------------------------------------------
namespace SqMod {
// ------------------------------------------------------------------------------------------------
static inline bool IsDigitsOnly(CSStr str)
{
while (std::isdigit(*str) || std::isspace(*str))
{
++str;
}
// Return whether we reached the end while searching
return *str == '\0';
}
// ------------------------------------------------------------------------------------------------
const Uint32 Field::INVALID_INDEX = std::numeric_limits< Uint32 >::max();
// ------------------------------------------------------------------------------------------------
SQInteger Field::Typename(HSQUIRRELVM vm)
{
static const SQChar name[] = _SC("SqMySQLField");
sq_pushstring(vm, name, sizeof(name));
return 1;
}
// ------------------------------------------------------------------------------------------------
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void Field::Validate(CCStr file, Int32 line) const
{
// Do we have a valid result-set handle?
if (!m_Handle)
{
SqThrowF("Invalid MySQL result-set reference =>[%s:%d]", file, line);
}
// Are we pointing to a valid index?
else if (m_Index >= m_Handle->mFieldCount)
{
SqThrowF("Field index is out of range: %u >= %lu =>[%s:%d]",
m_Index, m_Handle->mFieldCount, file, line);
}
}
#else
void Field::Validate() const
{
// Do we have a valid result-set handle?
if (!m_Handle)
{
SqThrowF("Invalid MySQL result-set reference");
}
// Are we pointing to a valid index?
else if (m_Index >= m_Handle->mFieldCount)
{
SqThrowF("Field index is out of range: %u >= %lu", m_Index, m_Handle->mFieldCount);
}
}
#endif // _DEBUG
// ------------------------------------------------------------------------------------------------
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void Field::ValidateCreated(CCStr file, Int32 line) const
{
// Do we have a valid result-set handle?
if (!m_Handle)
{
SqThrowF("Invalid MySQL result-set reference =>[%s:%d]", file, line);
}
// Are we pointing to a valid index?
m_Handle->ValidateField(m_Index, file, line);
}
#else
void Field::ValidateCreated() const
{
// Do we have a valid result-set handle?
if (!m_Handle)
{
SqThrowF("Invalid MySQL result-set reference");
}
// Are we pointing to a valid index?
m_Handle->ValidateField(m_Index);
}
#endif // _DEBUG
// ------------------------------------------------------------------------------------------------
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
const ResRef & Field::GetValid(CCStr file, Int32 line) const
{
Validate(file, line);
return m_Handle;
}
#else
const ResRef & Field::GetValid() const
{
Validate();
return m_Handle;
}
#endif // _DEBUG
// ------------------------------------------------------------------------------------------------
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
const ResRef & Field::GetCreated(CCStr file, Int32 line) const
{
ValidateCreated(file, line);
return m_Handle;
}
#else
const ResRef & Field::GetCreated() const
{
ValidateCreated();
return m_Handle;
}
#endif // _DEBUG
// ------------------------------------------------------------------------------------------------
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void Field::ValidateField(Uint32 idx, CCStr file, Int32 line) const
{
// Do we have a valid result-set handle?
if (!m_Handle)
{
SqThrowF("Invalid MySQL result-set reference =>[%s:%d]", file, line);
}
// Validate the specified field index
m_Handle->ValidateField(idx, file, line);
}
#else
void Field::ValidateField(Uint32 idx) const
{
// Do we have a valid result-set handle?
if (!m_Handle)
{
SqThrowF("Invalid MySQL result-set reference");
}
// Validate the specified field index
m_Handle->ValidateField(idx);
}
#endif // _DEBUG
// ------------------------------------------------------------------------------------------------
void Field::SetIndex(const Object & field)
{
// Where the index will be extracted
Uint32 idx = INVALID_INDEX;
// Grab the object virtual machine
HSQUIRRELVM vm = field.GetVM();
// Remember the current stack size
const StackGuard sg(vm);
// Push the specified object onto the stack
Var< const Object & >::push(vm, field);
// Identify the type of field was given
switch (field.GetType())
{
// Is this a string value?
case OT_STRING:
{
// Obtain the object from the stack as a string
const StackStrF val(vm, -1, false);
// Validate the result
if (SQ_FAILED(val.mRes))
{
STHROWF("%s", LastErrorString(vm).c_str());
}
// Is the obtained string empty?
else if (val.mLen <= 0)
{
STHROWF("Cannot use an empty field name");
}
// Attempt to find a field with the specified name
idx = m_Handle->GetFieldIndex(val.mPtr);
} break;
// Is this an integer value? (or at least can be easily converted to one)
case OT_INTEGER:
case OT_FLOAT:
case OT_BOOL:
{
idx = ConvTo< Uint32 >::From(SqMod_PopStackInteger(vm, -1));
} break;
// Is this an instance that we can extract either a string or integer from it?
case OT_INSTANCE:
{
// Obtain the object from the stack as a string
const StackStrF val(vm, -1, false);
// Validate the result
if (SQ_FAILED(val.mRes))
{
STHROWF("%s", LastErrorString(vm).c_str());
}
// Is the obtained string empty?
else if (val.mLen <= 0)
{
STHROWF("Cannot use an empty field name");
}
// Check if this value is made only of digits
else if (IsDigitsOnly(val.mPtr))
{
idx = ConvNum< Uint32 >::FromStr(val.mPtr);
}
// Attempt to find a field with the specified name
else
{
idx = m_Handle->GetFieldIndex(val.mPtr);
}
} break;
// We don't recognize this kind of value!
default: STHROWF("Unknown field index of type (%s)", SqTypeName(field.GetType()));
}
// Validate the obtained field index
SQMOD_VALIDATE_FIELD(*this, idx);
// Assign the new index
m_Index = idx;
}
// ------------------------------------------------------------------------------------------------
Object Field::GetStatement() const
{
return Object();
}
// ------------------------------------------------------------------------------------------------
Object Field::GetConnection() const
{
return Object();
}
// ------------------------------------------------------------------------------------------------
bool Field::GetBoolean() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< bool >::From(m_Handle->mBinds[m_Index].mUint64);
}
// Retrieve the value directly from the row
return DbConvTo< bool >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQChar Field::GetChar() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< SQChar >::From(m_Handle->mBinds[m_Index].mInt32[0]);
}
// Retrieve the value directly from the row
return DbConvTo< SQChar >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger Field::GetInteger() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
#ifdef _SQ64
return ConvTo< SQInteger >::From(m_Handle->mBinds[m_Index].mInt64);
#else
return ConvTo< SQInteger >::From(m_Handle->mBinds[m_Index].mInt32[0]);
#endif // _SQ64
}
// Retrieve the value directly from the row
return DbConvTo< SQInteger >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQFloat Field::GetFloat() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
#ifdef SQUSEDOUBLE
return ConvTo< SQFloat >::From(m_Handle->mBinds[m_Index].mFloat64);
#else
return ConvTo< SQFloat >::From(m_Handle->mBinds[m_Index].mFloat32[0]);
#endif // SQUSEDOUBLE
}
// Retrieve the value directly from the row
return DbConvTo< SQFloat >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger Field::GetInt8() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Int8 >::From(m_Handle->mBinds[m_Index].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Int8 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger Field::GetUint8() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Uint8 >::From(m_Handle->mBinds[m_Index].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Uint8 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger Field::GetInt16() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Int16 >::From(m_Handle->mBinds[m_Index].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Int16 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger Field::GetUint16() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Uint16 >::From(m_Handle->mBinds[m_Index].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Uint16 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger Field::GetInt32() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Int32 >::From(m_Handle->mBinds[m_Index].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Int32 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger Field::GetUint32() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Uint32 >::From(m_Handle->mBinds[m_Index].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Uint32 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
Object Field::GetInt64() const
{
SQMOD_VALIDATE_CREATED(*this);
// Obtain the initial stack size
const StackGuard sg;
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
SqMod_PushSLongObject(DefaultVM::Get(),
ConvTo< Int64 >::From(m_Handle->mBinds[m_Index].mInt64));
}
// Retrieve the value directly from the row
else
{
SqMod_PushSLongObject(DefaultVM::Get(),
DbConvTo< Int64 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type));
}
// Obtain the object from the stack and return it
return Var< Object >(DefaultVM::Get(), -1).value;
}
// ------------------------------------------------------------------------------------------------
Object Field::GetUint64() const
{
SQMOD_VALIDATE_CREATED(*this);
// Obtain the initial stack size
const StackGuard sg;
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
SqMod_PushULongObject(DefaultVM::Get(),
ConvTo< Uint64 >::From(m_Handle->mBinds[m_Index].mUint64));
}
// Retrieve the value directly from the row
else
{
SqMod_PushULongObject(DefaultVM::Get(),
DbConvTo< Uint64 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type));
}
// Obtain the object from the stack and return it
return Var< Object >(DefaultVM::Get(), -1).value;
}
// ------------------------------------------------------------------------------------------------
SQFloat Field::GetFloat32() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Float32 >::From(m_Handle->mBinds[m_Index].mFloat32[0]);
}
// Retrieve the value directly from the row
return DbConvTo< Float32 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
SQFloat Field::GetFloat64() const
{
SQMOD_VALIDATE_CREATED(*this);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Float64 >::From(m_Handle->mBinds[m_Index].mFloat64);
}
// Retrieve the value directly from the row
return DbConvTo< Float64 >::From(m_Handle->mRow[m_Index],
m_Handle->mLengths[m_Index],
m_Handle->mFields[m_Index].type);
}
// ------------------------------------------------------------------------------------------------
Object Field::GetString() const
{
SQMOD_VALIDATE_CREATED(*this);
// Obtain the initial stack size
const StackGuard sg;
// Retrieve the value directly from the row and push it on the stack
sq_pushstring(DefaultVM::Get(), m_Handle->mRow[m_Index], m_Handle->mLengths[m_Index]);
// Obtain the object from the stack and return it
return Var< Object >(DefaultVM::Get(), -1).value;
}
// ------------------------------------------------------------------------------------------------
Object Field::GetBuffer() const
{
return NullObject();
}
// ------------------------------------------------------------------------------------------------
Object Field::GetBlob() const
{
return NullObject();
}
// ================================================================================================
void Register_Field(Table & sqlns)
{
sqlns.Bind(_SC("Field"),
Class< Field >(sqlns.GetVM(), _SC("SqMySQLField"))
// Constructors
.Ctor()
.Ctor< const Field & >()
// Meta-methods
.Func(_SC("_cmp"), &Field::Cmp)
.SquirrelFunc(_SC("_typename"), &Field::Typename)
.Func(_SC("_tostring"), &Field::ToString)
// Properties
.Prop(_SC("IsValid"), &Field::IsValid)
.Prop(_SC("References"), &Field::GetRefCount)
.Prop(_SC("Index"), &Field::GetIndex)
.Prop(_SC("Statement"), &Field::GetStatement)
.Prop(_SC("Connection"), &Field::GetConnection)
.Prop(_SC("Bool"), &Field::GetBoolean)
.Prop(_SC("Boolean"), &Field::GetBoolean)
.Prop(_SC("Char"), &Field::GetChar)
.Prop(_SC("Integer"), &Field::GetInteger)
.Prop(_SC("Float"), &Field::GetFloat)
.Prop(_SC("Int8"), &Field::GetInt8)
.Prop(_SC("Uint8"), &Field::GetUint8)
.Prop(_SC("Int16"), &Field::GetInt16)
.Prop(_SC("Uint16"), &Field::GetUint16)
.Prop(_SC("Int32"), &Field::GetInt32)
.Prop(_SC("Uint32"), &Field::GetUint32)
.Prop(_SC("Int64"), &Field::GetInt64)
.Prop(_SC("Uint64"), &Field::GetUint64)
.Prop(_SC("Float32"), &Field::GetFloat32)
.Prop(_SC("Float64"), &Field::GetFloat64)
.Prop(_SC("String"), &Field::GetString)
.Prop(_SC("Buffer"), &Field::GetBuffer)
.Prop(_SC("Blob"), &Field::GetBlob)
// Member Methods
.Func(_SC("Release"), &Field::Release)
);
}
} // Namespace:: SqMod

318
modules/mysql/Field.hpp
View File

@@ -8,7 +8,7 @@
namespace SqMod {
/* ------------------------------------------------------------------------------------------------
* ...
* Used to manage and interact with fields from result-sets.
*/
class Field
{
@@ -18,21 +18,133 @@ class Field
private:
// --------------------------------------------------------------------------------------------
Uint32 m_Index; // The actual index of the referenced field.
ResRef m_Handle; // Reference to the actual database result-set.
Uint32 m_Index; // Index to the managed field.
protected:
/* --------------------------------------------------------------------------------------------
* Handle constructor.
* Validate the associated result-set handle and field index, and throw an error if invalid.
*/
Field(const ResRef & hnd, Uint32 idx)
: m_Handle(hnd), m_Index(idx)
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void Validate(CCStr file, Int32 line) const;
#else
void Validate() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the associated result-set handle and field index, and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void ValidateCreated(CCStr file, Int32 line) const;
#else
void ValidateCreated() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the associated result-set handle and field index, and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
const ResRef & GetValid(CCStr file, Int32 line) const;
#else
const ResRef & GetValid() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the associated result-set handle and field index, and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
const ResRef & GetCreated(CCStr file, Int32 line) const;
#else
const ResRef & GetCreated() const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Validate the associated result-set handle and field index, and throw an error if invalid.
*/
#if defined(_DEBUG) || defined(SQMOD_EXCEPTLOC)
void ValidateField(Uint32 idx, CCStr file, Int32 line) const;
#else
void ValidateField(Uint32 idx) const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Modify the index to the specified value.
*/
void SetIndex(Int32 idx)
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Assign the new index
m_Index = idx;
}
/* --------------------------------------------------------------------------------------------
* Modify the index to the specified value.
*/
void SetIndex(CSStr name)
{
SetIndex(SQMOD_GET_CREATED(*this)->GetFieldIndex(name));
}
/* --------------------------------------------------------------------------------------------
* Modify the index to the specified value.
*/
void SetIndex(const Object & field);
public:
// --------------------------------------------------------------------------------------------
static const Uint32 INVALID_INDEX;
/* --------------------------------------------------------------------------------------------
* Default constructor (null).
*/
Field()
: m_Index(INVALID_INDEX), m_Handle()
{
/* ... */
}
public:
/* --------------------------------------------------------------------------------------------
* No field constructor.
*/
Field(const ResRef & rset)
: m_Index(INVALID_INDEX), m_Handle(rset)
{
/* ... */
}
/* --------------------------------------------------------------------------------------------
* Index constructor.
*/
Field(const ResRef & rset, Uint32 idx)
: m_Index(idx), m_Handle(rset)
{
SQMOD_VALIDATE_FIELD(*this, m_Index);
}
/* --------------------------------------------------------------------------------------------
* Name constructor.
*/
Field(const ResRef & rset, CSStr name)
: m_Index(rset ? rset->GetFieldIndex(name) : -1), m_Handle(rset)
{
SQMOD_VALIDATE_FIELD(*this, m_Index);
}
/* --------------------------------------------------------------------------------------------
* Dynamic constructor.
*/
Field(const ResRef & rset, const Object & field)
: m_Index(INVALID_INDEX), m_Handle(rset)
{
if (!m_Handle)
{
STHROWF("Invalid MySQL result-set reference");
}
// Extract the index
SetIndex(field);
}
/* --------------------------------------------------------------------------------------------
* Copy constructor.
@@ -54,6 +166,200 @@ public:
*/
Field & operator = (Field && o) = default;
/* --------------------------------------------------------------------------------------------
* Perform an equality comparison between two result-set field indexes.
*/
bool operator == (const Field & o) const
{
return (m_Index == o.m_Index);
}
/* --------------------------------------------------------------------------------------------
* Perform an inequality comparison between two result-set field indexes.
*/
bool operator != (const Field & o) const
{
return (m_Index != o.m_Index);
}
/* --------------------------------------------------------------------------------------------
* Implicit conversion to boolean for use in boolean operations.
*/
operator bool () const
{
return (m_Handle && m_Handle->CheckFieldIndex(m_Index));
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to compare two instances of this type.
*/
Int32 Cmp(const Field & o) const
{
if (m_Index == o.m_Index)
{
return 0;
}
else if (m_Index > o.m_Index)
{
return 1;
}
else
{
return -1;
}
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to convert an instance of this type to a string.
*/
CSStr ToString() const
{
CSStr val = nullptr;
// Can we attempt to return the parameter name?
if (m_Handle && m_Handle->CheckFieldIndex(m_Index))
{
val = m_Handle->mFields[m_Index].name;
}
else
{
val = ToStrF(_SC("%d"), m_Index);
}
// Return the value if valid
return val ? val : _SC("");
}
/* --------------------------------------------------------------------------------------------
* Used by the script engine to retrieve the name from instances of this type.
*/
static SQInteger Typename(HSQUIRRELVM vm);
/* --------------------------------------------------------------------------------------------
* See whether the field is valid.
*/
bool IsValid() const
{
return m_Handle; // An invalid result-set means an invalid field
}
/* --------------------------------------------------------------------------------------------
* Return the number of active references to the associated result-set handle.
*/
Uint32 GetRefCount() const
{
return m_Handle.Count();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the referenced field index.
*/
SQInteger GetIndex() const
{
return ConvTo< SQInteger >::From(m_Index);
}
/* --------------------------------------------------------------------------------------------
* Retrieve the referenced database statement.
*/
Object GetStatement() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the referenced database connection.
*/
Object GetConnection() const;
/* --------------------------------------------------------------------------------------------
* Release the reference to the referenced database statement and field index.
*/
void Release()
{
m_Handle.Reset();
m_Index = INVALID_INDEX;
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a boolean value.
*/
bool GetBoolean() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a character.
*/
SQChar GetChar() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a native script integer.
*/
SQInteger GetInteger() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a native script floating point.
*/
SQFloat GetFloat() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a signed 8 bit integer value.
*/
SQInteger GetInt8() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as an unsigned 8 bit integer value.
*/
SQInteger GetUint8() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a signed 16 bit integer value.
*/
SQInteger GetInt16() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as an unsigned 16 bit integer value.
*/
SQInteger GetUint16() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a signed 32 bit integer value.
*/
SQInteger GetInt32() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as an unsigned 32 bit integer value.
*/
SQInteger GetUint32() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a signed 64 bit integer value.
*/
Object GetInt64() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as an unsigned 64 bit integer value.
*/
Object GetUint64() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a 32 bit floating point value.
*/
SQFloat GetFloat32() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a 64 bit floating point value.
*/
SQFloat GetFloat64() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a string value.
*/
Object GetString() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a memory buffer.
*/
Object GetBuffer() const;
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the referenced field as a memory blob.
*/
Object GetBlob() const;
};
} // Namespace:: SqMod

23
modules/mysql/Handle/ResultSet.cpp
View File

@@ -186,7 +186,7 @@ void ResHnd::ValidateField(Uint32 idx, CCStr file, Int32 line) const
// Is the handle valid?
if (mPtr == nullptr)
{
STHROWF("Invalid MySQL result-set reference =>[%s:%d]", file, line);
STHROWF("Invalid MySQL result-set =>[%s:%d]", file, line);
}
else if (idx >= mFieldCount)
{
@@ -199,7 +199,7 @@ void ResHnd::ValidateField(Uint32 idx) const
// Is the handle valid?
if (mPtr == nullptr)
{
STHROWF("Invalid MySQL result-set reference");
STHROWF("Invalid MySQL result-set");
}
else if (idx >= mFieldCount)
{
@@ -208,6 +208,25 @@ void ResHnd::ValidateField(Uint32 idx) const
}
#endif // _DEBUG
// ------------------------------------------------------------------------------------------------
Uint32 ResHnd::GetFieldIndex(CSStr name)
{
// Validate the handle
if (!mPtr)
{
STHROWF("Invalid MySQL result-set");
}
// Attempt to find the specified field
const IndexMap::iterator itr = mIndexes.find(name);
// Was there a field with the specified name?
if (itr != mIndexes.end())
{
return itr->second;
}
// No such field exists (expecting the invoker to validate the result)
return std::numeric_limits< Uint32 >::max();
}
// ------------------------------------------------------------------------------------------------
void ResHnd::Create(const ConnRef & conn)
{

13
modules/mysql/Handle/ResultSet.hpp
View File

@@ -192,6 +192,19 @@ public:
void ValidateField(Uint32 idx) const;
#endif // _DEBUG
/* --------------------------------------------------------------------------------------------
* Check whether a specific field index is within range.
*/
bool CheckFieldIndex(Uint32 idx) const
{
return (idx < mFieldCount);
}
/* --------------------------------------------------------------------------------------------
* Retrieve the field index associated with the specified name.
*/
Uint32 GetFieldIndex(CSStr name);
/* --------------------------------------------------------------------------------------------
* Create the result-set from a Connection.
*/

2
modules/mysql/Module.cpp
View File

@@ -11,6 +11,7 @@ namespace SqMod {
// ------------------------------------------------------------------------------------------------
extern void Register_Account(Table & sqlns);
extern void Register_Connection(Table & sqlns);
extern void Register_Field(Table & sqlns);
extern void Register_ResultSet(Table & sqlns);
extern void Register_Statement(Table & sqlns);
@@ -31,6 +32,7 @@ static bool RegisterAPI(HSQUIRRELVM vm)
Register_Account(sqlns);
Register_Connection(sqlns);
Register_Field(sqlns);
Register_ResultSet(sqlns);
Register_Statement(sqlns);

163
modules/mysql/ResultSet.cpp
View File

@@ -106,157 +106,6 @@ void ResultSet::ValidateField(Int32 idx) const
}
#endif // _DEBUG
// ------------------------------------------------------------------------------------------------
SQInteger ResultSet::GetInt8(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Int8 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Int8 >::From(m_Handle->mRow[idx], m_Handle->mLengths[idx], m_Handle->mFields[idx].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger ResultSet::GetUint8(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Uint8 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Uint8 >::From(m_Handle->mRow[idx], m_Handle->mLengths[idx], m_Handle->mFields[idx].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger ResultSet::GetInt16(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Int16 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Int16 >::From(m_Handle->mRow[idx], m_Handle->mLengths[idx], m_Handle->mFields[idx].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger ResultSet::GetUint16(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Uint16 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Uint16 >::From(m_Handle->mRow[idx], m_Handle->mLengths[idx], m_Handle->mFields[idx].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger ResultSet::GetInt32(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Int32 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Int32 >::From(m_Handle->mRow[idx], m_Handle->mLengths[idx], m_Handle->mFields[idx].type);
}
// ------------------------------------------------------------------------------------------------
SQInteger ResultSet::GetUint32(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Uint32 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Uint32 >::From(m_Handle->mRow[idx], m_Handle->mLengths[idx], m_Handle->mFields[idx].type);
}
// ------------------------------------------------------------------------------------------------
Int64 ResultSet::GetInt64(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Int64 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Int64 >::From(m_Handle->mRow[idx], m_Handle->mLengths[idx], m_Handle->mFields[idx].type);
}
// ------------------------------------------------------------------------------------------------
Uint64 ResultSet::GetUint64(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Uint64 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return DbConvTo< Uint64 >::From(m_Handle->mRow[idx], m_Handle->mLengths[idx], m_Handle->mFields[idx].type);
}
// ------------------------------------------------------------------------------------------------
SQFloat ResultSet::GetFloat32(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Float32 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return std::strtof(m_Handle->mRow[idx], nullptr);
}
// ------------------------------------------------------------------------------------------------
SQFloat ResultSet::GetFloat64(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< Float64 >::From(m_Handle->mBinds[idx].mInt64);
}
// Retrieve the value directly from the row
return std::strtod(m_Handle->mRow[idx], nullptr);
}
// ------------------------------------------------------------------------------------------------
bool ResultSet::GetBoolean(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Should we retrieve the value from the bind wrapper?
if (m_Handle->mStatement)
{
return ConvTo< bool >::From(m_Handle->mBinds[idx].mUint64);
}
// Retrieve the value directly from the row
return ConvTo< bool >::From(std::strtol(m_Handle->mRow[idx], nullptr, 10));
}
// ------------------------------------------------------------------------------------------------
CSStr ResultSet::GetString(Uint32 idx) const
{
SQMOD_VALIDATE_FIELD(*this, idx);
// Retrieve the value directly from the row
return m_Handle->mRow[idx];
}
// ================================================================================================
void Register_ResultSet(Table & sqlns)
{
@@ -275,8 +124,16 @@ void Register_ResultSet(Table & sqlns)
.Prop(_SC("RowCount"), &ResultSet::RowCount)
// Member Methods
.Func(_SC("Next"), &ResultSet::Next)
.Func(_SC("Step"), &ResultSet::Next)
.Func(_SC("SetRowIndex"), &ResultSet::SetRowIndex)
.Func(_SC("SetLongRowIndex"), &ResultSet::SetLongRowIndex)
.Func(_SC("Get"), &ResultSet::GetField)
.Func(_SC("GetField"), &ResultSet::GetField)
.Func(_SC("GetBool"), &ResultSet::GetBoolean)
.Func(_SC("GetBoolean"), &ResultSet::GetBoolean)
.Func(_SC("GetChar"), &ResultSet::GetChar)
.Func(_SC("GetInteger"), &ResultSet::GetInteger)
.Func(_SC("GetFloat"), &ResultSet::GetFloat)
.Func(_SC("GetInt8"), &ResultSet::GetInt8)
.Func(_SC("GetUint8"), &ResultSet::GetUint8)
.Func(_SC("GetInt16"), &ResultSet::GetInt16)
@@ -287,9 +144,9 @@ void Register_ResultSet(Table & sqlns)
.Func(_SC("GetUint64"), &ResultSet::GetUint64)
.Func(_SC("GetFloat32"), &ResultSet::GetFloat32)
.Func(_SC("GetFloat64"), &ResultSet::GetFloat64)
.Func(_SC("GetBool"), &ResultSet::GetBoolean)
.Func(_SC("GetBoolean"), &ResultSet::GetBoolean)
.Func(_SC("GetString"), &ResultSet::GetString)
.Func(_SC("GetBuffer"), &ResultSet::GetBuffer)
.Func(_SC("GetBlob"), &ResultSet::GetBlob)
);
}

133
modules/mysql/ResultSet.hpp
View File

@@ -3,6 +3,7 @@
// ------------------------------------------------------------------------------------------------
#include "Handle/ResultSet.hpp"
#include "Field.hpp"
// ------------------------------------------------------------------------------------------------
namespace SqMod {
@@ -214,64 +215,148 @@ public:
}
/* --------------------------------------------------------------------------------------------
* Retrieve a signed 8 bit integer from a field.
* Retrieve the field with the specified name or index.
*/
SQInteger GetInt8(Uint32 idx) const;
Field GetField(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field);
}
/* --------------------------------------------------------------------------------------------
* Retrieve an unsigned 8 bit integer from a field.
* Retrieve the value inside the specified field as a boolean value.
*/
SQInteger GetUint8(Uint32 idx) const;
bool GetBoolean(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetBoolean();
}
/* --------------------------------------------------------------------------------------------
* Retrieve a signed 16 bit integer from a field.
* Retrieve the value inside the specified field as a character.
*/
SQInteger GetInt16(Uint32 idx) const;
SQChar GetChar(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetChar();
}
/* --------------------------------------------------------------------------------------------
* Retrieve an unsigned 16 bit integer from a field.
* Retrieve the value inside the specified field as a native script integer.
*/
SQInteger GetUint16(Uint32 idx) const;
SQInteger GetInteger(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetInteger();
}
/* --------------------------------------------------------------------------------------------
* Retrieve a signed 32 bit integer from a field.
* Retrieve the value inside the specified field as a native script floating point.
*/
SQInteger GetInt32(Uint32 idx) const;
SQFloat GetFloat(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetFloat();
}
/* --------------------------------------------------------------------------------------------
* Retrieve an unsigned 32 bit integer from a field.
* Retrieve the value inside the specified field as a signed 8 bit integer value.
*/
SQInteger GetUint32(Uint32 idx) const;
SQInteger GetInt8(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetInt8();
}
/* --------------------------------------------------------------------------------------------
* Retrieve a signed 64 bit integer from a field.
* Retrieve the value inside the specified field as an unsigned 8 bit integer value.
*/
Int64 GetInt64(Uint32 idx) const;
SQInteger GetUint8(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetUint8();
}
/* --------------------------------------------------------------------------------------------
* Retrieve an unsigned 64 bit integer from a field.
* Retrieve the value inside the specified field as a signed 16 bit integer value.
*/
Uint64 GetUint64(Uint32 idx) const;
SQInteger GetInt16(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetInt16();
}
/* --------------------------------------------------------------------------------------------
* Retrieve a 32 bit floating point from a field.
* Retrieve the value inside the specified field as an unsigned 16 bit integer value.
*/
SQFloat GetFloat32(Uint32 idx) const;
SQInteger GetUint16(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetUint16();
}
/* --------------------------------------------------------------------------------------------
* Retrieve a 64 bit floating point from a field.
* Retrieve the value inside the specified field as a signed 32 bit integer value.
*/
SQFloat GetFloat64(Uint32 idx) const;
SQInteger GetInt32(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetInt32();
}
/* --------------------------------------------------------------------------------------------
* Retrieve a boolean from a field.
* Retrieve the value inside the specified field as an unsigned 32 bit integer value.
*/
bool GetBoolean(Uint32 idx) const;
SQInteger GetUint32(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetUint32();
}
/* --------------------------------------------------------------------------------------------
* Retrieve a string from a field.
* Retrieve the value inside the specified field as a signed 64 bit integer value.
*/
CSStr GetString(Uint32 idx) const;
Object GetInt64(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetInt64();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as an unsigned 64 bit integer value.
*/
Object GetUint64(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetUint64();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a 32 bit floating point value.
*/
SQFloat GetFloat32(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetFloat32();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a 64 bit floating point value.
*/
SQFloat GetFloat64(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetFloat64();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a string value.
*/
Object GetString(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetString();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a memory buffer.
*/
Object GetBuffer(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetBuffer();
}
/* --------------------------------------------------------------------------------------------
* Retrieve the value inside the specified field as a memory blob.
*/
Object GetBlob(const Object & field) const
{
return Field(SQMOD_GET_CREATED(*this), field).GetBlob();
}
};
} // Namespace:: SqMod