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SqMod/modules/mysql/Statement.cpp
Sandu Liviu Catalin 3affe10c35 Initial implementation of the MySQL statement class.
Various other additions and improvements to the MySQL module.
2016-06-05 05:08:59 +03:00

415 lines
15 KiB
C++

// ------------------------------------------------------------------------------------------------
#include "Statement.hpp"
#include "Connection.hpp"
#include "ResultSet.hpp"
// ------------------------------------------------------------------------------------------------
#include <limits>
#include <cstring>
// ------------------------------------------------------------------------------------------------
namespace SqMod {
// ------------------------------------------------------------------------------------------------
SQInteger Statement::Typename(HSQUIRRELVM vm)
{
static const SQChar name[] = _SC("SqMySQLStatement");
sq_pushstring(vm, name, sizeof(name));
return 1;
}
// ------------------------------------------------------------------------------------------------
Int32 Statement::Cmp(const Statement & o) const
{
if (m_Handle == o.m_Handle)
{
return 0;
}
else if (m_Handle.HndPtr() > o.m_Handle.HndPtr())
{
return 1;
}
else
{
return -1;
}
}
// ------------------------------------------------------------------------------------------------
CSStr Statement::ToString() const
{
// Do we have a valid handle?
if (m_Handle)
{
m_Handle->mQuery.c_str();
}
// Default to an empty string
return _SC("");
}
// ------------------------------------------------------------------------------------------------
Statement::Statement()
: m_Handle()
{
}
// ------------------------------------------------------------------------------------------------
Statement::Statement(const ConnHnd & connection, CSStr query)
: m_Handle(connection, query)
{
}
// ------------------------------------------------------------------------------------------------
Statement::Statement(const Connection & connection, CSStr query)
: m_Handle(connection.GetHnd(), query)
{
}
// ------------------------------------------------------------------------------------------------
Connection Statement::GetConnection() const
{
// Validate the managed handle
m_Handle.Validate();
// Return the requested information
return Connection(m_Handle->mConnection);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetConnection(const Connection & conn)
{
// Validate the managed handle
m_Handle.Validate();
// Perform the requested operation
m_Handle->mConnection = conn.GetHnd();
}
// ------------------------------------------------------------------------------------------------
Int32 Statement::Execute()
{
// Validate the managed handle
m_Handle.Validate();
// Attempt to bind the parameters
if (mysql_stmt_bind_param(m_Handle, m_Handle->mMyBinds))
{
THROW_CURRENT(m_Handle, "Cannot bind statement parameters");
}
// Attempt to execute the statement
else if (mysql_stmt_execute(m_Handle))
{
THROW_CURRENT(m_Handle, "Cannot execute statement");
}
// Return the number of rows affected by this query
return mysql_stmt_affected_rows(m_Handle);
}
// ------------------------------------------------------------------------------------------------
Uint32 Statement::Insert()
{
// Validate the managed handle
m_Handle.Validate();
// Attempt to bind the parameters
if (mysql_stmt_bind_param(m_Handle, m_Handle->mMyBinds))
{
THROW_CURRENT(m_Handle, "Cannot bind statement parameters");
}
// Attempt to execute the statement
else if (mysql_stmt_execute(m_Handle))
{
THROW_CURRENT(m_Handle, "Cannot execute statement");
}
// Return the identifier of the inserted row
return mysql_stmt_insert_id(m_Handle);
}
// ------------------------------------------------------------------------------------------------
ResultSet Statement::Query()
{
// Validate the managed handle
m_Handle.Validate();
// Attempt to bind the parameters
if (mysql_stmt_bind_param(m_Handle, m_Handle->mMyBinds))
{
THROW_CURRENT(m_Handle, "Cannot bind statement parameters");
}
// Attempt to execute the statement
else if (mysql_stmt_execute(m_Handle))
{
THROW_CURRENT(m_Handle, "Cannot execute statement");
}
// Return the results of this query
return ResultSet(ResHnd(m_Handle));
}
// ------------------------------------------------------------------------------------------------
void Statement::SetInt8(Uint32 idx, SQInteger val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_TINY, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mInt64 = ConvTo< Int8 >::From(val);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetUint8(Uint32 idx, SQInteger val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_TINY, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mUint64 = ConvTo< Uint8 >::From(val);
// Specify that this value is unsigned
m_Handle->mMyBinds[idx].is_unsigned = true;
}
// ------------------------------------------------------------------------------------------------
void Statement::SetInt16(Uint32 idx, SQInteger val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_SHORT, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mInt64 = ConvTo< Int16 >::From(val);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetUint16(Uint32 idx, SQInteger val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_SHORT, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mUint64 = ConvTo< Uint16 >::From(val);
// Specify that this value is unsigned
m_Handle->mMyBinds[idx].is_unsigned = true;
}
// ------------------------------------------------------------------------------------------------
void Statement::SetInt32(Uint32 idx, SQInteger val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_LONG, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mInt64 = ConvTo< Int32 >::From(val);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetUint32(Uint32 idx, SQInteger val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_LONG, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mUint64 = ConvTo< Uint32 >::From(val);
// Specify that this value is unsigned
m_Handle->mMyBinds[idx].is_unsigned = true;
}
// ------------------------------------------------------------------------------------------------
void Statement::SetInt64(Uint32 idx, SQInteger val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_LONGLONG, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mInt64 = ConvTo< Int64 >::From(val);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetUint64(Uint32 idx, SQInteger val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_LONGLONG, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mUint64 = ConvTo< Uint64 >::From(val);
// Specify that this value is unsigned
m_Handle->mMyBinds[idx].is_unsigned = true;
}
// ------------------------------------------------------------------------------------------------
void Statement::SetSLongInt(Uint32 idx, Object & val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_LONGLONG, &(m_Handle->mMyBinds[idx]));
// Obtain the initial stack size
const StackGuard sg;
// Push the specified object onto the stack
Var< Object >::push(_SqVM, val);
// Attempt to get the numeric value inside the specified object
if (SQ_FAILED(_SqMod->GetSLongValue(_SqVM, -1, &(m_Handle->mBinds[idx].mInt64))))
{
STHROWF("Invalid long integer specified");
}
}
// ------------------------------------------------------------------------------------------------
void Statement::SetULongInt(Uint32 idx, Object & val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_LONGLONG, &(m_Handle->mMyBinds[idx]));
// Specify that this value is unsigned
m_Handle->mMyBinds[idx].is_unsigned = true;
// Obtain the initial stack size
const StackGuard sg;
// Push the specified object onto the stack
Var< Object >::push(_SqVM, val);
// Attempt to get the numeric value inside the specified object
if (SQ_FAILED(_SqMod->GetULongValue(_SqVM, -1, &(m_Handle->mBinds[idx].mUint64))))
{
STHROWF("Invalid long integer specified");
}
}
// ------------------------------------------------------------------------------------------------
void Statement::SetInteger(Uint32 idx, SQInteger val) const
{
#ifdef _SQ64
SetInt64(idx, val);
#else
SetInt32(idx, val);
#endif // _SQ64
}
// ------------------------------------------------------------------------------------------------
void Statement::SetFloat32(Uint32 idx, SQFloat val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_FLOAT, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mFloat32[0] = ConvTo< Float32 >::From(val);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetFloat64(Uint32 idx, SQFloat val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_DOUBLE, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mFloat64 = ConvTo< Float64 >::From(val);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetFloat(Uint32 idx, SQFloat val) const
{
#ifdef SQUSEDOUBLE
SetFloat64(idx, val);
#else
SetFloat32(idx, val);
#endif // SQUSEDOUBLE
}
// ------------------------------------------------------------------------------------------------
void Statement::SetBoolean(Uint32 idx, bool val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_TINY, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
m_Handle->mBinds[idx].mUint64 = val;
}
// ------------------------------------------------------------------------------------------------
void Statement::SetDate(Uint32 idx, Object & val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_DATE, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
SqDateToMySQLTime(val, m_Handle->mBinds[idx].mTime);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetTime(Uint32 idx, Object & val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_TIME, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
SqTimeToMySQLTime(val, m_Handle->mBinds[idx].mTime);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetDatetime(Uint32 idx, Object & val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_DATETIME, &(m_Handle->mMyBinds[idx]));
// Assign the value to the input
SqDatetimeToMySQLTime(val, m_Handle->mBinds[idx].mTime);
}
// ------------------------------------------------------------------------------------------------
void Statement::SetString(Uint32 idx, CSStr val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_STRING, &(m_Handle->mMyBinds[idx]), val, std::strlen(val));
}
// ------------------------------------------------------------------------------------------------
void Statement::SetEnum(Uint32 idx, CSStr val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_ENUM, &(m_Handle->mMyBinds[idx]), val, std::strlen(val));
}
// ------------------------------------------------------------------------------------------------
void Statement::SetSet(Uint32 idx, CSStr val) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_SET, &(m_Handle->mMyBinds[idx]), val, std::strlen(val));
}
// ------------------------------------------------------------------------------------------------
void Statement::SetBlob(Uint32 /*idx*/, Object & /*val*/) const
{
// TODO...
}
// ------------------------------------------------------------------------------------------------
void Statement::SetData(Uint32 /*idx*/, Object & /*val*/) const
{
// TODO...
}
// ------------------------------------------------------------------------------------------------
void Statement::SetNull(Uint32 idx) const
{
// Validate the managed handle and specified index
m_Handle.ValidateIndex(idx);
// Attempt to set the input value
m_Handle->mBinds[idx].SetInput(MYSQL_TYPE_NULL, &(m_Handle->mMyBinds[idx]));
}
} // Namespace:: SqMod