SQLBindParameter

関数

SQL文のパラメータに変数とデータ型を結び付ける。

DLLODBC32.dll呼出規約winapi

シグネチャ

// ODBC32.dll
#include <windows.h>

SHORT SQLBindParameter(
    void* hstmt,
    WORD ipar,
    SHORT fParamType,
    SHORT fCType,
    SHORT fSqlType,
    DWORD cbColDef,
    SHORT ibScale,
    void* rgbValue,
    INT cbValueMax,
    INT* pcbValue
);

パラメーター

名前	型	方向	説明
hstmt	void*	inout	パラメータをバインドする対象のステートメントハンドル。
ipar	WORD	in	パラメータ番号。1始まりで指定する。
fParamType	SHORT	in	パラメータの入出力種別。SQL_PARAM_INPUT/OUTPUT/INPUT_OUTPUT。
fCType	SHORT	in	アプリ側バッファのCデータ型。SQL_C_*定数を指定する。
fSqlType	SHORT	in	パラメータのSQLデータ型を指定する。
cbColDef	DWORD	in	列のサイズまたは精度を指定する。
ibScale	SHORT	in	小数点以下桁数(スケール)を指定する。
rgbValue	void*	inout	パラメータ値を格納するバッファへのポインタ。
cbValueMax	INT	in	rgbValueバッファのバイト長。
pcbValue	INT*	inout	値のバイト長またはSQL_NULL_DATA等の標識を保持するポインタ。

戻り値の型: SHORT

各言語での呼び出し定義

// ODBC32.dll
#include <windows.h>

SHORT SQLBindParameter(
    void* hstmt,
    WORD ipar,
    SHORT fParamType,
    SHORT fCType,
    SHORT fSqlType,
    DWORD cbColDef,
    SHORT ibScale,
    void* rgbValue,
    INT cbValueMax,
    INT* pcbValue
);

[DllImport("ODBC32.dll", ExactSpelling = true)]
static extern short SQLBindParameter(
    IntPtr hstmt,   // void* in/out
    ushort ipar,   // WORD
    short fParamType,   // SHORT
    short fCType,   // SHORT
    short fSqlType,   // SHORT
    uint cbColDef,   // DWORD
    short ibScale,   // SHORT
    IntPtr rgbValue,   // void* in/out
    int cbValueMax,   // INT
    ref int pcbValue   // INT* in/out
);

<DllImport("ODBC32.dll", ExactSpelling:=True)>
Public Shared Function SQLBindParameter(
    hstmt As IntPtr,   ' void* in/out
    ipar As UShort,   ' WORD
    fParamType As Short,   ' SHORT
    fCType As Short,   ' SHORT
    fSqlType As Short,   ' SHORT
    cbColDef As UInteger,   ' DWORD
    ibScale As Short,   ' SHORT
    rgbValue As IntPtr,   ' void* in/out
    cbValueMax As Integer,   ' INT
    ByRef pcbValue As Integer   ' INT* in/out
) As Short
End Function

' hstmt : void* in/out
' ipar : WORD
' fParamType : SHORT
' fCType : SHORT
' fSqlType : SHORT
' cbColDef : DWORD
' ibScale : SHORT
' rgbValue : void* in/out
' cbValueMax : INT
' pcbValue : INT* in/out
Declare PtrSafe Function SQLBindParameter Lib "odbc32" ( _
    ByVal hstmt As LongPtr, _
    ByVal ipar As Integer, _
    ByVal fParamType As Integer, _
    ByVal fCType As Integer, _
    ByVal fSqlType As Integer, _
    ByVal cbColDef As Long, _
    ByVal ibScale As Integer, _
    ByVal rgbValue As LongPtr, _
    ByVal cbValueMax As Long, _
    ByRef pcbValue As Long) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SQLBindParameter = ctypes.windll.odbc32.SQLBindParameter
SQLBindParameter.restype = ctypes.c_short
SQLBindParameter.argtypes = [
    ctypes.POINTER(None),  # hstmt : void* in/out
    ctypes.c_ushort,  # ipar : WORD
    ctypes.c_short,  # fParamType : SHORT
    ctypes.c_short,  # fCType : SHORT
    ctypes.c_short,  # fSqlType : SHORT
    wintypes.DWORD,  # cbColDef : DWORD
    ctypes.c_short,  # ibScale : SHORT
    ctypes.POINTER(None),  # rgbValue : void* in/out
    ctypes.c_int,  # cbValueMax : INT
    ctypes.POINTER(ctypes.c_int),  # pcbValue : INT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLBindParameter = Fiddle::Function.new(
  lib['SQLBindParameter'],
  [
    Fiddle::TYPE_VOIDP,  # hstmt : void* in/out
    -Fiddle::TYPE_SHORT,  # ipar : WORD
    Fiddle::TYPE_SHORT,  # fParamType : SHORT
    Fiddle::TYPE_SHORT,  # fCType : SHORT
    Fiddle::TYPE_SHORT,  # fSqlType : SHORT
    -Fiddle::TYPE_INT,  # cbColDef : DWORD
    Fiddle::TYPE_SHORT,  # ibScale : SHORT
    Fiddle::TYPE_VOIDP,  # rgbValue : void* in/out
    Fiddle::TYPE_INT,  # cbValueMax : INT
    Fiddle::TYPE_VOIDP,  # pcbValue : INT* in/out
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbc32")]
extern "system" {
    fn SQLBindParameter(
        hstmt: *mut (),  // void* in/out
        ipar: u16,  // WORD
        fParamType: i16,  // SHORT
        fCType: i16,  // SHORT
        fSqlType: i16,  // SHORT
        cbColDef: u32,  // DWORD
        ibScale: i16,  // SHORT
        rgbValue: *mut (),  // void* in/out
        cbValueMax: i32,  // INT
        pcbValue: *mut i32  // INT* in/out
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll")]
public static extern short SQLBindParameter(IntPtr hstmt, ushort ipar, short fParamType, short fCType, short fSqlType, uint cbColDef, short ibScale, IntPtr rgbValue, int cbValueMax, ref int pcbValue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLBindParameter' -Namespace Win32 -PassThru
# $api::SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue)

#uselib "ODBC32.dll"
#func global SQLBindParameter "SQLBindParameter" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SQLBindParameter hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, varptr(pcbValue)   ; 戻り値は stat
; hstmt : void* in/out -> "sptr"
; ipar : WORD -> "sptr"
; fParamType : SHORT -> "sptr"
; fCType : SHORT -> "sptr"
; fSqlType : SHORT -> "sptr"
; cbColDef : DWORD -> "sptr"
; ibScale : SHORT -> "sptr"
; rgbValue : void* in/out -> "sptr"
; cbValueMax : INT -> "sptr"
; pcbValue : INT* in/out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

出力引数:

#uselib "ODBC32.dll"
#cfunc global SQLBindParameter "SQLBindParameter" sptr, int, int, int, int, int, int, sptr, int, var
; res = SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue)
; hstmt : void* in/out -> "sptr"
; ipar : WORD -> "int"
; fParamType : SHORT -> "int"
; fCType : SHORT -> "int"
; fSqlType : SHORT -> "int"
; cbColDef : DWORD -> "int"
; ibScale : SHORT -> "int"
; rgbValue : void* in/out -> "sptr"
; cbValueMax : INT -> "int"
; pcbValue : INT* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "ODBC32.dll"
#cfunc global SQLBindParameter "SQLBindParameter" sptr, int, int, int, int, int, int, sptr, int, sptr
; res = SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, varptr(pcbValue))
; hstmt : void* in/out -> "sptr"
; ipar : WORD -> "int"
; fParamType : SHORT -> "int"
; fCType : SHORT -> "int"
; fSqlType : SHORT -> "int"
; cbColDef : DWORD -> "int"
; ibScale : SHORT -> "int"
; rgbValue : void* in/out -> "sptr"
; cbValueMax : INT -> "int"
; pcbValue : INT* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; SHORT SQLBindParameter(void* hstmt, WORD ipar, SHORT fParamType, SHORT fCType, SHORT fSqlType, DWORD cbColDef, SHORT ibScale, void* rgbValue, INT cbValueMax, INT* pcbValue)
#uselib "ODBC32.dll"
#cfunc global SQLBindParameter "SQLBindParameter" intptr, int, int, int, int, int, int, intptr, int, var
; res = SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue)
; hstmt : void* in/out -> "intptr"
; ipar : WORD -> "int"
; fParamType : SHORT -> "int"
; fCType : SHORT -> "int"
; fSqlType : SHORT -> "int"
; cbColDef : DWORD -> "int"
; ibScale : SHORT -> "int"
; rgbValue : void* in/out -> "intptr"
; cbValueMax : INT -> "int"
; pcbValue : INT* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; SHORT SQLBindParameter(void* hstmt, WORD ipar, SHORT fParamType, SHORT fCType, SHORT fSqlType, DWORD cbColDef, SHORT ibScale, void* rgbValue, INT cbValueMax, INT* pcbValue)
#uselib "ODBC32.dll"
#cfunc global SQLBindParameter "SQLBindParameter" intptr, int, int, int, int, int, int, intptr, int, intptr
; res = SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, varptr(pcbValue))
; hstmt : void* in/out -> "intptr"
; ipar : WORD -> "int"
; fParamType : SHORT -> "int"
; fCType : SHORT -> "int"
; fSqlType : SHORT -> "int"
; cbColDef : DWORD -> "int"
; ibScale : SHORT -> "int"
; rgbValue : void* in/out -> "intptr"
; cbValueMax : INT -> "int"
; pcbValue : INT* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	odbc32 = windows.NewLazySystemDLL("ODBC32.dll")
	procSQLBindParameter = odbc32.NewProc("SQLBindParameter")
)

// hstmt (void* in/out), ipar (WORD), fParamType (SHORT), fCType (SHORT), fSqlType (SHORT), cbColDef (DWORD), ibScale (SHORT), rgbValue (void* in/out), cbValueMax (INT), pcbValue (INT* in/out)
r1, _, err := procSQLBindParameter.Call(
	uintptr(hstmt),
	uintptr(ipar),
	uintptr(fParamType),
	uintptr(fCType),
	uintptr(fSqlType),
	uintptr(cbColDef),
	uintptr(ibScale),
	uintptr(rgbValue),
	uintptr(cbValueMax),
	uintptr(pcbValue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLBindParameter(
  hstmt: Pointer;   // void* in/out
  ipar: Word;   // WORD
  fParamType: Smallint;   // SHORT
  fCType: Smallint;   // SHORT
  fSqlType: Smallint;   // SHORT
  cbColDef: DWORD;   // DWORD
  ibScale: Smallint;   // SHORT
  rgbValue: Pointer;   // void* in/out
  cbValueMax: Integer;   // INT
  pcbValue: Pointer   // INT* in/out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLBindParameter';

result := DllCall("ODBC32\SQLBindParameter"
    , "Ptr", hstmt   ; void* in/out
    , "UShort", ipar   ; WORD
    , "Short", fParamType   ; SHORT
    , "Short", fCType   ; SHORT
    , "Short", fSqlType   ; SHORT
    , "UInt", cbColDef   ; DWORD
    , "Short", ibScale   ; SHORT
    , "Ptr", rgbValue   ; void* in/out
    , "Int", cbValueMax   ; INT
    , "Ptr", pcbValue   ; INT* in/out
    , "Short")   ; return: SHORT

●SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue) = DLL("ODBC32.dll", "int SQLBindParameter(void*, int, int, int, int, dword, int, void*, int, void*)")
# 呼び出し: SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue)
# hstmt : void* in/out -> "void*"
# ipar : WORD -> "int"
# fParamType : SHORT -> "int"
# fCType : SHORT -> "int"
# fSqlType : SHORT -> "int"
# cbColDef : DWORD -> "dword"
# ibScale : SHORT -> "int"
# rgbValue : void* in/out -> "void*"
# cbValueMax : INT -> "int"
# pcbValue : INT* in/out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "odbc32" fn SQLBindParameter(
    hstmt: ?*anyopaque, // void* in/out
    ipar: u16, // WORD
    fParamType: i16, // SHORT
    fCType: i16, // SHORT
    fSqlType: i16, // SHORT
    cbColDef: u32, // DWORD
    ibScale: i16, // SHORT
    rgbValue: ?*anyopaque, // void* in/out
    cbValueMax: i32, // INT
    pcbValue: [*c]i32 // INT* in/out
) callconv(std.os.windows.WINAPI) i16;

proc SQLBindParameter(
    hstmt: pointer,  # void* in/out
    ipar: uint16,  # WORD
    fParamType: int16,  # SHORT
    fCType: int16,  # SHORT
    fSqlType: int16,  # SHORT
    cbColDef: uint32,  # DWORD
    ibScale: int16,  # SHORT
    rgbValue: pointer,  # void* in/out
    cbValueMax: int32,  # INT
    pcbValue: ptr int32  # INT* in/out
): int16 {.importc: "SQLBindParameter", stdcall, dynlib: "ODBC32.dll".}

pragma(lib, "odbc32");
extern(Windows)
short SQLBindParameter(
    void* hstmt,   // void* in/out
    ushort ipar,   // WORD
    short fParamType,   // SHORT
    short fCType,   // SHORT
    short fSqlType,   // SHORT
    uint cbColDef,   // DWORD
    short ibScale,   // SHORT
    void* rgbValue,   // void* in/out
    int cbValueMax,   // INT
    int* pcbValue   // INT* in/out
);

ccall((:SQLBindParameter, "ODBC32.dll"), stdcall, Int16,
      (Ptr{Cvoid}, UInt16, Int16, Int16, Int16, UInt32, Int16, Ptr{Cvoid}, Int32, Ptr{Int32}),
      hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue)
# hstmt : void* in/out -> Ptr{Cvoid}
# ipar : WORD -> UInt16
# fParamType : SHORT -> Int16
# fCType : SHORT -> Int16
# fSqlType : SHORT -> Int16
# cbColDef : DWORD -> UInt32
# ibScale : SHORT -> Int16
# rgbValue : void* in/out -> Ptr{Cvoid}
# cbValueMax : INT -> Int32
# pcbValue : INT* in/out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int16_t SQLBindParameter(
    void* hstmt,
    uint16_t ipar,
    int16_t fParamType,
    int16_t fCType,
    int16_t fSqlType,
    uint32_t cbColDef,
    int16_t ibScale,
    void* rgbValue,
    int32_t cbValueMax,
    int32_t* pcbValue);
]]
local odbc32 = ffi.load("odbc32")
-- odbc32.SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue)
-- hstmt : void* in/out
-- ipar : WORD
-- fParamType : SHORT
-- fCType : SHORT
-- fSqlType : SHORT
-- cbColDef : DWORD
-- ibScale : SHORT
-- rgbValue : void* in/out
-- cbValueMax : INT
-- pcbValue : INT* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('ODBC32.dll');
const SQLBindParameter = lib.func('__stdcall', 'SQLBindParameter', 'int16_t', ['void *', 'uint16_t', 'int16_t', 'int16_t', 'int16_t', 'uint32_t', 'int16_t', 'void *', 'int32_t', 'int32_t *']);
// SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue)
// hstmt : void* in/out -> 'void *'
// ipar : WORD -> 'uint16_t'
// fParamType : SHORT -> 'int16_t'
// fCType : SHORT -> 'int16_t'
// fSqlType : SHORT -> 'int16_t'
// cbColDef : DWORD -> 'uint32_t'
// ibScale : SHORT -> 'int16_t'
// rgbValue : void* in/out -> 'void *'
// cbValueMax : INT -> 'int32_t'
// pcbValue : INT* in/out -> 'int32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("ODBC32.dll", {
  SQLBindParameter: { parameters: ["pointer", "u16", "i16", "i16", "i16", "u32", "i16", "pointer", "i32", "pointer"], result: "i16" },
});
// lib.symbols.SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue)
// hstmt : void* in/out -> "pointer"
// ipar : WORD -> "u16"
// fParamType : SHORT -> "i16"
// fCType : SHORT -> "i16"
// fSqlType : SHORT -> "i16"
// cbColDef : DWORD -> "u32"
// ibScale : SHORT -> "i16"
// rgbValue : void* in/out -> "pointer"
// cbValueMax : INT -> "i32"
// pcbValue : INT* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int16_t SQLBindParameter(
    void* hstmt,
    uint16_t ipar,
    int16_t fParamType,
    int16_t fCType,
    int16_t fSqlType,
    uint32_t cbColDef,
    int16_t ibScale,
    void* rgbValue,
    int32_t cbValueMax,
    int32_t* pcbValue);
C, "ODBC32.dll");
// $ffi->SQLBindParameter(hstmt, ipar, fParamType, fCType, fSqlType, cbColDef, ibScale, rgbValue, cbValueMax, pcbValue);
// hstmt : void* in/out
// ipar : WORD
// fParamType : SHORT
// fCType : SHORT
// fSqlType : SHORT
// cbColDef : DWORD
// ibScale : SHORT
// rgbValue : void* in/out
// cbValueMax : INT
// pcbValue : INT* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Odbc32 extends StdCallLibrary {
    Odbc32 INSTANCE = Native.load("odbc32", Odbc32.class);
    short SQLBindParameter(
        Pointer hstmt,   // void* in/out
        short ipar,   // WORD
        short fParamType,   // SHORT
        short fCType,   // SHORT
        short fSqlType,   // SHORT
        int cbColDef,   // DWORD
        short ibScale,   // SHORT
        Pointer rgbValue,   // void* in/out
        int cbValueMax,   // INT
        IntByReference pcbValue   // INT* in/out
    );
}

@[Link("odbc32")]
lib LibODBC32
  fun SQLBindParameter = SQLBindParameter(
    hstmt : Void*,   # void* in/out
    ipar : UInt16,   # WORD
    fParamType : Int16,   # SHORT
    fCType : Int16,   # SHORT
    fSqlType : Int16,   # SHORT
    cbColDef : UInt32,   # DWORD
    ibScale : Int16,   # SHORT
    rgbValue : Void*,   # void* in/out
    cbValueMax : Int32,   # INT
    pcbValue : Int32*   # INT* in/out
  ) : Int16
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SQLBindParameterNative = Int16 Function(Pointer<Void>, Uint16, Int16, Int16, Int16, Uint32, Int16, Pointer<Void>, Int32, Pointer<Int32>);
typedef SQLBindParameterDart = int Function(Pointer<Void>, int, int, int, int, int, int, Pointer<Void>, int, Pointer<Int32>);
final SQLBindParameter = DynamicLibrary.open('ODBC32.dll')
    .lookupFunction<SQLBindParameterNative, SQLBindParameterDart>('SQLBindParameter');
// hstmt : void* in/out -> Pointer<Void>
// ipar : WORD -> Uint16
// fParamType : SHORT -> Int16
// fCType : SHORT -> Int16
// fSqlType : SHORT -> Int16
// cbColDef : DWORD -> Uint32
// ibScale : SHORT -> Int16
// rgbValue : void* in/out -> Pointer<Void>
// cbValueMax : INT -> Int32
// pcbValue : INT* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SQLBindParameter(
  hstmt: Pointer;   // void* in/out
  ipar: Word;   // WORD
  fParamType: Smallint;   // SHORT
  fCType: Smallint;   // SHORT
  fSqlType: Smallint;   // SHORT
  cbColDef: DWORD;   // DWORD
  ibScale: Smallint;   // SHORT
  rgbValue: Pointer;   // void* in/out
  cbValueMax: Integer;   // INT
  pcbValue: Pointer   // INT* in/out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLBindParameter';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SQLBindParameter"
  c_SQLBindParameter :: Ptr () -> Word16 -> Int16 -> Int16 -> Int16 -> Word32 -> Int16 -> Ptr () -> Int32 -> Ptr Int32 -> IO Int16
-- hstmt : void* in/out -> Ptr ()
-- ipar : WORD -> Word16
-- fParamType : SHORT -> Int16
-- fCType : SHORT -> Int16
-- fSqlType : SHORT -> Int16
-- cbColDef : DWORD -> Word32
-- ibScale : SHORT -> Int16
-- rgbValue : void* in/out -> Ptr ()
-- cbValueMax : INT -> Int32
-- pcbValue : INT* in/out -> Ptr Int32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let sqlbindparameter =
  foreign "SQLBindParameter"
    ((ptr void) @-> uint16_t @-> int16_t @-> int16_t @-> int16_t @-> uint32_t @-> int16_t @-> (ptr void) @-> int32_t @-> (ptr int32_t) @-> returning int16_t)
(* hstmt : void* in/out -> (ptr void) *)
(* ipar : WORD -> uint16_t *)
(* fParamType : SHORT -> int16_t *)
(* fCType : SHORT -> int16_t *)
(* fSqlType : SHORT -> int16_t *)
(* cbColDef : DWORD -> uint32_t *)
(* ibScale : SHORT -> int16_t *)
(* rgbValue : void* in/out -> (ptr void) *)
(* cbValueMax : INT -> int32_t *)
(* pcbValue : INT* in/out -> (ptr int32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library odbc32 (t "ODBC32.dll"))
(cffi:use-foreign-library odbc32)

(cffi:defcfun ("SQLBindParameter" sqlbind-parameter :convention :stdcall) :int16
  (hstmt :pointer)   ; void* in/out
  (ipar :uint16)   ; WORD
  (f-param-type :int16)   ; SHORT
  (f-ctype :int16)   ; SHORT
  (f-sql-type :int16)   ; SHORT
  (cb-col-def :uint32)   ; DWORD
  (ib-scale :int16)   ; SHORT
  (rgb-value :pointer)   ; void* in/out
  (cb-value-max :int32)   ; INT
  (pcb-value :pointer))   ; INT* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SQLBindParameter = Win32::API::More->new('ODBC32',
    'short SQLBindParameter(LPVOID hstmt, WORD ipar, short fParamType, short fCType, short fSqlType, DWORD cbColDef, short ibScale, LPVOID rgbValue, int cbValueMax, LPVOID pcbValue)');
# my $ret = $SQLBindParameter->Call($hstmt, $ipar, $fParamType, $fCType, $fSqlType, $cbColDef, $ibScale, $rgbValue, $cbValueMax, $pcbValue);
# hstmt : void* in/out -> LPVOID
# ipar : WORD -> WORD
# fParamType : SHORT -> short
# fCType : SHORT -> short
# fSqlType : SHORT -> short
# cbColDef : DWORD -> DWORD
# ibScale : SHORT -> short
# rgbValue : void* in/out -> LPVOID
# cbValueMax : INT -> int
# pcbValue : INT* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。