SQLGetDescRecA

関数

記述子レコードの複数フィールド値をまとめて取得する(ANSI)。

DLLODBC32.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

// ODBC32.dll  (ANSI / -A)
#include <windows.h>

SHORT SQLGetDescRecA(
    void* hdesc,
    SHORT iRecord,
    BYTE* szName,   // optional
    SHORT cbNameMax,
    SHORT* pcbName,   // optional
    SHORT* pfType,   // optional
    SHORT* pfSubType,   // optional
    INT* pLength,   // optional
    SHORT* pPrecision,   // optional
    SHORT* pScale,   // optional
    SHORT* pNullable   // optional
);

パラメーター

名前	型	方向
hdesc	void*	inout
iRecord	SHORT	in
szName	BYTE*	outoptional
cbNameMax	SHORT	in
pcbName	SHORT*	outoptional
pfType	SHORT*	outoptional
pfSubType	SHORT*	outoptional
pLength	INT*	outoptional
pPrecision	SHORT*	outoptional
pScale	SHORT*	outoptional
pNullable	SHORT*	outoptional

戻り値の型: SHORT

各言語での呼び出し定義

// ODBC32.dll  (ANSI / -A)
#include <windows.h>

SHORT SQLGetDescRecA(
    void* hdesc,
    SHORT iRecord,
    BYTE* szName,   // optional
    SHORT cbNameMax,
    SHORT* pcbName,   // optional
    SHORT* pfType,   // optional
    SHORT* pfSubType,   // optional
    INT* pLength,   // optional
    SHORT* pPrecision,   // optional
    SHORT* pScale,   // optional
    SHORT* pNullable   // optional
);

[DllImport("ODBC32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern short SQLGetDescRecA(
    IntPtr hdesc,   // void* in/out
    short iRecord,   // SHORT
    IntPtr szName,   // BYTE* optional, out
    short cbNameMax,   // SHORT
    IntPtr pcbName,   // SHORT* optional, out
    IntPtr pfType,   // SHORT* optional, out
    IntPtr pfSubType,   // SHORT* optional, out
    IntPtr pLength,   // INT* optional, out
    IntPtr pPrecision,   // SHORT* optional, out
    IntPtr pScale,   // SHORT* optional, out
    IntPtr pNullable   // SHORT* optional, out
);

<DllImport("ODBC32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SQLGetDescRecA(
    hdesc As IntPtr,   ' void* in/out
    iRecord As Short,   ' SHORT
    szName As IntPtr,   ' BYTE* optional, out
    cbNameMax As Short,   ' SHORT
    pcbName As IntPtr,   ' SHORT* optional, out
    pfType As IntPtr,   ' SHORT* optional, out
    pfSubType As IntPtr,   ' SHORT* optional, out
    pLength As IntPtr,   ' INT* optional, out
    pPrecision As IntPtr,   ' SHORT* optional, out
    pScale As IntPtr,   ' SHORT* optional, out
    pNullable As IntPtr   ' SHORT* optional, out
) As Short
End Function

' hdesc : void* in/out
' iRecord : SHORT
' szName : BYTE* optional, out
' cbNameMax : SHORT
' pcbName : SHORT* optional, out
' pfType : SHORT* optional, out
' pfSubType : SHORT* optional, out
' pLength : INT* optional, out
' pPrecision : SHORT* optional, out
' pScale : SHORT* optional, out
' pNullable : SHORT* optional, out
Declare PtrSafe Function SQLGetDescRecA Lib "odbc32" ( _
    ByVal hdesc As LongPtr, _
    ByVal iRecord As Integer, _
    ByVal szName As LongPtr, _
    ByVal cbNameMax As Integer, _
    ByVal pcbName As LongPtr, _
    ByVal pfType As LongPtr, _
    ByVal pfSubType As LongPtr, _
    ByVal pLength As LongPtr, _
    ByVal pPrecision As LongPtr, _
    ByVal pScale As LongPtr, _
    ByVal pNullable As LongPtr) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SQLGetDescRecA = ctypes.windll.odbc32.SQLGetDescRecA
SQLGetDescRecA.restype = ctypes.c_short
SQLGetDescRecA.argtypes = [
    ctypes.POINTER(None),  # hdesc : void* in/out
    ctypes.c_short,  # iRecord : SHORT
    ctypes.POINTER(ctypes.c_ubyte),  # szName : BYTE* optional, out
    ctypes.c_short,  # cbNameMax : SHORT
    ctypes.POINTER(ctypes.c_short),  # pcbName : SHORT* optional, out
    ctypes.POINTER(ctypes.c_short),  # pfType : SHORT* optional, out
    ctypes.POINTER(ctypes.c_short),  # pfSubType : SHORT* optional, out
    ctypes.POINTER(ctypes.c_int),  # pLength : INT* optional, out
    ctypes.POINTER(ctypes.c_short),  # pPrecision : SHORT* optional, out
    ctypes.POINTER(ctypes.c_short),  # pScale : SHORT* optional, out
    ctypes.POINTER(ctypes.c_short),  # pNullable : SHORT* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLGetDescRecA = Fiddle::Function.new(
  lib['SQLGetDescRecA'],
  [
    Fiddle::TYPE_VOIDP,  # hdesc : void* in/out
    Fiddle::TYPE_SHORT,  # iRecord : SHORT
    Fiddle::TYPE_VOIDP,  # szName : BYTE* optional, out
    Fiddle::TYPE_SHORT,  # cbNameMax : SHORT
    Fiddle::TYPE_VOIDP,  # pcbName : SHORT* optional, out
    Fiddle::TYPE_VOIDP,  # pfType : SHORT* optional, out
    Fiddle::TYPE_VOIDP,  # pfSubType : SHORT* optional, out
    Fiddle::TYPE_VOIDP,  # pLength : INT* optional, out
    Fiddle::TYPE_VOIDP,  # pPrecision : SHORT* optional, out
    Fiddle::TYPE_VOIDP,  # pScale : SHORT* optional, out
    Fiddle::TYPE_VOIDP,  # pNullable : SHORT* optional, out
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbc32")]
extern "system" {
    fn SQLGetDescRecA(
        hdesc: *mut (),  // void* in/out
        iRecord: i16,  // SHORT
        szName: *mut u8,  // BYTE* optional, out
        cbNameMax: i16,  // SHORT
        pcbName: *mut i16,  // SHORT* optional, out
        pfType: *mut i16,  // SHORT* optional, out
        pfSubType: *mut i16,  // SHORT* optional, out
        pLength: *mut i32,  // INT* optional, out
        pPrecision: *mut i16,  // SHORT* optional, out
        pScale: *mut i16,  // SHORT* optional, out
        pNullable: *mut i16  // SHORT* optional, out
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi)]
public static extern short SQLGetDescRecA(IntPtr hdesc, short iRecord, IntPtr szName, short cbNameMax, IntPtr pcbName, IntPtr pfType, IntPtr pfSubType, IntPtr pLength, IntPtr pPrecision, IntPtr pScale, IntPtr pNullable);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLGetDescRecA' -Namespace Win32 -PassThru
# $api::SQLGetDescRecA(hdesc, iRecord, szName, cbNameMax, pcbName, pfType, pfSubType, pLength, pPrecision, pScale, pNullable)

#uselib "ODBC32.dll"
#func global SQLGetDescRecA "SQLGetDescRecA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SQLGetDescRecA hdesc, iRecord, varptr(szName), cbNameMax, varptr(pcbName), varptr(pfType), varptr(pfSubType), varptr(pLength), varptr(pPrecision), varptr(pScale), varptr(pNullable)   ; 戻り値は stat
; hdesc : void* in/out -> "sptr"
; iRecord : SHORT -> "sptr"
; szName : BYTE* optional, out -> "sptr"
; cbNameMax : SHORT -> "sptr"
; pcbName : SHORT* optional, out -> "sptr"
; pfType : SHORT* optional, out -> "sptr"
; pfSubType : SHORT* optional, out -> "sptr"
; pLength : INT* optional, out -> "sptr"
; pPrecision : SHORT* optional, out -> "sptr"
; pScale : SHORT* optional, out -> "sptr"
; pNullable : SHORT* optional, 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 SQLGetDescRecA "SQLGetDescRecA" sptr, int, var, int, var, var, var, var, var, var, var
; res = SQLGetDescRecA(hdesc, iRecord, szName, cbNameMax, pcbName, pfType, pfSubType, pLength, pPrecision, pScale, pNullable)
; hdesc : void* in/out -> "sptr"
; iRecord : SHORT -> "int"
; szName : BYTE* optional, out -> "var"
; cbNameMax : SHORT -> "int"
; pcbName : SHORT* optional, out -> "var"
; pfType : SHORT* optional, out -> "var"
; pfSubType : SHORT* optional, out -> "var"
; pLength : INT* optional, out -> "var"
; pPrecision : SHORT* optional, out -> "var"
; pScale : SHORT* optional, out -> "var"
; pNullable : SHORT* optional, 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 SQLGetDescRecA "SQLGetDescRecA" sptr, int, sptr, int, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; res = SQLGetDescRecA(hdesc, iRecord, varptr(szName), cbNameMax, varptr(pcbName), varptr(pfType), varptr(pfSubType), varptr(pLength), varptr(pPrecision), varptr(pScale), varptr(pNullable))
; hdesc : void* in/out -> "sptr"
; iRecord : SHORT -> "int"
; szName : BYTE* optional, out -> "sptr"
; cbNameMax : SHORT -> "int"
; pcbName : SHORT* optional, out -> "sptr"
; pfType : SHORT* optional, out -> "sptr"
; pfSubType : SHORT* optional, out -> "sptr"
; pLength : INT* optional, out -> "sptr"
; pPrecision : SHORT* optional, out -> "sptr"
; pScale : SHORT* optional, out -> "sptr"
; pNullable : SHORT* optional, 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 SQLGetDescRecA(void* hdesc, SHORT iRecord, BYTE* szName, SHORT cbNameMax, SHORT* pcbName, SHORT* pfType, SHORT* pfSubType, INT* pLength, SHORT* pPrecision, SHORT* pScale, SHORT* pNullable)
#uselib "ODBC32.dll"
#cfunc global SQLGetDescRecA "SQLGetDescRecA" intptr, int, var, int, var, var, var, var, var, var, var
; res = SQLGetDescRecA(hdesc, iRecord, szName, cbNameMax, pcbName, pfType, pfSubType, pLength, pPrecision, pScale, pNullable)
; hdesc : void* in/out -> "intptr"
; iRecord : SHORT -> "int"
; szName : BYTE* optional, out -> "var"
; cbNameMax : SHORT -> "int"
; pcbName : SHORT* optional, out -> "var"
; pfType : SHORT* optional, out -> "var"
; pfSubType : SHORT* optional, out -> "var"
; pLength : INT* optional, out -> "var"
; pPrecision : SHORT* optional, out -> "var"
; pScale : SHORT* optional, out -> "var"
; pNullable : SHORT* optional, 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 SQLGetDescRecA(void* hdesc, SHORT iRecord, BYTE* szName, SHORT cbNameMax, SHORT* pcbName, SHORT* pfType, SHORT* pfSubType, INT* pLength, SHORT* pPrecision, SHORT* pScale, SHORT* pNullable)
#uselib "ODBC32.dll"
#cfunc global SQLGetDescRecA "SQLGetDescRecA" intptr, int, intptr, int, intptr, intptr, intptr, intptr, intptr, intptr, intptr
; res = SQLGetDescRecA(hdesc, iRecord, varptr(szName), cbNameMax, varptr(pcbName), varptr(pfType), varptr(pfSubType), varptr(pLength), varptr(pPrecision), varptr(pScale), varptr(pNullable))
; hdesc : void* in/out -> "intptr"
; iRecord : SHORT -> "int"
; szName : BYTE* optional, out -> "intptr"
; cbNameMax : SHORT -> "int"
; pcbName : SHORT* optional, out -> "intptr"
; pfType : SHORT* optional, out -> "intptr"
; pfSubType : SHORT* optional, out -> "intptr"
; pLength : INT* optional, out -> "intptr"
; pPrecision : SHORT* optional, out -> "intptr"
; pScale : SHORT* optional, out -> "intptr"
; pNullable : SHORT* optional, 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")
	procSQLGetDescRecA = odbc32.NewProc("SQLGetDescRecA")
)

// hdesc (void* in/out), iRecord (SHORT), szName (BYTE* optional, out), cbNameMax (SHORT), pcbName (SHORT* optional, out), pfType (SHORT* optional, out), pfSubType (SHORT* optional, out), pLength (INT* optional, out), pPrecision (SHORT* optional, out), pScale (SHORT* optional, out), pNullable (SHORT* optional, out)
r1, _, err := procSQLGetDescRecA.Call(
	uintptr(hdesc),
	uintptr(iRecord),
	uintptr(szName),
	uintptr(cbNameMax),
	uintptr(pcbName),
	uintptr(pfType),
	uintptr(pfSubType),
	uintptr(pLength),
	uintptr(pPrecision),
	uintptr(pScale),
	uintptr(pNullable),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLGetDescRecA(
  hdesc: Pointer;   // void* in/out
  iRecord: Smallint;   // SHORT
  szName: Pointer;   // BYTE* optional, out
  cbNameMax: Smallint;   // SHORT
  pcbName: Pointer;   // SHORT* optional, out
  pfType: Pointer;   // SHORT* optional, out
  pfSubType: Pointer;   // SHORT* optional, out
  pLength: Pointer;   // INT* optional, out
  pPrecision: Pointer;   // SHORT* optional, out
  pScale: Pointer;   // SHORT* optional, out
  pNullable: Pointer   // SHORT* optional, out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLGetDescRecA';

result := DllCall("ODBC32\SQLGetDescRecA"
    , "Ptr", hdesc   ; void* in/out
    , "Short", iRecord   ; SHORT
    , "Ptr", szName   ; BYTE* optional, out
    , "Short", cbNameMax   ; SHORT
    , "Ptr", pcbName   ; SHORT* optional, out
    , "Ptr", pfType   ; SHORT* optional, out
    , "Ptr", pfSubType   ; SHORT* optional, out
    , "Ptr", pLength   ; INT* optional, out
    , "Ptr", pPrecision   ; SHORT* optional, out
    , "Ptr", pScale   ; SHORT* optional, out
    , "Ptr", pNullable   ; SHORT* optional, out
    , "Short")   ; return: SHORT

●SQLGetDescRecA(hdesc, iRecord, szName, cbNameMax, pcbName, pfType, pfSubType, pLength, pPrecision, pScale, pNullable) = DLL("ODBC32.dll", "int SQLGetDescRecA(void*, int, void*, int, void*, void*, void*, void*, void*, void*, void*)")
# 呼び出し: SQLGetDescRecA(hdesc, iRecord, szName, cbNameMax, pcbName, pfType, pfSubType, pLength, pPrecision, pScale, pNullable)
# hdesc : void* in/out -> "void*"
# iRecord : SHORT -> "int"
# szName : BYTE* optional, out -> "void*"
# cbNameMax : SHORT -> "int"
# pcbName : SHORT* optional, out -> "void*"
# pfType : SHORT* optional, out -> "void*"
# pfSubType : SHORT* optional, out -> "void*"
# pLength : INT* optional, out -> "void*"
# pPrecision : SHORT* optional, out -> "void*"
# pScale : SHORT* optional, out -> "void*"
# pNullable : SHORT* optional, 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)。