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SQLSpecialColumnsA

関数

行を一意に識別する列や更新で変化する列の情報を取得する。

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 SQLSpecialColumnsA(
    void* hstmt,
    WORD fColType,
    BYTE* szCatalogName,   // optional
    SHORT cbCatalogName,
    BYTE* szSchemaName,   // optional
    SHORT cbSchemaName,
    BYTE* szTableName,   // optional
    SHORT cbTableName,
    WORD fScope,
    WORD fNullable
);

パラメーター

名前	型	方向
hstmt	void*	inout
fColType	WORD	in
szCatalogName	BYTE*	inoptional
cbCatalogName	SHORT	in
szSchemaName	BYTE*	inoptional
cbSchemaName	SHORT	in
szTableName	BYTE*	inoptional
cbTableName	SHORT	in
fScope	WORD	in
fNullable	WORD	in

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 SQLSpecialColumnsA(
    void* hstmt,
    WORD fColType,
    BYTE* szCatalogName,   // optional
    SHORT cbCatalogName,
    BYTE* szSchemaName,   // optional
    SHORT cbSchemaName,
    BYTE* szTableName,   // optional
    SHORT cbTableName,
    WORD fScope,
    WORD fNullable
);

[DllImport("ODBC32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern short SQLSpecialColumnsA(
    IntPtr hstmt,   // void* in/out
    ushort fColType,   // WORD
    IntPtr szCatalogName,   // BYTE* optional
    short cbCatalogName,   // SHORT
    IntPtr szSchemaName,   // BYTE* optional
    short cbSchemaName,   // SHORT
    IntPtr szTableName,   // BYTE* optional
    short cbTableName,   // SHORT
    ushort fScope,   // WORD
    ushort fNullable   // WORD
);

<DllImport("ODBC32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SQLSpecialColumnsA(
    hstmt As IntPtr,   ' void* in/out
    fColType As UShort,   ' WORD
    szCatalogName As IntPtr,   ' BYTE* optional
    cbCatalogName As Short,   ' SHORT
    szSchemaName As IntPtr,   ' BYTE* optional
    cbSchemaName As Short,   ' SHORT
    szTableName As IntPtr,   ' BYTE* optional
    cbTableName As Short,   ' SHORT
    fScope As UShort,   ' WORD
    fNullable As UShort   ' WORD
) As Short
End Function

' hstmt : void* in/out
' fColType : WORD
' szCatalogName : BYTE* optional
' cbCatalogName : SHORT
' szSchemaName : BYTE* optional
' cbSchemaName : SHORT
' szTableName : BYTE* optional
' cbTableName : SHORT
' fScope : WORD
' fNullable : WORD
Declare PtrSafe Function SQLSpecialColumnsA Lib "odbc32" ( _
    ByVal hstmt As LongPtr, _
    ByVal fColType As Integer, _
    ByVal szCatalogName As LongPtr, _
    ByVal cbCatalogName As Integer, _
    ByVal szSchemaName As LongPtr, _
    ByVal cbSchemaName As Integer, _
    ByVal szTableName As LongPtr, _
    ByVal cbTableName As Integer, _
    ByVal fScope As Integer, _
    ByVal fNullable As Integer) As Integer
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SQLSpecialColumnsA = ctypes.windll.odbc32.SQLSpecialColumnsA
SQLSpecialColumnsA.restype = ctypes.c_short
SQLSpecialColumnsA.argtypes = [
    ctypes.POINTER(None),  # hstmt : void* in/out
    ctypes.c_ushort,  # fColType : WORD
    ctypes.POINTER(ctypes.c_ubyte),  # szCatalogName : BYTE* optional
    ctypes.c_short,  # cbCatalogName : SHORT
    ctypes.POINTER(ctypes.c_ubyte),  # szSchemaName : BYTE* optional
    ctypes.c_short,  # cbSchemaName : SHORT
    ctypes.POINTER(ctypes.c_ubyte),  # szTableName : BYTE* optional
    ctypes.c_short,  # cbTableName : SHORT
    ctypes.c_ushort,  # fScope : WORD
    ctypes.c_ushort,  # fNullable : WORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLSpecialColumnsA = Fiddle::Function.new(
  lib['SQLSpecialColumnsA'],
  [
    Fiddle::TYPE_VOIDP,  # hstmt : void* in/out
    -Fiddle::TYPE_SHORT,  # fColType : WORD
    Fiddle::TYPE_VOIDP,  # szCatalogName : BYTE* optional
    Fiddle::TYPE_SHORT,  # cbCatalogName : SHORT
    Fiddle::TYPE_VOIDP,  # szSchemaName : BYTE* optional
    Fiddle::TYPE_SHORT,  # cbSchemaName : SHORT
    Fiddle::TYPE_VOIDP,  # szTableName : BYTE* optional
    Fiddle::TYPE_SHORT,  # cbTableName : SHORT
    -Fiddle::TYPE_SHORT,  # fScope : WORD
    -Fiddle::TYPE_SHORT,  # fNullable : WORD
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbc32")]
extern "system" {
    fn SQLSpecialColumnsA(
        hstmt: *mut (),  // void* in/out
        fColType: u16,  // WORD
        szCatalogName: *mut u8,  // BYTE* optional
        cbCatalogName: i16,  // SHORT
        szSchemaName: *mut u8,  // BYTE* optional
        cbSchemaName: i16,  // SHORT
        szTableName: *mut u8,  // BYTE* optional
        cbTableName: i16,  // SHORT
        fScope: u16,  // WORD
        fNullable: u16  // WORD
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi)]
public static extern short SQLSpecialColumnsA(IntPtr hstmt, ushort fColType, IntPtr szCatalogName, short cbCatalogName, IntPtr szSchemaName, short cbSchemaName, IntPtr szTableName, short cbTableName, ushort fScope, ushort fNullable);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLSpecialColumnsA' -Namespace Win32 -PassThru
# $api::SQLSpecialColumnsA(hstmt, fColType, szCatalogName, cbCatalogName, szSchemaName, cbSchemaName, szTableName, cbTableName, fScope, fNullable)

#uselib "ODBC32.dll"
#func global SQLSpecialColumnsA "SQLSpecialColumnsA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SQLSpecialColumnsA hstmt, fColType, varptr(szCatalogName), cbCatalogName, varptr(szSchemaName), cbSchemaName, varptr(szTableName), cbTableName, fScope, fNullable   ; 戻り値は stat
; hstmt : void* in/out -> "sptr"
; fColType : WORD -> "sptr"
; szCatalogName : BYTE* optional -> "sptr"
; cbCatalogName : SHORT -> "sptr"
; szSchemaName : BYTE* optional -> "sptr"
; cbSchemaName : SHORT -> "sptr"
; szTableName : BYTE* optional -> "sptr"
; cbTableName : SHORT -> "sptr"
; fScope : WORD -> "sptr"
; fNullable : WORD -> "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 SQLSpecialColumnsA "SQLSpecialColumnsA" sptr, int, var, int, var, int, var, int, int, int
; res = SQLSpecialColumnsA(hstmt, fColType, szCatalogName, cbCatalogName, szSchemaName, cbSchemaName, szTableName, cbTableName, fScope, fNullable)
; hstmt : void* in/out -> "sptr"
; fColType : WORD -> "int"
; szCatalogName : BYTE* optional -> "var"
; cbCatalogName : SHORT -> "int"
; szSchemaName : BYTE* optional -> "var"
; cbSchemaName : SHORT -> "int"
; szTableName : BYTE* optional -> "var"
; cbTableName : SHORT -> "int"
; fScope : WORD -> "int"
; fNullable : WORD -> "int"
; ※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 SQLSpecialColumnsA "SQLSpecialColumnsA" sptr, int, sptr, int, sptr, int, sptr, int, int, int
; res = SQLSpecialColumnsA(hstmt, fColType, varptr(szCatalogName), cbCatalogName, varptr(szSchemaName), cbSchemaName, varptr(szTableName), cbTableName, fScope, fNullable)
; hstmt : void* in/out -> "sptr"
; fColType : WORD -> "int"
; szCatalogName : BYTE* optional -> "sptr"
; cbCatalogName : SHORT -> "int"
; szSchemaName : BYTE* optional -> "sptr"
; cbSchemaName : SHORT -> "int"
; szTableName : BYTE* optional -> "sptr"
; cbTableName : SHORT -> "int"
; fScope : WORD -> "int"
; fNullable : WORD -> "int"
; ※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 SQLSpecialColumnsA(void* hstmt, WORD fColType, BYTE* szCatalogName, SHORT cbCatalogName, BYTE* szSchemaName, SHORT cbSchemaName, BYTE* szTableName, SHORT cbTableName, WORD fScope, WORD fNullable)
#uselib "ODBC32.dll"
#cfunc global SQLSpecialColumnsA "SQLSpecialColumnsA" intptr, int, var, int, var, int, var, int, int, int
; res = SQLSpecialColumnsA(hstmt, fColType, szCatalogName, cbCatalogName, szSchemaName, cbSchemaName, szTableName, cbTableName, fScope, fNullable)
; hstmt : void* in/out -> "intptr"
; fColType : WORD -> "int"
; szCatalogName : BYTE* optional -> "var"
; cbCatalogName : SHORT -> "int"
; szSchemaName : BYTE* optional -> "var"
; cbSchemaName : SHORT -> "int"
; szTableName : BYTE* optional -> "var"
; cbTableName : SHORT -> "int"
; fScope : WORD -> "int"
; fNullable : WORD -> "int"
; ※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 SQLSpecialColumnsA(void* hstmt, WORD fColType, BYTE* szCatalogName, SHORT cbCatalogName, BYTE* szSchemaName, SHORT cbSchemaName, BYTE* szTableName, SHORT cbTableName, WORD fScope, WORD fNullable)
#uselib "ODBC32.dll"
#cfunc global SQLSpecialColumnsA "SQLSpecialColumnsA" intptr, int, intptr, int, intptr, int, intptr, int, int, int
; res = SQLSpecialColumnsA(hstmt, fColType, varptr(szCatalogName), cbCatalogName, varptr(szSchemaName), cbSchemaName, varptr(szTableName), cbTableName, fScope, fNullable)
; hstmt : void* in/out -> "intptr"
; fColType : WORD -> "int"
; szCatalogName : BYTE* optional -> "intptr"
; cbCatalogName : SHORT -> "int"
; szSchemaName : BYTE* optional -> "intptr"
; cbSchemaName : SHORT -> "int"
; szTableName : BYTE* optional -> "intptr"
; cbTableName : SHORT -> "int"
; fScope : WORD -> "int"
; fNullable : WORD -> "int"
; ※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")
	procSQLSpecialColumnsA = odbc32.NewProc("SQLSpecialColumnsA")
)

// hstmt (void* in/out), fColType (WORD), szCatalogName (BYTE* optional), cbCatalogName (SHORT), szSchemaName (BYTE* optional), cbSchemaName (SHORT), szTableName (BYTE* optional), cbTableName (SHORT), fScope (WORD), fNullable (WORD)
r1, _, err := procSQLSpecialColumnsA.Call(
	uintptr(hstmt),
	uintptr(fColType),
	uintptr(szCatalogName),
	uintptr(cbCatalogName),
	uintptr(szSchemaName),
	uintptr(cbSchemaName),
	uintptr(szTableName),
	uintptr(cbTableName),
	uintptr(fScope),
	uintptr(fNullable),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLSpecialColumnsA(
  hstmt: Pointer;   // void* in/out
  fColType: Word;   // WORD
  szCatalogName: Pointer;   // BYTE* optional
  cbCatalogName: Smallint;   // SHORT
  szSchemaName: Pointer;   // BYTE* optional
  cbSchemaName: Smallint;   // SHORT
  szTableName: Pointer;   // BYTE* optional
  cbTableName: Smallint;   // SHORT
  fScope: Word;   // WORD
  fNullable: Word   // WORD
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLSpecialColumnsA';

result := DllCall("ODBC32\SQLSpecialColumnsA"
    , "Ptr", hstmt   ; void* in/out
    , "UShort", fColType   ; WORD
    , "Ptr", szCatalogName   ; BYTE* optional
    , "Short", cbCatalogName   ; SHORT
    , "Ptr", szSchemaName   ; BYTE* optional
    , "Short", cbSchemaName   ; SHORT
    , "Ptr", szTableName   ; BYTE* optional
    , "Short", cbTableName   ; SHORT
    , "UShort", fScope   ; WORD
    , "UShort", fNullable   ; WORD
    , "Short")   ; return: SHORT

●SQLSpecialColumnsA(hstmt, fColType, szCatalogName, cbCatalogName, szSchemaName, cbSchemaName, szTableName, cbTableName, fScope, fNullable) = DLL("ODBC32.dll", "int SQLSpecialColumnsA(void*, int, void*, int, void*, int, void*, int, int, int)")
# 呼び出し: SQLSpecialColumnsA(hstmt, fColType, szCatalogName, cbCatalogName, szSchemaName, cbSchemaName, szTableName, cbTableName, fScope, fNullable)
# hstmt : void* in/out -> "void*"
# fColType : WORD -> "int"
# szCatalogName : BYTE* optional -> "void*"
# cbCatalogName : SHORT -> "int"
# szSchemaName : BYTE* optional -> "void*"
# cbSchemaName : SHORT -> "int"
# szTableName : BYTE* optional -> "void*"
# cbTableName : SHORT -> "int"
# fScope : WORD -> "int"
# fNullable : WORD -> "int"
# 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)。