SQLErrorA

関数

直前のODBC関数の診断エラー情報を取得する(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 SQLErrorA(
    void* henv,
    void* hdbc,
    void* hstmt,
    BYTE* szSqlState,
    INT* pfNativeError,   // optional
    BYTE* szErrorMsg,   // optional
    SHORT cbErrorMsgMax,
    SHORT* pcbErrorMsg   // optional
);

パラメーター

名前	型	方向
henv	void*	inout
hdbc	void*	inout
hstmt	void*	inout
szSqlState	BYTE*	out
pfNativeError	INT*	outoptional
szErrorMsg	BYTE*	outoptional
cbErrorMsgMax	SHORT	in
pcbErrorMsg	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 SQLErrorA(
    void* henv,
    void* hdbc,
    void* hstmt,
    BYTE* szSqlState,
    INT* pfNativeError,   // optional
    BYTE* szErrorMsg,   // optional
    SHORT cbErrorMsgMax,
    SHORT* pcbErrorMsg   // optional
);

[DllImport("ODBC32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern short SQLErrorA(
    IntPtr henv,   // void* in/out
    IntPtr hdbc,   // void* in/out
    IntPtr hstmt,   // void* in/out
    IntPtr szSqlState,   // BYTE* out
    IntPtr pfNativeError,   // INT* optional, out
    IntPtr szErrorMsg,   // BYTE* optional, out
    short cbErrorMsgMax,   // SHORT
    IntPtr pcbErrorMsg   // SHORT* optional, out
);

<DllImport("ODBC32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SQLErrorA(
    henv As IntPtr,   ' void* in/out
    hdbc As IntPtr,   ' void* in/out
    hstmt As IntPtr,   ' void* in/out
    szSqlState As IntPtr,   ' BYTE* out
    pfNativeError As IntPtr,   ' INT* optional, out
    szErrorMsg As IntPtr,   ' BYTE* optional, out
    cbErrorMsgMax As Short,   ' SHORT
    pcbErrorMsg As IntPtr   ' SHORT* optional, out
) As Short
End Function

' henv : void* in/out
' hdbc : void* in/out
' hstmt : void* in/out
' szSqlState : BYTE* out
' pfNativeError : INT* optional, out
' szErrorMsg : BYTE* optional, out
' cbErrorMsgMax : SHORT
' pcbErrorMsg : SHORT* optional, out
Declare PtrSafe Function SQLErrorA Lib "odbc32" ( _
    ByVal henv As LongPtr, _
    ByVal hdbc As LongPtr, _
    ByVal hstmt As LongPtr, _
    ByVal szSqlState As LongPtr, _
    ByVal pfNativeError As LongPtr, _
    ByVal szErrorMsg As LongPtr, _
    ByVal cbErrorMsgMax As Integer, _
    ByVal pcbErrorMsg 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

SQLErrorA = ctypes.windll.odbc32.SQLErrorA
SQLErrorA.restype = ctypes.c_short
SQLErrorA.argtypes = [
    ctypes.POINTER(None),  # henv : void* in/out
    ctypes.POINTER(None),  # hdbc : void* in/out
    ctypes.POINTER(None),  # hstmt : void* in/out
    ctypes.POINTER(ctypes.c_ubyte),  # szSqlState : BYTE* out
    ctypes.POINTER(ctypes.c_int),  # pfNativeError : INT* optional, out
    ctypes.POINTER(ctypes.c_ubyte),  # szErrorMsg : BYTE* optional, out
    ctypes.c_short,  # cbErrorMsgMax : SHORT
    ctypes.POINTER(ctypes.c_short),  # pcbErrorMsg : SHORT* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ODBC32.dll')
SQLErrorA = Fiddle::Function.new(
  lib['SQLErrorA'],
  [
    Fiddle::TYPE_VOIDP,  # henv : void* in/out
    Fiddle::TYPE_VOIDP,  # hdbc : void* in/out
    Fiddle::TYPE_VOIDP,  # hstmt : void* in/out
    Fiddle::TYPE_VOIDP,  # szSqlState : BYTE* out
    Fiddle::TYPE_VOIDP,  # pfNativeError : INT* optional, out
    Fiddle::TYPE_VOIDP,  # szErrorMsg : BYTE* optional, out
    Fiddle::TYPE_SHORT,  # cbErrorMsgMax : SHORT
    Fiddle::TYPE_VOIDP,  # pcbErrorMsg : SHORT* optional, out
  ],
  Fiddle::TYPE_SHORT)

#[link(name = "odbc32")]
extern "system" {
    fn SQLErrorA(
        henv: *mut (),  // void* in/out
        hdbc: *mut (),  // void* in/out
        hstmt: *mut (),  // void* in/out
        szSqlState: *mut u8,  // BYTE* out
        pfNativeError: *mut i32,  // INT* optional, out
        szErrorMsg: *mut u8,  // BYTE* optional, out
        cbErrorMsgMax: i16,  // SHORT
        pcbErrorMsg: *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 SQLErrorA(IntPtr henv, IntPtr hdbc, IntPtr hstmt, IntPtr szSqlState, IntPtr pfNativeError, IntPtr szErrorMsg, short cbErrorMsgMax, IntPtr pcbErrorMsg);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLErrorA' -Namespace Win32 -PassThru
# $api::SQLErrorA(henv, hdbc, hstmt, szSqlState, pfNativeError, szErrorMsg, cbErrorMsgMax, pcbErrorMsg)

#uselib "ODBC32.dll"
#func global SQLErrorA "SQLErrorA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SQLErrorA henv, hdbc, hstmt, varptr(szSqlState), varptr(pfNativeError), varptr(szErrorMsg), cbErrorMsgMax, varptr(pcbErrorMsg)   ; 戻り値は stat
; henv : void* in/out -> "sptr"
; hdbc : void* in/out -> "sptr"
; hstmt : void* in/out -> "sptr"
; szSqlState : BYTE* out -> "sptr"
; pfNativeError : INT* optional, out -> "sptr"
; szErrorMsg : BYTE* optional, out -> "sptr"
; cbErrorMsgMax : SHORT -> "sptr"
; pcbErrorMsg : 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 SQLErrorA "SQLErrorA" sptr, sptr, sptr, var, var, var, int, var
; res = SQLErrorA(henv, hdbc, hstmt, szSqlState, pfNativeError, szErrorMsg, cbErrorMsgMax, pcbErrorMsg)
; henv : void* in/out -> "sptr"
; hdbc : void* in/out -> "sptr"
; hstmt : void* in/out -> "sptr"
; szSqlState : BYTE* out -> "var"
; pfNativeError : INT* optional, out -> "var"
; szErrorMsg : BYTE* optional, out -> "var"
; cbErrorMsgMax : SHORT -> "int"
; pcbErrorMsg : 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 SQLErrorA "SQLErrorA" sptr, sptr, sptr, sptr, sptr, sptr, int, sptr
; res = SQLErrorA(henv, hdbc, hstmt, varptr(szSqlState), varptr(pfNativeError), varptr(szErrorMsg), cbErrorMsgMax, varptr(pcbErrorMsg))
; henv : void* in/out -> "sptr"
; hdbc : void* in/out -> "sptr"
; hstmt : void* in/out -> "sptr"
; szSqlState : BYTE* out -> "sptr"
; pfNativeError : INT* optional, out -> "sptr"
; szErrorMsg : BYTE* optional, out -> "sptr"
; cbErrorMsgMax : SHORT -> "int"
; pcbErrorMsg : 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 SQLErrorA(void* henv, void* hdbc, void* hstmt, BYTE* szSqlState, INT* pfNativeError, BYTE* szErrorMsg, SHORT cbErrorMsgMax, SHORT* pcbErrorMsg)
#uselib "ODBC32.dll"
#cfunc global SQLErrorA "SQLErrorA" intptr, intptr, intptr, var, var, var, int, var
; res = SQLErrorA(henv, hdbc, hstmt, szSqlState, pfNativeError, szErrorMsg, cbErrorMsgMax, pcbErrorMsg)
; henv : void* in/out -> "intptr"
; hdbc : void* in/out -> "intptr"
; hstmt : void* in/out -> "intptr"
; szSqlState : BYTE* out -> "var"
; pfNativeError : INT* optional, out -> "var"
; szErrorMsg : BYTE* optional, out -> "var"
; cbErrorMsgMax : SHORT -> "int"
; pcbErrorMsg : 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 SQLErrorA(void* henv, void* hdbc, void* hstmt, BYTE* szSqlState, INT* pfNativeError, BYTE* szErrorMsg, SHORT cbErrorMsgMax, SHORT* pcbErrorMsg)
#uselib "ODBC32.dll"
#cfunc global SQLErrorA "SQLErrorA" intptr, intptr, intptr, intptr, intptr, intptr, int, intptr
; res = SQLErrorA(henv, hdbc, hstmt, varptr(szSqlState), varptr(pfNativeError), varptr(szErrorMsg), cbErrorMsgMax, varptr(pcbErrorMsg))
; henv : void* in/out -> "intptr"
; hdbc : void* in/out -> "intptr"
; hstmt : void* in/out -> "intptr"
; szSqlState : BYTE* out -> "intptr"
; pfNativeError : INT* optional, out -> "intptr"
; szErrorMsg : BYTE* optional, out -> "intptr"
; cbErrorMsgMax : SHORT -> "int"
; pcbErrorMsg : 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")
	procSQLErrorA = odbc32.NewProc("SQLErrorA")
)

// henv (void* in/out), hdbc (void* in/out), hstmt (void* in/out), szSqlState (BYTE* out), pfNativeError (INT* optional, out), szErrorMsg (BYTE* optional, out), cbErrorMsgMax (SHORT), pcbErrorMsg (SHORT* optional, out)
r1, _, err := procSQLErrorA.Call(
	uintptr(henv),
	uintptr(hdbc),
	uintptr(hstmt),
	uintptr(szSqlState),
	uintptr(pfNativeError),
	uintptr(szErrorMsg),
	uintptr(cbErrorMsgMax),
	uintptr(pcbErrorMsg),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // SHORT

function SQLErrorA(
  henv: Pointer;   // void* in/out
  hdbc: Pointer;   // void* in/out
  hstmt: Pointer;   // void* in/out
  szSqlState: Pointer;   // BYTE* out
  pfNativeError: Pointer;   // INT* optional, out
  szErrorMsg: Pointer;   // BYTE* optional, out
  cbErrorMsgMax: Smallint;   // SHORT
  pcbErrorMsg: Pointer   // SHORT* optional, out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLErrorA';

result := DllCall("ODBC32\SQLErrorA"
    , "Ptr", henv   ; void* in/out
    , "Ptr", hdbc   ; void* in/out
    , "Ptr", hstmt   ; void* in/out
    , "Ptr", szSqlState   ; BYTE* out
    , "Ptr", pfNativeError   ; INT* optional, out
    , "Ptr", szErrorMsg   ; BYTE* optional, out
    , "Short", cbErrorMsgMax   ; SHORT
    , "Ptr", pcbErrorMsg   ; SHORT* optional, out
    , "Short")   ; return: SHORT

●SQLErrorA(henv, hdbc, hstmt, szSqlState, pfNativeError, szErrorMsg, cbErrorMsgMax, pcbErrorMsg) = DLL("ODBC32.dll", "int SQLErrorA(void*, void*, void*, void*, void*, void*, int, void*)")
# 呼び出し: SQLErrorA(henv, hdbc, hstmt, szSqlState, pfNativeError, szErrorMsg, cbErrorMsgMax, pcbErrorMsg)
# henv : void* in/out -> "void*"
# hdbc : void* in/out -> "void*"
# hstmt : void* in/out -> "void*"
# szSqlState : BYTE* out -> "void*"
# pfNativeError : INT* optional, out -> "void*"
# szErrorMsg : BYTE* optional, out -> "void*"
# cbErrorMsgMax : SHORT -> "int"
# pcbErrorMsg : 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)。