SQLGetDiagRecA

関数

診断レコードのSQLState・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 SQLGetDiagRecA(
    SHORT fHandleType,
    void* handle,
    SHORT iRecord,
    BYTE* szSqlState,   // optional
    INT* pfNativeError,
    BYTE* szErrorMsg,   // optional
    SHORT cbErrorMsgMax,
    SHORT* pcbErrorMsg
);

パラメーター

名前	型	方向
fHandleType	SHORT	in
handle	void*	inout
iRecord	SHORT	in
szSqlState	BYTE*	outoptional
pfNativeError	INT*	inout
szErrorMsg	BYTE*	outoptional
cbErrorMsgMax	SHORT	in
pcbErrorMsg	SHORT*	inout

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 SQLGetDiagRecA(
    SHORT fHandleType,
    void* handle,
    SHORT iRecord,
    BYTE* szSqlState,   // optional
    INT* pfNativeError,
    BYTE* szErrorMsg,   // optional
    SHORT cbErrorMsgMax,
    SHORT* pcbErrorMsg
);

[DllImport("ODBC32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern short SQLGetDiagRecA(
    short fHandleType,   // SHORT
    IntPtr handle,   // void* in/out
    short iRecord,   // SHORT
    IntPtr szSqlState,   // BYTE* optional, out
    ref int pfNativeError,   // INT* in/out
    IntPtr szErrorMsg,   // BYTE* optional, out
    short cbErrorMsgMax,   // SHORT
    ref short pcbErrorMsg   // SHORT* in/out
);

<DllImport("ODBC32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SQLGetDiagRecA(
    fHandleType As Short,   ' SHORT
    handle As IntPtr,   ' void* in/out
    iRecord As Short,   ' SHORT
    szSqlState As IntPtr,   ' BYTE* optional, out
    ByRef pfNativeError As Integer,   ' INT* in/out
    szErrorMsg As IntPtr,   ' BYTE* optional, out
    cbErrorMsgMax As Short,   ' SHORT
    ByRef pcbErrorMsg As Short   ' SHORT* in/out
) As Short
End Function

' fHandleType : SHORT
' handle : void* in/out
' iRecord : SHORT
' szSqlState : BYTE* optional, out
' pfNativeError : INT* in/out
' szErrorMsg : BYTE* optional, out
' cbErrorMsgMax : SHORT
' pcbErrorMsg : SHORT* in/out
Declare PtrSafe Function SQLGetDiagRecA Lib "odbc32" ( _
    ByVal fHandleType As Integer, _
    ByVal handle As LongPtr, _
    ByVal iRecord As Integer, _
    ByVal szSqlState As LongPtr, _
    ByRef pfNativeError As Long, _
    ByVal szErrorMsg As LongPtr, _
    ByVal cbErrorMsgMax As Integer, _
    ByRef pcbErrorMsg 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

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

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "odbc32")]
extern "system" {
    fn SQLGetDiagRecA(
        fHandleType: i16,  // SHORT
        handle: *mut (),  // void* in/out
        iRecord: i16,  // SHORT
        szSqlState: *mut u8,  // BYTE* optional, out
        pfNativeError: *mut i32,  // INT* in/out
        szErrorMsg: *mut u8,  // BYTE* optional, out
        cbErrorMsgMax: i16,  // SHORT
        pcbErrorMsg: *mut i16  // SHORT* in/out
    ) -> i16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ODBC32.dll", CharSet = CharSet.Ansi)]
public static extern short SQLGetDiagRecA(short fHandleType, IntPtr handle, short iRecord, IntPtr szSqlState, ref int pfNativeError, IntPtr szErrorMsg, short cbErrorMsgMax, ref short pcbErrorMsg);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ODBC32_SQLGetDiagRecA' -Namespace Win32 -PassThru
# $api::SQLGetDiagRecA(fHandleType, handle, iRecord, szSqlState, pfNativeError, szErrorMsg, cbErrorMsgMax, pcbErrorMsg)

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

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

function SQLGetDiagRecA(
  fHandleType: Smallint;   // SHORT
  handle: Pointer;   // void* in/out
  iRecord: Smallint;   // SHORT
  szSqlState: Pointer;   // BYTE* optional, out
  pfNativeError: Pointer;   // INT* in/out
  szErrorMsg: Pointer;   // BYTE* optional, out
  cbErrorMsgMax: Smallint;   // SHORT
  pcbErrorMsg: Pointer   // SHORT* in/out
): Smallint; stdcall;
  external 'ODBC32.dll' name 'SQLGetDiagRecA';

result := DllCall("ODBC32\SQLGetDiagRecA"
    , "Short", fHandleType   ; SHORT
    , "Ptr", handle   ; void* in/out
    , "Short", iRecord   ; SHORT
    , "Ptr", szSqlState   ; BYTE* optional, out
    , "Ptr", pfNativeError   ; INT* in/out
    , "Ptr", szErrorMsg   ; BYTE* optional, out
    , "Short", cbErrorMsgMax   ; SHORT
    , "Ptr", pcbErrorMsg   ; SHORT* in/out
    , "Short")   ; return: SHORT

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