C++ ODBCLOG函数代码示例

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本文整理汇总了C++中ODBCLOG函数的典型用法代码示例。如果您正苦于以下问题：C++ ODBCLOG函数的具体用法？C++ ODBCLOG怎么用？C++ ODBCLOG使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了ODBCLOG函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: SQLColAttributes

SQLRETURN SQL_API
SQLColAttributes(SQLHSTMT StatementHandle,
		 SQLUSMALLINT ColumnNumber,
		 SQLUSMALLINT FieldIdentifier,
		 SQLPOINTER CharacterAttributePtr,
		 SQLSMALLINT BufferLength,
		 SQLSMALLINT *StringLengthPtr,
		 SQLLEN *NumericAttributePtr)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLColAttributes " PTRFMT " %u %s\n",
		PTRFMTCAST StatementHandle,
		(unsigned int) ColumnNumber,
		translateFieldIdentifier(FieldIdentifier));
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	return SQLColAttributes_(stmt,
				 ColumnNumber,
				 FieldIdentifier,
				 CharacterAttributePtr,
				 BufferLength,
				 StringLengthPtr,
				 NumericAttributePtr);
}

开发者ID:Clay-Birkett，项目名称:monetdb，代码行数:31，代码来源:SQLColAttributes.c

示例2: SQLRowCount

SQLRETURN SQL_API
SQLRowCount(SQLHSTMT StatementHandle,
	    SQLLEN *RowCountPtr)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLRowCount %p\n", StatementHandle);
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	/* check statement cursor state, query should be executed */
	if (stmt->State < EXECUTED0) {
		/* Function sequence error */
		addStmtError(stmt, "HY010", NULL, 0);
		return SQL_ERROR;
	}

	/* check output parameter */
	if (RowCountPtr == NULL) {
		/* Invalid use of null pointer */
		addStmtError(stmt, "HY009", NULL, 0);
		return SQL_ERROR;
	}

	/* We can now set the "number of result set rows" value */
	*RowCountPtr = (SQLLEN) stmt->rowcount;

	return SQL_SUCCESS;
}

开发者ID:MonetDB，项目名称:MonetDB，代码行数:34，代码来源:SQLRowCount.c

示例3: SQLColAttribute

SQLRETURN SQL_API
SQLColAttribute(SQLHSTMT StatementHandle,
		SQLUSMALLINT ColumnNumber,
		SQLUSMALLINT FieldIdentifier,
		SQLPOINTER CharacterAttributePtr,
		SQLSMALLINT BufferLength,
		SQLSMALLINT *StringLengthPtr,
		LENP_OR_POINTER_T NumericAttributePtr)
{
#ifdef ODBCDEBUG
	ODBCLOG("SQLColAttribute " PTRFMT " %s\n",
		PTRFMTCAST StatementHandle,
		translateFieldIdentifier(FieldIdentifier));
#endif

	if (!isValidStmt((ODBCStmt *) StatementHandle))
		return SQL_INVALID_HANDLE;

	clearStmtErrors((ODBCStmt *) StatementHandle);

	return SQLColAttribute_((ODBCStmt *) StatementHandle,
				ColumnNumber,
				FieldIdentifier,
				CharacterAttributePtr,
				BufferLength,
				StringLengthPtr,
				NumericAttributePtr);
}

开发者ID:jaiminpan，项目名称:Monetdb，代码行数:28，代码来源:SQLColAttribute.c

示例4: SQLSetParam

SQLRETURN SQL_API
SQLSetParam(SQLHSTMT StatementHandle,
	    SQLUSMALLINT ParameterNumber,
	    SQLSMALLINT ValueType,
	    SQLSMALLINT ParameterType,
	    SQLULEN LengthPrecision,
	    SQLSMALLINT ParameterScale,
	    SQLPOINTER ParameterValue,
	    SQLLEN *StrLen_or_Ind)
{
#ifdef ODBCDEBUG
	ODBCLOG("SQLSetParam " PTRFMT " %u %s %s " ULENFMT " %d\n",
		PTRFMTCAST StatementHandle, (unsigned int) ParameterNumber,
		translateCType(ValueType),
		translateSQLType(ParameterType),
		ULENCAST LengthPrecision, (int) ParameterScale);
#endif

	/* map this call to SQLBindParameter as described in ODBC 3.0 SDK help */
	return SQLBindParameter_((ODBCStmt *) StatementHandle,
				 ParameterNumber,
				 SQL_PARAM_INPUT_OUTPUT,
				 ValueType,
				 ParameterType,
				 LengthPrecision,
				 ParameterScale,
				 ParameterValue,
				 SQL_SETPARAM_VALUE_MAX,
				 StrLen_or_Ind);
}

开发者ID:Clay-Birkett，项目名称:monetdb，代码行数:30，代码来源:SQLSetParam.c

示例5: SQLGetStmtAttrW

SQLRETURN SQL_API
SQLGetStmtAttrW(SQLHSTMT StatementHandle,
                SQLINTEGER Attribute,
                SQLPOINTER ValuePtr,
                SQLINTEGER BufferLength,
                SQLINTEGER *StringLengthPtr)
{
#ifdef ODBCDEBUG
    ODBCLOG("SQLGetStmtAttrW " PTRFMT " %s " PTRFMT " %d " PTRFMT "\n",
            PTRFMTCAST StatementHandle, translateStmtAttribute(Attribute),
            PTRFMTCAST ValuePtr, (int) BufferLength,
            PTRFMTCAST StringLengthPtr);
#endif

    if (!isValidStmt((ODBCStmt *) StatementHandle))
        return SQL_INVALID_HANDLE;

    clearStmtErrors((ODBCStmt *) StatementHandle);

    /* there are no string-valued attributes */

    return MNDBGetStmtAttr((ODBCStmt *) StatementHandle,
                           Attribute,
                           ValuePtr,
                           BufferLength,
                           StringLengthPtr);
}

开发者ID:sekcheong，项目名称:monetdb，代码行数:27，代码来源:SQLGetStmtAttr.c

示例6: SQLGetDiagRec

SQLRETURN SQL_API
SQLGetDiagRec(SQLSMALLINT HandleType,
	      SQLHANDLE Handle,
	      SQLSMALLINT RecNumber,
	      SQLCHAR *SQLState,
	      SQLINTEGER *NativeErrorPtr,
	      SQLCHAR *MessageText,
	      SQLSMALLINT BufferLength,
	      SQLSMALLINT *TextLengthPtr)
{
#ifdef ODBCDEBUG
	ODBCLOG("SQLGetDiagRec %s " PTRFMT " %d %d\n",
		HandleType == SQL_HANDLE_ENV ? "Env" : HandleType == SQL_HANDLE_DBC ? "Dbc" : HandleType == SQL_HANDLE_STMT ? "Stmt" : "Desc",
		PTRFMTCAST Handle, (int) RecNumber, (int) BufferLength);
#endif

	return MNDBGetDiagRec(HandleType,
			      Handle,
			      RecNumber,
			      SQLState,
			      NativeErrorPtr,
			      MessageText,
			      BufferLength,
			      TextLengthPtr);
}

开发者ID:cswxu，项目名称:monetdb-mcs，代码行数:25，代码来源:SQLGetDiagRec.c

示例7: SQLGetDiagField

SQLRETURN SQL_API
SQLGetDiagField(SQLSMALLINT HandleType,
		SQLHANDLE Handle,
		SQLSMALLINT RecNumber,
		SQLSMALLINT DiagIdentifier,
		SQLPOINTER DiagInfoPtr,
		SQLSMALLINT BufferLength,
		SQLSMALLINT *StringLengthPtr)
{
#ifdef ODBCDEBUG
	ODBCLOG("SQLGetDiagField %s %p %d %s %p %d %p\n",
		HandleType == SQL_HANDLE_ENV ? "Env" : HandleType == SQL_HANDLE_DBC ? "Dbc" : HandleType == SQL_HANDLE_STMT ? "Stmt" : "Desc",
		Handle, (int) RecNumber,
		translateDiagIdentifier(DiagIdentifier),
		DiagInfoPtr,
		(int) BufferLength, StringLengthPtr);
#endif

	return MNDBGetDiagField(HandleType,
				Handle,
				RecNumber,
				DiagIdentifier,
				DiagInfoPtr,
				BufferLength,
				StringLengthPtr);
}

开发者ID:MonetDB，项目名称:MonetDB，代码行数:26，代码来源:SQLGetDiagField.c

示例8: SQLFetchScroll

SQLRETURN SQL_API
SQLFetchScroll(SQLHSTMT StatementHandle,
	       SQLSMALLINT FetchOrientation,
	       SQLLEN FetchOffset)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLFetchScroll %p %s " LENFMT "\n",
		StatementHandle,
		translateFetchOrientation(FetchOrientation),
		LENCAST FetchOffset);
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	/* check statement cursor state, query should be executed */
	if (stmt->State < EXECUTED0 || stmt->State == EXTENDEDFETCHED) {
		/* Function sequence error */
		addStmtError(stmt, "HY010", NULL, 0);
		return SQL_ERROR;
	}
	if (stmt->State == EXECUTED0) {
		/* Invalid cursor state */
		addStmtError(stmt, "24000", NULL, 0);
		return SQL_ERROR;
	}

	return MNDBFetchScroll(stmt, FetchOrientation, FetchOffset,
			       stmt->ImplRowDescr->sql_desc_array_status_ptr);
}

开发者ID:MonetDB，项目名称:MonetDB，代码行数:34，代码来源:SQLFetchScroll.c

示例9: SQLForeignKeys

SQLRETURN SQL_API
SQLForeignKeys(SQLHSTMT StatementHandle,
	       SQLCHAR *PKCatalogName,
	       SQLSMALLINT NameLength1,
	       SQLCHAR *PKSchemaName,
	       SQLSMALLINT NameLength2,
	       SQLCHAR *PKTableName,
	       SQLSMALLINT NameLength3,
	       SQLCHAR *FKCatalogName,
	       SQLSMALLINT NameLength4,
	       SQLCHAR *FKSchemaName,
	       SQLSMALLINT NameLength5,
	       SQLCHAR *FKTableName,
	       SQLSMALLINT NameLength6)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLForeignKeys " PTRFMT " ", PTRFMTCAST StatementHandle);
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	return SQLForeignKeys_(stmt, PKCatalogName, NameLength1,
			       PKSchemaName, NameLength2,
			       PKTableName, NameLength3,
			       FKCatalogName, NameLength4,
			       FKSchemaName, NameLength5,
			       FKTableName, NameLength6);
}

开发者ID:Clay-Birkett，项目名称:monetdb，代码行数:33，代码来源:SQLForeignKeys.c

示例10: SQLSpecialColumns

SQLRETURN SQL_API
SQLSpecialColumns(SQLHSTMT StatementHandle,
		  SQLUSMALLINT IdentifierType,
		  SQLCHAR *CatalogName,
		  SQLSMALLINT NameLength1,
		  SQLCHAR *SchemaName,
		  SQLSMALLINT NameLength2,
		  SQLCHAR *TableName,
		  SQLSMALLINT NameLength3,
		  SQLUSMALLINT Scope,
		  SQLUSMALLINT Nullable)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLSpecialColumns %p %s ",
		StatementHandle,
		translateIdentifierType(IdentifierType));
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	return MNDBSpecialColumns(stmt,
				  IdentifierType,
				  CatalogName, NameLength1,
				  SchemaName, NameLength2,
				  TableName, NameLength3,
				  Scope,
				  Nullable);
}

开发者ID:MonetDB，项目名称:MonetDB，代码行数:33，代码来源:SQLSpecialColumns.c

示例11: SQLColumns

SQLRETURN SQL_API
SQLColumns(SQLHSTMT StatementHandle,
	   SQLCHAR *CatalogName,
	   SQLSMALLINT NameLength1,
	   SQLCHAR *SchemaName,
	   SQLSMALLINT NameLength2,
	   SQLCHAR *TableName,
	   SQLSMALLINT NameLength3,
	   SQLCHAR *ColumnName,
	   SQLSMALLINT NameLength4)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLColumns " PTRFMT, PTRFMTCAST StatementHandle);
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	return SQLColumns_(stmt,
			   CatalogName, NameLength1,
			   SchemaName, NameLength2,
			   TableName, NameLength3,
			   ColumnName, NameLength4);
}

开发者ID:Clay-Birkett，项目名称:monetdb，代码行数:28，代码来源:SQLColumns.c

示例12: SQLDataSources

SQLRETURN SQL_API
SQLDataSources(SQLHENV EnvironmentHandle,
	       SQLUSMALLINT Direction,
	       SQLCHAR *ServerName,
	       SQLSMALLINT BufferLength1,
	       SQLSMALLINT *NameLength1,
	       SQLCHAR *Description,
	       SQLSMALLINT BufferLength2,
	       SQLSMALLINT *NameLength2)
{
	ODBCEnv *env = (ODBCEnv *) EnvironmentHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLDataSources " PTRFMT " %s\n",
		PTRFMTCAST EnvironmentHandle, translateDirection(Direction));
#endif

	if (!isValidEnv(env))
		return SQL_INVALID_HANDLE;

	clearEnvErrors(env);

	return MNDBDataSources(env, Direction,
			       ServerName, BufferLength1, NameLength1,
			       Description, BufferLength2, NameLength2);
}

开发者ID:f7753，项目名称:monetdb，代码行数:26，代码来源:SQLDataSources.c

示例13: SQLFetch

SQLRETURN SQL_API
SQLFetch(SQLHSTMT StatementHandle)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLFetch " PTRFMT "\n", PTRFMTCAST StatementHandle);
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	assert(stmt->hdl);

	/* check statement cursor state, query should be executed */
	if (stmt->State < EXECUTED0 || stmt->State == EXTENDEDFETCHED) {
		/* Function sequence error */
		addStmtError(stmt, "HY010", NULL, 0);
		return SQL_ERROR;
	}
	if (stmt->State == EXECUTED0) {
		/* Invalid cursor state */
		addStmtError(stmt, "24000", NULL, 0);
		return SQL_ERROR;
	}

	stmt->startRow += stmt->rowSetSize;

	return MNDBFetch(stmt, stmt->ImplRowDescr->sql_desc_array_status_ptr);
}

开发者ID:f7753，项目名称:monetdb，代码行数:32，代码来源:SQLFetch.c

示例14: SQLNumResultCols

SQLRETURN SQL_API
SQLNumResultCols(SQLHSTMT StatementHandle,
		 SQLSMALLINT *ColumnCountPtr)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLNumResultCols " PTRFMT "\n", PTRFMTCAST StatementHandle);
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	/* check statement cursor state, query should be prepared or executed */
	if (stmt->State == INITED) {
		/* Function sequence error */
		addStmtError(stmt, "HY010", NULL, 0);
		return SQL_ERROR;
	}

	/* check output parameter */
	if (ColumnCountPtr == NULL) {
		/* Invalid use of null pointer */
		addStmtError(stmt, "HY009", NULL, 0);
		return SQL_ERROR;
	}

	/* We can now set the "number of output columns" value */
	/* Note: row count can be 0 (for non SELECT queries) */
	*ColumnCountPtr = stmt->ImplRowDescr->sql_desc_count;

	return SQL_SUCCESS;
}

开发者ID:f7753，项目名称:monetdb，代码行数:35，代码来源:SQLNumResultCols.c

示例15: SQLProcedures

SQLRETURN SQL_API
SQLProcedures(SQLHSTMT StatementHandle,
	      SQLCHAR *CatalogName,
	      SQLSMALLINT NameLength1,
	      SQLCHAR *SchemaName,
	      SQLSMALLINT NameLength2,
	      SQLCHAR *ProcName,
	      SQLSMALLINT NameLength3)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;

#ifdef ODBCDEBUG
	ODBCLOG("SQLProcedures " PTRFMT " ", PTRFMTCAST StatementHandle);
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	return MNDBProcedures(stmt,
			      CatalogName, NameLength1,
			      SchemaName, NameLength2,
			      ProcName, NameLength3);
}

开发者ID:cswxu，项目名称:monetdb-mcs，代码行数:25，代码来源:SQLProcedures.c

示例16: SQLGetConnectAttr

SQLRETURN SQL_API
SQLGetConnectAttr(SQLHDBC ConnectionHandle,
		  SQLINTEGER Attribute,
		  SQLPOINTER ValuePtr,
		  SQLINTEGER BufferLength,
		  SQLINTEGER *StringLengthPtr)
{
#ifdef ODBCDEBUG
	ODBCLOG("SQLGetConnectAttr " PTRFMT " %s " PTRFMT " %d " PTRFMT "\n",
		PTRFMTCAST ConnectionHandle,
		translateConnectAttribute(Attribute),
		PTRFMTCAST ValuePtr, (int) BufferLength,
		PTRFMTCAST StringLengthPtr);
#endif

	if (!isValidDbc((ODBCDbc *) ConnectionHandle))
		return SQL_INVALID_HANDLE;

	clearDbcErrors((ODBCDbc *) ConnectionHandle);

	return MNDBGetConnectAttr((ODBCDbc *) ConnectionHandle,
				  Attribute,
				  ValuePtr,
				  BufferLength,
				  StringLengthPtr);
}

开发者ID:f7753，项目名称:monetdb，代码行数:26，代码来源:SQLGetConnectAttr.c

示例17: SQLSetScrollOptions

SQLRETURN SQL_API
SQLSetScrollOptions(SQLHSTMT StatementHandle,
		    SQLUSMALLINT fConcurrency,
		    SQLLEN crowKeyset,
		    SQLUSMALLINT crowRowset)
{
#ifdef ODBCDEBUG
	ODBCLOG("SQLSetScrollOptions " PTRFMT " %u " LENFMT " %u\n",
		PTRFMTCAST StatementHandle, (unsigned int) fConcurrency,
		LENCAST crowKeyset, (unsigned int) crowRowset);
#endif

	(void) fConcurrency;	/* Stefan: unused!? */
	(void) crowKeyset;	/* Stefan: unused!? */
	(void) crowRowset;	/* Stefan: unused!? */

	if (!isValidStmt((ODBCStmt *) StatementHandle))
		return SQL_INVALID_HANDLE;

	clearStmtErrors((ODBCStmt *) StatementHandle);

	/* TODO: implement the mapping to multiple SQLSetStmtAttr() calls */
	/* See ODBC 3.5 SDK Help file for details */

	/* for now return error */
	/* Driver does not support this function */
	addStmtError((ODBCStmt *) StatementHandle, "IM001", NULL, 0);
	return SQL_ERROR;
}

开发者ID:Clay-Birkett，项目名称:monetdb，代码行数:29，代码来源:SQLSetScrollOptions.c

示例18: SQLGetDiagRecW

SQLRETURN SQL_API
SQLGetDiagRecW(SQLSMALLINT HandleType,
	       SQLHANDLE Handle,
	       SQLSMALLINT RecNumber,
	       SQLWCHAR *SQLState,
	       SQLINTEGER *NativeErrorPtr,
	       SQLWCHAR *MessageText,
	       SQLSMALLINT BufferLength,
	       SQLSMALLINT *TextLengthPtr)
{
	SQLRETURN rc;
	SQLCHAR state[6];
	SQLCHAR msg[512];
	SQLSMALLINT n;

#ifdef ODBCDEBUG
	ODBCLOG("SQLGetDiagRecW %s " PTRFMT " %d %d\n",
		HandleType == SQL_HANDLE_ENV ? "Env" : HandleType == SQL_HANDLE_DBC ? "Dbc" : HandleType == SQL_HANDLE_STMT ? "Stmt" : "Desc",
		PTRFMTCAST Handle, (int) RecNumber, (int) BufferLength);
#endif


	rc = MNDBGetDiagRec(HandleType, Handle, RecNumber, state,
			    NativeErrorPtr, msg, (SQLSMALLINT) sizeof(msg), &n);
#ifdef ODBCDEBUG
	ODBCLOG("SQLGetDiagRecW: %s\n", SQL_SUCCEEDED(rc) ? (char *) msg : rc == SQL_NO_DATA ? "no error" : "failed");
#endif

	if (SQL_SUCCEEDED(rc)) {
		char *e = ODBCutf82wchar(state, 5, SQLState, 6, NULL);

		if (e)
			rc = SQL_ERROR;
	}

	if (SQL_SUCCEEDED(rc)) {
		char *e = ODBCutf82wchar(msg, n, MessageText,
					 BufferLength, &n);

		if (e)
			rc = SQL_ERROR;
		if (TextLengthPtr)
			*TextLengthPtr = n;
	}

	return rc;
}

开发者ID:cswxu，项目名称:monetdb-mcs，代码行数:47，代码来源:SQLGetDiagRec.c

示例19: SQLDescribeColW

SQLRETURN SQL_API
SQLDescribeColW(SQLHSTMT StatementHandle,
		SQLUSMALLINT ColumnNumber,
		SQLWCHAR *ColumnName,
		SQLSMALLINT BufferLength,
		SQLSMALLINT *NameLengthPtr,
		SQLSMALLINT *DataTypePtr,
		SQLULEN *ColumnSizePtr,
		SQLSMALLINT *DecimalDigitsPtr,
		SQLSMALLINT *NullablePtr)
{
	ODBCStmt *stmt = (ODBCStmt *) StatementHandle;
	SQLCHAR *colname;
	SQLSMALLINT n;
	SQLRETURN rc = SQL_ERROR;

#ifdef ODBCDEBUG
	ODBCLOG("SQLDescribeColW " PTRFMT " %u " PTRFMT " %d " PTRFMT " " PTRFMT " " PTRFMT " " PTRFMT " " PTRFMT "\n",
		PTRFMTCAST StatementHandle, (unsigned int) ColumnNumber,
		PTRFMTCAST ColumnName, (int) BufferLength,
		PTRFMTCAST NameLengthPtr, PTRFMTCAST DataTypePtr,
		PTRFMTCAST ColumnSizePtr, PTRFMTCAST DecimalDigitsPtr,
		PTRFMTCAST NullablePtr);
#endif

	if (!isValidStmt(stmt))
		 return SQL_INVALID_HANDLE;

	clearStmtErrors(stmt);

	rc = MNDBDescribeCol(stmt, ColumnNumber, NULL, 0, &n, DataTypePtr,
			     ColumnSizePtr, DecimalDigitsPtr, NullablePtr);
	if (!SQL_SUCCEEDED(rc))
		return rc;
	clearStmtErrors(stmt);
	n++;			/* account for NUL byte */
	colname = malloc(n);
	if (colname == NULL) {
		/* Memory allocation error */
		addStmtError(stmt, "HY001", NULL, 0);
		return SQL_ERROR;
	}
	rc = MNDBDescribeCol(stmt,
			     ColumnNumber,
			     colname,
			     n,
			     &n,
			     DataTypePtr,
			     ColumnSizePtr,
			     DecimalDigitsPtr,
			     NullablePtr);
	if (SQL_SUCCEEDED(rc)) {
		fixWcharOut(rc, colname, n, ColumnName, BufferLength,
			    NameLengthPtr, 1, addStmtError, stmt);
	}
	free(colname);

	return rc;
}

开发者ID:cswxu，项目名称:monetdb-mcs，代码行数:59，代码来源:SQLDescribeCol.c

示例20: isValidStmt

/*
 * Check if the statement handle is valid.
 * Note: this function is used internally by the driver to assert legal
 * and save usage of the handle and prevent crashes as much as possible.
 *
 * Precondition: none
 * Postcondition: returns 1 if it is a valid statement handle,
 * 	returns 0 if is invalid and thus an unusable handle.
 */
int
isValidStmt(ODBCStmt *stmt)
{
#ifdef ODBCDEBUG
	if (!(stmt &&stmt->Type == ODBC_STMT_MAGIC_NR))
		ODBCLOG("stmt " PTRFMT " not a valid statement handle\n", PTRFMTCAST stmt);
#endif
	return stmt &&stmt->Type == ODBC_STMT_MAGIC_NR;
}

开发者ID:Clay-Birkett，项目名称:monetdb，代码行数:18，代码来源:ODBCStmt.c

注：本文中的ODBCLOG函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。