hvdemo.mco

eXtremeDB数据库在Linux平台下的使用源码。内含多个示例程序

/****************************************************************
 *                                                              *
 * Copyright (c) 2001-2007 McObject LLC. All Right Reserved.    *
 *                                                              *
 ****************************************************************/

declare database hvddb;

#define int1      signed<1>
#define int2      signed<2>
#define int4      signed<4>
#define int8      signed<8>
#define uint8     unsigned<8>
#define uint4     unsigned<4>
#define uint2     unsigned<2>
#define uint1     unsigned<1>

//declare auto_oid [10000]; 

class Obj {
	unsigned<4>		index;
	string			value;
	
	tree <index>	index;
};
 
struct Grad {
	double A, B;
	uint4 n_steps;
};

struct Vis
{
	float fValue;
	uint4 iRGB;
	Grad  gradient;
};

struct StructType {
	uint4 struct_f_uint4=10000;
	uint2 struct_f_uint2=1000;
	uint1 struct_f_uint1=100;
	string struct_f_string;
	uint4  struct_a_uint4[5];
	blob  f_blob;
};

struct NestedType {

	char<10>   nested_f_char10;
	StructType nested_f_struct;
	int1       nested_f_int1[10] = {101,102,103,104,105,106,107,108,109,110};
};

struct OIDstruct {
	char<25> id;
};
declare oid OIDstruct[10000];

class Measurement
{
	uint8   f_uint8;
	uint4   f_uint4 = 2;
	uint2   f_uint2 = 3;
	uint1   f_uint1 = 4;

	int8    f_int8;
	int4    f_int4  = 6;
	int2    f_int2  = 7;
	int1    f_int1  = 8;

	float   f_float = 9.1;
	double  f_double= 10.2;
	time    f_time  = 11;
	date    f_date  = 12;

	char<20> f_char10;
	string   f_string;

	uint8   a_uint8[5];
	uint4   a_uint4[5] = {20,21,22,23};
	uint2   a_uint2[5] = {25,26,27,29,29};
	uint1   a_uint1[5] = {30,31,32,33,34};

	int8    a_int8[5];
	int4    a_int4[5] = {40,41,42,43,44};
	int2    a_int2[5] = {45,46,47,48,49};
	int1    a_int1[5] = {50,51,52,53,54};

	float   a_float[5] = {55.1, 56.1, 57.1, 58.1, 59.1};
	double  a_double[5] = {60.1, 61.1, 62.1, 63.1, 64.1};
	time    a_time[5] = {65,66,67,68,69};
	date    a_date[5] = {70,71,72,73,74};

	char<20> a_char10[5];
	string   a_string[5];

	vector <uint8>  v_uint8;
	vector <uint4>  v_uint4;
	vector <uint2>  v_uint2;
	vector <uint1>  v_uint1;

	vector <int8>   v_int8;
	vector <int4>   v_int4;
	vector <int2>   v_int2;
	vector <int1>   v_int1;

	vector <float>  v_float;
	vector <double> v_double;
	vector <time>   v_time;
	vector <date>   v_date;
	
	vector <char<20>> v_char10;
	vector <string>   v_string;

	StructType f_struct;
	optional StructType f_struct_opt;
	NestedType          f_nested;
	StructType a_struct[5];
	vector<StructType> v_struct;

	autoid[10000];
	oid;

	ref   f_ref;

	blob  f_blob;
	
	tree <f_uint4> tree_by_f_uint4;
	hash <f_uint4> hash_by_f_uint4 [10000];
	tree <f_uint4, f_uint2> tree_by_f_uint4_f_uint2;
	hash <f_uint4, f_uint2> hash_by_f_uint4_f_uint2 [10000];

	tree <f_struct.struct_f_uint4> tree_by_struct_f_uint4;
	hash <f_struct.struct_f_uint4> hash_by_struct_f_uint4[10000];

	tree <v_uint4> tree_by_v_uint4;
	hash <v_uint4> hash_by_v_uint4 [10000];

	tree <v_struct.struct_f_uint4> tree_by_v_struct_uint4;
	hash <v_struct.struct_f_uint4> hash_by_v_struct_uint4 [10000];

	list;
};

struct Dyn
{
	string s;
};

struct DynStruct
{
	string s;
};
struct FixedStruct
{
	uint4 u4;
	uint8 u8;
};

class AllTypes
{
	time                            time_in;

	uint1                           u1;
	uint2             u2;
	uint4                           u4;
	uint8                           u8;

	vector<uint4>    v_uint4;

	//int4                vint4[200];				  /* integer array */
	//FixedStruct fs[200];
	//DynStruct       ds[100];

	//blob blo;

	autoid[2000];
	list;

};