本文整理汇总了C++中ObObj::set_double方法的典型用法代码示例。如果您正苦于以下问题：C++ ObObj::set_double方法的具体用法？C++ ObObj::set_double怎么用？C++ ObObj::set_double使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ObObj的用法示例。
在下文中一共展示了ObObj::set_double方法的2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，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: build_cell_
void CellinfoBuilder::build_cell_(struct drand48_data &rand_data, const ObString &row_key, const ObSchema &schema,
ObObj &obj, int64_t &column_pos, int &op_type,
PageArena<char> &allocer)
{
const ObColumnSchema *column_schema = schema.column_begin();
int64_t column_num = schema.column_end() - schema.column_begin();
int64_t rand = 0;
lrand48_r(&rand_data, &rand);
op_type = calc_op_type_(rand);
//while (true)
//{
// lrand48_r(&rand_data, &rand);
// column_pos = range_rand(0, column_num - 3, rand);
// if (ObIntType <= column_schema[column_pos].get_type()
// && ObVarcharType >= column_schema[column_pos].get_type())
// {
// break;
// }
//}
column_pos=0;
lrand48_r(&rand_data, &rand);
switch (column_schema[column_pos].get_type())
{
case ObIntType:
{
int64_t tmp = rand;
obj.set_int(tmp, ADD == op_type);
break;
}
case ObFloatType:
{
float tmp = static_cast<float>(rand);
obj.set_float(tmp, ADD == op_type);
break;
}
case ObDoubleType:
{
double tmp = static_cast<double>(rand);
obj.set_double(tmp, ADD == op_type);
break;
}
case ObDateTimeType:
{
ObDateTime tmp = static_cast<ObDateTime>(rand);
obj.set_datetime(tmp, ADD == op_type);
break;
}
case ObPreciseDateTimeType:
{
ObPreciseDateTime tmp = static_cast<ObPreciseDateTime>(rand);
obj.set_precise_datetime(tmp, ADD == op_type);
break;
}
case ObVarcharType:
{
int64_t length = range_rand(1, column_schema[column_pos].get_size(), rand);
char *ptr = allocer.alloc(length);
build_string(ptr, length, rand);
ObString str;
str.assign_ptr(ptr, length);
if (ADD == op_type)
{
op_type = UPDATE;
}
obj.set_varchar(str);
break;
}
default:
break;
}
if (DEL_CELL == op_type)
{
obj.set_null();
}
else if (DEL_ROW == op_type)
{
obj.set_ext(ObActionFlag::OP_DEL_ROW);
}
}示例2: test_write_one_file
void test_write_one_file()
{
ObSSTableSchemaColumnDef column_def;
ObSSTableSchema schema;
ObSSTableRow row;
char *compressor_name = (char*)COMPRESSOR_NAME;
ObSSTableWriter writer;
ObString file_name(static_cast<int32_t>(strlen(sstable_path) + 1),
static_cast<int32_t>(strlen(sstable_path) + 1), sstable_path);
ObString compressor(static_cast<int32_t>(strlen(compressor_name) + 1),
static_cast<int32_t>(strlen(compressor_name) + 1), compressor_name);
int64_t disk_usage = 0;
int64_t trailer_offset = 0;
ObObj obj;
ObObj key_obj;
uint64_t table_id = 0;
uint64_t column_group_id = 0;
char value_data[1024 + 1];
char rowkey_str[32];
ObString row_key;
ObRowkey key;
char *ptr;
int ret;
// init schema
for (int64_t i = 0; i < 5; ++i)
{
column_def.table_id_ = static_cast<uint32_t>(1025 + i);
// add rowkey column
column_def.column_group_id_ = 0;
column_def.column_name_id_ = 1;
column_def.column_value_type_ = ObVarcharType;
column_def.rowkey_seq_ = 1;
schema.add_column_def(column_def);
for ( int j = 0; j < 10 ; ++j)
{
column_def.column_group_id_ = static_cast<uint16_t>(j);
column_def.column_name_id_ = 2;
column_def.column_value_type_ = ObDoubleType;
column_def.rowkey_seq_ = 0;
schema.add_column_def(column_def);
column_def.column_name_id_ = 3;
column_def.column_value_type_ = ObIntType;
column_def.rowkey_seq_ = 0;
schema.add_column_def(column_def);
column_def.column_name_id_ = 4;
column_def.column_value_type_ = ObVarcharType;
column_def.rowkey_seq_ = 0;
schema.add_column_def(column_def);
}
}
//build data
ptr = value_data;
for (int64_t i = 0; i < 128; ++i) {
memcpy(ptr, "testing ", 8);
ptr += 8;
}
ObString value_str(1025, 1025, value_data);
writer.set_dio(true);
int64_t start_time = tbsys::CTimeUtil::getTime();
// create sstable file
if (OB_ERROR == (ret = writer.create_sstable(schema, file_name,
compressor, 2)))
{
TBSYS_LOG(ERROR, "Failed to create sstable file: %s", sstable_path);
}
for (int64_t i = 0; i < 5000000; ++i)
{
row.clear();
table_id = i / 1000000 + 1025;
column_group_id = i % 1000000 / 100000;
row.set_table_id(table_id);
row.set_column_group_id(column_group_id);
sprintf(rowkey_str, "row_key_%08ld", i);
row_key.assign(rowkey_str, 16);
key_obj.set_varchar(row_key);
key.assign(&key_obj, 1);
row.set_rowkey(key);
obj.set_double((double)i);
row.add_obj(obj);
obj.set_int(i);
row.add_obj(obj);
obj.set_varchar(value_str);
row.add_obj(obj);
if (OB_ERROR == (ret = writer.append_row(row, disk_usage)))
{
TBSYS_LOG(ERROR, "add row failed, i=%ld", i);
return;
}
}
//.........这里部分代码省略.........