Smityz commented on a change in pull request #722:
URL: https://github.com/apache/incubator-pegasus/pull/722#discussion_r619768162
##########
File path: src/base/pegasus_value_schema.h
##########
@@ -238,13 +238,24 @@ class pegasus_value_generator
enum data_version
{
+ VERSION_0 = 0,
+ VERSION_COUNT,
+ VERSION_MAX = VERSION_0,
/// TBD(zlw)
};
struct value_params
{
+ value_params(std::string &buf, std::vector<rocksdb::Slice> &slices)
+ : write_buf(buf), write_slices(slices)
+ {
+ }
+
std::map<value_field_type, std::unique_ptr<value_field>> fields;
Review comment:
```
std::map<value_field_type, std::unique_ptr<value_field>> fields;
```
=>
```
std::array<std::unique_ptr<value_field>> fields;
fields[value_field_type::TIME_TAG] =
dsn::make_unique<time_tag_field>(time_tag);
```
```
...
auto expire_iter = params.fields.find(value_field_type::EXPIRE_TIMESTAMP);
if (... || user_data_iter == params.fields.end())) {
dassert_f(false, "USER_DATA or EXPIRE_TIMESTAMP is not provided");
return {nullptr, 0};
}
```
=>
```
...
// make sure std::array fields has enough spaces
auto expire_iter = params.fields[value_field_type::EXPIRE_TIMESTAMP];
if (... || user_data_iter == nullptr)) {
dassert_f(false, "USER_DATA or EXPIRE_TIMESTAMP is not provided");
return {nullptr, 0};
}
```
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