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fix docs

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This commit is contained in:
Andrei Yankovich 2021-10-11 10:43:08 +03:00
parent 3fb7d94054
commit fe450f5663
1 changed files with 8 additions and 8 deletions
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16
Heart/DataBaseSpace/databasenode.h
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@ -414,23 +414,23 @@ protected:
* Eeach function shoul be can upgrade databae from preview version to own version.
* **Example**:
*
* We have 3 version of data base {0, 1, 2} each version should be contains own function for upgrade data base.
*
* We have 4 version of data base {0, 1, 2, 3} each version should be contains own function for upgrade data base.
* Where the 0 version is first version of database. (genesis)
*
* @code{cpp}
* QH::DBPatchMap dbPatches() const {
QH::DBPatchMap result;
result[0] = [](const QH::iObjectProvider* database) -> bool {
// Some code for version 0
result += [](const QH::iObjectProvider* database) -> bool {
// Some code for update from 0 to 1
};
result[1] = [](const QH::iObjectProvider* database) -> bool {
// Some code for version 1
result += [](const QH::iObjectProvider* database) -> bool {
// Some code for update from 1 to 2
};
result[2] = [](const QH::iObjectProvider* database) -> bool {
// Some code for version 2
result += [](const QH::iObjectProvider* database) -> bool {
// Some code for update from 2 to 3
};
return result;