forked from ddrilling/AsbCloudServer
66 lines
1.5 KiB
Markdown
66 lines
1.5 KiB
Markdown
# Миграции
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## EF tools
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https://docs.microsoft.com/ru-ru/ef/core/cli/dotnet
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Установка:
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```
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dotnet tool install --global dotnet-ef
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```
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Обновление:
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```
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dotnet tool update --global dotnet-ef
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```
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## Создать миграцию
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```
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dotnet ef migrations add <MigrationName> --project AsbCloudDb
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```
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## Откатить миграцию
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```
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dotnet ef migrations remvoe <MigrationName> --project AsbCloudDb
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```
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\<MigrationName> - Name of migration class.
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После создания миграции обязательно прочитать сгенерированый код.
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## Применить миграции
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При старте проекта применяются автоматически
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```
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dotnet ef database update --project .\AsbCloudDb
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```
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# Backup and restore
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## Backup
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Terminal:
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```
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sudo -u postgres pg_dump -Fc -U postgres postgres -W > dump_2021-11-26.bak
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```
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## Restore backup
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### Step 1. (Re)Create DB and schema IF needed.
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psql:
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```
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--drop schema public cascade;
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CREATE DATABASE postgres;
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\c postgres
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create schema public;
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```
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### Step 2. Innit timescaledb and prepare DB to restore
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```
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CREATE EXTENSION IF NOT EXISTS timescaledb;
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SELECT timescaledb_pre_restore();
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```
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### Step 3. Restore DB, then [Longest operation]
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Terminal:
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```
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sudo -u postgres psql -p 5499 -U postgres postgres -W < dump_2021-11-26.bak
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```
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OR psql:
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```
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\! pg_restore -Fc -d postgres dump_2021-11-26.bak
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```
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Then 'exit resore mode' psql:
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```
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SELECT timescaledb_post_restore();
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``` |