| Commit message (Collapse) | Author | Age | Files | Lines |
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and abstract `SchemaDumper#extensions` is now an empty method.
Since #30337, every database adapter has its own `SchemaDumper`.
`extensions` are only supported by PostgreSQL database and postgresql database adapter.
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Currently `SchemaDumper` is only customizable for column options. But
3rd party connection adapters (oracle-enhanced etc) need to customizable
for table or index dumping also. To make it possible, I introduced
adapter specific `SchemaDumper` classes for that.
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This is only used for the internal `column_spec` and
`column_spec_for_primary_key`.
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This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing
changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
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The PR #27384 changed integer-like primary key to be autoincrement
unless an explicit default. This means that integer-like primary key is
restored as autoincrement unless dumping the default nil explicitly.
We should dump integer-like primary key with default nil correctly.
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The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.
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Follow up to #18228.
In MySQL and PostgreSQL, primary key is to be `NOT NULL` implicitly.
But in SQLite it must be specified `NOT NULL` explicitly.
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Extract `default_primary_key?` to refactor `column_spec_for_primary_key`
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Before:
```ruby
create_table "big_numbers", force: :cascade do |t|
t.integer "bigint_column", limit: 8
end
```
After:
```ruby
create_table "big_numbers", force: :cascade do |t|
t.bigint "bigint_column"
end
```
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Before:
```ruby
create_table "postgresql_big_serials", force: :cascade do |t|
t.bigserial "seq", limit: 8, null: false
end
```
After:
```ruby
create_table "postgresql_big_serials", force: :cascade do |t|
t.bigserial "seq", null: false
end
```
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Actually `:name` and `:type` are not column options.
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A return value of `schema_type` is used by:
1. primary key type: using as `symbol.inspect`
2. normal column type: using as `symbol.to_s`
It is better to return symbol.
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Example:
create_table :posts do |t|
t.datetime :published_at, default: -> { 'NOW()' }
end
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Current master branch includes many schema dumping improvements.
It extract these features to the appropriate files.
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