[ci skip] [docs] Updated docs to indicate that mysql supports the algorithm

1060ki · 1060ki · commit e07aecca935e · 2024-02-02T10:38:18.000+09:00
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -876,9 +876,12 @@ def rename_column(table_name, column_name, new_column_name)
       # ====== Creating an index with a specific algorithm
       #
       #  add_index(:developers, :name, algorithm: :concurrently)
-      #  # CREATE INDEX CONCURRENTLY developers_on_name on developers (name)
+      #  # CREATE INDEX CONCURRENTLY developers_on_name on developers (name) -- PostgreSQL
       #
-      # Note: only supported by PostgreSQL.
+      #  add_index(:developers, :name, algorithm: :inplace)
+      #  # CREATE INDEX `index_developers_on_name` ON `developers` (`name`) ALGORITHM = INPLACE -- MySQL
+      #
+      # Note: only supported by PostgreSQL and MySQL.
       #
       # Concurrently adding an index is not supported in a transaction.
       #

Original file line number	Diff line number	Diff line change
`@@ -876,9 +876,12 @@ def rename_column(table_name, column_name, new_column_name)`
`876`	`876`	`# ====== Creating an index with a specific algorithm`
`877`	`877`	`#`
`878`	`878`	`# add_index(:developers, :name, algorithm: :concurrently)`
`879`		`- # # CREATE INDEX CONCURRENTLY developers_on_name on developers (name)`
	`879`	`+ # # CREATE INDEX CONCURRENTLY developers_on_name on developers (name) -- PostgreSQL`
`880`	`880`	`#`
`881`		`- # Note: only supported by PostgreSQL.`
	`881`	`+ # add_index(:developers, :name, algorithm: :inplace)`
	`882`	+ # # CREATE INDEX `index_developers_on_name` ON `developers` (`name`) ALGORITHM = INPLACE -- MySQL
	`883`	`+ #`
	`884`	`+ # Note: only supported by PostgreSQL and MySQL.`
`882`	`885`	`#`
`883`	`886`	`# Concurrently adding an index is not supported in a transaction.`
`884`	`887`	`#`