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authorGrey Baker <greysteil@gmail.com>2015-04-13 01:32:51 +0200
committerGrey Baker <greysteil@gmail.com>2015-04-13 09:33:48 +0200
commite91c4339e4d8967f3d8e9eaf1f82bbc113bc69c1 (patch)
tree01a08b36acf94aea7b879b3f1fcbfc811533914e /activerecord/lib/active_record
parent86ba051486ec0b91ecb403f21a2c384cf6b926dd (diff)
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Document that partial indexes are only supported by Postgres and SQLite.
Fixes #18106
Diffstat (limited to 'activerecord/lib/active_record')
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index 466b076571..ecb4868c13 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -537,6 +537,8 @@ module ActiveRecord
#
# CREATE UNIQUE INDEX index_accounts_on_branch_id_and_party_id ON accounts(branch_id, party_id) WHERE active
#
+ # Note: Partial indexes are only supported for PostgreSQL and SQLite 3.8.0+.
+ #
# ====== Creating an index with a specific method
#
# add_index(:developers, :name, using: 'btree')