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Make indexed columns easy to extract from the index name. Oracle users should explicitly assign index names due to field length restrictions.

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4768 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
Jeremy Kemper
2006-08-15 23:51:27 +00:00
parent 79542f8d0b
commit bc7f2315ba
2 changed files with 12 additions and 9 deletions
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2
activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
View File

@@ -214,7 +214,7 @@ module ActiveRecord
def index_name(table_name, options) #:nodoc: def index_name(table_name, options) #:nodoc:
if Hash === options # legacy support if Hash === options # legacy support
if options[:column] if options[:column]
"#{table_name}_#{Array(options[:column]).join('_')}_index" "index_#{table_name}_on_#{Array(options[:column]) * '_and_'}"
elsif options[:name] elsif options[:name]
options[:name] options[:name]
else else

19
activerecord/test/migration_test.rb
View File

@@ -57,14 +57,17 @@ if ActiveRecord::Base.connection.supports_migrations?
assert_nothing_raised { Person.connection.add_index("people", "last_name") } assert_nothing_raised { Person.connection.add_index("people", "last_name") }
assert_nothing_raised { Person.connection.remove_index("people", "last_name") } assert_nothing_raised { Person.connection.remove_index("people", "last_name") }
assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) } # Orcl nds shrt indx nms.
assert_nothing_raised { Person.connection.remove_index("people", :column => ["last_name", "first_name"]) } unless current_adapter?(:OracleAdapter)
assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) } assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) }
assert_nothing_raised { Person.connection.remove_index("people", :name => "people_last_name_first_name_index") } assert_nothing_raised { Person.connection.remove_index("people", :column => ["last_name", "first_name"]) }
assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) } assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) }
assert_nothing_raised { Person.connection.remove_index("people", "last_name_first_name") } assert_nothing_raised { Person.connection.remove_index("people", :name => "index_people_on_last_name_and_first_name") }
assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) } assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) }
assert_nothing_raised { Person.connection.remove_index("people", ["last_name", "first_name"]) } assert_nothing_raised { Person.connection.remove_index("people", "last_name_and_first_name") }
assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) }
assert_nothing_raised { Person.connection.remove_index("people", ["last_name", "first_name"]) }
end
# quoting # quoting
# Note: changed index name from "key" to "key_idx" since "key" is a Firebird reserved word # Note: changed index name from "key" to "key_idx" since "key" is a Firebird reserved word