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-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb27
-rw-r--r--activerecord/test/schema/schema.rb1
2 files changed, 20 insertions, 8 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 6714970103..14bc95abfe 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -1264,14 +1264,25 @@ module ActiveRecord
# Maps logical Rails types to PostgreSQL-specific data types.
def type_to_sql(type, limit = nil, precision = nil, scale = nil)
- return super unless type.to_s == 'integer'
- return 'integer' unless limit
-
- case limit
- when 1, 2; 'smallint'
- when 3, 4; 'integer'
- when 5..8; 'bigint'
- else raise(ActiveRecordError, "No integer type has byte size #{limit}. Use a numeric with precision 0 instead.")
+ case type.to_s
+ when 'binary'
+ # PostgreSQL doesn't support limits on binary (bytea) columns.
+ # The hard limit is 1Gb, because of a 32-bit size field, and TOAST.
+ case limit
+ when nil, 0..0x3fffffff; super(type)
+ else raise(ActiveRecordError, "No binary type has byte size #{limit}.")
+ end
+ when 'integer'
+ return 'integer' unless limit
+
+ case limit
+ when 1, 2; 'smallint'
+ when 3, 4; 'integer'
+ when 5..8; 'bigint'
+ else raise(ActiveRecordError, "No integer type has byte size #{limit}. Use a numeric with precision 0 instead.")
+ end
+ else
+ super
end
end
diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb
index 3fc58c25b1..5bcb9652cd 100644
--- a/activerecord/test/schema/schema.rb
+++ b/activerecord/test/schema/schema.rb
@@ -80,6 +80,7 @@ ActiveRecord::Schema.define do
create_table :binaries, :force => true do |t|
t.string :name
t.binary :data
+ t.binary :short_data, :limit => 2048
end
create_table :birds, :force => true do |t|