Merge pull request #8276 from pwnall/pgsql_text_limits

Postgresql doesn't accepts limits on text columns
Conflicts:
	activerecord/CHANGELOG.md
	activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb

1 files changed, 7 insertions, 0 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 80a0c6d13c..afc363c9b2 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -1078,6 +1078,13 @@ module ActiveRecord
           when nil, 0..0x3fffffff; super(type)
           else raise(ActiveRecordError, "No binary type has byte size #{limit}.")
           end
+        when 'text'
+          # PostgreSQL doesn't support limits on text columns.
+          # The hard limit is 1Gb, according to section 8.3 in the manual.
+          case limit
+          when nil, 0..0x3fffffff; super(type)
+          else raise(ActiveRecordError, "The limit on text can be at most 1GB - 1byte.")
+          end
         when 'integer'
           return 'integer' unless limit