Postgresql doesn't accepts limits on text columns.

1 files changed, 7 insertions, 0 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
index 82a0b662f4..f0a03a2a37 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb
@@ -396,6 +396,13 @@ 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