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-rw-r--r--activerecord/lib/active_record/integration.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/integration.rb b/activerecord/lib/active_record/integration.rb
index ec39ece87f..90fb10a1f1 100644
--- a/activerecord/lib/active_record/integration.rb
+++ b/activerecord/lib/active_record/integration.rb
@@ -189,7 +189,8 @@ module ActiveRecord
# raw_timestamp_to_cache_version(timestamp)
# # => "20181015200215266505"
#
- # Postgres truncates trailing zeros, https://bit.ly/2QUlXiZ
+ # Postgres truncates trailing zeros,
+ # https://github.com/postgres/postgres/commit/3e1beda2cde3495f41290e1ece5d544525810214
# to account for this we pad the output with zeros
def raw_timestamp_to_cache_version(timestamp)
key = timestamp.delete("- :.")