aboutsummaryrefslogtreecommitdiffstats
path: root/guides
diff options
context:
space:
mode:
authorRyuta Kamizono <kamipo@gmail.com>2018-09-09 03:30:45 +0900
committerRyuta Kamizono <kamipo@gmail.com>2018-09-12 01:11:38 +0900
commita50eacb03cf3df1d1cbc227ea0115901e0327f1c (patch)
tree19e47b31a2aedbb8f34317fcf2dbe6b5d5aeb2c1 /guides
parent82ac7555ab69c1ae11360d2b9bd8dfd723a13485 (diff)
downloadrails-a50eacb03cf3df1d1cbc227ea0115901e0327f1c.tar.gz
rails-a50eacb03cf3df1d1cbc227ea0115901e0327f1c.tar.bz2
rails-a50eacb03cf3df1d1cbc227ea0115901e0327f1c.zip
Eager loading/preloading should be worked regardless of large number of records
Since 213796f, bind params are used for IN clause if enabled prepared statements. Unfortunately, most adapter modules have a limitation for # of bind params (mysql2 65535, pg 65535, sqlite3 250000). So if eager loading large number of records at once, that query couldn't be sent to the database. Since eager loading/preloading queries are auto-generated by Active Record itself, so it should be worked regardless of large number of records like as before. Fixes #33702.
Diffstat (limited to 'guides')
0 files changed, 0 insertions, 0 deletions