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author | Ryuta Kamizono <kamipo@gmail.com> | 2019-06-09 14:03:31 +0900 |
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committer | Ryuta Kamizono <kamipo@gmail.com> | 2019-06-09 14:14:10 +0900 |
commit | 1340498d2102423665cc5cfe7be7cdba32c72928 (patch) | |
tree | 9067d11ca44f28919e55918e1fb5ef48f13eca0f /activerecord/lib/active_record/connection_adapters/mysql | |
parent | 3567fa53f7dada3f5c66f4e72775f8bfa9f38f80 (diff) | |
download | rails-1340498d2102423665cc5cfe7be7cdba32c72928.tar.gz rails-1340498d2102423665cc5cfe7be7cdba32c72928.tar.bz2 rails-1340498d2102423665cc5cfe7be7cdba32c72928.zip |
Refactor `disallow_raw_sql!` to avoid `split(/\s*,\s*/)` to order args
`split(/\s*,\s*/)` to order args and then `permit.match?` one by one is
much slower than `permit.match?` once.
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/mysql')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/mysql/quoting.rb | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb b/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb index 84354c0187..740832d6b8 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql/quoting.rb @@ -40,13 +40,22 @@ module ActiveRecord COLUMN_NAME_WITH_ORDER end - COLUMN_NAME = /\A(?:(`?)\w+\k<1>\.)?(`?)\w+\k<2>\z/i + COLUMN_NAME = / + \A + ( + (?:\w+\.|`\w+`\.)?(?:\w+|`\w+`) + ) + (?:\s*,\s*\g<1>)* + \z + /ix COLUMN_NAME_WITH_ORDER = / \A - (?:(`?)\w+\k<1>\.)? - (`?)\w+\k<2> - (?:\s+ASC|\s+DESC)? + ( + (?:\w+\.|`\w+`\.)?(?:\w+|`\w+`) + (?:\s+ASC|\s+DESC)? + ) + (?:\s*,\s*\g<1>)* \z /ix |