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| author | Ernie Miller <ernie@metautonomo.us> | 2010-03-25 20:18:36 -0400 |
|---|---|---|
| committer | Ernie Miller <ernie@metautonomo.us> | 2010-05-07 13:05:14 -0400 |
| commit | 32fbb70f100d0d6f9800020ef519a09a0852ae47 (patch) | |
| tree | 584136c3fec48b0db0e409bb3d6ff1b203b12ced /lib/arel/engines/sql | |
| parent | def75c7b54ccc18f3a8daf79b6144ddcb538d4e8 (diff) | |
| download | rails-32fbb70f100d0d6f9800020ef519a09a0852ae47.tar.gz rails-32fbb70f100d0d6f9800020ef519a09a0852ae47.tar.bz2 rails-32fbb70f100d0d6f9800020ef519a09a0852ae47.zip | |
Add grouped predicates (_any/_all) and refactored predication method definitions
Diffstat (limited to 'lib/arel/engines/sql')
| -rw-r--r-- | lib/arel/engines/sql/predicates.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/arel/engines/sql/predicates.rb b/lib/arel/engines/sql/predicates.rb index e9a068fb13..53bac7a2ca 100644 --- a/lib/arel/engines/sql/predicates.rb +++ b/lib/arel/engines/sql/predicates.rb @@ -19,6 +19,24 @@ module Arel class And < CompoundPredicate def predicate_sql; "AND" end end + + class GroupedPredicate < Grouped + def to_sql(formatter = nil) + "(" + + operands2.inject([]) { |predicates, operand| + predicates << operator.new(operand1, operand).to_sql + }.join(" #{predicate_sql} ") + + ")" + end + end + + class Any < GroupedPredicate + def predicate_sql; "OR" end + end + + class All < GroupedPredicate + def predicate_sql; "AND" end + end class Equality < Binary def predicate_sql |