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| author | Nick Kallen <nkallen@nick-kallens-computer-2.local> | 2008-01-05 13:00:39 -0800 |
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| committer | Nick Kallen <nkallen@nick-kallens-computer-2.local> | 2008-01-05 13:00:39 -0800 |
| commit | 346d9c6bde5ae0a0c918b4e0b25d79aa2760234a (patch) | |
| tree | e0c78ee00bdcdd308dd88fc339c96095001ff1d4 /lib/sql_algebra | |
| parent | 4366f8658e75ead57070427c09b0c57abe683df9 (diff) | |
| download | rails-346d9c6bde5ae0a0c918b4e0b25d79aa2760234a.tar.gz rails-346d9c6bde5ae0a0c918b4e0b25d79aa2760234a.tar.bz2 rails-346d9c6bde5ae0a0c918b4e0b25d79aa2760234a.zip | |
basic rename functionality
Diffstat (limited to 'lib/sql_algebra')
| -rw-r--r-- | lib/sql_algebra/relations/attribute.rb | 4 | ||||
| -rw-r--r-- | lib/sql_algebra/relations/relation.rb | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/lib/sql_algebra/relations/attribute.rb b/lib/sql_algebra/relations/attribute.rb index 85d40dfb12..89ac495245 100644 --- a/lib/sql_algebra/relations/attribute.rb +++ b/lib/sql_algebra/relations/attribute.rb @@ -5,6 +5,10 @@ class Attribute @relation, @attribute_name, @aliaz = relation, attribute_name, aliaz end + def aliazz(aliaz) + Attribute.new(relation, attribute_name, aliaz) + end + def eql?(other) relation == other.relation and attribute_name == other.attribute_name end diff --git a/lib/sql_algebra/relations/relation.rb b/lib/sql_algebra/relations/relation.rb index 8c21927d01..02723ae0cc 100644 --- a/lib/sql_algebra/relations/relation.rb +++ b/lib/sql_algebra/relations/relation.rb @@ -32,6 +32,10 @@ class Relation def order(*attributes) OrderRelation.new(self, *attributes) end + + def rename(attribute, aliaz) + RenameRelation.new(self, attribute, aliaz) + end end include Operations |