initial import

1 files changed, 23 insertions, 0 deletions

diff --git a/lib/sql_algebra/sql/select.rb b/lib/sql_algebra/sql/select.rb
new file mode 100644
index 0000000000..da92ad3a52
--- /dev/null
+++ b/lib/sql_algebra/sql/select.rb
@@ -0,0 +1,23 @@
+class Select
+  attr_reader :attributes, :tables, :predicates
+  
+  def initialize(*attributes)
+    @attributes = attributes
+  end
+  
+  def from(*tables)
+    returning self do |select|
+      @tables = tables
+    end
+  end
+  
+  def where(*predicates)
+    returning self do |select|
+      @predicates = predicates
+    end
+  end
+  
+  def ==(other)
+    attributes == other.attributes and tables == other.tables and predicates == other.predicates
+  end
+end
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