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Contents
module RailsSqlViews
module ConnectionAdapters
module PostgreSQLAdapter
def self.included(base)
<<<<<<< HEAD
base.alias_method_chain :tables, :views_included unless method_defined?(:tables_with_views_included)
=======
base.alias_method_chain :tables, :views_included
>>>>>>> Make tests pass again for PostgreSQL and MySQL adapters.
end
# Returns true as this adapter supports views.
def supports_views?
true
end
def tables_with_views_included(name = nil)
q = <<-SQL
SELECT table_name, table_type
FROM information_schema.tables
WHERE table_schema IN (#{schemas})
AND table_type IN ('BASE TABLE', 'VIEW')
SQL
query(q, name).map { |row| row[0] }
end
def base_tables(name = nil)
q = <<-SQL
SELECT table_name, table_type
FROM information_schema.tables
WHERE table_schema IN (#{schemas})
AND table_type = 'BASE TABLE'
SQL
query(q, name).map { |row| row[0] }
end
alias nonview_tables base_tables
def views(name = nil) #:nodoc:
q = <<-SQL
SELECT table_name, table_type
FROM information_schema.tables
WHERE table_schema IN (#{schemas})
AND table_type = 'VIEW'
SQL
query(q, name).map { |row| row[0] }
end
def view_select_statement(view, name = nil)
q = <<-SQL
SELECT view_definition
FROM information_schema.views
WHERE table_catalog = (SELECT catalog_name FROM information_schema.information_schema_catalog_name)
AND table_schema IN (#{schemas})
AND table_name = '#{view}'
SQL
select_value(q, name) or raise "No view called #{view} found"
end
private
def schemas
schema_search_path.split(/,/).map { |p| quote(p) }.join(',')
end
end
end
end
Version data entries
20 entries across 20 versions & 7 rubygems