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28 lines
723 B
Ruby
28 lines
723 B
Ruby
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require 'helper'
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module Arel
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module Visitors
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describe 'the ibm_db visitor' do
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before do
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@visitor = IBM_DB.new Table.engine
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end
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it 'uses FETCH FIRST n ROWS to limit results' do
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stmt = Nodes::SelectStatement.new
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stmt.limit = Nodes::Limit.new(1)
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sql = @visitor.accept(stmt)
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sql.must_be_like "SELECT FETCH FIRST 1 ROWS ONLY"
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end
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it 'uses FETCH FIRST n ROWS in updates with a limit' do
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stmt = Nodes::UpdateStatement.new
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stmt.limit = Nodes::Limit.new(1)
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stmt.key = 'id'
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sql = @visitor.accept(stmt)
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sql.must_be_like "UPDATE NULL WHERE 'id' IN (SELECT 'id' FETCH FIRST 1 ROWS ONLY)"
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end
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end
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end
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end
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