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require File.join(File.dirname(File.expand_path(__FILE__)), "spec_helper")
describe "pg_auto_parameterize_in_array extension" do
def db(opts={:treat_string_list_as_text_array => "t"})
@db = Sequel.connect('mock://postgres')
@db.synchronize{|c| def c.escape_bytea(v) v*2 end}
@db.opts.merge!(opts)
@db.extension :pg_auto_parameterize_in_array
end
before do
@db = db
end
types = [
["strings if treat_string_list_as_text_array Database option is true", proc{|x| x.to_s}, "text"],
["BigDecimals", proc{|x| BigDecimal(x)}, "numeric"],
["dates", proc{|x| Date.new(2021, x)}, "date"],
["times", proc{|x| Time.local(2021, x)}, "timestamp"],
["SQLTimes", proc{|x| Sequel::SQLTime.create(x, 0, 0)}, "time"],
["datetimes", proc{|x| DateTime.new(2021, x)}, "timestamp"],
["floats", proc{|x| Float(x)}, "numeric"],
["blobs", proc{|x| Sequel.blob(x.to_s)}, "bytea"],
]
if RUBY_VERSION >= '2.4'
types << ["integers", proc{|x| x}, "int8"]
else
it "should fallback to pg_auto_parameterize extension behavior when switching column IN/NOT IN to = ANY/!= ALL for integers" do
v = [1, 2, 3]
nv = [1, nil, 3]
type = "int8"
sql = @db[:table].where(:a=>v).sql
sql.must_equal %'SELECT * FROM \"table\" WHERE ("a" = ANY(CAST($1 AS #{type}[])))'
sql.args.must_equal ['{1,2,3}']
sql = @db[:table].where(:a=>nv).sql
sql.must_equal %'SELECT * FROM \"table\" WHERE ("a" = ANY(CAST($1 AS #{type}[])))'
sql.args.must_equal ['{1,NULL,3}']
sql = @db[:table].exclude(:a=>v).sql
sql.must_equal %'SELECT * FROM \"table\" WHERE ("a" != ALL(CAST($1 AS #{type}[])))'
sql.args.must_equal ['{1,2,3}']
sql = @db[:table].exclude(:a=>nv).sql
sql.must_equal %'SELECT * FROM \"table\" WHERE ("a" != ALL(CAST($1 AS #{type}[])))'
sql.args.must_equal ['{1,NULL,3}']
end
end
types.each do |desc, conv, type|
it "should automatically switch column IN/NOT IN to = ANY/!= ALL for #{desc}" do
v = [1,2,3].map(&conv)
nv = (v + [nil]).freeze
sql = @db[:table].where(:a=>v).sql
sql.must_equal %'SELECT * FROM \"table\" WHERE ("a" = ANY($1::#{type}[]))'
sql.args.must_equal [v]
sql = @db[:table].where(:a=>nv).sql
sql.must_equal %'SELECT * FROM "table" WHERE ("a" = ANY($1::#{type}[]))'
sql.args.must_equal [nv]
sql = @db[:table].exclude(:a=>v).sql
sql.must_equal %'SELECT * FROM "table" WHERE ("a" != ALL($1::#{type}[]))'
sql.args.must_equal [v]
sql = @db[:table].exclude(:a=>nv).sql
sql.must_equal %'SELECT * FROM "table" WHERE ("a" != ALL($1::#{type}[]))'
sql.args.must_equal [nv]
end
end
it "should automatically switch column IN/NOT IN to = ANY/!= ALL without array cast for strings if treat_string_list_as_untyped_array Database option is true" do
@db = db(:treat_string_list_as_untyped_array => 't')
v = %w[1 2]
nv = (v + [nil]).freeze
sql = @db[:table].where(:a=>v).sql
sql.must_equal %'SELECT * FROM \"table\" WHERE ("a" = ANY($1))'
sql.args.must_equal [v]
sql = @db[:table].where(:a=>nv).sql
sql.must_equal %'SELECT * FROM "table" WHERE ("a" = ANY($1))'
sql.args.must_equal [nv]
sql = @db[:table].exclude(:a=>v).sql
sql.must_equal %'SELECT * FROM "table" WHERE ("a" != ALL($1))'
sql.args.must_equal [v]
sql = @db[:table].exclude(:a=>nv).sql
sql.must_equal %'SELECT * FROM "table" WHERE ("a" != ALL($1))'
sql.args.must_equal [nv]
# Check that other arrays are still typed
v = [1,2,3].map{|x| Date.new(2021, x)}
sql = @db[:table].where(:a=>v).sql
sql.must_equal %'SELECT * FROM \"table\" WHERE ("a" = ANY($1::date[]))'
sql.args.must_equal [v]
end
it "should automatically switch column IN/NOT IN to = ANY/!= ALL for infinite/NaN floats" do
v = [1.0, 1.0/0.0, -1.0/0.0, 0.0/0.0]
nv = (v + [nil]).freeze
type = "double precision"
sql = @db[:table].where(:a=>v).sql
sql.must_equal %'SELECT * FROM \"table\" WHERE ("a" = ANY($1::#{type}[]))'
sql.args.must_equal [v]
sql = @db[:table].where(:a=>nv).sql
sql.must_equal %'SELECT * FROM "table" WHERE ("a" = ANY($1::#{type}[]))'
sql.args.must_equal [nv]
sql = @db[:table].exclude(:a=>v).sql
sql.must_equal %'SELECT * FROM "table" WHERE ("a" != ALL($1::#{type}[]))'
sql.args.must_equal [v]
sql = @db[:table].exclude(:a=>nv).sql
sql.must_equal %'SELECT * FROM "table" WHERE ("a" != ALL($1::#{type}[]))'
sql.args.must_equal [nv]
end
it "should not automatically switch column IN/NOT IN to = ANY/!= ALL for strings by default" do
@db = db({})
v = %w'1 2'
sql = @db[:table].where([:a, :b]=>v).sql
sql.must_equal 'SELECT * FROM "table" WHERE (("a", "b") IN ($1, $2))'
sql.args.must_equal v
sql = @db[:table].exclude([:a, :b]=>v).sql
sql.must_equal 'SELECT * FROM "table" WHERE (("a", "b") NOT IN ($1, $2))'
sql.args.must_equal v
end
it "should not convert IN/NOT IN expressions that use unsupported types" do
v = [Sequel.lit('1'), Sequel.lit('2')].freeze
sql = @db[:table].where([:a, :b]=>v).sql
sql.must_equal 'SELECT * FROM "table" WHERE (("a", "b") IN (1, 2))'
sql.args.must_be_nil
sql = @db[:table].exclude([:a, :b]=>v).sql
sql.must_equal 'SELECT * FROM "table" WHERE (("a", "b") NOT IN (1, 2))'
sql.args.must_be_nil
end
it "should not convert multiple column IN expressions" do
sql = @db[:table].where([:a, :b]=>[[1.0, 2.0]]).sql
sql.must_equal 'SELECT * FROM "table" WHERE (("a", "b") IN (($1::numeric, $2::numeric)))'
sql.args.must_equal [1, 2]
sql = @db[:table].exclude([:a, :b]=>[[1.0, 2.0]]).sql
sql.must_equal 'SELECT * FROM "table" WHERE (("a", "b") NOT IN (($1::numeric, $2::numeric)))'
sql.args.must_equal [1, 2]
end
it "should not convert single value expressions" do
sql = @db[:table].where(:a=>[1.0]).sql
sql.must_equal 'SELECT * FROM "table" WHERE ("a" IN ($1::numeric))'
sql.args.must_equal [1]
sql = @db[:table].exclude(:a=>[1.0]).sql
sql.must_equal 'SELECT * FROM "table" WHERE ("a" NOT IN ($1::numeric))'
sql.args.must_equal [1]
end
it "should convert single value expressions in pg_auto_parameterize_min_array_size: 1" do
@db = db(:pg_auto_parameterize_min_array_size => 1)
sql = @db[:table].where(:a=>[1.0]).sql
sql.must_equal 'SELECT * FROM "table" WHERE ("a" = ANY($1::numeric[]))'
sql.args.must_equal [[1]]
sql = @db[:table].exclude(:a=>[1.0]).sql
sql.must_equal 'SELECT * FROM "table" WHERE ("a" != ALL($1::numeric[]))'
sql.args.must_equal [[1]]
end
it "should not convert expressions with mixed types" do
sql = @db[:table].where(:a=>[1, 2.0]).sql
sql.must_equal 'SELECT * FROM "table" WHERE ("a" IN ($1::int4, $2::numeric))'
sql.args.must_equal [1, 2.0]
sql = @db[:table].where(:a=>[1, 2.0]).sql
sql.must_equal 'SELECT * FROM "table" WHERE ("a" IN ($1::int4, $2::numeric))'
sql.args.must_equal [1, 2.0]
end
it "should not convert other expressions" do
sql = @db[:table].where(:a=>1).sql
sql.must_equal 'SELECT * FROM "table" WHERE ("a" = $1::int4)'
sql.args.must_equal [1]
sql = @db[:table].where(:a=>@db[:table]).sql
sql.must_equal 'SELECT * FROM "table" WHERE ("a" IN (SELECT * FROM "table"))'
sql.args.must_be_nil
end
end
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