Beispiel #1
0
func NewGrouper(groupBy ast.ExpressionList, aggs ast.ExpressionList) *Grouper {
	rv := &Grouper{
		Base:       NewBaseOperator(),
		GroupBy:    groupBy,
		groups:     make(map[string]*dparval.Value),
		Aggregates: aggs,
	}
	if len(groupBy) == 0 {
		// group all behavior
		rv.GroupBy = ast.ExpressionList{ast.NewLiteralBool(true)}
		rv.groupAll = true
	}
	return rv
}
Beispiel #2
0
func TestFilterFalse(t *testing.T) {

	stubSource := NewStubSource(testData)

	filter := NewFilter(ast.NewLiteralBool(false))
	filter.SetSource(stubSource)

	filterItemChannel, _ := filter.GetChannels()

	stopChannel := make(misc.StopChannel)
	go filter.Run(stopChannel)

	count := 0
	for _ = range filterItemChannel {
		count++
	}

	if count != 0 {
		t.Errorf("Expected %d items, got %d", 0, count)
	}

}
Beispiel #3
0
func TestParserASTOutput(t *testing.T) {

	tests := []struct {
		input  string
		output ast.Statement
	}{
		{"SELECT * FROM test WHERE true",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewStarResultExpression(),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test")},
				Where:    ast.NewLiteralBool(true),
				Limit:    -1,
			},
		},
		{"SELECT * FROM :apool.test WHERE true",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewStarResultExpression(),
				},
				Distinct: false,
				From:     &ast.From{Pool: "apool", Projection: ast.NewProperty("test")},
				Where:    ast.NewLiteralBool(true),
				Limit:    -1,
			},
		},
		{"SELECT * FROM test ORDER BY foo",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewStarResultExpression(),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test")},
				Where:    nil,
				OrderBy: []*ast.SortExpression{
					ast.NewSortExpression(ast.NewProperty("foo"), true),
				},
				Limit: -1,
			},
		},
		{"SELECT * FROM test LIMIT 10 OFFSET 3",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewStarResultExpression(),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test")},
				Where:    nil,
				Limit:    10,
				Offset:   3,
			},
		},
		{"SELECT a FROM test",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpression(ast.NewProperty("a")),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test")},
				Where:    nil,
				Limit:    -1,
			},
		},
		{"SELECT a FROM test t2",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpression(ast.NewProperty("a")),
				},
				Distinct: false,
				From:     &ast.From{Projection: ast.NewProperty("test"), As: "t2"},
				Where:    nil,
				Limit:    -1,
			},
		},
		{"SELECT 1+1*30 as steve",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpressionWithAlias(ast.NewPlusOperator(ast.NewLiteralNumber(1.0), ast.NewMultiplyOperator(ast.NewLiteralNumber(1.0), ast.NewLiteralNumber(30.0))), "steve"),
				},
				Distinct: false,
				From:     nil,
				Where:    nil,
				Limit:    -1,
			},
		},
		{"SELECT 1+1*30 steve",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpressionWithAlias(ast.NewPlusOperator(ast.NewLiteralNumber(1.0), ast.NewMultiplyOperator(ast.NewLiteralNumber(1.0), ast.NewLiteralNumber(30.0))), "steve"),
				},
				Distinct: false,
				From:     nil,
				Where:    nil,
				Limit:    -1,
			},
		},
		{"SELECT DISTINCT 1+1*30 as steve",
			&ast.SelectStatement{
				Select: ast.ResultExpressionList{
					ast.NewResultExpressionWithAlias(ast.NewPlusOperator(ast.NewLiteralNumber(1.0), ast.NewMultiplyOperator(ast.NewLiteralNumber(1.0), ast.NewLiteralNumber(30.0))), "steve"),
				},
				Distinct: true,
				From:     nil,
				Where:    nil,
				Limit:    -1,
			},
		},
		{"CREATE INDEX abv_idx ON beer-sample(abv) USING VIEW",
			&ast.CreateIndexStatement{
				Method: "view",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON beer-sample(abv) USING magic",
			&ast.CreateIndexStatement{
				Method: "magic",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON beer-sample(abv)",
			&ast.CreateIndexStatement{
				Method: "",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON :apool.beer-sample(abv) USING VIEW",
			&ast.CreateIndexStatement{
				Method: "view",
				Pool:   "apool",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON :apool.beer-sample(abv) USING magic",
			&ast.CreateIndexStatement{
				Method: "magic",
				Pool:   "apool",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"CREATE INDEX abv_idx ON :apool.beer-sample(abv)",
			&ast.CreateIndexStatement{
				Method: "",
				Pool:   "apool",
				Bucket: "beer-sample",
				Name:   "abv_idx",
				On:     ast.ExpressionList{ast.NewProperty("abv")},
			},
		},
		{"DROP INDEX beer-sample.abv",
			&ast.DropIndexStatement{
				Bucket: "beer-sample",
				Name:   "abv",
			},
		},
		{"DROP INDEX :apool.beer-sample.abv",
			&ast.DropIndexStatement{
				Pool:   "apool",
				Bucket: "beer-sample",
				Name:   "abv",
			},
		},
	}

	n1qlParser := NewN1qlParser()

	for _, v := range tests {
		query, err := n1qlParser.Parse(v.input)
		if err != nil {
			t.Errorf("Valid Query Parse Failed: %v - %v", v, err)
		}

		if !reflect.DeepEqual(query, v.output) {
			t.Errorf("Expected %v, got %v", v.output, query)

			js, err := json.MarshalIndent(v.output, "", "  ")
			if err == nil {
				t.Logf("Expected %v", string(js))
			}

			js, err = json.MarshalIndent(query, "", "  ")
			if err == nil {
				t.Logf("Got %v", string(js))
			}

		}
	}

}
Beispiel #4
0
func TestPlanJSON(t *testing.T) {

	tests := []struct {
		input *Plan
	}{
		{&Plan{NewScan("pool", "bucket", "index", nil)}},
		{&Plan{NewFetch(NewScan("pool", "bucket", "index", nil), "pool", "bucket", nil, "bucket")}},
		{&Plan{NewFilter(NewFetch(NewScan("pool", "bucket", "index", nil), "pool", "bucket", nil, "bucket"), ast.NewLiteralBool(true))}},
		{&Plan{NewFilter(NewFetch(NewScan("pool", "bucket", "index", nil), "pool", "bucket", nil, "bucket"), ast.NewPlusOperator(ast.NewLiteralNumber(1.0), ast.NewLiteralNumber(1.0)))}},
	}

	for _, x := range tests {
		_, err := json.MarshalIndent(x.input, "", "    ")
		if err != nil {
			t.Errorf("error serializing json: %v", err)
		}
		// FIXME test doesn't actually assert anything
	}

}