opt/opbench: add more cost tests

This commit introduces more costing tests for some scans and sorts.

Release note: None

pkg/sql/opt/opbench/opbench_test.go

@@ -313,6 +313,9 @@ var Benches = []*opbench.Spec{
 	HashJoinSpec,
 	MergeJoinSpec,
 	LookupJoinSpec,
+	SortLineitemSpec,
+	ScanOrdersSpec,
+	ScanLineitemSpec,
 }
 
 // HashJoinSpec does a hash join between supplier and lineitem.
@@ -452,3 +455,146 @@ var LookupJoinSpec = &opbench.Spec{
 		panic(fmt.Sprintf("can't handle %q", paramName))
 	},
 }
+
+func makeScanSpec(
+	name string,
+	tableName string,
+	rowCounts []float64,
+	colCounts []float64,
+	colNames []string,
+) *opbench.Spec {
+	return &opbench.Spec{
+		Name: name,
+		Plan: fmt.Sprintf(`
+(Root
+	(Scan
+		[
+			(Table "%s")
+			(Cols "$cols")
+			(HardLimit $rows)
+		]
+	)
+	(Presentation "$cols")
+	(NoOrdering)
+)`, tableName),
+
+		Inputs: []opbench.Options{
+			{Field: "rows", Values: rowCounts},
+			{Field: "num_cols", Values: colCounts},
+		},
+
+		GetParam: func(paramName string, config opbench.Configuration) string {
+			switch paramName {
+			case "rows":
+				return fmt.Sprintf("%d", int(config["rows"]))
+			case "cols":
+				c := int(config["num_cols"])
+				var result bytes.Buffer
+				for i := 0; i < c; i++ {
+					if i > 0 {
+						result.WriteByte(',')
+					}
+					result.WriteString(colNames[i])
+				}
+				return result.String()
+			}
+			panic(fmt.Sprintf("can't handle %q", paramName))
+		},
+	}
+}
+
+// ScanLineitemSpec scans the lineitem table.
+var ScanLineitemSpec = makeScanSpec(
+	"scan-lineitem",
+	"lineitem",
+	[]float64{1000000, 2000000, 3000000, 4000000, 5000000, 6000000},
+	[]float64{1, 2, 3, 4, 16},
+	[]string{
+		"l_orderkey", "l_partkey", "l_suppkey",
+		"l_linenumber", "l_quantity", "l_extendedprice",
+		"l_discount", "l_tax", "l_returnflag",
+		"l_linestatus", "l_shipdate", "l_commitdate",
+		"l_receiptdate", "l_shipinstruct", "l_shipmode",
+		"l_comment",
+	},
+)
+
+// ScanOrdersSpec scans the orders table.
+var ScanOrdersSpec = makeScanSpec(
+	"scan-orders",
+	"orders",
+	[]float64{250000, 500000, 750000, 1000000, 1250000, 1500000},
+	[]float64{1, 3, 6, 9},
+	[]string{
+		"o_orderkey", "o_custkey", "o_orderstatus",
+		"o_totalprice", "o_orderdate", "o_orderpriority",
+		"o_clerk", "o_shippriority", "o_comment",
+	},
+)
+
+func makeSortSpec(
+	name string,
+	tableName string,
+	rowCounts []float64,
+	colCounts []float64,
+	colNames []string,
+	ordering string,
+) *opbench.Spec {
+	return &opbench.Spec{
+		Name: name,
+		Plan: fmt.Sprintf(`
+(Root
+	(Sort
+	  (Scan
+			[
+				(Table "%s")
+				(Cols "$cols")
+		  	(HardLimit $rows)
+			]
+	  )
+	)
+	(Presentation "$cols")
+	(OrderingChoice "%s")
+)`, tableName, ordering),
+
+		Inputs: []opbench.Options{
+			{Field: "rows", Values: rowCounts},
+			{Field: "num_cols", Values: colCounts},
+		},
+
+		GetParam: func(paramName string, config opbench.Configuration) string {
+			switch paramName {
+			case "rows":
+				return fmt.Sprintf("%d", int(config["rows"]))
+			case "cols":
+				c := int(config["num_cols"])
+				var result bytes.Buffer
+				for i := 0; i < c; i++ {
+					if i > 0 {
+						result.WriteByte(',')
+					}
+					result.WriteString(colNames[i])
+				}
+				return result.String()
+			}
+			panic(fmt.Sprintf("can't handle %q", paramName))
+		},
+	}
+}
+
+// SortLineitemSpec scans the lineitem table.
+var SortLineitemSpec = makeSortSpec(
+	"sort-lineitem",
+	"lineitem",
+	[]float64{1000000, 2000000, 3000000, 4000000, 5000000, 6000000},
+	[]float64{1, 2, 3},
+	[]string{
+		"l_orderkey", "l_partkey", "l_suppkey",
+		"l_linenumber", "l_quantity", "l_extendedprice",
+		"l_discount", "l_tax", "l_returnflag",
+		"l_linestatus", "l_shipdate", "l_commitdate",
+		"l_receiptdate", "l_shipinstruct", "l_shipmode",
+		"l_comment",
+	},
+	"+l_orderkey",
+)

pkg/sql/opt/opbench/testdata/scan-lineitem.csv

@@ -0,0 +1,31 @@
+rows,num_cols,estimated,actual
+1000000,1,1170000.010000,0.834084
+2000000,1,2340000.010000,1.489845
+3000000,1,3510000.010000,2.211772
+4000000,1,4680000.010000,2.787555
+5000000,1,5850000.010000,3.727968
+6000000,1,7020000.010000,4.538592
+1000000,2,1180000.010000,0.856709
+2000000,2,2360000.010000,1.689832
+3000000,2,3540000.010000,2.624644
+4000000,2,4720000.010000,3.354893
+5000000,2,5900000.010000,4.149957
+6000000,2,7080000.010000,5.126522
+1000000,3,1190000.010000,0.948950
+2000000,3,2380000.010000,1.844214
+3000000,3,3570000.010000,2.819678
+4000000,3,4760000.010000,3.689639
+5000000,3,5950000.010000,4.598679
+6000000,3,7140000.010000,5.589131
+1000000,4,1200000.010000,0.963368
+2000000,4,2400000.010000,1.907634
+3000000,4,3600000.010000,2.819860
+4000000,4,4800000.010000,3.835917
+5000000,4,6000000.010000,4.603531
+6000000,4,7200000.010000,5.676630
+1000000,16,1320000.010000,1.951303
+2000000,16,2640000.010000,3.845009
+3000000,16,3960000.010000,5.823685
+4000000,16,5280000.010000,7.786907
+5000000,16,6600000.010000,9.746737
+6000000,16,7920000.010000,11.603873

pkg/sql/opt/opbench/testdata/scan-orders.csv

@@ -0,0 +1,25 @@
+rows,num_cols,estimated,actual
+250000,1,275000.010000,0.234685
+500000,1,550000.010000,0.355673
+750000,1,825000.010000,0.536125
+1000000,1,1100000.010000,0.735832
+1250000,1,1375000.010000,0.909200
+1500000,1,1650000.010000,1.036382
+250000,3,280000.010000,0.226567
+500000,3,560000.010000,0.441384
+750000,3,840000.010000,0.611747
+1000000,3,1120000.010000,0.881042
+1250000,3,1400000.010000,1.092393
+1500000,3,1680000.010000,1.314116
+250000,6,287500.010000,0.292452
+500000,6,575000.010000,0.496511
+750000,6,862500.010000,0.817809
+1000000,6,1150000.010000,1.162477
+1250000,6,1437500.010000,1.451609
+1500000,6,1725000.010000,1.760463
+250000,9,295000.010000,0.360331
+500000,9,590000.010000,0.626732
+750000,9,885000.010000,0.992292
+1000000,9,1180000.010000,1.368585
+1250000,9,1475000.010000,1.727139
+1500000,9,1770000.010000,2.056275

pkg/sql/opt/opbench/testdata/sort-lineitem.csv

@@ -0,0 +1,19 @@
+rows,num_cols,estimated,actual
+1000000,1,1588631.391386,1.467528
+2000000,1,3217262.762773,3.007519
+3000000,1,4860991.884203,5.827569
+4000000,1,6514525.505546,7.106306
+5000000,1,8175349.686421,8.982024
+6000000,1,9841983.748405,10.749726
+1000000,2,1598631.391386,1.665857
+2000000,2,3237262.762773,4.036806
+3000000,2,4890991.884203,6.109568
+4000000,2,6554525.505546,8.072787
+5000000,2,8225349.686421,9.743525
+6000000,2,9901983.748405,12.756862
+1000000,3,1608631.391386,2.786447
+2000000,3,3257262.762773,4.812669
+3000000,3,4920991.884203,7.417335
+4000000,3,6594525.505546,11.088666
+5000000,3,8275349.686421,12.703216
+6000000,3,9961983.748405,14.615791