digraph { graph [rankdir = "LR", label = "Plan Tree: SELECT T1.C1, T1.C2 FROM T1 JOIN T2 ON (T1.C1 = T2.C1);"] node [shape=record,style=filled,fillcolor=gray95] edge [arrowtail=empty] 29[label = " Alias (29)|aliasname: t1| colnames: "] 31[label = " String (31)|c1"] 30[label = " List (30)|<1> [0]|<2> [1]"] 32[label = " String (32)|c2"] 34[label = " Alias (34)|aliasname: t2| colnames: "] 36[label = " String (36)|c1"] 35[label = " List (35)|<1> [0]|<2> [1]"] 37[label = " String (37)|c2"] 41[label = " String (41)|c1"] 42[label = " String (42)|c2"] 43[label = " String (43)|c1"] 44[label = " String (44)|c2"] 39[label = " Alias (39)|aliasname: unnamed_join| colnames: "] 40[label = " List (40)|<1> [0]|<2> [1]|<3> [2]|<4> [3]"] 8[label = " SeqScan (8)|startup_cost: 0.00|total_cost: 145.01|plan_rows: 10001|plan_width: 8| targetlist: |extParam: (b)|allParam: (b)|scanrelid: 1"] 18[label = " SeqScan (18)|startup_cost: 0.00|total_cost: 145.01|plan_rows: 10001|plan_width: 4| targetlist: |extParam: (b)|allParam: (b)|scanrelid: 2"] 14[label = " Material (14)|startup_cost: 0.00|total_cost: 195.01|plan_rows: 10001|plan_width: 4| targetlist: | lefttree: |extParam: (b)|allParam: (b)"] 2[label = " NestLoop (2)|startup_cost: 0.00|total_cost: 1500615.04|plan_rows: 10001|plan_width: 8| targetlist: | lefttree: | righttree: |extParam: (b)|allParam: (b)|jointype: JOIN_INNER| joinqual: "] 28[label = " RangeTblEntry(RTE) (28)|rtekind: RTE_RELATION|relid: 16748|relkind: 114| eref: |lateral: false|inh: false|inFromCl: true|requiredPerms: 2|selectedCols: (b 9 10)|insertedCols: (b)|updatedCols: (b)"] 27[label = " List (27)|<1> [0]|<2> [1]|<3> [2]"] 45[label = " OidList (45)|16748 16751 "] 33[label = " RangeTblEntry(RTE) (33)|rtekind: RTE_RELATION|relid: 16751|relkind: 114| eref: |lateral: false|inh: false|inFromCl: true|requiredPerms: 2|selectedCols: (b 9)|insertedCols: (b)|updatedCols: (b)"] 38[label = " RangeTblEntry(RTE) (38)|rtekind: RTE_JOIN|jointype: JOIN_INNER| eref: |lateral: false|inh: false|inFromCl: true|requiredPerms: 0|selectedCols: (b)|insertedCols: (b)|updatedCols: (b)"] 1[label = " PlannedStmt (1)|commandType: CMD_SELECT|queryId: 0|hasReturning: false|hasModifyingCTE: false|canSetTag: true|transientPlan: false| planTree: | rtable: |rewindPlanIDs: (b)| relationOids: |nParamExec: 0|hasRowSecurity: false"] 29:colnames -> 30:head [headlabel = "29", taillabel = "30"] 30:1 -> 31:head [headlabel = "30", taillabel = "31"] 30:2 -> 32:head [headlabel = "30", taillabel = "32"] 34:colnames -> 35:head [headlabel = "34", taillabel = "35"] 35:1 -> 36:head [headlabel = "35", taillabel = "36"] 35:2 -> 37:head [headlabel = "35", taillabel = "37"] 39:colnames -> 40:head [headlabel = "39", taillabel = "40"] 40:1 -> 41:head [headlabel = "40", taillabel = "41"] 40:2 -> 42:head [headlabel = "40", taillabel = "42"] 40:3 -> 43:head [headlabel = "40", taillabel = "43"] 40:4 -> 44:head [headlabel = "40", taillabel = "44"] 8:targetlist -> 9:head [headlabel = "8", taillabel = "9"] 18:targetlist -> 19:head [headlabel = "18", taillabel = "19"] 14:lefttree -> 18:head [headlabel = "14", taillabel = "18"] 14:targetlist -> 15:head [headlabel = "14", taillabel = "15"] 2:lefttree -> 8:head [headlabel = "2", taillabel = "8"] 2:righttree -> 14:head [headlabel = "2", taillabel = "14"] 2:joinqual -> 22:head [headlabel = "2", taillabel = "22"] 2:targetlist -> 3:head [headlabel = "2", taillabel = "3"] 28:eref -> 29:head [headlabel = "28", taillabel = "29"] 27:1 -> 28:head [headlabel = "27", taillabel = "28"] 27:2 -> 33:head [headlabel = "27", taillabel = "33"] 27:3 -> 38:head [headlabel = "27", taillabel = "38"] 33:eref -> 34:head [headlabel = "33", taillabel = "34"] 38:eref -> 39:head [headlabel = "38", taillabel = "39"] 1:planTree -> 2:head [headlabel = "1", taillabel = "2"] 1:rtable -> 27:head [headlabel = "1", taillabel = "27"] 1:relationOids -> 45:head [headlabel = "1", taillabel = "45"] subgraph cluster_0 { label = "Target List"; 11[label = " Var (11)|varno: 1|varattno: 1|vartype: 23|vartypmod: -1|varlevelsup: 0|varnoold: 1|varoattno: 1"] 10[label = " TargetEntry (10)| expr: |resno: 1|resjunk: false"] 9[label = " List (9)|<1> [0]|<2> [1]"] 13[label = " Var (13)|varno: 1|varattno: 2|vartype: 23|vartypmod: -1|varlevelsup: 0|varnoold: 1|varoattno: 2"] 12[label = " TargetEntry (12)| expr: |resno: 2|resjunk: false"] 10:expr -> 11:head [headlabel = "10", taillabel = "11"] 9:1 -> 10:head [headlabel = "9", taillabel = "10"] 9:2 -> 12:head [headlabel = "9", taillabel = "12"] 12:expr -> 13:head [headlabel = "12", taillabel = "13"] } subgraph cluster_1 { label = "Target List"; 21[label = " Var (21)|varno: 2|varattno: 1|vartype: 23|vartypmod: -1|varlevelsup: 0|varnoold: 2|varoattno: 1|location: 48"] 20[label = " TargetEntry (20)| expr: |resno: 1|resjunk: false"] 19[label = " List (19)|<1> [0]"] 20:expr -> 21:head [headlabel = "20", taillabel = "21"] 19:1 -> 20:head [headlabel = "19", taillabel = "20"] } subgraph cluster_2 { label = "Target List"; 15[label = " List (15)|<1> [0]"] 17[label = " Var (17)|varno: OUTER_VAR|varattno: 1|vartype: 23|vartypmod: -1|varlevelsup: 0|varnoold: 2|varoattno: 1"] 16[label = " TargetEntry (16)| expr: |resno: 1|resjunk: false"] 15:1 -> 16:head [headlabel = "15", taillabel = "16"] 16:expr -> 17:head [headlabel = "16", taillabel = "17"] } subgraph cluster_3 { label = "Express Tree"; 23[label = " OpExpr (23)|opno: 96|opfuncid: 65|opresulttype: 16|opretset: false| args: "] 25[label = " Var (25)|varno: OUTER_VAR|varattno: 1|vartype: 23|vartypmod: -1|varlevelsup: 0|varnoold: 1|varoattno: 1|location: 40"] 24[label = " List (24)|<1> [0]|<2> [1]"] 26[label = " Var (26)|varno: INNER_VAR|varattno: 1|vartype: 23|vartypmod: -1|varlevelsup: 0|varnoold: 2|varoattno: 1|location: 48"] 22[label = " List (22)|<1> [0]"] 23:args -> 24:head [headlabel = "23", taillabel = "24"] 24:1 -> 25:head [headlabel = "24", taillabel = "25"] 24:2 -> 26:head [headlabel = "24", taillabel = "26"] 22:1 -> 23:head [headlabel = "22", taillabel = "23"] } subgraph cluster_4 { label = "Target List"; 4[label = " TargetEntry (4)| expr: |resno: 1|resname: c1|resorigtbl: 16748|resorigcol: 1|resjunk: false"] 5[label = " Var (5)|varno: OUTER_VAR|varattno: 1|vartype: 23|vartypmod: -1|varlevelsup: 0|varnoold: 1|varoattno: 1|location: 7"] 3[label = " List (3)|<1> [0]|<2> [1]"] 6[label = " TargetEntry (6)| expr: |resno: 2|resname: c2|resorigtbl: 16748|resorigcol: 2|resjunk: false"] 7[label = " Var (7)|varno: OUTER_VAR|varattno: 2|vartype: 23|vartypmod: -1|varlevelsup: 0|varnoold: 1|varoattno: 2|location: 14"] 4:expr -> 5:head [headlabel = "4", taillabel = "5"] 3:1 -> 4:head [headlabel = "3", taillabel = "4"] 3:2 -> 6:head [headlabel = "3", taillabel = "6"] 6:expr -> 7:head [headlabel = "6", taillabel = "7"] } }