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@@ -0,0 +1,640 @@ |
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try { |
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var React = require('react'); |
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var d3 = require('d3'); |
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} catch(e) { |
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// pass |
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} |
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var Node = function(rn, text){ |
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var self = this; |
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this.rn = rn; |
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this.text = text; |
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this.level = null; |
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this.parent_node = null; |
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this.kids = []; |
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this.cost = null; |
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this.exclusive_cost = null; |
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this.time = null; |
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this.loops = null; |
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this.inclusive_time = null; |
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this.exclusive_time = null; |
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this.subplan = false; |
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this.cte = false; |
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this.cte_id = null; |
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this.parent_cte = null; |
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this.never_executed = false; |
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// d3 related |
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this.name = rn; |
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this.value = 10; |
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this.parent = null; |
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// |
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this.parseParam = function(pattern){ |
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var val = self.text.match(pattern); |
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if (val && val.length > 0){ |
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val = val[1].split('..'); |
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if (val && val.length == 2){ |
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return val; |
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} |
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} |
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return null; |
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}; |
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this.parseText = function(){ |
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self.cost = self.parseParam(/cost=([^\s]*)/); |
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self.exclusive_cost = (self.cost ? self.cost[1] : null); |
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self.time = self.parseParam(/actual time=([^\s]*)/); |
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var loops = self.text.match(/loops=([0-9]*)/); |
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loops = loops ? loops[1] : null; |
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self.loops = loops; |
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self.inclusive_time = (self.time ? self.time[1]*self.loops : null); |
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self.exclusive_time = self.inclusive_time; |
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self.never_executed = (self.text.match(/\(never executed\)/) != null) |
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if (self.text.match(/\(+/) != null){ // if at least one bracket |
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self.node_description = self.text.match(/\s*[->]*(.*?)[(]/)[1]; |
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self.node_details = self.text.match(/[(].*/)[0]; |
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} else { // row without bracket is a details row |
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self.node_description = null; |
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self.node_details = self.text.match(/^[\s]*(.*)/)[1]; |
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} |
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// collapsiblle nodes are started from "->", "InitPlan", "SubPlan" |
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self.collapsible = (self.text.match(/\s*->/) === null ? false : true); |
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if (self.text.match(/^[\s]*InitPlan/) != null || self.text.match(/^[\s]*SubPlan/) != null){ |
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self.subplan = true; |
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self.collapsible = true; |
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self.node_description = self.text.trim(); |
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self.node_details = null; |
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} |
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// detect CTE |
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if (self.text.match(/^[\s]*CTE/) != null && self.text.match(/^[\s]*CTE Scan/) === null){ |
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self.cte = true; |
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self.collapsible = true; |
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self.subplan = true; |
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self.node_description = self.text.match(/^[\s]*(.*)/)[1]; |
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self.node_details = null; |
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self.cte_id = self.text.match(/^[\s]*CTE ([^\s]*)/)[1]; |
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} |
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// detect parent CTE |
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if (self.text.match(/\s*CTE Scan/) != null){ |
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self.parent_cte = self.text.match(/\s*CTE Scan on ([^\s]*)/)[1]; |
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} |
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// detect level |
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var level = self.text.match(/^[\s]*->/); |
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if (self.rn == 0){ // root node |
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self.node_level = 0; |
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} else if (level != null && level.length > 0){ // plan node |
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self.node_level = (level[0].length)-2; |
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} else { // details node |
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self.node_level = self.text.match(/^[\s]*/)[0].length; |
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} |
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}; |
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this.setParent = function(parent_node){ |
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self.parent_node = parent_node; |
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if (parent_node != null){ |
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self.parent_node.addChild(self); |
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self.parent = parent_node.name; |
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} else { |
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self.parent = null; |
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} |
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if (parent_node != null && self.cost != null){ |
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self.parent_node.deductCost(self.cost[1]); |
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} |
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if (parent_node != null && self.exclusive_time != null){ |
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self.parent_node.deductTime(self.inclusive_time); |
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} |
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}; |
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this.addChild = function(node){ |
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self.kids.push(node); |
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}; |
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this.deductCost = function(cost){ |
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self.exclusive_cost = self.exclusive_cost - cost; |
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}; |
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this.deductTime = function(time){ |
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self.exclusive_time = self.exclusive_time - time; |
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}; |
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this.hideSwitchChildren = function(is_hidden){ |
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this.hidden = is_hidden; |
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if (this.kids){ |
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this.kids.forEach(function(item){ |
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item.hideSwitchChildren(is_hidden); |
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}); |
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} |
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}; |
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self.parseText(); |
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return self; |
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} |
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var PGPlanNodes = function (records){ |
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var nodes = []; |
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var ctes = []; |
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var subplans = []; |
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var getParent = function(node){ |
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var ret = null; |
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nodes.forEach(function(item){ |
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if (item.node_level < node.node_level){ |
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ret = item; |
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} |
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}); |
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return ret; |
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} |
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// find parent for each node and fill CTEs list |
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records.forEach(function(record, rn){ |
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var node = new Node(rn, record[0]); |
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var parent_node = getParent(node); |
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node.setParent(parent_node); |
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nodes.push(node); |
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if (node.cte){ |
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ctes.push(node); |
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} |
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if (node.subplan && !node.cte){ |
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subplans.push(node); |
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} |
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}); |
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var deductCte = function(deducted_node, subtrahend){ |
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if (subtrahend.kids.length < 1){return;} |
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if (subtrahend.kids[0].cost){ |
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deducted_node.deductCost(subtrahend.kids[0].cost[1]); |
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} |
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if (subtrahend.kids[0].inclusive_time){ |
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deducted_node.deductTime(subtrahend.kids[0].inclusive_time); |
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} |
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} |
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// Deduct CTE and SubPlan cost/time |
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ctes.forEach(function(ctenode){ |
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// CTE Scan includes the cost of CTE, so needs to be deducted |
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nodes.forEach(function(node){ |
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if (node.parent_cte == ctenode.cte_id){ // cte scan node |
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deductCte(node, ctenode); |
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} |
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}); |
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// if parent node of CTE is not CTE Scan, then deduct CTE cost from it |
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if (ctenode.parent_node.parent_cte == null){ |
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deductCte(ctenode.parent_node, ctenode); |
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} |
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}); |
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subplans.forEach(function(subplan_node){ |
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if (subplan_node.parent_node != null){ |
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deductCte(subplan_node.parent_node, subplan_node); |
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} |
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}) |
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// replace records with nodes objects |
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nodes.forEach(function(node, idx){ |
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records[idx] = node; |
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}); |
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// calculate cost/time percentage for each node and parse the details about the nodes |
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var summary_record = records[0]; |
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var total_cost = summary_record.cost ? summary_record.cost[1] : null; |
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var total_time = summary_record.inclusive_time; |
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records.forEach(function(record, idx){ // eslint-disable-line no-unused-vars |
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var exclusive_cost = record.exclusive_cost ? record.exclusive_cost : null; |
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var inclusive_cost_percentage = record.cost ? record.cost[1]/total_cost*100 : null; |
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var inclusive_time_percentage = record.time ? record.time[1]*record.loops/total_time*100 : null; |
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var cost_percentage = exclusive_cost ? exclusive_cost/total_cost*100 : null; |
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var time_percentage = record.exclusive_time ? record.exclusive_time/total_time*100 : null; |
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record.cost_percentage = cost_percentage; |
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record.inclusive_cost_percentage = inclusive_cost_percentage; |
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record.time_percentage = time_percentage; |
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record.inclusive_time_percentage = inclusive_time_percentage; |
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}); |
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return records; |
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} |
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var PGPlan = React.createClass({ |
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getInitialState: function(){ |
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return { |
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data: this.props.nodes, |
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show_row_number: true, |
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view: 'plain', |
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subview: null, |
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highlight: true, |
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viewport_size: { |
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width: 960, |
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height: 500, |
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} |
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}; |
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}, |
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componentDidMount: function(){ |
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if (this.state.view == "tree"){ |
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this.mountTree(); |
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} |
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}, |
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componentDidUpdate: function(){ |
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if (this.state.view == "tree"){ |
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this.mountTree(); |
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} |
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}, |
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componentWillReceiveProps: function(newprops){ |
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this.setState({data: newprops.nodes}); |
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}, |
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collapseSwitch: function(record_idx){ |
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var data = this.state.data; |
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var is_collapsed =!data[record_idx].collapsed; |
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data[record_idx].collapsed = is_collapsed; |
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data[record_idx].kids.forEach(function(node){ |
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data[node.rn].hideSwitchChildren(is_collapsed); |
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data[node.rn].collapsed = false; |
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}); |
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this.setState({data: data}); |
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}, |
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switchRowNumber: function(){ |
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this.setState({show_row_number: !this.state.show_row_number}); |
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}, |
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switchView: function(view, subview){ |
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this.setState({view: view, subview: subview}); |
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}, |
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switchHighlight: function(){ |
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this.setState({highlight: !this.state.highlight}); |
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}, |
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renderRecord: function(record, idx){ |
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var self = this; |
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if (record.hidden){ |
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return null; |
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} |
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var val = record[0]; |
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var exclusive_percentage = record.cost_percentage; |
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var inclusive_percentage = record.inclusive_cost_percentage; |
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if (record.time_percentage != null){ |
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exclusive_percentage = record.time_percentage; |
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inclusive_percentage = record.inclusive_time_percentage; |
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} |
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var exclusive_color = "rgba(251, 2, 2, 0.4)"; |
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var inclusive_color = "rgba(251, 2, 2, 0.1)"; |
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if (record.never_executed){ |
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exclusive_color = "rgba(51, 122, 183, 0.4)"; |
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inclusive_color = "rgba(51, 122, 183, 0.1)"; |
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} |
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if (exclusive_percentage === null){exclusive_percentage = 0} |
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if (inclusive_percentage === null){inclusive_percentage = 0} |
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var exclusive_gradient = exclusive_color+", "+exclusive_color+" "+exclusive_percentage+"%, "; |
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var inclusive_gradient = inclusive_color+" "+exclusive_percentage+"%, "+inclusive_color+" "+inclusive_percentage+"%, "; |
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var transparent_gradient = "transparent "+inclusive_percentage+"%, transparent 100%"; |
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var style = "linear-gradient(to right, "+exclusive_gradient+inclusive_gradient+transparent_gradient+")"; |
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// wrap explain plan nodes with span tag |
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if (idx == 0 && this.state.highlight){ // 1st row is always a node |
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val = <span> |
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<span className="explain-plan-header-title"> |
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{record.node_description} |
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</span> |
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<span className="explain-plan-details"> |
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{record.node_details} |
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</span></span> |
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} else { |
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var spaces = <span>{" ".repeat(record.node_level)}</span>; |
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var record_style = "explain-plan-record"; |
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var collapse = null; |
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var collapse_note = null; |
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if (record.collapsible && !record.subplan) { |
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record_style = "explain-plan-collapsible-record"; |
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var collapse_icon = "glyphicon-circle-arrow-right"; |
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if (record.collapsed){ |
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collapse_icon = "glyphicon-circle-arrow-up"; |
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collapse_note = "[subtree skipped]"; |
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} |
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collapse = <span> |
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<span className={"glyphicon "+collapse_icon+" explain-plan-node-arrow"} onClick={ |
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function(){self.collapseSwitch(idx);} |
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}></span> |
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<span className="explain-plan-node-arrow-hidden">-></span> |
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</span>; |
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} |
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if (record.cte) { |
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record_style = "explain-plan-cte-record"; |
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} |
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/////// |
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if (this.state.highlight){ |
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val = <span> |
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{spaces} |
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{collapse} |
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<span className="explain-plan-node-title"> |
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{record.node_description} |
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</span> |
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<span className="explain-plan-details"> |
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{record.node_details} |
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</span> |
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<span className="explain-plan-node-skipped-note">{collapse_note}</span> |
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</span> |
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} else { |
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val = <span>{record.text}</span> |
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style = ""; |
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} |
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} |
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var rn = null; |
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if (this.state.show_row_number){ |
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rn = <td className="record-rownum">{idx+1}</td> |
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} else { |
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rn = <td className="record-rownum"></td> |
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} |
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return (<tr key={"plan-record-"+idx} className={record_style}> |
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{rn} |
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<td style={{background: style}}>{val}</td> |
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</tr>); |
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//<td> {record.inclusive_time} </td> |
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//<td> {record.exclusive_time} </td> |
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//<td> {record.time_percentage} % </td> |
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}, |
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render: function(){ |
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var self = this; |
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if (this.state.view == "tree"){ |
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return this.renderTree(); |
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} |
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var data = this.state.data; |
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var plan_records = []; |
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if (typeof(data) == "undefined"){ |
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return null; |
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} |
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data.forEach(function(record, idx){ |
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plan_records.push( |
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self.renderRecord(record, idx) |
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); |
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}); |
|
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return (<div> |
|
|
|
{self.renderViewSwitcher()} |
|
|
|
<table className="table-resultset table table-hover"> |
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|
<thead> |
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|
<tr> |
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|
<th><span className="explain-plan-rownum-switch" onClick={self.switchRowNumber}>#</span></th> |
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|
<th><span className="explain-plan-rownum-switch" onClick={self.switchHighlight}> QUERY PLAN </span></th> |
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|
</tr> |
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|
</thead> |
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|
<tbody> |
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|
{plan_records} |
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|
</tbody> |
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</table> |
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|
</div>) |
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}, |
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|
renderViewSwitcher: function(){ |
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|
var self = this; |
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|
var zoom = null; |
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|
if (self.state.view == "tree"){ |
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|
zoom = <span> |
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|
<span className="glyphicon glyphicon-zoom-out explain-plan-view-switcher" onClick={self.zoomOut}></span> |
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|
<span className="glyphicon glyphicon-zoom-in explain-plan-view-switcher" onClick={self.zoomIn}></span> |
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|
</span> |
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|
} |
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|
return ( |
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|
|
<div className="explain-plan-toolbar"> |
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|
<span className="glyphicon glyphicon-th-list explain-plan-view-switcher" onClick={function(){self.switchView("plain")}}></span> |
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|
<span className="glyphicon glyphicon-tree-deciduous explain-plan-view-switcher" onClick={function(){self.switchView("tree")}}></span> |
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|
<span className="glyphicon glyphicon-tree-conifer explain-plan-view-switcher" onClick={function(){self.switchView("tree", "conifer")}}></span> |
|
|
|
{zoom} |
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|
|
</div> |
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|
|
); |
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|
}, |
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|
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|
|
zoomIn: function(){ |
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|
|
this.setState({viewport_size: { |
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|
|
width: this.state.viewport_size.width + 100, |
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|
|
height: this.state.viewport_size.height + 200, |
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|
}}); |
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|
}, |
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|
|
zoomOut: function(){ |
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|
this.setState({viewport_size: { |
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|
width: this.state.viewport_size.width - 100, |
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|
|
height: this.state.viewport_size.height - 200, |
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|
|
}}); |
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|
|
}, |
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|
|
|
|
|
renderTree: function(){ |
|
|
|
var self = this; |
|
|
|
return ( |
|
|
|
<div treetype={self.state.subview}> |
|
|
|
{self.renderViewSwitcher()} |
|
|
|
<div ref="treeMountPoint" className="explain-plan-mount-div" viewport_width={self.state.viewport_size.width}></div> |
|
|
|
</div> |
|
|
|
); |
|
|
|
}, |
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|
|
|
|
|
|
mountTree: function(){ |
|
|
|
var self = this; |
|
|
|
var treeData = [this.state.data[0]]; |
|
|
|
|
|
|
|
// Generate the tree diagram |
|
|
|
var margin = {top: 20, right: 120, bottom: 20, left: 220}, |
|
|
|
width = self.state.viewport_size.width - margin.right - margin.left, |
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|
|
height = self.state.viewport_size.height - margin.top - margin.bottom; |
|
|
|
|
|
|
|
var i = 0; |
|
|
|
|
|
|
|
var tree = d3.layout.cluster() |
|
|
|
|
|
|
|
tree.size([height, width]) |
|
|
|
.children(function(d){ // filter out details records |
|
|
|
var kids = []; |
|
|
|
if (d.kids){ |
|
|
|
d.kids.forEach(function(item){ |
|
|
|
if (item.collapsible){ |
|
|
|
kids.push(item) |
|
|
|
} |
|
|
|
}); |
|
|
|
} |
|
|
|
return kids; |
|
|
|
}); |
|
|
|
|
|
|
|
var diagonal = d3.svg.diagonal() |
|
|
|
.projection(function(d) { return [d.y, d.x]; }); |
|
|
|
|
|
|
|
d3.select(this.refs.treeMountPoint).select("svg").remove(); // remove proviously rendered svg |
|
|
|
var svg = d3.select(this.refs.treeMountPoint).append("svg") |
|
|
|
.attr("height", height) |
|
|
|
.attr("width", width) |
|
|
|
.append("g") |
|
|
|
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
|
|
|
|
|
|
|
|
|
|
|
var root = treeData[0]; |
|
|
|
update(root); |
|
|
|
|
|
|
|
function update() { |
|
|
|
|
|
|
|
// Compute tree layout. |
|
|
|
var nodes = tree.nodes(root), |
|
|
|
links = tree.links(nodes); |
|
|
|
|
|
|
|
// compute CTE links |
|
|
|
var ctes = {}; |
|
|
|
var cte_links = []; |
|
|
|
nodes.forEach(function(node){ |
|
|
|
if (node.cte){ |
|
|
|
ctes[node.cte_id] = node; |
|
|
|
} |
|
|
|
}); |
|
|
|
nodes.forEach(function(node){ // don't merge it to the above loop as CTE Scan can appear before CTE |
|
|
|
if (node.parent_cte){ |
|
|
|
cte_links.push({ |
|
|
|
source: node, |
|
|
|
target: ctes[node.parent_cte], |
|
|
|
}); |
|
|
|
} |
|
|
|
}); |
|
|
|
|
|
|
|
if (self.state.subview == "conifer"){ |
|
|
|
// Normalize for fixed-depth. |
|
|
|
nodes.forEach(function(d) { d.y = d.depth * 180; }); |
|
|
|
} |
|
|
|
|
|
|
|
// Declare the nodes… |
|
|
|
var node = svg.selectAll("g.node") |
|
|
|
.data(nodes, function(d) { return d.id || (d.id = ++i); }); |
|
|
|
|
|
|
|
// Enter the nodes. |
|
|
|
var maxY = 0; |
|
|
|
var maxX = 0; |
|
|
|
var nodeEnter = node.enter().append("g") |
|
|
|
.attr("class", "node") |
|
|
|
.attr("transform", function(d) { |
|
|
|
maxX = (d.x > maxX ? d.x : maxX); |
|
|
|
maxY = (d.y > maxY ? d.y : maxY); |
|
|
|
return "translate(" + d.y + "," + d.x + ")"; |
|
|
|
}); |
|
|
|
|
|
|
|
nodeEnter.append("circle") |
|
|
|
.attr("r", function(d) { |
|
|
|
var ret = (d.time_percentage ? d.time_percentage*0.5 : d.cost_percentage*0.5); |
|
|
|
if (ret < 3){ |
|
|
|
return 3; |
|
|
|
} else { |
|
|
|
return ret; |
|
|
|
} |
|
|
|
}) |
|
|
|
.attr("class", function(d){ |
|
|
|
if (d.never_executed){ |
|
|
|
return "explain-plan-tree-circle explain-plan-tree-circle-never-executed"; |
|
|
|
} else { |
|
|
|
return "explain-plan-tree-circle"; |
|
|
|
} |
|
|
|
|
|
|
|
}); |
|
|
|
|
|
|
|
nodeEnter.append("text") |
|
|
|
.attr("x", function(d) { |
|
|
|
return d.children || d._children ? |
|
|
|
(d.value + 4) * -1 : d.value + 4 }) |
|
|
|
.attr("dy", function(d){ |
|
|
|
if (!d.parent || !d.children){ |
|
|
|
return ".35em" |
|
|
|
} else { |
|
|
|
return "1.5em" |
|
|
|
} |
|
|
|
}) |
|
|
|
.attr("class", "explain-plan-tree-node-text") |
|
|
|
.attr("text-anchor", function(d) { |
|
|
|
if (!d.parent){ return "end"; } |
|
|
|
if (!d.children){ return "start"; } |
|
|
|
return "middle"; |
|
|
|
}) |
|
|
|
.text(function(d) { return d.node_description; }) |
|
|
|
|
|
|
|
// Declare the links… |
|
|
|
var link = svg.selectAll("path.link") |
|
|
|
.data(links, function(d) { return d.target.id; }); |
|
|
|
|
|
|
|
// Enter the links. |
|
|
|
link.enter().insert("path", "g") |
|
|
|
.attr("class", "link explain-plan-tree-link") |
|
|
|
.attr("d", diagonal); |
|
|
|
|
|
|
|
// remove initial CTE links |
|
|
|
d3.select(self.refs.treeMountPoint).selectAll("path.link").filter(function(d){ |
|
|
|
return d.target.cte; |
|
|
|
}).remove(); |
|
|
|
|
|
|
|
// declare proper CTE links |
|
|
|
var cte_link = svg.selectAll("path.link") |
|
|
|
.data(cte_links, function(d) { return d.source.id; }); |
|
|
|
|
|
|
|
// Enter cte links. |
|
|
|
cte_link.enter().insert("path", "g") |
|
|
|
.attr("class", "link explain-plan-tree-link explain-plan-cte-link") |
|
|
|
.attr("d", function(d){return diagonal(d)}); |
|
|
|
|
|
|
|
// Adjust viewport size according to the built tree |
|
|
|
d3.select(self.refs.treeMountPoint).selectAll("svg") |
|
|
|
.attr("width", maxY+1000) |
|
|
|
.attr("height", maxX+100) |
|
|
|
|
|
|
|
// Adjust parent div height to display entire svg |
|
|
|
d3.select(self.refs.treeMountPoint).attr("style", "height: "+(maxX+100)+"px"); |
|
|
|
} |
|
|
|
} |
|
|
|
}); |
|
|
|
|
|
|
|
try{ |
|
|
|
module.exports = { |
|
|
|
"PGPlan": PGPlan, |
|
|
|
"PGPlanNodes": PGPlanNodes, |
|
|
|
} |
|
|
|
} catch(e){ |
|
|
|
// pass |
|
|
|
} |
Sasha Aliashkevich
3 weeks ago