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581
ctl/explainShape.cpp
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581
ctl/explainShape.cpp
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//////////////////////////////////////////////////////////////////////////
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//
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// pgAdmin III - PostgreSQL Tools
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//
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// Copyright (C) 2002 - 2016, The pgAdmin Development Team
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// This software is released under the PostgreSQL Licence
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//
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// explainShape.cpp - Explain Shapes
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//
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//////////////////////////////////////////////////////////////////////////
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// wxWindows headers
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#include <wx/wx.h>
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// App headers
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#include "pgAdmin3.h"
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#include "ctl/explainCanvas.h"
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#include <wx/docview.h>
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#include "images/ex_aggregate.pngc"
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#include "images/ex_append.pngc"
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#include "images/ex_bmp_and.pngc"
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#include "images/ex_bmp_heap.pngc"
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#include "images/ex_bmp_index.pngc"
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#include "images/ex_bmp_or.pngc"
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#include "images/ex_cte_scan.pngc"
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#include "images/ex_delete.pngc"
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#include "images/ex_foreign_scan.pngc"
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#include "images/ex_group.pngc"
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#include "images/ex_hash.pngc"
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#include "images/ex_hash_anti_join.pngc"
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#include "images/ex_hash_semi_join.pngc"
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#include "images/ex_hash_setop_except.pngc"
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#include "images/ex_hash_setop_except_all.pngc"
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#include "images/ex_hash_setop_intersect.pngc"
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#include "images/ex_hash_setop_intersect_all.pngc"
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#include "images/ex_hash_setop_unknown.pngc"
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#include "images/ex_index_only_scan.pngc"
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#include "images/ex_index_scan.pngc"
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#include "images/ex_insert.pngc"
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#include "images/ex_lock_rows.pngc"
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#include "images/ex_join.pngc"
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#include "images/ex_limit.pngc"
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#include "images/ex_materialize.pngc"
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#include "images/ex_merge.pngc"
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#include "images/ex_merge_anti_join.pngc"
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#include "images/ex_merge_append.pngc"
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#include "images/ex_merge_semi_join.pngc"
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#include "images/ex_gatcher.pngc"
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#include "images/ex_nested.pngc"
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#include "images/ex_nested_loop_anti_join.pngc"
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#include "images/ex_nested_loop_semi_join.pngc"
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#include "images/ex_recursive_union.pngc"
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#include "images/ex_result.pngc"
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#include "images/ex_scan.pngc"
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#include "images/ex_pscan.pngc"
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#include "images/ex_seek.pngc"
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#include "images/ex_setop.pngc"
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#include "images/ex_sort.pngc"
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#include "images/ex_subplan.pngc"
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#include "images/ex_tid_scan.pngc"
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#include "images/ex_unique.pngc"
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#include "images/ex_unknown.pngc"
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#include "images/ex_update.pngc"
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#include "images/ex_values_scan.pngc"
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#include "images/ex_window_aggregate.pngc"
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#include "images/ex_worktable_scan.pngc"
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// Greenplum images
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#include "images/ex_broadcast_motion.pngc"
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#include "images/ex_redistribute_motion.pngc"
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#include "images/ex_gather_motion.pngc"
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#define BMP_BORDER 3
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ExplainShape::ExplainShape(const wxImage &bmp, const wxString &description, long tokenNo, long detailNo)
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{
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SetBitmap(wxBitmap(bmp));
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SetLabel(description, tokenNo, detailNo);
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kidCount = 0;
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totalShapes = 0;
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usedShapes = 0;
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m_rootShape = false;
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}
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void ExplainShape::SetLabel(const wxString &str, int tokenNo, int detailNo)
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{
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if (tokenNo < 0)
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{
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description = str;
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label = str;
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}
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else
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{
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wxStringTokenizer tokens(str, wxT(" "));
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while (tokenNo-- >= 0)
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{
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label = tokens.GetNextToken();
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if (detailNo <= 0)
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{
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if (!description.IsEmpty())
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description.Append(wxT(" "));
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description.Append(label);
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}
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}
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if (detailNo > 0)
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{
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tokens.SetString(str, wxT(" "));
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while (detailNo--)
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{
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if (!description.IsEmpty())
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description.Append(wxT(" "));
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description.Append(tokens.GetNextToken());
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}
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detail = tokens.GetString();
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}
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}
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}
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void ExplainShape::OnDraw(wxDC &dc)
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{
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wxBitmap &bmp = GetBitmap();
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if (!bmp.Ok())
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return;
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// We do not draw the root shape
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if (m_rootShape)
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return;
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int x, y;
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x = WXROUND(m_xpos - bmp.GetWidth() / 2.0);
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y = WXROUND(m_ypos - GetHeight() / 2.0);
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dc.DrawBitmap(bmp, x, y, true);
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int w, h;
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dc.SetFont(GetCanvas()->GetFont());
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dc.GetTextExtent(label, &w, &h);
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x = WXROUND(m_xpos - w / 2.0);
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y += bmp.GetHeight() + BMP_BORDER;
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dc.DrawText(label, x, y);
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}
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void ExplainShape::OnLeftClick(double x, double y, int keys, int attachment)
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{
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((ExplainCanvas *)GetCanvas())->ShowPopup(this);
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}
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#define ARROWMARGIN 5
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wxRealPoint ExplainShape::GetStartPoint()
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{
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wxRealPoint rp(GetX() + GetBitmap().GetWidth() / 2.0 + ARROWMARGIN, GetY() - (GetHeight() - GetBitmap().GetHeight()) / 2.);
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return rp;
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}
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wxRealPoint ExplainShape::GetEndPoint(int kidNo)
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{
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wxRealPoint rp(GetX() - GetBitmap().GetWidth() / 2.0 - ARROWMARGIN, GetY() - (GetHeight() - GetBitmap().GetHeight()) / 2. + (kidCount > 1 ? GetBitmap().GetHeight() * 2. / 3. * kidNo / (2 * kidCount - 2) : 0 ));
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return rp;
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}
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ExplainShape *ExplainShape::Create(long level, ExplainShape *last, const wxString &str)
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{
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ExplainShape *s = 0;
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int costPos = str.Find(wxT("(cost="));
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int actPos = str.Find(wxT("(actual"));
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bool parallel=false;
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int inc=0;
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wxStringTokenizer tokens(str, wxT(" "));
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wxString token = tokens.GetNextToken();
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if (token == wxT("Parallel"))
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{
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token = tokens.GetNextToken();
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parallel=true;
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inc=1;
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}
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wxString token2 = tokens.GetNextToken();
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wxString token3 = tokens.GetNextToken();
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wxString token4;
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if (tokens.HasMoreTokens())
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token4 = tokens.GetNextToken();
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wxString descr;
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if (costPos > 0)
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descr = str.Left(costPos);
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else if (actPos > 0)
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descr = str.Left(actPos);
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else
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descr = str;
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// Requested an empty shape, which can be treated as a root shape
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if (level == 0)
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{
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s = new ExplainShape(*ex_unknown_png_img, wxEmptyString);
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s->SetDraggable(false);
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s->m_rootShape = true;
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s->level = level;
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int w = 50, h = 20;
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wxBitmap &bmp = s->GetBitmap();
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if (w < bmp.GetWidth())
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w = bmp.GetWidth();
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s->SetHeight(bmp.GetHeight() + BMP_BORDER + h);
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s->SetWidth(w);
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s->upperShape = NULL;
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s->kidNo = 0;
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return s;
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}
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// possible keywords can be found in postgresql/src/backend/commands/explain.c
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if (token == wxT("Total")) return 0;
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else if (token == wxT("Trigger")) return 0;
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else if (token == wxT("Settings:")) return 0; /* Greenplum */
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else if (token == wxT("Slice")) return 0; /* Greenplum */
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else if (token.Mid(0, 6) == wxT("(slice")) return 0; /* Greenplum */
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else if (token == wxT("Result")) s = new ExplainShape(*ex_result_png_img, descr);
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else if (token == wxT("Append")) s = new ExplainShape(*ex_append_png_img, descr);
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else if (token == wxT("Gather")) s = new ExplainShape(*ex_gatcher_png_img, descr);
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else if (token == wxT("Nested"))
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{
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if (token2 == wxT("Loop") && token4 == wxT("Join"))
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{
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// Nested Loop Anti Join
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if (token3 == wxT("Anti"))
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{
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s = new ExplainShape(*ex_nested_loop_anti_join_png_img, descr);
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}
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// Nested Loop Semi Join
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else
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{
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s = new ExplainShape(*ex_nested_loop_semi_join_png_img, descr);
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}
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}
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if (!s)
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s = new ExplainShape(*ex_nested_png_img, descr);
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}
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else if (token == wxT("Merge"))
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{
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if (token3 == wxT("Join"))
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{
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// Merge Anti Join
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if (token2 == wxT("Anti"))
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{
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s = new ExplainShape(*ex_merge_anti_join_png_img, descr);
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}
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// Merge Semi Join
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else
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{
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s = new ExplainShape(*ex_merge_semi_join_png_img, descr);
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}
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}
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// Merge Append
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else if (token2 == wxT("Append"))
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{
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s = new ExplainShape(*ex_merge_append_png_img, descr);
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}
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else
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{
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s = new ExplainShape(*ex_merge_png_img, descr);
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}
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}
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else if (token == wxT("Hash"))
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{
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if (token2 == wxT("Join"))
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{
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s = new ExplainShape(*ex_join_png_img, descr);
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}
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else
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{
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if (token3 == wxT("Join"))
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{
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// Hash Anti Join
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if (token2 == wxT("Anti"))
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{
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s = new ExplainShape(*ex_hash_anti_join_png_img, descr);
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}
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// Hash Semi Join
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else if (token2 == wxT("Semi"))
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{
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s = new ExplainShape(*ex_hash_semi_join_png_img, descr);
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}
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else
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{
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s = new ExplainShape(*ex_hash_png_img, descr);
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}
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}
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else
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{
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s = new ExplainShape(*ex_hash_png_img, descr);
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}
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}
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}
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else if (token == wxT("HashSetOp"))
|
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{
|
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if (token2 == wxT("Except"))
|
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{
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// HashSetOp Except ALL
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if (token3 == wxT("ALL"))
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{
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s = new ExplainShape(*ex_hash_setop_except_all_png_img, descr);
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}
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// HashSetOp Except
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else
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{
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s = new ExplainShape(*ex_hash_setop_except_png_img, descr);
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}
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}
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else if (token2 == wxT("Intersect"))
|
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{
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// HashSetOp Intersect ALL
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if (token3 == wxT("ALL"))
|
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{
|
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s = new ExplainShape(*ex_hash_setop_intersect_all_png_img, descr);
|
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}
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// HashSetOp Intersect
|
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else
|
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{
|
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s = new ExplainShape(*ex_hash_setop_intersect_png_img, descr);
|
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}
|
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}
|
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else
|
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{
|
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// HashSetOp ???
|
||||
s = new ExplainShape(*ex_hash_setop_unknown_png_img, descr);
|
||||
}
|
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}
|
||||
else if (token == wxT("Subquery")) s = new ExplainShape(*ex_subplan_png_img, descr, 0, 2);
|
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else if (token == wxT("Function")) s = new ExplainShape(*ex_result_png_img, descr, 0, 2);
|
||||
else if (token == wxT("Materialize")) s = new ExplainShape(*ex_materialize_png_img, descr);
|
||||
else if (token == wxT("Sort")) s = new ExplainShape(*ex_sort_png_img, descr);
|
||||
else if (token == wxT("Group")) s = new ExplainShape(*ex_group_png_img, descr);
|
||||
else if (token == wxT("Aggregate") || token == wxT("GroupAggregate") || token == wxT("HashAggregate"))
|
||||
s = new ExplainShape(*ex_aggregate_png_img, descr);
|
||||
else if (token == wxT("Unique")) s = new ExplainShape(*ex_unique_png_img, descr);
|
||||
else if (token == wxT("SetOp")) s = new ExplainShape(*ex_setop_png_img, descr);
|
||||
else if (token == wxT("Limit")) s = new ExplainShape(*ex_limit_png_img, descr);
|
||||
else if (token == wxT("LockRows")) s = new ExplainShape(*ex_lock_rows_png_img, descr);
|
||||
else if (token == wxT("Bitmap"))
|
||||
{
|
||||
if (token2 == wxT("Index")) s = new ExplainShape(*ex_bmp_index_png_img, descr, 4+inc, 3+inc);
|
||||
else s = new ExplainShape(*ex_bmp_heap_png_img, descr, 4+inc, 3+inc);
|
||||
}
|
||||
else if (token == wxT("BitmapAnd")) s = new ExplainShape(*ex_bmp_and_png_img, descr);
|
||||
else if (token == wxT("BitmapOr")) s = new ExplainShape(*ex_bmp_or_png_img, descr);
|
||||
else if (token2 == wxT("Scan"))
|
||||
{
|
||||
if (token == wxT("Index"))
|
||||
// Scan Index Backward
|
||||
if (token3 == wxT("Backward"))
|
||||
s = new ExplainShape(*ex_index_scan_png_img, descr, 4+inc, 3+inc);
|
||||
else
|
||||
s = new ExplainShape(*ex_index_scan_png_img, descr, 3+inc, 2+inc);
|
||||
// Tid Scan
|
||||
else if (token == wxT("Tid"))
|
||||
s = new ExplainShape(*ex_tid_scan_png_img, descr, 3+inc, 2+inc);
|
||||
// WorkTable Scan
|
||||
else if (token == wxT("WorkTable"))
|
||||
s = new ExplainShape(*ex_worktable_scan_png_img, descr, 3+inc, 2+inc);
|
||||
// CTE Scan
|
||||
else if (token == wxT("CTE"))
|
||||
s = new ExplainShape(*ex_cte_scan_png_img, descr, 3, 2);
|
||||
// Foreign Scan
|
||||
else if (token == wxT("Foreign"))
|
||||
s = new ExplainShape(*ex_foreign_scan_png_img, descr, 3, 2);
|
||||
// Values Scan
|
||||
else if (token == wxT("Values"))
|
||||
s = new ExplainShape(*ex_values_scan_png_img, descr, 3, 2);
|
||||
else if (parallel) s = new ExplainShape(*ex_pscan_png_img, descr, 4, 3);
|
||||
else
|
||||
s = new ExplainShape(*ex_scan_png_img, descr, 3+inc, 2+inc);
|
||||
}
|
||||
else if (token == wxT("Index"))
|
||||
{
|
||||
// Index Only Scan
|
||||
if (token2 == wxT("Only") && token3 == wxT("Scan"))
|
||||
{
|
||||
s = new ExplainShape(*ex_index_only_scan_png_img, descr, 4+inc, 3+inc);
|
||||
}
|
||||
}
|
||||
else if (token2 == wxT("Seek")) s = new ExplainShape(*ex_seek_png_img, descr, 3, 2);
|
||||
// Recursive Union
|
||||
else if (token == wxT("Recursive") && token2 == wxT("Union"))
|
||||
s = new ExplainShape(*ex_recursive_union_png_img, descr);
|
||||
else if (token == wxT("WindowAgg"))
|
||||
s = new ExplainShape(*ex_window_aggregate_png_img, descr);
|
||||
|
||||
// DML
|
||||
else if (token == wxT("Insert"))
|
||||
s = new ExplainShape(*ex_insert_png_img, descr, 2, 1);
|
||||
else if (token == wxT("Update"))
|
||||
s = new ExplainShape(*ex_update_png_img, descr, 2, 1);
|
||||
else if (token == wxT("Delete"))
|
||||
s = new ExplainShape(*ex_delete_png_img, descr, 2, 1);
|
||||
|
||||
// Greenplum additions
|
||||
else if (token == wxT("Gather") && token2 == wxT("Motion"))
|
||||
s = new ExplainShape(*ex_gather_motion_png_img, descr);
|
||||
else if (token == wxT("Broadcast") && token2 == wxT("Motion"))
|
||||
s = new ExplainShape(*ex_broadcast_motion_png_img, descr);
|
||||
else if (token == wxT("Redistribute") && token2 == wxT("Motion"))
|
||||
s = new ExplainShape(*ex_redistribute_motion_png_img, descr);
|
||||
|
||||
if (!s)
|
||||
s = new ExplainShape(*ex_unknown_png_img, descr);
|
||||
|
||||
s->SetDraggable(false);
|
||||
|
||||
s->level = level;
|
||||
|
||||
if (costPos > 0)
|
||||
{
|
||||
if (actPos > 0)
|
||||
{
|
||||
s->actual = str.Mid(actPos);
|
||||
s->cost = str.Mid(costPos, actPos - costPos);
|
||||
}
|
||||
else
|
||||
s->cost = str.Mid(costPos);
|
||||
}
|
||||
else if (actPos > 0)
|
||||
s->actual = str.Mid(actPos);
|
||||
|
||||
int w = 50, h = 20;
|
||||
|
||||
wxBitmap &bmp = s->GetBitmap();
|
||||
if (w < bmp.GetWidth())
|
||||
w = bmp.GetWidth();
|
||||
|
||||
s->SetHeight(bmp.GetHeight() + BMP_BORDER + h);
|
||||
s->SetWidth(w);
|
||||
|
||||
s->upperShape = last;
|
||||
if (last)
|
||||
{
|
||||
s->kidNo = last->kidCount;
|
||||
last->kidCount++;
|
||||
}
|
||||
else
|
||||
s->kidNo = 0;
|
||||
|
||||
if (costPos > 0)
|
||||
{
|
||||
wxChar *cl = const_cast<wxChar *>((const wxChar *)str + costPos + 6);
|
||||
wxChar *ch = wxStrstr(cl, wxT(".."));
|
||||
if (ch)
|
||||
{
|
||||
*ch = 0;
|
||||
ch += 2;
|
||||
}
|
||||
s->costLow = StrToDouble(cl);
|
||||
if (ch)
|
||||
{
|
||||
wxChar *r = wxStrstr(ch, wxT(" rows="));
|
||||
if (r)
|
||||
{
|
||||
*r = 0;
|
||||
r += 6;
|
||||
}
|
||||
s->costHigh = StrToDouble(ch);
|
||||
if (r)
|
||||
{
|
||||
wxChar *w = wxStrstr(r, wxT(" width="));
|
||||
if (w)
|
||||
{
|
||||
*w = 0;
|
||||
w += 7;
|
||||
}
|
||||
s->rows = StrToLong(r);
|
||||
if (w)
|
||||
s->width = StrToLong(w);
|
||||
}
|
||||
}
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
|
||||
ExplainLine::ExplainLine(ExplainShape *from, ExplainShape *to, double weight)
|
||||
{
|
||||
SetCanvas(from->GetCanvas());
|
||||
from->AddLine(this, to);
|
||||
MakeLineControlPoints(4);
|
||||
|
||||
width = (int) log(from->GetAverageCost());
|
||||
if (width > 10)
|
||||
width = 10;
|
||||
|
||||
// If we got an average cost of 0, width is probably negative
|
||||
// which will look pretty darn ugly as an arrow width!
|
||||
// This may happen on Greenplum.
|
||||
if (width < 1)
|
||||
width = 1;
|
||||
|
||||
wxNode *first = GetLineControlPoints()->GetFirst();
|
||||
wxNode *last = GetLineControlPoints()->GetLast();
|
||||
*(wxRealPoint *)first->GetData() = from->GetStartPoint();
|
||||
*(wxRealPoint *)last->GetData() = to->GetEndPoint(from->GetKidno());
|
||||
|
||||
wxRealPoint *p1 = (wxRealPoint *)first->GetNext()->GetData();
|
||||
wxRealPoint *p2 = (wxRealPoint *)last->GetPrevious()->GetData();
|
||||
*p1 = from->GetStartPoint();
|
||||
*p2 = to->GetEndPoint(from->GetKidno());
|
||||
p1->x -= (p1->x - p2->x) / 3. + 8;
|
||||
p2->x += (p1->x - p2->x) / 3. - 8;
|
||||
|
||||
Initialise();
|
||||
}
|
||||
|
||||
|
||||
#define ARROWWIDTH 4
|
||||
|
||||
|
||||
void ExplainLine::OnDraw(wxDC &dc)
|
||||
{
|
||||
if (m_lineControlPoints)
|
||||
{
|
||||
dc.SetPen(*wxThePenList->FindOrCreatePen(*wxBLACK, 1, wxSOLID));
|
||||
dc.SetBrush(*wxTheBrushList->FindOrCreateBrush(*wxLIGHT_GREY, wxSOLID));
|
||||
|
||||
wxPoint *points = new wxPoint[11];
|
||||
wxRealPoint *point0 = (wxRealPoint *) m_lineControlPoints->Item(0)->GetData();
|
||||
wxRealPoint *point1 = (wxRealPoint *) m_lineControlPoints->Item(1)->GetData();
|
||||
wxRealPoint *point2 = (wxRealPoint *) m_lineControlPoints->Item(2)->GetData();
|
||||
wxRealPoint *point3 = (wxRealPoint *) m_lineControlPoints->Item(3)->GetData();
|
||||
|
||||
double phi = atan2(point2->y - point1->y, point2->x - point1->x);
|
||||
double offs = width * tan(phi / 2);
|
||||
|
||||
points[0].x = WXROUND(point0->x);
|
||||
points[0].y = WXROUND(point0->y) - width;
|
||||
points[10].x = WXROUND(point0->x);
|
||||
points[10].y = WXROUND(point0->y) + width;
|
||||
|
||||
points[1].x = WXROUND(point1->x + offs);
|
||||
points[1].y = WXROUND(point1->y) - width;
|
||||
points[9].x = WXROUND(point1->x - offs);
|
||||
points[9].y = WXROUND(point1->y) + width;
|
||||
|
||||
points[2].x = WXROUND(point2->x + offs);
|
||||
points[2].y = WXROUND(point2->y) - width;
|
||||
points[8].x = WXROUND(point2->x - offs);
|
||||
points[8].y = WXROUND(point2->y) + width;
|
||||
|
||||
points[3].x = WXROUND(point3->x) - width - ARROWWIDTH;
|
||||
points[3].y = WXROUND(point3->y) - width;
|
||||
points[7].x = WXROUND(point3->x) - width - ARROWWIDTH;
|
||||
points[7].y = WXROUND(point3->y) + width;
|
||||
|
||||
points[4].x = points[3].x;
|
||||
points[4].y = points[3].y - ARROWWIDTH;
|
||||
points[6].x = points[7].x;
|
||||
points[6].y = points[7].y + ARROWWIDTH;
|
||||
|
||||
points[5].x = WXROUND(point3->x);
|
||||
points[5].y = WXROUND(point3->y);
|
||||
|
||||
dc.DrawPolygon(11, points, 0, 0);
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue