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89 lines
2 KiB
C++
89 lines
2 KiB
C++
//////////////////////////////////////////////////////////////////////////
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//
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// pgScript - 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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//////////////////////////////////////////////////////////////////////////
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#include "pgAdmin3.h"
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#include "pgscript/expressions/pgsRemoveLine.h"
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#include "pgscript/exceptions/pgsParameterException.h"
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#include "pgscript/objects/pgsRecord.h"
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#include "pgscript/objects/pgsString.h"
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pgsRemoveLine::pgsRemoveLine(const wxString &rec, const pgsExpression *line) :
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pgsExpression(), m_rec(rec), m_line(line)
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{
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}
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pgsRemoveLine::~pgsRemoveLine()
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{
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pdelete(m_line);
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}
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pgsExpression *pgsRemoveLine::clone() const
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{
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return pnew pgsRemoveLine(*this);
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}
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pgsRemoveLine::pgsRemoveLine(const pgsRemoveLine &that) :
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pgsExpression(that), m_rec(that.m_rec)
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{
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m_line = that.m_line->clone();
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}
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pgsRemoveLine &pgsRemoveLine::operator =(const pgsRemoveLine &that)
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{
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if (this != &that)
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{
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pgsExpression::operator=(that);
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m_rec = that.m_rec;
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pdelete(m_line);
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m_line = that.m_line->clone();
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}
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return (*this);
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}
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wxString pgsRemoveLine::value() const
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{
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return wxString() << wxT("RMLINE(") << m_rec << wxT("[")
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<< m_line->value() << wxT("])");
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}
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pgsOperand pgsRemoveLine::eval(pgsVarMap &vars) const
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{
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if (vars.find(m_rec) != vars.end() && vars[m_rec]->is_record())
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{
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pgsRecord &rec = dynamic_cast<pgsRecord &>(*vars[m_rec]);
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// Evaluate parameter
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pgsOperand line(m_line->eval(vars));
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if (line->is_integer())
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{
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long aux_line;
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line->value().ToLong(&aux_line);
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if (!rec.remove_line(aux_line))
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{
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throw pgsParameterException(wxString() << wxT("an error ")
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<< wxT("occurred while executing ") << value());
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}
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}
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else
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{
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throw pgsParameterException(wxString() << line->value()
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<< wxT(" is not a valid line number"));
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}
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return vars[m_rec];
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}
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else
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{
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throw pgsParameterException(wxString() << m_rec << wxT(" is not a record"));
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}
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}
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