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103 lines
2.3 KiB
C++
103 lines
2.3 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/pgsIdentRecord.h"
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#include "pgscript/objects/pgsRecord.h"
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#include "pgscript/objects/pgsString.h"
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pgsIdentRecord::pgsIdentRecord(const wxString &name, const pgsExpression *line,
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const pgsExpression *column) :
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pgsIdent(name), m_line(line), m_column(column)
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{
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}
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pgsIdentRecord::~pgsIdentRecord()
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{
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pdelete(m_line);
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pdelete(m_column);
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}
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pgsExpression *pgsIdentRecord::clone() const
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{
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return pnew pgsIdentRecord(*this);
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}
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pgsIdentRecord::pgsIdentRecord(const pgsIdentRecord &that) :
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pgsIdent(that)
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{
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m_line = that.m_line->clone();
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m_column = that.m_column != 0 ? that.m_column->clone() : 0;
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}
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pgsIdentRecord &pgsIdentRecord::operator=(const pgsIdentRecord &that)
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{
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if (this != &that)
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{
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pgsIdent::operator=(that);
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pdelete(m_line);
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pdelete(m_column);
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m_line = that.m_line->clone();
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m_column = that.m_column != 0 ? that.m_column->clone() : 0;
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}
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return (*this);
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}
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wxString pgsIdentRecord::value() const
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{
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wxString result;
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result << m_name << wxT("[") << m_line->value() << wxT("]");
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if (m_column != 0)
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{
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result << wxT("[") << m_column->value() << wxT("]");
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}
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return result;
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}
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pgsOperand pgsIdentRecord::eval(pgsVarMap &vars) const
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{
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// Check whether the variable is a record
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if (vars.find(m_name) != vars.end() && vars[m_name]->is_record())
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{
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// Get the operand as a record
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const pgsRecord &rec = dynamic_cast<const pgsRecord &>(*vars[m_name]);
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// Evaluate parameters
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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 (m_column != 0)
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{
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pgsOperand column(m_column->eval(vars));
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if (column->is_integer())
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{
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long aux_column;
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column->value().ToLong(&aux_column);
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return rec.get(aux_line, aux_column);
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}
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else if (column->is_string())
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{
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return rec.get(aux_line, rec.get_column(column->value()));
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}
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}
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else
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{
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return rec.get_line(aux_line);
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}
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}
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}
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return pnew pgsString(wxT(""));
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}
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