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/*
* This file is part of the xTuple ERP: PostBooks Edition, a free and
* open source Enterprise Resource Planning software suite,
* Copyright (c) 1999-2010 by OpenMFG LLC, d/b/a xTuple.
* It is licensed to you under the Common Public Attribution License
* version 1.0, the full text of which (including xTuple-specific Exhibits)
* is available at www.xtuple.com/CPAL. By using this software, you agree
* to be bound by its terms.
*/
#include "pkgschema.h"
#include <QMessageBox>
#include <QSqlError>
#include <QVariant> // used by XSqlQuery::bindValue()
#include <xsqlquery.h>
#define TR(a) QObject::tr(a)
#define DEBUG false
QString PkgSchema::_sqlerrtxt = TR("<font color=red>The following error was "
"encountered while trying to import %1 into "
"the database:<br>%2<br>%3</font>");
PkgSchema::PkgSchema(const QString &name, const QString &comment)
{
_name = name;
_comment = comment;
}
PkgSchema::~PkgSchema()
{
}
int PkgSchema::create(QString &errMsg)
{
if (DEBUG)
qDebug("PkgSchema::create(&errMsg)");
if (_name.isEmpty())
{
errMsg = QString("Cannot create a schema for this package without a name.");
return -1;
}
int namespaceoid;
XSqlQuery create;
// Issue 8835: This SQL looks for an existing schema first. Would be best if the createPkgSchema
// function did this correctly so it could be smart enough to add new tables if necessary,
// but we can't work that out until it becomes required in a subsequent xTuple ERP release.
create.prepare("SELECT COALESCE( "
" (SELECT oid "
" FROM pg_namespace "
" WHERE (LOWER(nspname)=LOWER(:name))), "
" createPkgSchema(:name, :descrip)) AS result;");
create.bindValue(":name", _name);
create.bindValue(":descrip", _comment);
create.exec();
if (create.first())
namespaceoid = create.value(0).toInt();
else if (create.lastError().type() != QSqlError::NoError)
{
errMsg = _sqlerrtxt.arg(_name)
.arg(create.lastError().databaseText())
.arg(create.lastError().driverText());
return -2;
}
int patherr = setPath(errMsg);
if (patherr < 0)
return patherr;
return 0;
}
int PkgSchema::getPath(QString &path, QString &errMsg)
{
XSqlQuery pathq;
pathq.exec("SELECT CURRENT_SCHEMAS(false);");
if (pathq.first())
path = pathq.value(0).toString();
else
{
errMsg = _sqlerrtxt.arg(_name)
.arg(pathq.lastError().databaseText())
.arg(pathq.lastError().driverText());
return -8;
}
if (DEBUG)
qDebug("PkgSchema::getPath() selected %s", qPrintable(path));
path.remove(0, path.indexOf("{") + 1);
path.remove(path.indexOf("}"), path.size());
if (DEBUG)
qDebug("PkgSchema::getPath() extracted %s", qPrintable(path));
return 0;
}
int PkgSchema::setPath(QString &errMsg)
{
QString path;
int result = getPath(path, errMsg);
if (result < 0)
return result;
XSqlQuery schemaq;
schemaq.exec(QString("SET SEARCH_PATH TO %1,%2;")
.arg(_name.toLower()).arg(path));
if (schemaq.lastError().type() != QSqlError::NoError)
{
errMsg = _sqlerrtxt.arg(_name)
.arg(schemaq.lastError().databaseText())
.arg(schemaq.lastError().driverText());
return -8;
}
return 0;
}
int PkgSchema::clearPath(QString &errMsg)
{
QString path;
int result = getPath(path, errMsg);
if (result < 0)
return result;
path.remove(QRegExp("\\s*" + _name + ",", Qt::CaseInsensitive));
XSqlQuery schemaq;
schemaq.exec(QString("SET SEARCH_PATH TO %1;").arg(path));
if (schemaq.lastError().type() != QSqlError::NoError)
{
errMsg = _sqlerrtxt.arg(_name)
.arg(schemaq.lastError().databaseText())
.arg(schemaq.lastError().driverText());
return -9;
}
return 0;
}
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