ticket901patch.diff

Fernando Pacheco -, 2008-01-13 12:37 PM

Download (18.1 KB)

View differences:

src/app/qgspgquerybuilder.cpp (copia de trabajo)
24 24 
: QDialog(parent, fl)
25 25 
{
26 26 
  setupUi(this);
27 
  setupListViews();
27 
  setupGuiViews();
28 28 
}
29 29 
// constructor used when the query builder must make its own
30 30 
// connection to the database
......
33 33 
: QDialog(parent, fl), mUri(uri)
34 34 
{
35 35 
  setupUi(this);
36 
  setupListViews();
36 
  setupGuiViews();
37 37 
  // The query builder must make its own connection to the database when
38 38 
  // using this constructor
39 39 
  QString connInfo = mUri->connInfo();
......
71 71 
: QDialog(parent, fl), mPgConnection(con)
72 72 
{
73 73 
  setupUi(this);
74 
  setupListViews();
74 
  setupGuiViews();
75 75 
  mOwnConnection = false; // we don't own this connection since it was passed to us
76 76 
  mUri = new QgsDataSourceURI( "table=" + tableName);
77 77 
  QString datasource = QString(tr("Table <b>%1</b> in database <b>%2</b> on host <b>%3</b>, user <b>%4</b>"))
......
138 138 
      mFieldMap[fieldName] = QgsField(fieldName, type, fieldType);
139 139 
      QStandardItem *myItem = new QStandardItem(fieldName);
140 140 
      myItem->setEditable(false);
141 
      mModelFields->insertRow(mModelFields->rowCount(),myItem);
141 
      mModelFields->insertRow(mModelFields->rowCount(),myItem);
142 142 
    }
143 
    // All fields get ... setup
144 
    setupLstFieldsModel();
143 145 
  }
144 146 
  else
145 147 
  {
......
148 150 
  PQclear(result);
149 151 
}
150 152 

  		




  151
  
  
    
void QgsPgQueryBuilder::setupListViews()

  		




  
  153
  
    
void QgsPgQueryBuilder::setupLstFieldsModel()

  		




  152
  154
  
    
{

  		




  153
  
  
    
  //Models

  		




  
  155
  
    
  lstFields->setModel(mModelFields);

  		




  
  156
  
    
}

  		




  
  157
  
    

  		




  
  158
  
    
void QgsPgQueryBuilder::setupGuiViews()

  		




  
  159
  
    
{

  		




  
  160
  
    
  //Initialize the models

  		




  154
  161
  
    
  mModelFields = new QStandardItemModel();

  		




  155
  162
  
    
  mModelValues = new QStandardItemModel();

  		




  156
  
  
    
  lstFields->setModel(mModelFields);

  		




  157
  
  
    
  lstValues->setModel(mModelValues);

  		




  158
  163
  
    
  // Modes

  		




  159
  164
  
    
  lstFields->setViewMode(QListView::ListMode);

  		




  160
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  lstValues->setViewMode(QListView::ListMode);

  		




  ......




  163
  168
  
    
  // Performance tip since Qt 4.1

  		




  164
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  lstFields->setUniformItemSizes(true);

  		




  165
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  lstValues->setUniformItemSizes(true);

  		




  
  171
  
    
  // Colored rows

  		




  
  172
  
    
  lstFields->setAlternatingRowColors(true);

  		




  
  173
  
    
  lstValues->setAlternatingRowColors(true);

  		




  166
  174
  
    
}

  		




  167
  175
  
    

  		




  168
  
  
    
void QgsPgQueryBuilder::on_btnSampleValues_clicked()

  		




  
  176
  
    
void QgsPgQueryBuilder::fillValues(QString theSQL)

  		




  169
  177
  
    
{

  		




  170
  
  
    
  QString myFieldName = mModelFields->data(lstFields->currentIndex()).toString();

  		




  171
  
  
    
  if (myFieldName.isEmpty())

  		




  172
  
  
    
      return;

  		




  173
  
  
    

  		




  174
  
  
    
  QString sql = "SELECT DISTINCT \"" + myFieldName + "\" " +

  		




  175
  
  
    
      "FROM (SELECT \"" + myFieldName + "\" " +

  		




  176
  
  
    
      "FROM " + mUri->quotedTablename() + " " +

  		




  177
  
  
    
      "LIMIT 5000) AS foo " +

  		




  178
  
  
    
      "ORDER BY \"" + myFieldName + "\" "+

  		




  179
  
  
    
      "LIMIT 25";

  		




  180
  
  
    
  // clear the values list 

  		




  
  178
  
    
  // clear the model

  		




  181
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  mModelValues->clear();

  		




  
  180
  
    
  

  		




  182
  181
  
    
  // determine the field type

  		




  183
  
  
    
  QgsField field = mFieldMap[myFieldName];

  		




  184
  
  
    
  bool isCharField = field.typeName().find("char") > -1;

  		




  185
  
  
    
  PGresult *result = PQexec(mPgConnection, (const char *) (sql.utf8()));

  		




  
  182
  
    
  QgsField field = mFieldMap[mModelFields->data(lstFields->currentIndex()).toString()];

  		




  
  183
  
    
  bool mActualFieldIsChar = field.typeName().find("char") > -1;

  		




  
  184
  
    
  

  		




  
  185
  
    
  PGresult *result = PQexec(mPgConnection, (const char *) (theSQL.utf8()));

  		




  186
  186
  
    

  		




  187
  187
  
    
  if (PQresultStatus(result) == PGRES_TUPLES_OK) 

  		




  188
  188
  
    
  {

  		




  ......




  190
  190
  
    
    for(int i=0; i < rowCount; i++)

  		




  191
  191
  
    
    {

  		




  192
  192
  
    
      QString value = QString::fromUtf8(PQgetvalue(result, i, 0));

  		




  193
  
  
    
      if(isCharField)

  		




  194
  
  
    
      {

  		




  195
  
  
    
        value = "'" + value + "'";

  		




  196
  
  
    
      }

  		




  197
  193
  
    
      QStandardItem *myItem = new QStandardItem(value);

  		




  198
  194
  
    
      myItem->setEditable(false);

  		




  199
  195
  
    
      mModelValues->insertRow(mModelValues->rowCount(),myItem);

  		




  200
  196
  
    
    }

  		




  201
  197
  
    
  }else

  		




  202
  198
  
    
  {

  		




  203
  
  
    
    QMessageBox::warning(this, tr("Database error"), tr("<p>Failed to get sample of field values using SQL:</p><p>") + sql + "</p><p>Error message was: "+ QString(PQerrorMessage(mPgConnection)) + "</p>");

  		




  
  199
  
    
    QMessageBox::warning(this, tr("Database error"), tr("<p>Failed to get sample of field values using SQL:</p><p>") + theSQL + "</p><p>Error message was: "+ QString(PQerrorMessage(mPgConnection)) + "</p>");

  		




  204
  200
  
    
  }

  		




  205
  201
  
    
  // free the result set

  		




  206
  202
  
    
  PQclear(result);

  		




  207
  203
  
    
}

  		




  208
  204
  
    

  		




  
  205
  
    
void QgsPgQueryBuilder::on_btnSampleValues_clicked()

  		




  
  206
  
    
{

  		




  
  207
  
    
  lstValues->setCursor(Qt::WaitCursor);

  		




  
  208
  
    
  QString myFieldName = mModelFields->data(lstFields->currentIndex()).toString();

  		




  
  209
  
    
  if (myFieldName.isEmpty())

  		




  
  210
  
    
      return;

  		




  
  211
  
    
  

  		




  
  212
  
    
  QgsField field = mFieldMap[mModelFields->data(lstFields->currentIndex()).toString()];

  		




  
  213
  
    
  bool mActualFieldIsChar = field.typeName().find("char") > -1;

  		




  
  214
  
    
  

  		




  
  215
  
    
  QString sql = "SELECT DISTINCT \"" + myFieldName + "\" " +

  		




  
  216
  
    
      "FROM (SELECT \"" + myFieldName + "\" " +

  		




  
  217
  
    
      "FROM " + mUri->quotedTablename() + " " +

  		




  
  218
  
    
      "LIMIT 5000) AS foo " +

  		




  
  219
  
    
      "ORDER BY \"" + myFieldName + "\" "+

  		




  
  220
  
    
      "LIMIT 25";

  		




  
  221
  
    
  

  		




  
  222
  
    
  //delete connection mModelValues and lstValues

  		




  
  223
  
    
  QStandardItemModel *tmp = new QStandardItemModel();

  		




  
  224
  
    
  lstValues->setModel(tmp);

  		




  
  225
  
    
  //Clear and fill the mModelValues 

  		




  
  226
  
    
  fillValues(sql);

  		




  
  227
  
    
  lstValues->setModel(mModelValues);

  		




  
  228
  
    
  lstValues->setCursor(Qt::ArrowCursor);

  		




  
  229
  
    
  //delete the tmp

  		




  
  230
  
    
  delete tmp;

  		




  
  231
  
    
  

  		




  
  232
  
    
}

  		




  
  233
  
    

  		




  209
  234
  
    
void QgsPgQueryBuilder::on_btnGetAllValues_clicked()

  		




  210
  235
  
    
{

  		




  
  236
  
    
  lstValues->setCursor(Qt::WaitCursor);

  		




  211
  237
  
    
  QString myFieldName = mModelFields->data(lstFields->currentIndex()).toString();

  		




  212
  238
  
    
  if (myFieldName.isEmpty())

  		




  213
  239
  
    
      return;

  		




  214
  240
  
    

  		




  215
  241
  
    
  QString sql = "select distinct \"" + myFieldName

  		




  216
  242
  
    
      + "\" from " + mUri->quotedTablename() + " order by \"" + myFieldName + "\"";

  		




  217
  
  
    
  // clear the values list 

  		




  218
  
  
    
  mModelValues->clear();

  		




  219
  
  
    
  // determine the field type

  		




  220
  
  
    
  QgsField field = mFieldMap[myFieldName];

  		




  221
  
  
    
  bool isCharField = field.typeName().find("char") > -1;

  		




  222
  
  
    

  		




  223
  
  
    
  PGresult *result = PQexec(mPgConnection, (const char *) (sql.utf8()));

  		




  224
  
  
    

  		




  225
  
  
    
  if (PQresultStatus(result) == PGRES_TUPLES_OK) 

  		




  226
  
  
    
  {

  		




  227
  
  
    
    int rowCount =  PQntuples(result);

  		




  228
  
  
    
    

  		




  229
  
  
    
    lstValues->setCursor(Qt::WaitCursor);

  		




  230
  
  
    
    // Block for better performance

  		




  231
  
  
    
    mModelValues->blockSignals(true);

  		




  232
  
  
    
    lstValues->setUpdatesEnabled(false);

  		




  233
  
  
    
    

  		




  234
  
  
    
    for(int i=0; i < rowCount; i++)

  		




  235
  
  
    
    {

  		




  236
  
  
    
      QString value = QString::fromUtf8(PQgetvalue(result, i, 0));

  		




  237
  
  
    
      if(isCharField)

  		




  238
  
  
    
      {

  		




  239
  
  
    
        value = "'" + value + "'";

  		




  240
  
  
    
      }

  		




  241
  
  
    
      QStandardItem *myItem = new QStandardItem(value);

  		




  242
  
  
    
      myItem->setEditable(false);

  		




  243
  
  
    
      mModelValues->insertRow(mModelValues->rowCount(),myItem);

  		




  244
  
  
    
    }

  		




  245
  
  
    
    

  		




  246
  
  
    
    // Unblock for normal use

  		




  247
  
  
    
    mModelValues->blockSignals(false);

  		




  248
  
  
    
    lstValues->setUpdatesEnabled(true);

  		




  249
  
  
    
    // TODO: already sorted, signal emit to refresh model 

  		




  250
  
  
    
    mModelValues->sort(0);

  		




  251
  
  
    
    lstValues->setCursor(Qt::ArrowCursor);

  		




  252
  
  
    
    

  		




  253
  
  
    
  }else

  		




  254
  
  
    
  {

  		




  255
  
  
    
    QMessageBox::warning(this, tr("Database error"), tr("Failed to get sample of field values") + QString(PQerrorMessage(mPgConnection)) );

  		




  256
  
  
    
  }

  		




  257
  
  
    
  // free the result set

  		




  258
  
  
    
  PQclear(result);

  		




  
  243
  
    
  

  		




  
  244
  
    
  //delete connection mModelValues and lstValues

  		




  
  245
  
    
  QStandardItemModel *tmp = new QStandardItemModel();

  		




  
  246
  
    
  lstValues->setModel(tmp);

  		




  
  247
  
    
  //Clear and fill the mModelValues 

  		




  
  248
  
    
  fillValues(sql);

  		




  
  249
  
    
  lstValues->setModel(mModelValues);

  		




  
  250
  
    
  lstValues->setCursor(Qt::ArrowCursor);

  		




  
  251
  
    
  //delete the tmp

  		




  
  252
  
    
  delete tmp;

  		




  259
  253
  
    
}

  		




  260
  254
  
    

  		




  261
  255
  
    
void QgsPgQueryBuilder::on_btnTest_clicked()

  		




  ......




  398
  392
  
    
  txtSQL->setText(sqlStatement);

  		




  399
  393
  
    
}

  		




  400
  394
  
    

  		




  
  395
  
    
void QgsPgQueryBuilder::on_lstFields_clicked( const QModelIndex &index )

  		




  
  396
  
    
{

  		




  
  397
  
    
  if (mPreviousFieldRow != index.row())

  		




  
  398
  
    
  {

  		




  
  399
  
    
    mPreviousFieldRow = index.row();

  		




  
  400
  
    
    

  		




  
  401
  
    
    // If type is gemetry .. normal users don't want to get values?

  		




  
  402
  
    
    QgsField field = mFieldMap[mModelFields->data(lstFields->currentIndex()).toString()];

  		




  
  403
  
    
    if (field.typeName().find("geometry") > -1)

  		




  
  404
  
    
    {

  		




  
  405
  
    
      btnSampleValues->setEnabled(false);

  		




  
  406
  
    
      btnGetAllValues->setEnabled(false); 

  		




  
  407
  
    
    }else

  		




  
  408
  
    
    {

  		




  
  409
  
    
      btnSampleValues->setEnabled(true);

  		




  
  410
  
    
      btnGetAllValues->setEnabled(true);

  		




  
  411
  
    
    }

  		




  
  412
  
    
    mModelValues->clear();

  		




  
  413
  
    
  }

  		




  
  414
  
    
}

  		




  
  415
  
    

  		




  401
  416
  
    
void QgsPgQueryBuilder::on_lstFields_doubleClicked( const QModelIndex &index )

  		




  402
  417
  
    
{

  		




  403
  418
  
    
  txtSQL->insert("\"" + mModelFields->data(index).toString() + "\"");

  		




  ......




  405
  420
  
    

  		




  406
  421
  
    
void QgsPgQueryBuilder::on_lstValues_doubleClicked( const QModelIndex &index )

  		




  407
  422
  
    
{

  		




  408
  
  
    
  txtSQL->insert(mModelValues->data(index).toString());

  		




  
  423
  
    
  if (mActualFieldIsChar)

  		




  
  424
  
    
  {

  		




  
  425
  
    
    txtSQL->insert("'" + mModelValues->data(index).toString() + "'");

  		




  
  426
  
    
  }else

  		




  
  427
  
    
  {

  		




  
  428
  
    
    txtSQL->insert(mModelValues->data(index).toString());

  		




  
  429
  
    
  }

  		




  409
  430
  
    
}

  		




  410
  431
  
    

  		




  411
  432
  
    
void QgsPgQueryBuilder::on_btnLessEqual_clicked()

  		












  

    
      src/app/qgspgquerybuilder.h	(copia de trabajo)
    
  





  87
  87
  
    
    void on_btnILike_clicked();

  		




  88
  88
  
    
    QString sql();

  		




  89
  89
  
    
    void setSql( QString sqlStatement);

  		




  
  90
  
    
    void on_lstFields_clicked( const QModelIndex &index );

  		




  90
  91
  
    
    void on_lstFields_doubleClicked( const QModelIndex &index );

  		




  91
  92
  
    
    void on_lstValues_doubleClicked( const QModelIndex &index );

  		




  92
  93
  
    
    void on_btnLessEqual_clicked();

  		




  ......




  123
  124
  
    
  /*! 

  		




  124
  125
  
    
   * Setup models for listviews

  		




  125
  126
  
    
   */ 

  		




  126
  
  
    
  void setupListViews();

  		




  
  127
  
    
  void setupGuiViews();

  		




  
  128
  
    
  void setupLstFieldsModel();

  		




  
  129
  
    
  void fillValues(QString theSQL);

  		




  127
  130
  
    

  		




  128
  131
  
    
  /*! Get the number of records that would be returned by the current SQL

  		




  129
  132
  
    
   * @return Number of records or -1 if an error was encountered

  		




  ......




  149
  152
  
    
  QStandardItemModel *mModelFields;

  		




  150
  153
  
    
  //! Model for values ListView

  		




  151
  154
  
    
  QStandardItemModel *mModelValues;

  		




  
  155
  
    
  //! Actual field char?

  		




  
  156
  
    
  bool mActualFieldIsChar;

  		




  
  157
  
    
  //! Previous field row to delete model

  		




  
  158
  
    
  int mPreviousFieldRow;

  		




  152
  159
  
    
};

  		




  153
  160
  
    
#endif //QGSPGQUERYBUILDER_H

  		












  

    
      src/ui/qgspgquerybuilderbase.ui	(copia de trabajo)
    
  





  12
  12
  
    
   </rect>

  		




  13
  13
  
    
  </property>

  		




  14
  14
  
    
  <property name="sizePolicy" >

  		




  15
  
  
    
   <sizepolicy>

  		




  16
  
  
    
    <hsizetype>0</hsizetype>

  		




  17
  
  
    
    <vsizetype>0</vsizetype>

  		




  
  15
  
    
   <sizepolicy vsizetype="Fixed" hsizetype="Fixed" >

  		




  18
  16
  
    
    <horstretch>0</horstretch>

  		




  19
  17
  
    
    <verstretch>0</verstretch>

  		




  20
  18
  
    
   </sizepolicy>

  		




  ......




  29
  27
  
    
   <bool>true</bool>

  		




  30
  28
  
    
  </property>

  		




  31
  29
  
    
  <layout class="QGridLayout" >

  		




  32
  
  
    
   <property name="margin" >

  		




  
  30
  
    
   <property name="leftMargin" >

  		




  33
  31
  
    
    <number>11</number>

  		




  34
  32
  
    
   </property>

  		




  35
  
  
    
   <property name="spacing" >

  		




  
  33
  
    
   <property name="topMargin" >

  		




  
  34
  
    
    <number>11</number>

  		




  
  35
  
    
   </property>

  		




  
  36
  
    
   <property name="rightMargin" >

  		




  
  37
  
    
    <number>11</number>

  		




  
  38
  
    
   </property>

  		




  
  39
  
    
   <property name="bottomMargin" >

  		




  
  40
  
    
    <number>11</number>

  		




  
  41
  
    
   </property>

  		




  
  42
  
    
   <property name="horizontalSpacing" >

  		




  36
  43
  
    
    <number>6</number>

  		




  37
  44
  
    
   </property>

  		




  
  45
  
    
   <property name="verticalSpacing" >

  		




  
  46
  
    
    <number>6</number>

  		




  
  47
  
    
   </property>

  		




  38
  48
  
    
   <item row="2" column="0" colspan="2" >

  		




  39
  49
  
    
    <widget class="QGroupBox" name="groupBox4" >

  		




  40
  50
  
    
     <property name="title" >

  		




  41
  51
  
    
      <string>Operators</string>

  		




  42
  52
  
    
     </property>

  		




  43
  53
  
    
     <layout class="QGridLayout" >

  		




  44
  
  
    
      <property name="margin" >

  		




  
  54
  
    
      <property name="leftMargin" >

  		




  45
  55
  
    
       <number>11</number>

  		




  46
  56
  
    
      </property>

  		




  47
  
  
    
      <property name="spacing" >

  		




  
  57
  
    
      <property name="topMargin" >

  		




  
  58
  
    
       <number>11</number>

  		




  
  59
  
    
      </property>

  		




  
  60
  
    
      <property name="rightMargin" >

  		




  
  61
  
    
       <number>11</number>

  		




  
  62
  
    
      </property>

  		




  
  63
  
    
      <property name="bottomMargin" >

  		




  
  64
  
    
       <number>11</number>

  		




  
  65
  
    
      </property>

  		




  
  66
  
    
      <property name="horizontalSpacing" >

  		




  48
  67
  
    
       <number>6</number>

  		




  49
  68
  
    
      </property>

  		




  
  69
  
    
      <property name="verticalSpacing" >

  		




  
  70
  
    
       <number>6</number>

  		




  
  71
  
    
      </property>

  		




  50
  72
  
    
      <item row="0" column="0" >

  		




  51
  73
  
    
       <widget class="QPushButton" name="btnEqual" >

  		




  52
  74
  
    
        <property name="text" >

  		




  ......




  150
  172
  
    
   </item>

  		




  151
  173
  
    
   <item row="4" column="0" colspan="2" >

  		




  152
  174
  
    
    <layout class="QHBoxLayout" >

  		




  153
  
  
    
     <property name="margin" >

  		




  154
  
  
    
      <number>11</number>

  		




  155
  
  
    
     </property>

  		




  156
  175
  
    
     <property name="spacing" >

  		




  157
  176
  
    
      <number>6</number>

  		




  158
  177
  
    
     </property>

  		




  
  178
  
    
     <property name="leftMargin" >

  		




  
  179
  
    
      <number>11</number>

  		




  
  180
  
    
     </property>

  		




  
  181
  
    
     <property name="topMargin" >

  		




  
  182
  
    
      <number>11</number>

  		




  
  183
  
    
     </property>

  		




  
  184
  
    
     <property name="rightMargin" >

  		




  
  185
  
    
      <number>11</number>

  		




  
  186
  
    
     </property>

  		




  
  187
  
    
     <property name="bottomMargin" >

  		




  
  188
  
    
      <number>11</number>

  		




  
  189
  
    
     </property>

  		




  159
  190
  
    
     <item>

  		




  160
  191
  
    
      <spacer>

  		




  161
  192
  
    
       <property name="orientation" >

  		




  ......




  230
  261
  
    
   <item row="1" column="1" >

  		




  231
  262
  
    
    <widget class="QGroupBox" name="groupBox2" >

  		




  232
  263
  
    
     <property name="sizePolicy" >

  		




  233
  
  
    
      <sizepolicy>

  		




  234
  
  
    
       <hsizetype>0</hsizetype>

  		




  235
  
  
    
       <vsizetype>0</vsizetype>

  		




  
  264
  
    
      <sizepolicy vsizetype="Preferred" hsizetype="Expanding" >

  		




  236
  265
  
    
       <horstretch>0</horstretch>

  		




  237
  266
  
    
       <verstretch>0</verstretch>

  		




  238
  267
  
    
      </sizepolicy>

  		




  ......




  241
  270
  
    
      <string>Values</string>

  		




  242
  271
  
    
     </property>

  		




  243
  272
  
    
     <layout class="QGridLayout" >

  		




  244
  
  
    
      <property name="margin" >

  		




  
  273
  
    
      <property name="leftMargin" >

  		




  245
  274
  
    
       <number>11</number>

  		




  246
  275
  
    
      </property>

  		




  247
  
  
    
      <property name="spacing" >

  		




  
  276
  
    
      <property name="topMargin" >

  		




  
  277
  
    
       <number>11</number>

  		




  
  278
  
    
      </property>

  		




  
  279
  
    
      <property name="rightMargin" >

  		




  
  280
  
    
       <number>11</number>

  		




  
  281
  
    
      </property>

  		




  
  282
  
    
      <property name="bottomMargin" >

  		




  
  283
  
    
       <number>11</number>

  		




  
  284
  
    
      </property>

  		




  
  285
  
    
      <property name="horizontalSpacing" >

  		




  248
  286
  
    
       <number>6</number>

  		




  249
  287
  
    
      </property>

  		




  
  288
  
    
      <property name="verticalSpacing" >

  		




  
  289
  
    
       <number>6</number>

  		




  
  290
  
    
      </property>

  		




  250
  291
  
    
      <item row="2" column="1" >

  		




  251
  292
  
    
       <widget class="QPushButton" name="btnGetAllValues" >

  		




  
  293
  
    
        <property name="toolTip" >

  		




  
  294
  
    
         <string>&lt;html>&lt;head>&lt;meta name="qrichtext" content="1" />&lt;style type="text/css">

  		




  
  295
  
    
p, li { white-space: pre-wrap; }

  		




  
  296
  
    
&lt;/style>&lt;/head>&lt;body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;">

  		




  
  297
  
    
&lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Retrieve &lt;span style=" font-weight:600;">all&lt;/span> the record in the vector file (&lt;span style=" font-style:italic;">if the table is big, the operation can consume some time&lt;/span>)&lt;/p>&lt;/body>&lt;/html></string>

  		




  
  298
  
    
        </property>

  		




  252
  299
  
    
        <property name="text" >

  		




  253
  300
  
    
         <string>All</string>

  		




  254
  301
  
    
        </property>

  		




  ......




  256
  303
  
    
      </item>

  		




  257
  304
  
    
      <item row="2" column="0" >

  		




  258
  305
  
    
       <widget class="QPushButton" name="btnSampleValues" >

  		




  
  306
  
    
        <property name="toolTip" >

  		




  
  307
  
    
         <string>&lt;html>&lt;head>&lt;meta name="qrichtext" content="1" />&lt;style type="text/css">

  		




  
  308
  
    
p, li { white-space: pre-wrap; }

  		




  
  309
  
    
&lt;/style>&lt;/head>&lt;body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;">

  		




  
  310
  
    
&lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">Take a &lt;span style=" font-weight:600;">sample&lt;/span> of records in the vector file&lt;/p>&lt;/body>&lt;/html></string>

  		




  
  311
  
    
        </property>

  		




  259
  312
  
    
        <property name="text" >

  		




  260
  313
  
    
         <string>Sample</string>

  		




  261
  314
  
    
        </property>

  		




  262
  315
  
    
       </widget>

  		




  263
  316
  
    
      </item>

  		




  264
  317
  
    
      <item rowspan="2" row="0" column="0" colspan="2" >

  		




  265
  
  
    
       <widget class="QListView" name="lstValues" />

  		




  
  318
  
    
       <widget class="QListView" name="lstValues" >

  		




  
  319
  
    
        <property name="whatsThis" >

  		




  
  320
  
    
         <string>&lt;html>&lt;head>&lt;meta name="qrichtext" content="1" />&lt;style type="text/css">

  		




  
  321
  
    
p, li { white-space: pre-wrap; }

  		




  
  322
  
    
&lt;/style>&lt;/head>&lt;body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;">

  		




  
  323
  
    
&lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">List of values for the current field.&lt;/p>&lt;/body>&lt;/html></string>

  		




  
  324
  
    
        </property>

  		




  
  325
  
    
        <property name="autoFillBackground" >

  		




  
  326
  
    
         <bool>true</bool>

  		




  
  327
  
    
        </property>

  		




  
  328
  
    
        <property name="selectionBehavior" >

  		




  
  329
  
    
         <enum>QAbstractItemView::SelectRows</enum>

  		




  
  330
  
    
        </property>

  		




  
  331
  
    
        <property name="uniformItemSizes" >

  		




  
  332
  
    
         <bool>true</bool>

  		




  
  333
  
    
        </property>

  		




  
  334
  
    
       </widget>

  		




  266
  335
  
    
      </item>

  		




  267
  336
  
    
     </layout>

  		




  268
  337
  
    
    </widget>

  		




  269
  338
  
    
   </item>

  		




  270
  339
  
    
   <item row="1" column="0" >

  		




  271
  340
  
    
    <widget class="QGroupBox" name="groupBox1" >

  		




  
  341
  
    
     <property name="sizePolicy" >

  		




  
  342
  
    
      <sizepolicy vsizetype="Preferred" hsizetype="Fixed" >

  		




  
  343
  
    
       <horstretch>0</horstretch>

  		




  
  344
  
    
       <verstretch>0</verstretch>

  		




  
  345
  
    
      </sizepolicy>

  		




  
  346
  
    
     </property>

  		




  272
  347
  
    
     <property name="title" >

  		




  273
  348
  
    
      <string>Fields</string>

  		




  274
  349
  
    
     </property>

  		




  275
  350
  
    
     <layout class="QGridLayout" >

  		




  276
  
  
    
      <property name="margin" >

  		




  
  351
  
    
      <property name="leftMargin" >

  		




  277
  352
  
    
       <number>11</number>

  		




  278
  353
  
    
      </property>

  		




  279
  
  
    
      <property name="spacing" >

  		




  
  354
  
    
      <property name="topMargin" >

  		




  
  355
  
    
       <number>11</number>

  		




  
  356
  
    
      </property>

  		




  
  357
  
    
      <property name="rightMargin" >

  		




  
  358
  
    
       <number>11</number>

  		




  
  359
  
    
      </property>

  		




  
  360
  
    
      <property name="bottomMargin" >

  		




  
  361
  
    
       <number>11</number>

  		




  
  362
  
    
      </property>

  		




  
  363
  
    
      <property name="horizontalSpacing" >

  		




  280
  364
  
    
       <number>6</number>

  		




  281
  365
  
    
      </property>

  		




  
  366
  
    
      <property name="verticalSpacing" >

  		




  
  367
  
    
       <number>6</number>

  		




  
  368
  
    
      </property>

  		




  282
  369
  
    
      <item row="0" column="0" >

  		




  283
  
  
    
       <widget class="QListView" name="lstFields" />

  		




  
  370
  
    
       <widget class="QListView" name="lstFields" >

  		




  
  371
  
    
        <property name="whatsThis" >

  		




  
  372
  
    
         <string>&lt;html>&lt;head>&lt;meta name="qrichtext" content="1" />&lt;style type="text/css">

  		




  
  373
  
    
p, li { white-space: pre-wrap; }

  		




  
  374
  
    
&lt;/style>&lt;/head>&lt;body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;">

  		




  
  375
  
    
&lt;p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">List of fields in this vector file&lt;/p>&lt;/body>&lt;/html></string>

  		




  
  376
  
    
        </property>

  		




  
  377
  
    
       </widget>

  		




  284
  378
  
    
      </item>

  		




  285
  379
  
    
     </layout>

  		




  286
  380
  
    
    </widget>

  		




  ......




  304
  398
  
    
      <string>SQL where clause</string>

  		




  305
  399
  
    
     </property>

  		




  306
  400
  
    
     <layout class="QGridLayout" >

  		




  307
  
  
    
      <property name="margin" >

  		




  
  401
  
    
      <property name="leftMargin" >

  		




  308
  402
  
    
       <number>11</number>

  		




  309
  403
  
    
      </property>

  		




  310
  
  
    
      <property name="spacing" >

  		




  
  404
  
    
      <property name="topMargin" >

  		




  
  405
  
    
       <number>11</number>

  		




  
  406
  
    
      </property>

  		




  
  407
  
    
      <property name="rightMargin" >

  		




  
  408
  
    
       <number>11</number>

  		




  
  409
  
    
      </property>

  		




  
  410
  
    
      <property name="bottomMargin" >

  		




  
  411
  
    
       <number>11</number>

  		




  
  412
  
    
      </property>

  		




  
  413
  
    
      <property name="horizontalSpacing" >

  		




  311
  414
  
    
       <number>6</number>

  		




  312
  415
  
    
      </property>

  		




  
  416
  
    
      <property name="verticalSpacing" >

  		




  
  417
  
    
       <number>6</number>

  		




  
  418
  
    
      </property>

  		




  313
  419
  
    
      <item row="0" column="0" >

  		




  314
  420
  
    
       <widget class="QTextEdit" name="txtSQL" />

  		




  315
  421
  
    
      </item>