/**
* Create table script for selected node.
*
* @see org.eclipse.jface.action.IAction#run()
*/
@Override
public void run() {
TableNode tableNode = (TableNode) _selectedNodes[0];
ITableInfo info = tableNode.getTableInfo();
StringBuffer buf = new StringBuffer(4 * 1024);
String sep = System.getProperty("line.separator");
try {
SQLDatabaseMetaData metaData = tableNode.getSession().getMetaData();
ArrayList<String> pks = new ArrayList<String>();
PrimaryKeyInfo[] pksInfo = metaData.getPrimaryKey(info);
for (PrimaryKeyInfo pkInfo : pksInfo) pks.add(pkInfo.getColumnName());
TableColumnInfo[] columnsInfo = metaData.getColumnInfo(info);
String tableName = _selectedNodes[0].getQualifiedName();
buf.append("CREATE TABLE ");
buf.append(tableName);
buf.append("(");
for (TableColumnInfo col : columnsInfo) {
// String columnName = resultSet.getString(4);
// String typeName = resultSet.getString(6);
// String columnSize = resultSet.getString(7);
// String decimalDigits = resultSet.getString(9);
// String defaultValue = resultSet.getString(13);
boolean notNull = "NO".equalsIgnoreCase(col.isNullable());
String sLower = col.getColumnName().toLowerCase();
buf.append(sep);
buf.append(col.getColumnName() + " ");
buf.append(col.getTypeName());
boolean bNumeric = false;
if (sLower.equals("numeric") || sLower.equals("number") || sLower.equals("decimal"))
bNumeric = true;
if (sLower.indexOf("char") != -1 || sLower.indexOf("int") != -1) {
buf.append("(");
buf.append(col.getColumnSize());
buf.append(")");
} else if (bNumeric) {
buf.append("(");
buf.append(col.getColumnSize());
if (col.getDecimalDigits() > 0) buf.append(col.getDecimalDigits());
buf.append(")");
}
if (pks.size() == 1 && pks.get(0).equals(col.getColumnName())) {
buf.append(" PRIMARY KEY");
}
String defaultValue = col.getDefaultValue();
if (defaultValue != null && !defaultValue.equals("")) {
buf.append(" default ");
boolean isSystemValue = bNumeric;
if (defaultValue.equalsIgnoreCase("CURRENT_TIMESTAMP")) {
isSystemValue = true;
}
if (!isSystemValue) buf.append("'");
buf.append(defaultValue);
if (!isSystemValue) buf.append("'");
}
if (notNull) {
buf.append(" not null");
}
buf.append(",");
}
buf.deleteCharAt(buf.length() - 1);
buf.append(")" + sep);
SQLEditorInput input =
new SQLEditorInput(
"SQL Editor (" + SQLExplorerPlugin.getDefault().getEditorSerialNo() + ").sql");
input.setUser(_selectedNodes[0].getSession().getUser());
IWorkbenchPage page =
SQLExplorerPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getActivePage();
SQLEditor editorPart =
(SQLEditor)
page.openEditor(input, "com.safi.workshop.sqlexplorer.plugin.editors.SQLEditor");
editorPart.setText(buf.toString());
} catch (SQLException e) {
SQLExplorerPlugin.error("Error creating export script", e);
} catch (PartInitException e) {
SQLExplorerPlugin.error("Error creating export script", e);
}
}
/** Let fw get the list of default values for the columns to be used when creating a new row */
public String[] getDefaultValues(ColumnDisplayDefinition[] colDefs) {
// we return something valid even if there is a DB error
final String[] defaultValues = new String[colDefs.length];
// if we could not identify which table to edit, just return
if (ti == null) {
return defaultValues;
}
final ISession session = _session;
final ISQLConnection conn = session.getSQLConnection();
try {
SQLDatabaseMetaData md = conn.getSQLMetaData();
TableColumnInfo[] infos = md.getColumnInfo(ti);
// read the DB MetaData info and fill in the value, if any
// Note that the ResultSet info and the colDefs should be
// in the same order, but we cannot guarantee that.
int expectedColDefIndex = 0;
for (int idx = 0; idx < infos.length; idx++) {
String colName = infos[idx].getColumnName();
String defValue = infos[idx].getDefaultValue();
// if value was null, we do not need to do
// anything else with this column.
// Also assume that a value of "" is equivilent to null
if (defValue != null && defValue.length() > 0) {
// find the entry in colDefs matching this column
if (colDefs[expectedColDefIndex].getColumnName().equals(colName)) {
// DB cols are in same order as colDefs
defaultValues[expectedColDefIndex] = defValue;
} else {
// colDefs not in same order as DB, so search for
// matching colDef entry
// Note: linear search here will NORMALLY be not too bad
// because most tables do not have huge numbers of columns.
for (int i = 0; i < colDefs.length; i++) {
if (colDefs[i].getColumnName().equals(colName)) {
defaultValues[i] = defValue;
break;
}
}
}
}
// assuming that the columns in table match colDefs,
// bump the index to point to the next colDef entry
expectedColDefIndex++;
}
} catch (Exception ex) {
// i18n[DataSetUpdateableTableModelImpl.error.retrievingdefaultvalues=Error retrieving default
// column values]
s_log.error(
s_stringMgr.getString("DataSetUpdateableTableModelImpl.error.retrievingdefaultvalues"),
ex);
}
return defaultValues;
}
