public static List<Integer> genReadColsIndexes(TableMeta meta, String[] readCols) {
if (readCols == null
|| readCols.length == 0
|| readCols[0] == null
|| readCols[0].trim().length() == 0) {
return null;
}
List<Integer> indexes = new ArrayList<Integer>();
for (String col : readCols) {
boolean found = false;
for (int j = 0; j < meta.getCols().length; ++j) {
if (meta.getCols()[j].getName().equals(col)) {
indexes.add(j);
found = true;
break;
}
}
if (!found) {
throw new RuntimeException(
ExceptionCode.ODPS_0720021
+ " - "
+ col
+ " in table "
+ meta.getProjName()
+ "."
+ meta.getTableName());
}
}
return indexes;
}
public static Column[] getInputTableFields(TableMeta meta, String[] cols) {
if (cols == null || cols[0].length() == 0) {
return meta.getCols();
}
List<Column> fields = new ArrayList<Column>();
for (String col : cols) {
for (Column field : meta.getCols()) {
if (col.equals(field.getName())) {
fields.add(field);
}
}
}
return fields.toArray(new Column[fields.size()]);
}