core/src/main/java/com/orientechnologies/orient/core/sql/parser/JavaCharStream.java
public void ReInit(java.io.Reader dstream,
                                        int startline, int startcolumn)
  {
    ReInit(dstream, startline, startcolumn, 4096);
  }
public void ReInit(java.io.Reader dstream,
                                        int startline, int startcolumn)
  {
    ReInit(dstream, startline, startcolumn, 4096);
  }
Reinitialise.