SelectStatement statement = table.getSelectStatement();
SelectTableReference tableReference = statement.getSelectTableReference();
SelectStatement existsStatement = otherTable.getSelectStatement();
SelectTableReference existsTableReference = existsStatement.getSelectTableReference();
BooleanConstraint bc = existsStatement.getWhere().createEQ();
bc.addPart(existsTableReference.newColumnReference("RefIndex"));
bc.addPart(tableReference.newColumnReference("MyIndex"));
statement.getWhere().createEXISTS(existsStatement);
SQLGenerator generator = getSQLGenerator();
generator.setLineTerminator("\n");