public void unparse(SqlWriter writer, SqlNode[] operands, int leftPrec, int rightPrec) {
assert operands.length >= 2;
final SqlWriter.Frame frame = writer.startList(SqlWriter.FrameTypeEnum.Simple);
operands[0].unparse(writer, leftPrec, getLeftPrec());
final boolean needsSpace = true;
writer.setNeedWhitespace(needsSpace);
writer.sep("AS");
writer.setNeedWhitespace(needsSpace);
operands[1].unparse(writer, getRightPrec(), rightPrec);
if (operands.length > 2) {
final SqlWriter.Frame frame1 = writer.startList(SqlWriter.FrameTypeEnum.Simple, "(", ")");
for (int i = 2; i < operands.length; i++) {
SqlNode operand = operands[i];
writer.sep(",", false);
operand.unparse(writer, 0, 0);
}
writer.endList(frame1);
}
writer.endList(frame);
}
public void unparse(SqlWriter writer, int leftPrec, int rightPrec) {
writer.print("?");
writer.setNeedWhitespace(false);
}