@Override
protected String prettyPrintSingleArg(
SQLSkin skin, OperatorDefinition opDef, OperatorPiece piece, String[] args)
throws RenderingException {
String txt = "CAST(";
txt += args[0] + " AS ";
if (CastOperatorDefinition.TO_TIMESTAMP.equals(opDef.getExtendedID())) {
txt += "DATETIME)";
} else if (CastOperatorDefinition.TO_DATE.equals(opDef.getExtendedID())) {
txt += "DATE)";
} else if (CastOperatorDefinition.TO_CHAR.equals(opDef.getExtendedID())) {
// length is optional on mysql
txt = "CHAR(";
txt += ((CastOperatorDefinition) opDef).getPieceLength(getExtendedPieces(piece)) + "))";
} else if (CastOperatorDefinition.TO_NUMBER.equals(opDef.getExtendedID())) {
if (args.length == 1) {
// txt = "(" + args[0] + " + 0.0)";
txt += "DECIMAL(65,30))";
} else if (args.length == 3) {
txt += "DECIMAL(" + args[1] + "," + args[2] + "))";
}
} else if (CastOperatorDefinition.TO_INTEGER.equals(opDef.getExtendedID())) {
txt += "SIGNED)";
}
return txt;
}
@Override
public String prettyPrint(
SQLSkin skin, OperatorPiece piece, OperatorDefinition opDef, String[] args)
throws RenderingException {
if (args.length == 1) {
return prettyPrintSingleArg(skin, opDef, piece, args);
} else if (args.length == 2) {
return prettyPrintTwoArgs(skin, piece, opDef, args);
} else {
if (CastOperatorDefinition.TO_NUMBER.equals(opDef.getExtendedID())) {
return prettyPrintSingleArg(skin, opDef, piece, args);
} else {
throw new RenderingException("Invalid operator " + opDef.getSymbol());
}
}
}
@Override
public String prettyPrintTwoArgs(
SQLSkin skin, OperatorPiece piece, OperatorDefinition opDef, String[] args)
throws RenderingException {
ExtendedType[] types = getExtendedPieces(piece);
if (CastOperatorDefinition.TO_CHAR.equals(opDef.getExtendedID())) {
if (types[0].getDomain().isInstanceOf(IDomain.TEMPORAL)) {
return "CAST(DATE_FORMAT(" + args[0] + "," + formatMapping(args[1]) + ") AS CHAR)";
} else {
return super.prettyPrintTwoArgs(skin, piece, opDef, args);
}
} else if (CastOperatorDefinition.TO_DATE.equals(opDef.getExtendedID())
|| CastOperatorDefinition.TO_DATE.equals(opDef.getExtendedID())) {
if (types[0].getDomain().isInstanceOf(IDomain.STRING)) {
return "STR_TO_DATE(" + args[0] + "," + formatMapping(args[1]) + ")";
} else {
return "DATE_FORMAT(" + args[0] + "," + formatMapping(args[1]) + ")";
}
} else {
return super.prettyPrintTwoArgs(skin, piece, opDef, args);
}
}