private SqlOperator toOp(SqlIdentifier name, Function function) { List<RelDataType> argTypes = new ArrayList<RelDataType>(); List<SqlTypeFamily> typeFamilies = new ArrayList<SqlTypeFamily>(); for (FunctionParameter o : function.getParameters()) { final RelDataType type = o.getType(typeFactory); argTypes.add(type); typeFamilies.add(Util.first(type.getSqlTypeName().getFamily(), SqlTypeFamily.ANY)); } final RelDataType returnType; if (function instanceof ScalarFunction) { return new SqlUserDefinedFunction( name, ReturnTypes.explicit(Schemas.proto((ScalarFunction) function)), InferTypes.explicit(argTypes), OperandTypes.family(typeFamilies), toSql(argTypes), function); } else if (function instanceof AggregateFunction) { returnType = ((AggregateFunction) function).getReturnType(typeFactory); return new SqlUserDefinedAggFunction( name, ReturnTypes.explicit(returnType), InferTypes.explicit(argTypes), OperandTypes.family(typeFamilies), (AggregateFunction) function); } else if (function instanceof TableMacro) { return new SqlUserDefinedTableMacro( name, ReturnTypes.CURSOR, InferTypes.explicit(argTypes), OperandTypes.family(typeFamilies), (TableMacro) function); } else if (function instanceof TableFunction) { return new SqlUserDefinedTableFunction( name, ReturnTypes.CURSOR, InferTypes.explicit(argTypes), OperandTypes.family(typeFamilies), toSql(argTypes), (TableFunction) function); } else { throw new AssertionError("unknown function type " + function); } }
public String apply(String original, int attempt, int size) { return Util.first(original, "$f") + size; }
public String apply(String original, int attempt, int size) { return Util.first(original, "EXPR$") + attempt; }