Package org.apache.calcite.util

Class Smalls

java.lang.Object

org.apache.calcite.util.Smalls

public class Smalls
extends Object

Holder for various classes and functions used in tests as user-defined functions and so forth.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Smalls.AllTypesFunction	UDF class that provides user-defined functions for each data type.
static class	Smalls.AnotherTableMacroFunctionWithNamedParameters	User-defined table-macro function with named and optional parameters.
static class	Smalls.AwkwardFunction	Example of a UDF class that needs to be instantiated but cannot be.
static class	Smalls.CountArgs0Function	Example of a UDF that has overloaded UDFs (same name, different args).
static class	Smalls.CountArgs1Function	See Smalls.CountArgs0Function.
static class	Smalls.CountArgs1NullableFunction	See Smalls.CountArgs0Function.
static class	Smalls.CountArgs2Function	See Smalls.CountArgs0Function.
static class	Smalls.FibonacciTableFunction	Example of a UDF with non-default constructor.
static class	Smalls.IdentityTableFunction	A table function that returns its input value.
static class	Smalls.IntString	Class with int and String fields.
static class	Smalls.MazeTable	The real MazeTable may be found in example/function.
static class	Smalls.MultipleFunction	UDF class that has multiple methods, some overloaded.
static class	Smalls.MyAbcdeFunction	Example of a UDF with named parameters, some of them optional.
static class	Smalls.MyDeterministicPlusFunction	As Smalls.MyPlusFunction but declared to be deterministic.
static class	Smalls.MyDoubleFunction	Example of a UDF with a static eval method.
static class	Smalls.MyExceptionFunction	User-defined function that declares exceptions.
static class	Smalls.MyIncrement	User-defined function with two arguments.
static class	Smalls.MyLeftFunction	Example of a UDF with named parameters.
static class	Smalls.MyPlusFunction	Example of a UDF with a non-static eval method, and named parameters.
static class	Smalls.MyPlusInitFunction	As Smalls.MyPlusFunction but constructor has a FunctionContext parameter.
static class	Smalls.MyStaticSumFunction	Example of a user-defined aggregate function (UDAF), whose methods are static.
static class	Smalls.MySum3	Example of a user-defined aggregate function that implements a generic interface.
static class	Smalls.MySumFunction	Example of a user-defined aggregate function (UDAF).
static class	Smalls.MyTableFunction	A table function that returns a QueryableTable.
static class	Smalls.MyThreeParamsSumFunctionWithFilter1	Example of a user-defined aggregate function (UDAF), whose methods are static.
static class	Smalls.MyThreeParamsSumFunctionWithFilter2	Example of a user-defined aggregate function (UDAF), whose methods are static.
static class	Smalls.MyToStringFunction	Example of a non-strict UDF.
static class	Smalls.MyTwoParamsSumFunctionFilter1	Example of a user-defined aggregate function (UDAF) with two parameters.
static class	Smalls.MyTwoParamsSumFunctionFilter2	Another example of a user-defined aggregate function (UDAF) with two parameters.
static class	Smalls.Null4Function	Example of a semi-strict UDF.
static class	Smalls.Null8Function	Example of a picky, semi-strict UDF.
static class	Smalls.SimpleTable	Table with columns (A, B).
static class	Smalls.SimpleTableFunction	A table function that returns a QueryableTable.
static class	Smalls.SimpleTableMacro	Implementation of TableMacro interface with Smalls.SimpleTableMacro.apply(java.util.List<?>) method that returns Queryable table.
static class	Smalls.StaticTableMacroFunction	User-defined table-macro function whose eval method is static.
static class	Smalls.SumFunctionBadIAdd	User-defined function.
static class	Smalls.TableMacroFunction	User-defined table-macro function.
static class	Smalls.TableMacroFunctionWithNamedParameters	User-defined table-macro function with named and optional parameters.
static class	Smalls.TestStaticTableFunction	A table function that returns a QueryableTable via a static method.
static class	Smalls.WideProductSale	Table with a lot of columns.
static class	Smalls.WideSaleSchema	Schema containing a prod table with a lot of columns.

Field Summary

Fields

Modifier and Type	Field	Description
static final Method	DUMMY_TABLE_METHOD_WITH_TWO_PARAMS
static final Method	DYNAMIC_ROW_TYPE_TABLE_METHOD
static final Method	FIBONACCI_INSTANCE_TABLE_METHOD
static final Method	FIBONACCI_LIMIT_100_TABLE_METHOD
static final Method	FIBONACCI_LIMIT_TABLE_METHOD
static final Method	FIBONACCI_TABLE_METHOD
static final Method	GENERATE_STRINGS_METHOD
static final Method	GENERATE_STRINGS_OF_INPUT_MAP_SIZE_METHOD
static final Method	GENERATE_STRINGS_OF_INPUT_SIZE_METHOD
static final Method	MAZE_METHOD
static final Method	MAZE2_METHOD
static final Method	MAZE3_METHOD
static final Method	MULTIPLICATION_TABLE_METHOD
static final Method	MY_PLUS_EVAL_METHOD
static final Method	MY_PLUS_INIT_EVAL_METHOD
static final Method	PROCESS_CURSOR_METHOD
static final Method	PROCESS_CURSORS_METHOD
static final Method	STR_METHOD
static final Method	STRING_UNION_METHOD
static final Method	VIEW_METHOD

Method Summary

Modifier and Type	Method	Description
static ScannableTable	dummyTableFuncWithTwoParams(long param1, long param2)	A function that takes 2 param as input.
static ScannableTable	dynamicRowTypeTable(String jsonRowType, int rowCount)
static ScannableTable	fibonacciTable()	A function that generates the Fibonacci sequence.
static ScannableTable	fibonacciTableWithLimit(long limit)	A function that generates the Fibonacci sequence.
static ScannableTable	fibonacciTableWithLimit100()	A function that generates the first 100 terms of the Fibonacci sequence.
static QueryableTable	generateStrings(Integer count)	A function that generates a table that generates a sequence of Smalls.IntString values.
static QueryableTable	generateStringsOfInputMapSize(Map<Integer,Integer> map)
static QueryableTable	generateStringsOfInputSize(List<Integer> list)
static QueryableTable	multiplicationTable(int ncol, int nrow, Integer offset)	A function that generates multiplication table of ncol columns x nrow rows.
static QueryableTable	processCursor(int offset, Enumerable<Object[]> a)	Table function that adds a number to the first column of input cursor.
static QueryableTable	processCursors(int offset, Enumerable<Object[]> a, Enumerable<Smalls.IntString> b)	A function that sums the second column of first input cursor, second column of first input and the given int.
static TranslatableTable	str(Object o, Object p)
static <T> Queryable<T>	stringUnion(Queryable<T> q0, Queryable<T> q1)
static TranslatableTable	strView(String s)
static TranslatableTable	view(String s)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

GENERATE_STRINGS_METHOD

public static final Method GENERATE_STRINGS_METHOD

GENERATE_STRINGS_OF_INPUT_SIZE_METHOD

public static final Method GENERATE_STRINGS_OF_INPUT_SIZE_METHOD

GENERATE_STRINGS_OF_INPUT_MAP_SIZE_METHOD

public static final Method GENERATE_STRINGS_OF_INPUT_MAP_SIZE_METHOD

MAZE_METHOD

public static final Method MAZE_METHOD

MAZE2_METHOD

public static final Method MAZE2_METHOD

MAZE3_METHOD

public static final Method MAZE3_METHOD

MULTIPLICATION_TABLE_METHOD

public static final Method MULTIPLICATION_TABLE_METHOD

FIBONACCI_TABLE_METHOD

public static final Method FIBONACCI_TABLE_METHOD

FIBONACCI_LIMIT_100_TABLE_METHOD

public static final Method FIBONACCI_LIMIT_100_TABLE_METHOD

FIBONACCI_LIMIT_TABLE_METHOD

public static final Method FIBONACCI_LIMIT_TABLE_METHOD

FIBONACCI_INSTANCE_TABLE_METHOD

public static final Method FIBONACCI_INSTANCE_TABLE_METHOD

DUMMY_TABLE_METHOD_WITH_TWO_PARAMS

public static final Method DUMMY_TABLE_METHOD_WITH_TWO_PARAMS

DYNAMIC_ROW_TYPE_TABLE_METHOD

public static final Method DYNAMIC_ROW_TYPE_TABLE_METHOD

VIEW_METHOD

public static final Method VIEW_METHOD

STR_METHOD

public static final Method STR_METHOD

STRING_UNION_METHOD

public static final Method STRING_UNION_METHOD

PROCESS_CURSOR_METHOD

public static final Method PROCESS_CURSOR_METHOD

PROCESS_CURSORS_METHOD

public static final Method PROCESS_CURSORS_METHOD

MY_PLUS_EVAL_METHOD

public static final Method MY_PLUS_EVAL_METHOD

MY_PLUS_INIT_EVAL_METHOD

public static final Method MY_PLUS_INIT_EVAL_METHOD

Method Details

stringUnion

public static <T> Queryable<T> stringUnion(Queryable<T> q0,
 Queryable<T> q1)

generateStrings

public static QueryableTable generateStrings(Integer count)

A function that generates a table that generates a sequence of Smalls.IntString values.

generateStringsOfInputSize

public static QueryableTable generateStringsOfInputSize(List<Integer> list)

generateStringsOfInputMapSize

public static QueryableTable generateStringsOfInputMapSize(Map<Integer,Integer> map)

multiplicationTable

public static QueryableTable multiplicationTable(int ncol,
 int nrow,
 Integer offset)

A function that generates multiplication table of ncol columns x nrow rows.

fibonacciTable

public static ScannableTable fibonacciTable()

A function that generates the Fibonacci sequence.

Interesting because it has one column and no arguments, and because it is infinite.

fibonacciTableWithLimit100

public static ScannableTable fibonacciTableWithLimit100()

A function that generates the first 100 terms of the Fibonacci sequence.

Interesting because it has one column and no arguments.

dummyTableFuncWithTwoParams

public static ScannableTable dummyTableFuncWithTwoParams(long param1,
 long param2)

A function that takes 2 param as input.

fibonacciTableWithLimit

public static ScannableTable fibonacciTableWithLimit(long limit)

A function that generates the Fibonacci sequence. Interesting because it has one column and no arguments.

dynamicRowTypeTable

public static ScannableTable dynamicRowTypeTable(String jsonRowType,
 int rowCount)

processCursor

public static QueryableTable processCursor(int offset,
 Enumerable<Object[]> a)

Table function that adds a number to the first column of input cursor.

processCursors

public static QueryableTable processCursors(int offset,
 Enumerable<Object[]> a,
 Enumerable<Smalls.IntString> b)

A function that sums the second column of first input cursor, second column of first input and the given int.

view

public static TranslatableTable view(String s)

strView

public static TranslatableTable strView(String s)

str

public static TranslatableTable str(Object o,
 Object p)