Package org.apache.calcite.test.fuzzer

Class RexFuzzer

java.lang.Object

org.apache.calcite.test.RexProgramBuilderBase

org.apache.calcite.test.fuzzer.RexFuzzer

public class RexFuzzer
extends RexProgramBuilderBase

Generates random RexNode instances for tests.

Field Summary

Fields

Modifier and Type	Field	Description
private static org.apache.calcite.sql.SqlOperator[]	ANY_SAME_TYPE_MULTI_ARG
private static org.apache.calcite.sql.SqlOperator[]	ANY_TO_BOOL
private static org.apache.calcite.sql.SqlOperator[]	BOOL_TO_BOOL
private static org.apache.calcite.sql.SqlOperator[]	BOOL_TO_BOOL_MULTI_ARG
private static org.apache.calcite.sql.SqlOperator[]	COMPARABLE_TO_BOOL
private static int[]	INT_VALUES
private org.apache.calcite.rel.type.RelDataType	intType
private static int	MAX_VARS
private org.apache.calcite.rel.type.RelDataType	nullableIntType
private static org.apache.calcite.sql.SqlOperator[]	NUMERIC_TO_NUMERIC
private static org.apache.calcite.sql.SqlOperator[]	UNARY_NUMERIC

Fields inherited from class org.apache.calcite.test.RexProgramBuilderBase

executor, falseLiteral, MAX_FIELDS, nullBool, nullInt, nullVarchar, rexBuilder, simplify, trueLiteral, typeFactory

Constructor Summary

Constructors

Constructor	Description
RexFuzzer(org.apache.calcite.rex.RexBuilder rexBuilder, org.apache.calcite.adapter.java.JavaTypeFactory typeFactory)	Generates randomized RexNode.

Method Summary

Modifier and Type	Method	Description
org.apache.calcite.rex.RexNode	fuzzCase(java.util.Random r, int depth, java.util.function.Function<java.util.Random,org.apache.calcite.rex.RexNode> resultFactory)
private org.apache.calcite.rex.RexNode	fuzzOperator(java.util.Random r, org.apache.calcite.sql.SqlOperator[] operators, int length, java.util.function.Function<java.util.Random,org.apache.calcite.rex.RexNode> factory)
private org.apache.calcite.rex.RexNode	fuzzOperator(java.util.Random r, org.apache.calcite.sql.SqlOperator[] operators, org.apache.calcite.rex.RexNode... args)
org.apache.calcite.rex.RexNode	getBoolExpression(java.util.Random r, int depth)
org.apache.calcite.rex.RexNode	getComparableExpression(java.util.Random r, int depth)
org.apache.calcite.rex.RexNode	getExpression(java.util.Random r, int depth)
org.apache.calcite.rex.RexNode	getIntExpression(java.util.Random r, int depth)
org.apache.calcite.rex.RexNode	getSimpleBool(java.util.Random r)
org.apache.calcite.rex.RexNode	getSimpleInt(java.util.Random r)

Methods inherited from class org.apache.calcite.test.RexProgramBuilderBase

abstractCast, add, and, and, case_, case_, cast, coalesce, div, divInt, eq, ge, gt, in, input, isDistinctFrom, isFalse, isNotDistinctFrom, isNotFalse, isNotNull, isNotTrue, isNull, isTrue, isUnknown, le, literal, literal, literal, literal, literal, literal, literal, lt, mul, ne, not, null_, nullable, nullIf, or, or, plus, setUp, sub, tBoolean, tBoolean, tInt, tInt, tVarchar, tVarchar, unaryMinus, unaryPlus, vBool, vBool, vBoolNotNull, vBoolNotNull, vInt, vInt, vIntNotNull, vIntNotNull, vVarchar, vVarchar, vVarcharNotNull, vVarcharNotNull

Methods inherited from class java.lang.Object

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

Field Detail

MAX_VARS

private static final int MAX_VARS

See Also:

Constant Field Values

BOOL_TO_BOOL

private static final org.apache.calcite.sql.SqlOperator[] BOOL_TO_BOOL

ANY_TO_BOOL

private static final org.apache.calcite.sql.SqlOperator[] ANY_TO_BOOL

COMPARABLE_TO_BOOL

private static final org.apache.calcite.sql.SqlOperator[] COMPARABLE_TO_BOOL

BOOL_TO_BOOL_MULTI_ARG

private static final org.apache.calcite.sql.SqlOperator[] BOOL_TO_BOOL_MULTI_ARG

ANY_SAME_TYPE_MULTI_ARG

private static final org.apache.calcite.sql.SqlOperator[] ANY_SAME_TYPE_MULTI_ARG

NUMERIC_TO_NUMERIC

private static final org.apache.calcite.sql.SqlOperator[] NUMERIC_TO_NUMERIC

UNARY_NUMERIC

private static final org.apache.calcite.sql.SqlOperator[] UNARY_NUMERIC

INT_VALUES

private static final int[] INT_VALUES

intType

private final org.apache.calcite.rel.type.RelDataType intType

nullableIntType

private final org.apache.calcite.rel.type.RelDataType nullableIntType

Constructor Detail

RexFuzzer

public RexFuzzer(org.apache.calcite.rex.RexBuilder rexBuilder,
                 org.apache.calcite.adapter.java.JavaTypeFactory typeFactory)

Generates randomized RexNode.

Parameters:

rexBuilder - builder to be used to create nodes

typeFactory - type factory

Method Detail

getExpression

public org.apache.calcite.rex.RexNode getExpression(java.util.Random r,
                                                    int depth)

fuzzOperator

private org.apache.calcite.rex.RexNode fuzzOperator(java.util.Random r,
                                                    org.apache.calcite.sql.SqlOperator[] operators,
                                                    org.apache.calcite.rex.RexNode... args)

fuzzOperator

private org.apache.calcite.rex.RexNode fuzzOperator(java.util.Random r,
                                                    org.apache.calcite.sql.SqlOperator[] operators,
                                                    int length,
                                                    java.util.function.Function<java.util.Random,org.apache.calcite.rex.RexNode> factory)

getComparableExpression

public org.apache.calcite.rex.RexNode getComparableExpression(java.util.Random r,
                                                              int depth)

getSimpleBool

public org.apache.calcite.rex.RexNode getSimpleBool(java.util.Random r)

getBoolExpression

public org.apache.calcite.rex.RexNode getBoolExpression(java.util.Random r,
                                                        int depth)

getSimpleInt

public org.apache.calcite.rex.RexNode getSimpleInt(java.util.Random r)

getIntExpression

public org.apache.calcite.rex.RexNode getIntExpression(java.util.Random r,
                                                       int depth)

fuzzCase

public org.apache.calcite.rex.RexNode fuzzCase(java.util.Random r,
                                               int depth,
                                               java.util.function.Function<java.util.Random,org.apache.calcite.rex.RexNode> resultFactory)