Package org.apache.calcite.sql.test

Class SqlTests

java.lang.Object

org.apache.calcite.sql.test.SqlTests

public abstract class SqlTests
extends Object

Utility methods.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	SqlTests.Stage	Stage of query processing.
static class	SqlTests.StringTypeChecker	Type checker which compares types to a specified string.

Field Summary

Fields

Modifier and Type	Field	Description
static final SqlTester.TypeChecker	ANY_NULLABLE_TYPE_CHECKER	Checker which enforces that a data type is nullable.
static final SqlTester.ParameterChecker	ANY_PARAMETER_CHECKER	Checker that allows any number or type of parameters.
static final SqlTester.ResultChecker	ANY_RESULT_CHECKER	Checker that allows any result.
static final SqlTester.TypeChecker	ANY_TYPE_CHECKER	Checker which allows any type.
static final SqlTester.TypeChecker	BOOLEAN_TYPE_CHECKER
static final SqlTester.TypeChecker	INTEGER_TYPE_CHECKER

Constructor Summary

Constructors

Constructor	Description
SqlTests()

Method Summary

Modifier and Type	Method	Description
static void	checkEx(@Nullable Throwable ex, @Nullable String expectedMsgPattern, StringAndPos sap, SqlTests.Stage stage)	Checks whether an exception matches the expected pattern.
static String	generateAggQuery(String expr, String[] inputValues)
static String	generateAggQueryWithMultipleArgs(String expr, String[][] inputValues)
static String	generateWinAggQuery(String expr, String windowSpec, String[] inputValues)
static List<RelDataType>	getTypes(RelDataTypeFactory typeFactory)	Returns a list of typical types.
static String	getTypeString(RelDataType sqlType)	Helper function to get the string representation of a RelDataType (include precision/scale but no charset or collation).

Methods inherited from class java.lang.Object

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

Field Details

INTEGER_TYPE_CHECKER

public static final SqlTester.TypeChecker INTEGER_TYPE_CHECKER

BOOLEAN_TYPE_CHECKER

public static final SqlTester.TypeChecker BOOLEAN_TYPE_CHECKER

ANY_TYPE_CHECKER

public static final SqlTester.TypeChecker ANY_TYPE_CHECKER

Checker which allows any type.

ANY_NULLABLE_TYPE_CHECKER

public static final SqlTester.TypeChecker ANY_NULLABLE_TYPE_CHECKER

Checker which enforces that a data type is nullable.

ANY_PARAMETER_CHECKER

public static final SqlTester.ParameterChecker ANY_PARAMETER_CHECKER

Checker that allows any number or type of parameters.

ANY_RESULT_CHECKER

public static final SqlTester.ResultChecker ANY_RESULT_CHECKER

Checker that allows any result.

Constructor Details

SqlTests

public SqlTests()

Method Details

getTypeString

public static String getTypeString(RelDataType sqlType)

Helper function to get the string representation of a RelDataType (include precision/scale but no charset or collation).

Parameters:

sqlType - Type

Returns:

String representation of type

getTypes

public static List<RelDataType> getTypes(RelDataTypeFactory typeFactory)

Returns a list of typical types.

generateAggQuery

public static String generateAggQuery(String expr,
 String[] inputValues)

generateAggQueryWithMultipleArgs

public static String generateAggQueryWithMultipleArgs(String expr,
 String[][] inputValues)

generateWinAggQuery

public static String generateWinAggQuery(String expr,
 String windowSpec,
 String[] inputValues)

checkEx

public static void checkEx(@Nullable Throwable ex,
 @Nullable String expectedMsgPattern,
 StringAndPos sap,
 SqlTests.Stage stage)

Checks whether an exception matches the expected pattern. If sap contains an error location, checks this too.

Parameters:

ex - Exception thrown

expectedMsgPattern - Expected pattern

sap - Query and (optional) position in query

stage - Query processing stage