SqlToRelTestBase (Calcite 1.18.0 Test API)

java.lang.Object
- org.apache.calcite.test.SqlToRelTestBase

Direct Known Subclasses:

RelMetadataTest, RelOptTestBase, SqlToRelConverterTest
```
public abstract class SqlToRelTestBase
extends java.lang.Object
```
SqlToRelTestBase is an abstract base for tests which involve conversion from SQL to relational algebra.
SQL statements to be translated can use the schema defined in MockCatalogReader; note that this is slightly different from Farrago's SALES schema. If you get a parser or validator error from your test SQL, look down in the stack until you see "Caused by", which will usually tell you the real error.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`private static class`	`SqlToRelTestBase.DelegatingRelOptTable`	Table that delegates to a given table.
`private static class`	`SqlToRelTestBase.FarragoTestValidator`	Validator for testing.
`protected static class`	`SqlToRelTestBase.MockRelOptSchema`	Mock implementation of `RelOptSchema`.
`static interface`	`SqlToRelTestBase.Tester`	Helper class which contains default implementations of methods used for running sql-to-rel conversion tests.
`static class`	`SqlToRelTestBase.TesterImpl`	Default implementation of `SqlToRelTestBase.Tester`, using mock classes `SqlToRelTestBase.MockRelOptSchema` and `MockRelOptPlanner`.

Field Summary

Fields
Modifier and Type Field Description

protected static java.lang.String NL

protected SqlToRelTestBase.Tester tester

Constructor Summary

Constructors
Constructor Description

SqlToRelTestBase()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`assertValid(org.apache.calcite.rel.RelNode rel)`	Checks that every node of a relational expression is valid.
`protected SqlToRelTestBase.Tester`	`createTester()`
`protected SqlToRelTestBase.Tester`	`createTester(org.apache.calcite.sql.validate.SqlConformance conformance)`
`protected DiffRepository`	`getDiffRepos()`	Returns the default diff repository for this test, or null if there is no repository.
`protected SqlToRelTestBase.Tester`	`getTesterWithDynamicTable()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - NL
```
protected static final java.lang.String NL
```
  - tester
```
protected final SqlToRelTestBase.Tester tester
```
- Constructor Detail
  - SqlToRelTestBase
```
public SqlToRelTestBase()
```
- Method Detail
  - createTester
```
protected SqlToRelTestBase.Tester createTester()
```
  - createTester
```
protected SqlToRelTestBase.Tester createTester(org.apache.calcite.sql.validate.SqlConformance conformance)
```
  - getTesterWithDynamicTable
```
protected SqlToRelTestBase.Tester getTesterWithDynamicTable()
```
  - getDiffRepos
```
protected DiffRepository getDiffRepos()
```
    Returns the default diff repository for this test, or null if there is no repository.
    The default implementation returns null.
    Sub-classes that want to use a diff repository can override. Sub-sub-classes can override again, inheriting test cases and overriding selected test results.
    And individual test cases can override by providing a different tester object.
    
    Returns:
    
    Diff repository
  - assertValid
```
public static void assertValid(org.apache.calcite.rel.RelNode rel)
```
    Checks that every node of a relational expression is valid.
    
    Parameters:
    
    rel - Relational expression