org.eigenbase.test
Interface SqlToRelTestBase.Tester

All Known Subinterfaces:

Rex2CalcPlanTest.Tester

All Known Implementing Classes:

Rex2CalcPlanTest.TesterImpl, SqlToRelTestBase.TesterImpl

Enclosing class:

SqlToRelTestBase

public static interface SqlToRelTestBase.Tester

Helper class which contains default implementations of methods used for running sql-to-rel conversion tests.

Method Summary

void	assertConvertsTo(String sql, String plan) Checks that a SQL statement converts to a given plan.
RelNode	convertSqlToRel(String sql) Converts a SQL string to a RelNode tree.
SqlValidatorCatalogReader	createCatalogReader(RelDataTypeFactory typeFactory) Factory method for a SqlValidatorCatalogReader.
RelOptPlanner	createPlanner()
SqlToRelTestBase.MockRelOptSchema	createRelOptSchema(SqlValidatorCatalogReader catalogReader, RelDataTypeFactory typeFactory)
SqlValidator	createValidator(SqlValidatorCatalogReader catalogReader, RelDataTypeFactory typeFactory) Factory method to create a SqlValidator.
SqlConformance	getConformance() Returns the SQL dialect to test.
DiffRepository	getDiffRepos()
SqlOperatorTable	getOperatorTable() Returns the SqlOperatorTable to use.
SqlNode	parseQuery(String sql)

Method Detail

convertSqlToRel

RelNode convertSqlToRel(String sql)

Converts a SQL string to a RelNode tree.

Parameters:

sql - SQL statement

Returns:

Relational expression, never null

"Precondition:"

sql != null

"Postcondition:"

return != null

parseQuery

SqlNode parseQuery(String sql)
                   throws Exception

Throws:

Exception

createValidator

SqlValidator createValidator(SqlValidatorCatalogReader catalogReader,
                             RelDataTypeFactory typeFactory)

Factory method to create a SqlValidator.

createCatalogReader

SqlValidatorCatalogReader createCatalogReader(RelDataTypeFactory typeFactory)

Factory method for a SqlValidatorCatalogReader.

createPlanner

RelOptPlanner createPlanner()

getOperatorTable

SqlOperatorTable getOperatorTable()

Returns the SqlOperatorTable to use.

createRelOptSchema

SqlToRelTestBase.MockRelOptSchema createRelOptSchema(SqlValidatorCatalogReader catalogReader,
                                                     RelDataTypeFactory typeFactory)

getConformance

SqlConformance getConformance()

Returns the SQL dialect to test.

assertConvertsTo

void assertConvertsTo(String sql,
                      String plan)

Checks that a SQL statement converts to a given plan.

Parameters:

sql - SQL query

plan - Expected plan

getDiffRepos

DiffRepository getDiffRepos()