Uses of Class
relop.Schema

Packages that use Schema

parser
query
relop
tests

Uses of Schema in parser

Methods in parser that return Schema

Schema

AST_CreateTable.getSchema() Gets the parsed schema for the table to create.

Uses of Schema in query

Methods in query that return Schema

Schema	Catalog.getSchema(java.lang.String fileName) Gets the Schema for the given table.
static Schema	QueryCheck.tableExists(java.lang.String tableName) Checks whether a table exists.

Methods in query with parameters of type Schema

static int	QueryCheck.columnExists(Schema schema, java.lang.String columnName) Checks whether a column exists.
void	Catalog.createTable(java.lang.String fileName, Schema schema) Adds a newly created table to the catalog.
IndexDesc[]	Catalog.getIndexes(java.lang.String fileName, Schema schema, int[] fldnos) Gets any indexes on a given set of columns.
static void	QueryCheck.insertValues(Schema schema, java.lang.Object[] values) Checks whether values to insert matches the table schema.
static void	QueryCheck.predicates(Schema schema, Predicate[][] preds) Checks whether selection predicates (in CNF) match the given schema.
static int[]	QueryCheck.updateFields(Schema schema, java.lang.String[] fields) Checks whether field to update match the table schema.
static void	QueryCheck.updateValues(Schema schema, int[] fldnos, java.lang.Object[] values) Checks whether values to update matches the table schema.

Uses of Schema in relop

Fields in relop declared as Schema

protected Schema	Tuple.schema Schema information for the fields.
protected Schema	Iterator.schema Schema for resulting tuples; must be set in all subclass constructors.

Methods in relop that return Schema

static Schema

Schema.join(Schema s1, Schema s2) Builds and returns a new schema resulting from joining two schemas.

Methods in relop with parameters of type Schema

void	Schema.initField(int fldno, Schema schema, int srcno) Copies a field from another schema.
static Schema	Schema.join(Schema s1, Schema s2) Builds and returns a new schema resulting from joining two schemas.
static Tuple	Tuple.join(Tuple t1, Tuple t2, Schema schema) Builds and returns a new tuple resulting from joining two tuples.
boolean	Predicate.validate(Schema schema) Validates AttrType.COLNAME operands against the given schema.

Constructors in relop with parameters of type Schema

FileScan(Schema schema, HeapFile file)
Constructs a file scan, given the schema and heap file.

IndexScan(Schema schema, HashIndex index, HeapFile file)
Constructs an index scan, given the hash index and schema.

KeyScan(Schema schema, HashIndex index, SearchKey key, HeapFile file)
Constructs an index scan, given the hash index and schema.

Tuple(Schema schema)
Creates a new empty tuple, given its schema.

Tuple(Schema schema, byte[] data)
Creates a new tuple, given existing values to wrap.

Tuple(Schema schema, java.lang.Object... values)
Creates a new tuple, given its schema and values.

Uses of Schema in tests

Fields in tests declared as Schema

private static Schema	ROTest.s_drivers Drivers table schema.
private static Schema	ROTest.s_groups Groups table schema.
private static Schema	ROTest.s_rides Rides table schema.