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## org.modeshape.graph.query.validate
Interface Schemata.Table

All Known Subinterfaces:
  Schemata.View

Enclosing interface:
  Schemata

    public static interface Schemata.Table

Information about a queryable table.

Method Summary
`Schemata.Column` | `getColumn(String name)` Get the information for a column with the supplied name within this table.
`List<Schemata.Column>` | `getColumns()` Get the queryable columns in this table.
`Map<String,Schemata.Column>` | `getColumnsByName()` Get the queryable columns in this table.
`Schemata.Key` | `getKey(Iterable<Schemata.Column> columns)` Obtain this table's `key` that contains exactly those columns listed.
`Schemata.Key` | `getKey(Schemata.Column... columns)` Obtain this table's `key` that contains exactly those columns listed.
`Collection<Schemata.Key>` | `getKeys()` Get the collection of keys for this table.
`SelectorName` | `getName()` Get the name for this table.
`List<Schemata.Column>` | `getSelectAllColumns()` Get the queryable columns in this table that should be used in case of "SELECT *".
`Map<String,Schemata.Column>` | `getSelectAllColumnsByName()` Get the queryable columns in this table that should be used in case of "SELECT *".
`boolean` | `hasExtraColumns()` Determine whether this table allows has extra columns not included in the `column list`.
`boolean` | `hasKey(Iterable<Schemata.Column> columns)` Determine whether this table has a `key` that contains exactly those columns listed.
`boolean` | `hasKey(Schemata.Column... columns)` Determine whether this table has a `key` that contains exactly those columns listed.

Method Detail

### getName

    SelectorName getName()

  Get the name for this table.

  Returns:
    the table name; never null

### getColumn

    Schemata.Column getColumn(String name)

  Get the information for a column with the supplied name within this table.

  The resulting column definition is immutable.

  Parameters:
    `name` - the column name; may not be null
  Returns:
    the column information, or null if there is no such column

### getColumnsByName

    Map<String,Schemata.Column> getColumnsByName()

  Get the queryable columns in this table.

  Returns:
    the immutable map of immutable column objects by their name; never null

### getColumns

    List<Schemata.Column> getColumns()

  Get the queryable columns in this table.

  Returns:
    the immutable, ordered list of immutable column objects; never null

### getSelectAllColumns

    List<Schemata.Column> getSelectAllColumns()

  Get the queryable columns in this table that should be used in case of "SELECT *".

  Returns:
    the immutable, ordered list of immutable column objects; never null

### getSelectAllColumnsByName

    Map<String,Schemata.Column> getSelectAllColumnsByName()

  Get the queryable columns in this table that should be used in case of "SELECT *".

  Returns:
    the immutable map of immutable column objects by their name; never null

### getKeys

    Collection<Schemata.Key> getKeys()

  Get the collection of keys for this table.

  Returns:
    the immutable collection of immutable keys; never null, but possibly empty

### hasKey

    boolean hasKey(Schemata.Column... columns)

  Determine whether this table has a `key` that contains exactly those columns listed.

  Parameters:
    `columns` - the columns for the key
  Returns:
    true if this table contains a key using exactly the supplied columns, or false otherwise

### hasKey

    boolean hasKey(Iterable<Schemata.Column> columns)

  Determine whether this table has a `key` that contains exactly those columns listed.

  Parameters:
    `columns` - the columns for the key
  Returns:
    true if this table contains a key using exactly the supplied columns, or false otherwise

### getKey

    Schemata.Key getKey(Schemata.Column... columns)

  Obtain this table's `key` that contains exactly those columns listed.

  The resulting key definition is immutable.

  Parameters:
    `columns` - the columns for the key
  Returns:
    the key that uses exactly the supplied columns, or null if there is no such key

### getKey

    Schemata.Key getKey(Iterable<Schemata.Column> columns)

  Obtain this table's `key` that contains exactly those columns listed.

  The resulting key definition is immutable.

  Parameters:
    `columns` - the columns for the key
  Returns:
    the key that uses exactly the supplied columns, or null if there is no such key

### hasExtraColumns

    boolean hasExtraColumns()

  Determine whether this table allows has extra columns not included in the `column list`. This value is used to determine whether columns in a SELECT clause should be validated against the list of known columns.

  Returns:
    true if there are extra columns, or false if the `list of columns` is complete for this table.

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