## 68.4. BKI Commands

`create` `tablename` `tableoid` [`bootstrap`] [`shared_relation`] [`without_oids`] [`rowtype_oid` `oid`] (`name1` = `type1` [`FORCE NOT NULL` | `FORCE NULL` ] [, `name2` = `type2` [`FORCE NOT NULL` | `FORCE NULL` ], ...])

  Create a table named `tablename`, and having the OID `tableoid`, with the columns given in parentheses.

  The following column types are supported directly by `bootstrap.c`: `bool`, `bytea`, `char` (1 byte), `name`, `int2`, `int4`, `regproc`, `regclass`, `regtype`, `text`, `oid`, `tid`, `xid`, `cid`, `int2vector`, `oidvector`, `_int4` (array), `_text` (array), `_oid` (array), `_char` (array), `_aclitem` (array). Although it is possible to create tables containing columns of other types, this cannot be done until after `pg_type` has been created and filled with appropriate entries. (That effectively means that only these column types can be used in bootstrap catalogs, but non-bootstrap catalogs can contain any built-in type.)

  When `bootstrap` is specified, the table will only be created on disk; nothing is entered into `pg_class`, `pg_attribute`, etc, for it. Thus the table will not be accessible by ordinary SQL operations until such entries are made the hard way (with `insert` commands). This option is used for creating `pg_class` etc themselves.

  The table is created as shared if `shared_relation` is specified. It will have OIDs unless `without_oids` is specified. The table's row type OID (`pg_type` OID) can optionally be specified via the `rowtype_oid` clause; if not specified, an OID is automatically generated for it. (The `rowtype_oid` clause is useless if `bootstrap` is specified, but it can be provided anyway for documentation.)

`open` `tablename`

  Open the table named `tablename` for insertion of data. Any currently open table is closed.

`close` `tablename`

  Close the open table. The name of the table must be given as a cross-check.

`insert` [`OID =` `oid_value`] `(` `value1` `value2` ... `)`

  Insert a new row into the open table using `value1`, `value2`, etc., for its column values and `oid_value` for its OID. If `oid_value` is zero (0) or the clause is omitted, and the table has OIDs, then the next available OID is assigned.

  NULL values can be specified using the special key word `_null_`. Values that do not look like identifiers or digit strings must be double quoted.

`declare` [`unique`] `index` `indexname` `indexoid` `on` `tablename` `using` `amname` `(` `opclass1` `name1` [, ...] `)`

  Create an index named `indexname`, having OID `indexoid`, on the table named `tablename`, using the `amname` access method. The fields to index are called `name1`, `name2` etc., and the operator classes to use are `opclass1`, `opclass2` etc., respectively. The index file is created and appropriate catalog entries are made for it, but the index contents are not initialized by this command.

`declare toast` `toasttableoid` `toastindexoid` `on` `tablename`

  Create a TOAST table for the table named `tablename`. The TOAST table is assigned OID `toasttableoid` and its index is assigned OID `toastindexoid`. As with `declare index`, filling of the index is postponed.

`build indices`

  Fill in the indices that have previously been declared.