mirror of
https://github.com/postgres/postgres.git
synced 2026-03-15 15:14:05 -04:00
63bd0db121
and should do now that we control our own destiny for timezone handling, but this commit gets the bulk of the picayune diffs in place. Magnus Hagander and Tom Lane.
346 lines
6.7 KiB
Text
346 lines
6.7 KiB
Text
%{
|
|
/*-------------------------------------------------------------------------
|
|
*
|
|
* bootparse.y
|
|
* yacc parser grammar for the "backend" initialization program.
|
|
*
|
|
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
|
|
* Portions Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
*
|
|
* IDENTIFICATION
|
|
* $PostgreSQL: pgsql/src/backend/bootstrap/bootparse.y,v 1.67 2004/05/21 05:07:56 tgl Exp $
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
|
|
#include "postgres.h"
|
|
|
|
#include <unistd.h>
|
|
|
|
#include "access/attnum.h"
|
|
#include "access/htup.h"
|
|
#include "access/itup.h"
|
|
#include "access/skey.h"
|
|
#include "access/tupdesc.h"
|
|
#include "access/xact.h"
|
|
#include "bootstrap/bootstrap.h"
|
|
#include "catalog/catalog.h"
|
|
#include "catalog/heap.h"
|
|
#include "catalog/pg_am.h"
|
|
#include "catalog/pg_attribute.h"
|
|
#include "catalog/pg_class.h"
|
|
#include "catalog/pg_namespace.h"
|
|
#include "commands/defrem.h"
|
|
#include "miscadmin.h"
|
|
#include "nodes/makefuncs.h"
|
|
#include "nodes/nodes.h"
|
|
#include "nodes/parsenodes.h"
|
|
#include "nodes/pg_list.h"
|
|
#include "nodes/primnodes.h"
|
|
#include "pgtime.h"
|
|
#include "rewrite/prs2lock.h"
|
|
#include "storage/block.h"
|
|
#include "storage/fd.h"
|
|
#include "storage/ipc.h"
|
|
#include "storage/itemptr.h"
|
|
#include "storage/off.h"
|
|
#include "storage/smgr.h"
|
|
#include "tcop/dest.h"
|
|
#include "utils/nabstime.h"
|
|
#include "utils/rel.h"
|
|
|
|
|
|
static void
|
|
do_start()
|
|
{
|
|
StartTransactionCommand();
|
|
elog(DEBUG4, "start transaction");
|
|
}
|
|
|
|
|
|
static void
|
|
do_end()
|
|
{
|
|
CommitTransactionCommand();
|
|
elog(DEBUG4, "commit transaction");
|
|
CHECK_FOR_INTERRUPTS(); /* allow SIGINT to kill bootstrap run */
|
|
if (isatty(0))
|
|
{
|
|
printf("bootstrap> ");
|
|
fflush(stdout);
|
|
}
|
|
}
|
|
|
|
|
|
int num_columns_read = 0;
|
|
|
|
%}
|
|
|
|
%union
|
|
{
|
|
List *list;
|
|
IndexElem *ielem;
|
|
char *str;
|
|
int ival;
|
|
Oid oidval;
|
|
}
|
|
|
|
%type <list> boot_index_params
|
|
%type <ielem> boot_index_param
|
|
%type <ival> boot_const boot_ident
|
|
%type <ival> optbootstrap optsharedrelation optwithoutoids
|
|
%type <ival> boot_tuple boot_tuplelist
|
|
%type <oidval> optoideq
|
|
|
|
%token <ival> CONST_P ID
|
|
%token OPEN XCLOSE XCREATE INSERT_TUPLE
|
|
%token STRING XDEFINE
|
|
%token XDECLARE INDEX ON USING XBUILD INDICES UNIQUE
|
|
%token COMMA EQUALS LPAREN RPAREN
|
|
%token OBJ_ID XBOOTSTRAP XSHARED_RELATION XWITHOUT_OIDS NULLVAL
|
|
%start TopLevel
|
|
|
|
%nonassoc low
|
|
%nonassoc high
|
|
|
|
%%
|
|
|
|
TopLevel:
|
|
Boot_Queries
|
|
|
|
|
;
|
|
|
|
Boot_Queries:
|
|
Boot_Query
|
|
| Boot_Queries Boot_Query
|
|
;
|
|
|
|
Boot_Query :
|
|
Boot_OpenStmt
|
|
| Boot_CloseStmt
|
|
| Boot_CreateStmt
|
|
| Boot_InsertStmt
|
|
| Boot_DeclareIndexStmt
|
|
| Boot_DeclareUniqueIndexStmt
|
|
| Boot_BuildIndsStmt
|
|
;
|
|
|
|
Boot_OpenStmt:
|
|
OPEN boot_ident
|
|
{
|
|
do_start();
|
|
boot_openrel(LexIDStr($2));
|
|
do_end();
|
|
}
|
|
;
|
|
|
|
Boot_CloseStmt:
|
|
XCLOSE boot_ident %prec low
|
|
{
|
|
do_start();
|
|
closerel(LexIDStr($2));
|
|
do_end();
|
|
}
|
|
| XCLOSE %prec high
|
|
{
|
|
do_start();
|
|
closerel(NULL);
|
|
do_end();
|
|
}
|
|
;
|
|
|
|
Boot_CreateStmt:
|
|
XCREATE optbootstrap optsharedrelation optwithoutoids boot_ident LPAREN
|
|
{
|
|
do_start();
|
|
numattr = 0;
|
|
elog(DEBUG4, "creating%s%s relation %s",
|
|
$2 ? " bootstrap" : "",
|
|
$3 ? " shared" : "",
|
|
LexIDStr($5));
|
|
}
|
|
boot_typelist
|
|
{
|
|
do_end();
|
|
}
|
|
RPAREN
|
|
{
|
|
TupleDesc tupdesc;
|
|
|
|
do_start();
|
|
|
|
tupdesc = CreateTupleDesc(numattr, !($4), attrtypes);
|
|
|
|
if ($2)
|
|
{
|
|
if (boot_reldesc)
|
|
{
|
|
elog(DEBUG4, "create bootstrap: warning, open relation exists, closing first");
|
|
closerel(NULL);
|
|
}
|
|
|
|
boot_reldesc = heap_create(LexIDStr($5),
|
|
PG_CATALOG_NAMESPACE,
|
|
tupdesc,
|
|
$3,
|
|
true,
|
|
true);
|
|
elog(DEBUG4, "bootstrap relation created");
|
|
}
|
|
else
|
|
{
|
|
Oid id;
|
|
|
|
id = heap_create_with_catalog(LexIDStr($5),
|
|
PG_CATALOG_NAMESPACE,
|
|
tupdesc,
|
|
RELKIND_RELATION,
|
|
$3,
|
|
true,
|
|
0,
|
|
ONCOMMIT_NOOP,
|
|
true);
|
|
elog(DEBUG4, "relation created with oid %u", id);
|
|
}
|
|
do_end();
|
|
}
|
|
;
|
|
|
|
Boot_InsertStmt:
|
|
INSERT_TUPLE optoideq
|
|
{
|
|
do_start();
|
|
if ($2)
|
|
elog(DEBUG4, "inserting row with oid %u", $2);
|
|
else
|
|
elog(DEBUG4, "inserting row");
|
|
num_columns_read = 0;
|
|
}
|
|
LPAREN boot_tuplelist RPAREN
|
|
{
|
|
if (num_columns_read != numattr)
|
|
elog(ERROR, "incorrect number of columns in row (expected %d, got %d)",
|
|
numattr, num_columns_read);
|
|
if (boot_reldesc == NULL)
|
|
{
|
|
elog(ERROR, "relation not open");
|
|
err_out();
|
|
}
|
|
InsertOneTuple($2);
|
|
do_end();
|
|
}
|
|
;
|
|
|
|
Boot_DeclareIndexStmt:
|
|
XDECLARE INDEX boot_ident ON boot_ident USING boot_ident LPAREN boot_index_params RPAREN
|
|
{
|
|
do_start();
|
|
|
|
DefineIndex(makeRangeVar(NULL, LexIDStr($5)),
|
|
LexIDStr($3),
|
|
LexIDStr($7),
|
|
$9,
|
|
NULL, NIL,
|
|
false, false, false,
|
|
false, false, true, false);
|
|
do_end();
|
|
}
|
|
;
|
|
|
|
Boot_DeclareUniqueIndexStmt:
|
|
XDECLARE UNIQUE INDEX boot_ident ON boot_ident USING boot_ident LPAREN boot_index_params RPAREN
|
|
{
|
|
do_start();
|
|
|
|
DefineIndex(makeRangeVar(NULL, LexIDStr($6)),
|
|
LexIDStr($4),
|
|
LexIDStr($8),
|
|
$10,
|
|
NULL, NIL,
|
|
true, false, false,
|
|
false, false, true, false);
|
|
do_end();
|
|
}
|
|
;
|
|
|
|
Boot_BuildIndsStmt:
|
|
XBUILD INDICES { build_indices(); }
|
|
;
|
|
|
|
|
|
boot_index_params:
|
|
boot_index_params COMMA boot_index_param { $$ = lappend($1, $3); }
|
|
| boot_index_param { $$ = makeList1($1); }
|
|
;
|
|
|
|
boot_index_param:
|
|
boot_ident boot_ident
|
|
{
|
|
IndexElem *n = makeNode(IndexElem);
|
|
n->name = LexIDStr($1);
|
|
n->expr = NULL;
|
|
n->opclass = makeList1(makeString(LexIDStr($2)));
|
|
$$ = n;
|
|
}
|
|
;
|
|
|
|
optbootstrap:
|
|
XBOOTSTRAP { $$ = 1; }
|
|
| { $$ = 0; }
|
|
;
|
|
|
|
optsharedrelation:
|
|
XSHARED_RELATION { $$ = 1; }
|
|
| { $$ = 0; }
|
|
;
|
|
|
|
optwithoutoids:
|
|
XWITHOUT_OIDS { $$ = 1; }
|
|
| { $$ = 0; }
|
|
;
|
|
|
|
boot_typelist:
|
|
boot_type_thing
|
|
| boot_typelist COMMA boot_type_thing
|
|
;
|
|
|
|
boot_type_thing:
|
|
boot_ident EQUALS boot_ident
|
|
{
|
|
if (++numattr > MAXATTR)
|
|
elog(FATAL, "too many columns");
|
|
DefineAttr(LexIDStr($1),LexIDStr($3),numattr-1);
|
|
}
|
|
;
|
|
|
|
optoideq:
|
|
OBJ_ID EQUALS boot_ident { $$ = atol(LexIDStr($3)); }
|
|
| { $$ = (Oid) 0; }
|
|
;
|
|
|
|
boot_tuplelist:
|
|
boot_tuple
|
|
| boot_tuplelist boot_tuple
|
|
| boot_tuplelist COMMA boot_tuple
|
|
;
|
|
|
|
boot_tuple:
|
|
boot_ident
|
|
{ InsertOneValue(LexIDStr($1), num_columns_read++); }
|
|
| boot_const
|
|
{ InsertOneValue(LexIDStr($1), num_columns_read++); }
|
|
| NULLVAL
|
|
{ InsertOneNull(num_columns_read++); }
|
|
;
|
|
|
|
boot_const :
|
|
CONST_P { $$=yylval.ival; }
|
|
;
|
|
|
|
boot_ident :
|
|
ID { $$=yylval.ival; }
|
|
;
|
|
%%
|
|
|
|
#include "bootscanner.c"
|