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postgres/src/include/bootstrap/bootstrap.h

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Postgres95 1.01 Distribution - Virgin Sources
30 years ago
/*-------------------------------------------------------------------------
*
Change my-function-name-- to my_function_name, and optimizer renames.
27 years ago
* bootstrap.h
Massive commit to run PGINDENT on all *.c and *.h files.
28 years ago
* include file for the bootstrapping code
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
*
*
Update copyright for the year 2010.
16 years ago
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
Add: * Portions Copyright (c) 1996-2000, PostgreSQL, Inc to all files copyright Regents of Berkeley. Man, that's a lot of files.
26 years ago
* Portions Copyright (c) 1994, Regents of the University of California
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
*
Introduce Streaming Replication. This includes two new kinds of postmaster processes, walsenders and walreceiver. Walreceiver is responsible for connecting to the primary server and streaming WAL to disk, while walsender runs in the primary server and streams WAL from disk to the client. Documentation still needs work, but the basics are there. We will probably pull the replication section to a new chapter later on, as well as the sections describing file-based replication. But let's do that as a separate patch, so that it's easier to see what has been added/changed. This patch also adds a new section to the chapter about FE/BE protocol, documenting the protocol used by walsender/walreceivxer. Bump catalog version because of two new functions, pg_last_xlog_receive_location() and pg_last_xlog_replay_location(), for monitoring the progress of replication. Fujii Masao, with additional hacking by me
16 years ago
* $PostgreSQL: pgsql/src/include/bootstrap/bootstrap.h,v 1.55 2010/01/15 09:19:06 heikki Exp $
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
*
*-------------------------------------------------------------------------
*/
#ifndef BOOTSTRAP_H
#define BOOTSTRAP_H
Cleanup of code for creating index entries. Functional indexes with pass-by-ref data types --- eg, an index on lower(textfield) --- no longer leak memory during index creation or update. Clean up a lot of redundant code ... did you know that copy, vacuum, truncate, reindex, extend index, and bootstrap each basically duplicated the main executor's logic for extracting information about an index and preparing index entries? Functional indexes should be a little faster now too, due to removal of repeated function lookups. CREATE INDEX 'opt_type' clause is deimplemented by these changes, but I haven't removed it from the parser yet (need to merge with Thomas' latest change set first).
26 years ago
#include "nodes/execnodes.h"
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
Simplify the bootstrap (BKI) code by getting rid of a useless table of all the strings seen during the bootstrap run. There might have been some actual point to doing that, many years ago, but as far as I can see the only value now is to conserve a bit of memory. Even if we cared about wasting a megabyte or so during the initdb run, it'd be far more effective to arrange to release memory at the end of each BKI command, instead of intentionally hanging onto strings that might never be used again. Not maintaining the table probably makes it faster too; but the main point of this patch is to get rid of a couple hundred lines of unnecessary and rather crufty code.
16 years ago
typedef enum
{
CheckerProcess,
BootstrapProcess,
StartupProcess,
BgWriterProcess,
WalWriterProcess,
Introduce Streaming Replication. This includes two new kinds of postmaster processes, walsenders and walreceiver. Walreceiver is responsible for connecting to the primary server and streaming WAL to disk, while walsender runs in the primary server and streams WAL from disk to the client. Documentation still needs work, but the basics are there. We will probably pull the replication section to a new chapter later on, as well as the sections describing file-based replication. But let's do that as a separate patch, so that it's easier to see what has been added/changed. This patch also adds a new section to the chapter about FE/BE protocol, documenting the protocol used by walsender/walreceivxer. Bump catalog version because of two new functions, pg_last_xlog_receive_location() and pg_last_xlog_replay_location(), for monitoring the progress of replication. Fujii Masao, with additional hacking by me
16 years ago
WalReceiverProcess,
Simplify the bootstrap (BKI) code by getting rid of a useless table of all the strings seen during the bootstrap run. There might have been some actual point to doing that, many years ago, but as far as I can see the only value now is to conserve a bit of memory. Even if we cared about wasting a megabyte or so during the initdb run, it'd be far more effective to arrange to release memory at the end of each BKI command, instead of intentionally hanging onto strings that might never be used again. Not maintaining the table probably makes it faster too; but the main point of this patch is to get rid of a couple hundred lines of unnecessary and rather crufty code.
16 years ago
NUM_AUXPROCTYPES /* Must be last! */
} AuxProcType;
Make bootstrap debug messages more readable. Clean up some clutter.
25 years ago
/*
* MAXATTR is the maximum number of attributes in a relation supported
* at bootstrap time (i.e., the max possible in a system table).
Cleanup of code for creating index entries. Functional indexes with pass-by-ref data types --- eg, an index on lower(textfield) --- no longer leak memory during index creation or update. Clean up a lot of redundant code ... did you know that copy, vacuum, truncate, reindex, extend index, and bootstrap each basically duplicated the main executor's logic for extracting information about an index and preparing index entries? Functional indexes should be a little faster now too, due to removal of repeated function lookups. CREATE INDEX 'opt_type' clause is deimplemented by these changes, but I haven't removed it from the parser yet (need to merge with Thomas' latest change set first).
26 years ago
*/
#define MAXATTR 40
Postgres95 1.01 Distribution - Virgin Sources
30 years ago
Support toasting of shared system relations, and provide toast tables for pg_database, pg_shadow, pg_group, all of which now have potentially-long fields. Along the way, get rid of SharedSystemRelationNames list: shared rels are now identified in their include/pg_catalog/*.h files by a BKI_SHARED_RELATION macro, while indexes and toast rels inherit sharedness automatically from their parent table. Fix some bugs with failure to detoast pg_group.grolist during ALTER GROUP.
24 years ago
extern Relation boot_reldesc;
Renaming cleanup, no pgindent yet.
27 years ago
extern Form_pg_attribute attrtypes[MAXATTR];
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
28 years ago
extern int numattr;
Get rid of IndexIsUniqueNoCache() kluge by the simple expedient of passing the index-is-unique flag to index build routines (duh! ... why wasn't it done this way to begin with?). Aside from eliminating an eyesore, this should save a few milliseconds in btree index creation because a full scan of pg_index is not needed any more.
26 years ago
Simplify the bootstrap (BKI) code by getting rid of a useless table of all the strings seen during the bootstrap run. There might have been some actual point to doing that, many years ago, but as far as I can see the only value now is to conserve a bit of memory. Even if we cared about wasting a megabyte or so during the initdb run, it'd be far more effective to arrange to release memory at the end of each BKI command, instead of intentionally hanging onto strings that might never be used again. Not maintaining the table probably makes it faster too; but the main point of this patch is to get rid of a couple hundred lines of unnecessary and rather crufty code.
16 years ago
extern void AuxiliaryProcessMain(int argc, char *argv[]);
Massive commit to run PGINDENT on all *.c and *.h files.
28 years ago
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
28 years ago
extern void err_out(void);
Simplify the bootstrap (BKI) code by getting rid of a useless table of all the strings seen during the bootstrap run. There might have been some actual point to doing that, many years ago, but as far as I can see the only value now is to conserve a bit of memory. Even if we cared about wasting a megabyte or so during the initdb run, it'd be far more effective to arrange to release memory at the end of each BKI command, instead of intentionally hanging onto strings that might never be used again. Not maintaining the table probably makes it faster too; but the main point of this patch is to get rid of a couple hundred lines of unnecessary and rather crufty code.
16 years ago
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
28 years ago
extern void closerel(char *name);
extern void boot_openrel(char *name);
extern void DefineAttr(char *name, char *type, int attnum);
Simplify the bootstrap (BKI) code by getting rid of a useless table of all the strings seen during the bootstrap run. There might have been some actual point to doing that, many years ago, but as far as I can see the only value now is to conserve a bit of memory. Even if we cared about wasting a megabyte or so during the initdb run, it'd be far more effective to arrange to release memory at the end of each BKI command, instead of intentionally hanging onto strings that might never be used again. Not maintaining the table probably makes it faster too; but the main point of this patch is to get rid of a couple hundred lines of unnecessary and rather crufty code.
16 years ago
extern void InsertOneTuple(Oid objectid);
Make OIDs optional, per discussions in pghackers. WITH OIDS is still the default, but OIDS are removed from many system catalogs that don't need them. Some interesting side effects: TOAST pointers are 20 bytes not 32 now; pg_description has a three-column key instead of one. Bugs fixed in passing: BINARY cursors work again; pg_class.relhaspkey has some usefulness; pg_dump dumps comments on indexes, rules, and triggers in a valid order. initdb forced.
24 years ago
extern void InsertOneValue(char *value, int i);
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
28 years ago
extern void InsertOneNull(int i);
Simplify the bootstrap (BKI) code by getting rid of a useless table of all the strings seen during the bootstrap run. There might have been some actual point to doing that, many years ago, but as far as I can see the only value now is to conserve a bit of memory. Even if we cared about wasting a megabyte or so during the initdb run, it'd be far more effective to arrange to release memory at the end of each BKI command, instead of intentionally hanging onto strings that might never be used again. Not maintaining the table probably makes it faster too; but the main point of this patch is to get rid of a couple hundred lines of unnecessary and rather crufty code.
16 years ago
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
28 years ago
extern char *MapArrayTypeName(char *s);
Simplify the bootstrap (BKI) code by getting rid of a useless table of all the strings seen during the bootstrap run. There might have been some actual point to doing that, many years ago, but as far as I can see the only value now is to conserve a bit of memory. Even if we cared about wasting a megabyte or so during the initdb run, it'd be far more effective to arrange to release memory at the end of each BKI command, instead of intentionally hanging onto strings that might never be used again. Not maintaining the table probably makes it faster too; but the main point of this patch is to get rid of a couple hundred lines of unnecessary and rather crufty code.
16 years ago
extern void index_register(Oid heap, Oid ind, IndexInfo *indexInfo);
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
28 years ago
extern void build_indices(void);
Massive commit to run PGINDENT on all *.c and *.h files.
28 years ago
Add a hack so that get_type_io_data() can work from bootstrap.c's internal TypInfo table in bootstrap mode. This allows array_in and array_out to be used during early bootstrap, which eliminates the former obstacle to giving OUT parameters to built-in functions.
19 years ago
extern void boot_get_type_io_data(Oid typid,
pgindent run for 8.2.
19 years ago
int16 *typlen,
bool *typbyval,
char *typalign,
char *typdelim,
Oid *typioparam,
Oid *typinput,
Oid *typoutput);
Add a hack so that get_type_io_data() can work from bootstrap.c's internal TypInfo table in bootstrap mode. This allows array_in and array_out to be used during early bootstrap, which eliminates the former obstacle to giving OUT parameters to built-in functions.
19 years ago
Make all our flex and bison files use %option prefix or %name-prefix (respectively) to rename yylex and related symbols. Some were doing it this way already, while others used not-too-reliable sed hacks in the Makefiles. It's all nice and consistent now.
20 years ago
extern int boot_yyparse(void);
extern int boot_yylex(void);
extern void boot_yyerror(const char *str);
Clean up longstanding gcc warnings by adding missing extern declarations.
26 years ago
New pgindent run with fixes suggested by Tom. Patch manually reviewed, initdb/regression tests pass.
24 years ago
#endif /* BOOTSTRAP_H */