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pg_dump --only-analyze

Implement pg_dump --only-analyze for use by pg_migrator to only analyze
all databases.
This commit is contained in:
Bruce Momjian
2010-01-06 02:59:46 +00:00
parent 8cdb85b512
commit 3ccb97b2e4
2 changed files with 81 additions and 37 deletions

View File

@ -5,7 +5,7 @@
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/bin/scripts/vacuumdb.c,v 1.28 2010/01/02 16:58:00 momjian Exp $
* $PostgreSQL: pgsql/src/bin/scripts/vacuumdb.c,v 1.29 2010/01/06 02:59:46 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -14,12 +14,13 @@
#include "common.h"
static void vacuum_one_database(const char *dbname, bool full, bool verbose, bool analyze,
bool freeze, const char *table,
const char *host, const char *port,
static void vacuum_one_database(const char *dbname, bool full, bool verbose,
bool and_analyze, bool only_analyze, bool freeze,
const char *table, const char *host, const char *port,
const char *username, enum trivalue prompt_password,
const char *progname, bool echo);
static void vacuum_all_databases(bool full, bool verbose, bool analyze, bool freeze,
static void vacuum_all_databases(bool full, bool verbose, bool and_analyze,
bool only_analyze, bool freeze,
const char *host, const char *port,
const char *username, enum trivalue prompt_password,
const char *progname, bool echo, bool quiet);
@ -40,6 +41,7 @@ main(int argc, char *argv[])
{"quiet", no_argument, NULL, 'q'},
{"dbname", required_argument, NULL, 'd'},
{"analyze", no_argument, NULL, 'z'},
{"only-analyze", no_argument, NULL, 'o'},
{"freeze", no_argument, NULL, 'F'},
{"all", no_argument, NULL, 'a'},
{"table", required_argument, NULL, 't'},
@ -59,7 +61,8 @@ main(int argc, char *argv[])
enum trivalue prompt_password = TRI_DEFAULT;
bool echo = false;
bool quiet = false;
bool analyze = false;
bool and_analyze = false;
bool only_analyze = false;
bool freeze = false;
bool alldb = false;
char *table = NULL;
@ -100,7 +103,10 @@ main(int argc, char *argv[])
dbname = optarg;
break;
case 'z':
analyze = true;
and_analyze = true;
break;
case 'o':
only_analyze = true;
break;
case 'F':
freeze = true;
@ -139,6 +145,23 @@ main(int argc, char *argv[])
setup_cancel_handler();
if (only_analyze)
{
if (full)
{
fprintf(stderr, _("%s: cannot use the \"full\" option when performing only analyze\n"),
progname);
exit(1);
}
if (freeze)
{
fprintf(stderr, _("%s: cannot use the \"freeze\" option when performing only analyze\n"),
progname);
exit(1);
}
/* ignore 'and_analyze' */
}
if (alldb)
{
if (dbname)
@ -154,7 +177,7 @@ main(int argc, char *argv[])
exit(1);
}
vacuum_all_databases(full, verbose, analyze, freeze,
vacuum_all_databases(full, verbose, and_analyze, only_analyze, freeze,
host, port, username, prompt_password,
progname, echo, quiet);
}
@ -170,7 +193,8 @@ main(int argc, char *argv[])
dbname = get_user_name(progname);
}
vacuum_one_database(dbname, full, verbose, analyze, freeze, table,
vacuum_one_database(dbname, full, verbose, and_analyze, only_analyze,
freeze, table,
host, port, username, prompt_password,
progname, echo);
}
@ -180,8 +204,8 @@ main(int argc, char *argv[])
static void
vacuum_one_database(const char *dbname, bool full, bool verbose, bool analyze,
bool freeze, const char *table,
vacuum_one_database(const char *dbname, bool full, bool verbose, bool and_analyze,
bool only_analyze, bool freeze, const char *table,
const char *host, const char *port,
const char *username, enum trivalue prompt_password,
const char *progname, bool echo)
@ -192,15 +216,20 @@ vacuum_one_database(const char *dbname, bool full, bool verbose, bool analyze,
initPQExpBuffer(&sql);
appendPQExpBuffer(&sql, "VACUUM");
if (full)
appendPQExpBuffer(&sql, " FULL");
if (freeze)
appendPQExpBuffer(&sql, " FREEZE");
if (only_analyze)
appendPQExpBuffer(&sql, "ANALYZE");
else
{
appendPQExpBuffer(&sql, "VACUUM");
if (full)
appendPQExpBuffer(&sql, " FULL");
if (freeze)
appendPQExpBuffer(&sql, " FREEZE");
if (and_analyze)
appendPQExpBuffer(&sql, " ANALYZE");
}
if (verbose)
appendPQExpBuffer(&sql, " VERBOSE");
if (analyze)
appendPQExpBuffer(&sql, " ANALYZE");
if (table)
appendPQExpBuffer(&sql, " %s", table);
appendPQExpBuffer(&sql, ";\n");
@ -223,8 +252,8 @@ vacuum_one_database(const char *dbname, bool full, bool verbose, bool analyze,
static void
vacuum_all_databases(bool full, bool verbose, bool analyze, bool freeze,
const char *host, const char *port,
vacuum_all_databases(bool full, bool verbose, bool and_analyze, bool only_analyze,
bool freeze, const char *host, const char *port,
const char *username, enum trivalue prompt_password,
const char *progname, bool echo, bool quiet)
{
@ -246,8 +275,8 @@ vacuum_all_databases(bool full, bool verbose, bool analyze, bool freeze,
fflush(stdout);
}
vacuum_one_database(dbname, full, verbose, analyze, freeze, NULL,
host, port, username, prompt_password,
vacuum_one_database(dbname, full, verbose, and_analyze, only_analyze,
freeze, NULL, host, port, username, prompt_password,
progname, echo);
}
@ -267,6 +296,7 @@ help(const char *progname)
printf(_(" -e, --echo show the commands being sent to the server\n"));
printf(_(" -f, --full do full vacuuming\n"));
printf(_(" -F, --freeze freeze row transaction information\n"));
printf(_(" -o, --only-analyze only update optimizer hints\n"));
printf(_(" -q, --quiet don't write any messages\n"));
printf(_(" -t, --table='TABLE[(COLUMNS)]' vacuum specific table only\n"));
printf(_(" -v, --verbose write a lot of output\n"));