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
parent
8cdb85b512
commit
3ccb97b2e4
2 changed files with 81 additions and 37 deletions
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@ -1,5 +1,5 @@
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<!--
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$PostgreSQL: pgsql/doc/src/sgml/ref/vacuumdb.sgml,v 1.45 2009/11/27 17:41:26 momjian Exp $
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$PostgreSQL: pgsql/doc/src/sgml/ref/vacuumdb.sgml,v 1.46 2010/01/06 02:59:44 momjian Exp $
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PostgreSQL documentation
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-->
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@ -24,9 +24,10 @@ PostgreSQL documentation
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<command>vacuumdb</command>
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<arg rep="repeat"><replaceable>connection-option</replaceable></arg>
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<group><arg>--full</arg><arg>-f</arg></group>
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<group><arg>--freeze</arg><arg>-F</arg></group>
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<group><arg>--verbose</arg><arg>-v</arg></group>
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<group><arg>--analyze</arg><arg>-z</arg></group>
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<group><arg>--freeze</arg><arg>-F</arg></group>
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<group><arg>--only-analyze</arg><arg>-o</arg></group>
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<arg>--table | -t <replaceable>table</replaceable>
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<arg>( <replaceable class="parameter">column</replaceable> [,...] )</arg>
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</arg>
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@ -36,9 +37,10 @@ PostgreSQL documentation
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<arg rep="repeat"><replaceable>connection-options</replaceable></arg>
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<group><arg>--all</arg><arg>-a</arg></group>
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<group><arg>--full</arg><arg>-f</arg></group>
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<group><arg>--freeze</arg><arg>-F</arg></group>
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<group><arg>--verbose</arg><arg>-v</arg></group>
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<group><arg>--analyze</arg><arg>-z</arg></group>
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<group><arg>--freeze</arg><arg>-F</arg></group>
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<group><arg>--only-analyze</arg><arg>-o</arg></group>
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</cmdsynopsis>
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</refsynopsisdiv>
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@ -56,8 +58,9 @@ PostgreSQL documentation
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<para>
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<application>vacuumdb</application> is a wrapper around the SQL
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command <xref linkend="SQL-VACUUM" endterm="SQL-VACUUM-title">.
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There is no effective difference between vacuuming databases via
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this utility and via other methods for accessing the server.
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There is no effective difference between vacuuming and analyzing
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databases via this utility and via other methods for accessing the
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server.
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</para>
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</refsect1>
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@ -116,6 +119,26 @@ PostgreSQL documentation
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-F</option></term>
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<term><option>--freeze</option></term>
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<listitem>
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<para>
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Aggressively <quote>freeze</quote> tuples.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-o</option></term>
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<term><option>--only-analyze</option></term>
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<listitem>
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<para>
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Only calculate statistics for use by the optimizer (no vacuum).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-q</></term>
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<term><option>--quiet</></term>
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@ -133,7 +156,7 @@ PostgreSQL documentation
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<para>
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Clean or analyze <replaceable class="parameter">table</replaceable> only.
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Column names can be specified only in conjunction with
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the <option>--analyze</option> option.
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the <option>--analyze</option> or <option>--only-analyze</option> options.
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</para>
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<tip>
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<para>
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@ -164,15 +187,6 @@ PostgreSQL documentation
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-F</option></term>
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<term><option>--freeze</option></term>
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<listitem>
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<para>
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Aggressively <quote>freeze</quote> tuples.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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@ -5,7 +5,7 @@
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* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/bin/scripts/vacuumdb.c,v 1.28 2010/01/02 16:58:00 momjian Exp $
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* $PostgreSQL: pgsql/src/bin/scripts/vacuumdb.c,v 1.29 2010/01/06 02:59:46 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -14,12 +14,13 @@
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#include "common.h"
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static void vacuum_one_database(const char *dbname, bool full, bool verbose, bool analyze,
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bool freeze, const char *table,
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const char *host, const char *port,
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static void vacuum_one_database(const char *dbname, bool full, bool verbose,
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bool and_analyze, bool only_analyze, bool freeze,
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const char *table, const char *host, const char *port,
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const char *username, enum trivalue prompt_password,
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const char *progname, bool echo);
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static void vacuum_all_databases(bool full, bool verbose, bool analyze, bool freeze,
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static void vacuum_all_databases(bool full, bool verbose, bool and_analyze,
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bool only_analyze, bool freeze,
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const char *host, const char *port,
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const char *username, enum trivalue prompt_password,
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const char *progname, bool echo, bool quiet);
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@ -40,6 +41,7 @@ main(int argc, char *argv[])
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{"quiet", no_argument, NULL, 'q'},
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{"dbname", required_argument, NULL, 'd'},
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{"analyze", no_argument, NULL, 'z'},
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{"only-analyze", no_argument, NULL, 'o'},
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{"freeze", no_argument, NULL, 'F'},
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{"all", no_argument, NULL, 'a'},
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{"table", required_argument, NULL, 't'},
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@ -59,7 +61,8 @@ main(int argc, char *argv[])
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enum trivalue prompt_password = TRI_DEFAULT;
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bool echo = false;
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bool quiet = false;
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bool analyze = false;
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bool and_analyze = false;
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bool only_analyze = false;
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bool freeze = false;
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bool alldb = false;
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char *table = NULL;
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@ -100,7 +103,10 @@ main(int argc, char *argv[])
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dbname = optarg;
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break;
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case 'z':
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analyze = true;
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and_analyze = true;
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break;
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case 'o':
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only_analyze = true;
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break;
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case 'F':
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freeze = true;
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@ -139,6 +145,23 @@ main(int argc, char *argv[])
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setup_cancel_handler();
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if (only_analyze)
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{
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if (full)
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{
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fprintf(stderr, _("%s: cannot use the \"full\" option when performing only analyze\n"),
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progname);
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exit(1);
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}
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if (freeze)
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{
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fprintf(stderr, _("%s: cannot use the \"freeze\" option when performing only analyze\n"),
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progname);
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exit(1);
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}
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/* ignore 'and_analyze' */
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}
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if (alldb)
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{
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if (dbname)
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@ -154,7 +177,7 @@ main(int argc, char *argv[])
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exit(1);
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}
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vacuum_all_databases(full, verbose, analyze, freeze,
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vacuum_all_databases(full, verbose, and_analyze, only_analyze, freeze,
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host, port, username, prompt_password,
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progname, echo, quiet);
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}
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@ -170,7 +193,8 @@ main(int argc, char *argv[])
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dbname = get_user_name(progname);
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}
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vacuum_one_database(dbname, full, verbose, analyze, freeze, table,
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vacuum_one_database(dbname, full, verbose, and_analyze, only_analyze,
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freeze, table,
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host, port, username, prompt_password,
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progname, echo);
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}
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@ -180,8 +204,8 @@ main(int argc, char *argv[])
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static void
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vacuum_one_database(const char *dbname, bool full, bool verbose, bool analyze,
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bool freeze, const char *table,
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vacuum_one_database(const char *dbname, bool full, bool verbose, bool and_analyze,
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bool only_analyze, bool freeze, const char *table,
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const char *host, const char *port,
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const char *username, enum trivalue prompt_password,
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const char *progname, bool echo)
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@ -192,15 +216,20 @@ vacuum_one_database(const char *dbname, bool full, bool verbose, bool analyze,
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initPQExpBuffer(&sql);
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appendPQExpBuffer(&sql, "VACUUM");
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if (full)
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appendPQExpBuffer(&sql, " FULL");
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if (freeze)
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appendPQExpBuffer(&sql, " FREEZE");
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if (only_analyze)
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appendPQExpBuffer(&sql, "ANALYZE");
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else
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{
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appendPQExpBuffer(&sql, "VACUUM");
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if (full)
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appendPQExpBuffer(&sql, " FULL");
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if (freeze)
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appendPQExpBuffer(&sql, " FREEZE");
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if (and_analyze)
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appendPQExpBuffer(&sql, " ANALYZE");
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}
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if (verbose)
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appendPQExpBuffer(&sql, " VERBOSE");
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if (analyze)
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appendPQExpBuffer(&sql, " ANALYZE");
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if (table)
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appendPQExpBuffer(&sql, " %s", table);
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appendPQExpBuffer(&sql, ";\n");
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@ -223,8 +252,8 @@ vacuum_one_database(const char *dbname, bool full, bool verbose, bool analyze,
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static void
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vacuum_all_databases(bool full, bool verbose, bool analyze, bool freeze,
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const char *host, const char *port,
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vacuum_all_databases(bool full, bool verbose, bool and_analyze, bool only_analyze,
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bool freeze, const char *host, const char *port,
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const char *username, enum trivalue prompt_password,
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const char *progname, bool echo, bool quiet)
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{
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@ -246,8 +275,8 @@ vacuum_all_databases(bool full, bool verbose, bool analyze, bool freeze,
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fflush(stdout);
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}
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vacuum_one_database(dbname, full, verbose, analyze, freeze, NULL,
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host, port, username, prompt_password,
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vacuum_one_database(dbname, full, verbose, and_analyze, only_analyze,
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freeze, NULL, host, port, username, prompt_password,
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progname, echo);
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}
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@ -267,6 +296,7 @@ help(const char *progname)
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printf(_(" -e, --echo show the commands being sent to the server\n"));
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printf(_(" -f, --full do full vacuuming\n"));
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printf(_(" -F, --freeze freeze row transaction information\n"));
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printf(_(" -o, --only-analyze only update optimizer hints\n"));
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printf(_(" -q, --quiet don't write any messages\n"));
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printf(_(" -t, --table='TABLE[(COLUMNS)]' vacuum specific table only\n"));
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printf(_(" -v, --verbose write a lot of output\n"));
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