<?php
+/**
+ * @ingroup Database
+ * @file
+ */
/**
* This is the Postgres database abstraction layer.
* than MySQL ones, some of them should be moved to parent
* Database class.
*
- * @addtogroup Database
+ * @ingroup Database
*/
class PostgresField {
private $name, $tablename, $type, $nullable, $max_length;
global $wgDBmwschema;
$q = <<<END
-SELECT
+SELECT
CASE WHEN typname = 'int2' THEN 'smallint'
WHEN typname = 'int4' THEN 'integer'
WHEN typname = 'int8' THEN 'bigint'
}
/**
- * @addtogroup Database
+ * @ingroup Database
*/
class DatabasePostgres extends Database {
var $mInsertId = NULL;
}
function hasConstraint( $name ) {
- $SQL = "SELECT 1 FROM pg_catalog.pg_constraint WHERE conname = '" . pg_escape_string( $name ) . "'";
+ global $wgDBmwschema;
+ $SQL = "SELECT 1 FROM pg_catalog.pg_constraint c, pg_catalog.pg_namespace n WHERE c.connamespace = n.oid AND conname = '" . pg_escape_string( $name ) . "' AND n.nspname = '" . pg_escape_string($wgDBmwschema) ."'";
return $this->numRows($res = $this->doQuery($SQL));
}
$this->close();
$this->mServer = $server;
- $port = $wgDBport;
+ $this->mPort = $port = $wgDBport;
$this->mUser = $user;
$this->mPassword = $password;
$this->mDBname = $dbName;
$hstring .= "port=$port ";
}
-
error_reporting( E_ALL );
@$this->mConn = pg_connect("$hstring dbname=$dbName user=$user password=$password");
}
$this->mOpened = true;
- ## If this is the initial connection, setup the schema stuff and possibly create the user
- ## TODO: Move this out of open()
- if (defined('MEDIAWIKI_INSTALL')) {
- global $wgDBname, $wgDBuser, $wgDBpassword, $wgDBsuperuser, $wgDBmwschema,
- $wgDBts2schema;
-
- print "<li>Checking the version of Postgres...";
- $version = $this->getServerVersion();
- $PGMINVER = "8.1";
- if ($this->numeric_version < $PGMINVER) {
- print "<b>FAILED</b>. Required version is $PGMINVER. You have $this->numeric_version ($version)</li>\n";
- dieout("</ul>");
+
+ global $wgCommandLineMode;
+ ## If called from the command-line (e.g. importDump), only show errors
+ if ($wgCommandLineMode) {
+ $this->doQuery("SET client_min_messages = 'ERROR'");
+ }
+
+ global $wgDBmwschema, $wgDBts2schema;
+ if (isset( $wgDBmwschema ) && isset( $wgDBts2schema )
+ && $wgDBmwschema !== 'mediawiki'
+ && preg_match( '/^\w+$/', $wgDBmwschema )
+ && preg_match( '/^\w+$/', $wgDBts2schema )
+ ) {
+ $safeschema = $this->quote_ident($wgDBmwschema);
+ $safeschema2 = $this->quote_ident($wgDBts2schema);
+ $this->doQuery("SET search_path = $safeschema, $wgDBts2schema, public");
+ }
+
+ return $this->mConn;
+ }
+
+
+ function initial_setup($password, $dbName) {
+ // If this is the initial connection, setup the schema stuff and possibly create the user
+ global $wgDBname, $wgDBuser, $wgDBpassword, $wgDBsuperuser, $wgDBmwschema, $wgDBts2schema;
+
+ print "<li>Checking the version of Postgres...";
+ $version = $this->getServerVersion();
+ $PGMINVER = '8.1';
+ if ($this->numeric_version < $PGMINVER) {
+ print "<b>FAILED</b>. Required version is $PGMINVER. You have $this->numeric_version ($version)</li>\n";
+ dieout("</ul>");
+ }
+ print "version $this->numeric_version is OK.</li>\n";
+
+ $safeuser = $this->quote_ident($wgDBuser);
+ // Are we connecting as a superuser for the first time?
+ if ($wgDBsuperuser) {
+ // Are we really a superuser? Check out our rights
+ $SQL = "SELECT
+ CASE WHEN usesuper IS TRUE THEN
+ CASE WHEN usecreatedb IS TRUE THEN 3 ELSE 1 END
+ ELSE CASE WHEN usecreatedb IS TRUE THEN 2 ELSE 0 END
+ END AS rights
+ FROM pg_catalog.pg_user WHERE usename = " . $this->addQuotes($wgDBsuperuser);
+ $rows = $this->numRows($res = $this->doQuery($SQL));
+ if (!$rows) {
+ print "<li>ERROR: Could not read permissions for user \"$wgDBsuperuser\"</li>\n";
+ dieout('</ul>');
}
- print "version $this->numeric_version is OK.</li>\n";
-
- $safeuser = $this->quote_ident($wgDBuser);
- ## Are we connecting as a superuser for the first time?
- if ($wgDBsuperuser) {
- ## Are we really a superuser? Check out our rights
- $SQL = "SELECT
- CASE WHEN usesuper IS TRUE THEN
- CASE WHEN usecreatedb IS TRUE THEN 3 ELSE 1 END
- ELSE CASE WHEN usecreatedb IS TRUE THEN 2 ELSE 0 END
- END AS rights
- FROM pg_catalog.pg_user WHERE usename = " . $this->addQuotes($wgDBsuperuser);
- $rows = $this->numRows($res = $this->doQuery($SQL));
- if (!$rows) {
- print "<li>ERROR: Could not read permissions for user \"$wgDBsuperuser\"</li>\n";
+ $perms = pg_fetch_result($res, 0, 0);
+
+ $SQL = "SELECT 1 FROM pg_catalog.pg_user WHERE usename = " . $this->addQuotes($wgDBuser);
+ $rows = $this->numRows($this->doQuery($SQL));
+ if ($rows) {
+ print "<li>User \"$wgDBuser\" already exists, skipping account creation.</li>";
+ }
+ else {
+ if ($perms != 1 and $perms != 3) {
+ print "<li>ERROR: the user \"$wgDBsuperuser\" cannot create other users. ";
+ print 'Please use a different Postgres user.</li>';
dieout('</ul>');
}
- $perms = pg_fetch_result($res, 0, 0);
-
- $SQL = "SELECT 1 FROM pg_catalog.pg_user WHERE usename = " . $this->addQuotes($wgDBuser);
+ print "<li>Creating user <b>$wgDBuser</b>...";
+ $safepass = $this->addQuotes($wgDBpassword);
+ $SQL = "CREATE USER $safeuser NOCREATEDB PASSWORD $safepass";
+ $this->doQuery($SQL);
+ print "OK</li>\n";
+ }
+ // User now exists, check out the database
+ if ($dbName != $wgDBname) {
+ $SQL = "SELECT 1 FROM pg_catalog.pg_database WHERE datname = " . $this->addQuotes($wgDBname);
$rows = $this->numRows($this->doQuery($SQL));
if ($rows) {
- print "<li>User \"$wgDBuser\" already exists, skipping account creation.</li>";
+ print "<li>Database \"$wgDBname\" already exists, skipping database creation.</li>";
}
else {
- if ($perms != 1 and $perms != 3) {
- print "<li>ERROR: the user \"$wgDBsuperuser\" cannot create other users. ";
+ if ($perms < 2) {
+ print "<li>ERROR: the user \"$wgDBsuperuser\" cannot create databases. ";
print 'Please use a different Postgres user.</li>';
dieout('</ul>');
}
- print "<li>Creating user <b>$wgDBuser</b>...";
- $safepass = $this->addQuotes($wgDBpassword);
- $SQL = "CREATE USER $safeuser NOCREATEDB PASSWORD $safepass";
+ print "<li>Creating database <b>$wgDBname</b>...";
+ $safename = $this->quote_ident($wgDBname);
+ $SQL = "CREATE DATABASE $safename OWNER $safeuser ";
$this->doQuery($SQL);
print "OK</li>\n";
+ // Hopefully tsearch2 and plpgsql are in template1...
}
- ## User now exists, check out the database
- if ($dbName != $wgDBname) {
- $SQL = "SELECT 1 FROM pg_catalog.pg_database WHERE datname = " . $this->addQuotes($wgDBname);
- $rows = $this->numRows($this->doQuery($SQL));
- if ($rows) {
- print "<li>Database \"$wgDBname\" already exists, skipping database creation.</li>";
- }
- else {
- if ($perms < 2) {
- print "<li>ERROR: the user \"$wgDBsuperuser\" cannot create databases. ";
- print 'Please use a different Postgres user.</li>';
- dieout('</ul>');
- }
- print "<li>Creating database <b>$wgDBname</b>...";
- $safename = $this->quote_ident($wgDBname);
- $SQL = "CREATE DATABASE $safename OWNER $safeuser ";
- $this->doQuery($SQL);
- print "OK</li>\n";
- ## Hopefully tsearch2 and plpgsql are in template1...
- }
- ## Reconnect to check out tsearch2 rights for this user
- print "<li>Connecting to \"$wgDBname\" as superuser \"$wgDBsuperuser\" to check rights...";
- @$this->mConn = pg_connect("$hstring dbname=$wgDBname user=$user password=$password");
- if ( $this->mConn == false ) {
- print "<b>FAILED TO CONNECT!</b></li>";
- dieout("</ul>");
- }
- print "OK</li>\n";
+ // Reconnect to check out tsearch2 rights for this user
+ print "<li>Connecting to \"$wgDBname\" as superuser \"$wgDBsuperuser\" to check rights...";
+
+ $hstring="";
+ if ($this->mServer!=false && $this->mServer!="") {
+ $hstring="host=$this->mServer ";
+ }
+ if ($this->mPort!=false && $this->mPort!="") {
+ $hstring .= "port=$this->mPort ";
+ }
+
+ @$this->mConn = pg_connect("$hstring dbname=$wgDBname user=$wgDBsuperuser password=$password");
+ if ( $this->mConn == false ) {
+ print "<b>FAILED TO CONNECT!</b></li>";
+ dieout("</ul>");
}
+ print "OK</li>\n";
+ }
- ## Tsearch2 checks
+ if ($this->numeric_version < 8.3) {
+ // Tsearch2 checks
print "<li>Checking that tsearch2 is installed in the database \"$wgDBname\"...";
if (! $this->tableExists("pg_ts_cfg", $wgDBts2schema)) {
print "<b>FAILED</b>. tsearch2 must be installed in the database \"$wgDBname\".";
print "Please see <a href='http://www.devx.com/opensource/Article/21674/0/page/2'>this article</a>";
print " for instructions or ask on #postgresql on irc.freenode.net</li>\n";
dieout("</ul>");
- }
+ }
print "OK</li>\n";
print "<li>Ensuring that user \"$wgDBuser\" has select rights on the tsearch2 tables...";
foreach (array('cfg','cfgmap','dict','parser') as $table) {
$this->doQuery($SQL);
}
print "OK</li>\n";
+ }
-
- ## Setup the schema for this user if needed
- $result = $this->schemaExists($wgDBmwschema);
- $safeschema = $this->quote_ident($wgDBmwschema);
+ // Setup the schema for this user if needed
+ $result = $this->schemaExists($wgDBmwschema);
+ $safeschema = $this->quote_ident($wgDBmwschema);
+ if (!$result) {
+ print "<li>Creating schema <b>$wgDBmwschema</b> ...";
+ $result = $this->doQuery("CREATE SCHEMA $safeschema AUTHORIZATION $safeuser");
if (!$result) {
- print "<li>Creating schema <b>$wgDBmwschema</b> ...";
- $result = $this->doQuery("CREATE SCHEMA $safeschema AUTHORIZATION $safeuser");
- if (!$result) {
- print "<b>FAILED</b>.</li>\n";
- dieout("</ul>");
- }
- print "OK</li>\n";
+ print "<b>FAILED</b>.</li>\n";
+ dieout("</ul>");
}
- else {
- print "<li>Schema already exists, explicitly granting rights...\n";
- $safeschema2 = $this->addQuotes($wgDBmwschema);
- $SQL = "SELECT 'GRANT ALL ON '||pg_catalog.quote_ident(relname)||' TO $safeuser;'\n".
- "FROM pg_catalog.pg_class p, pg_catalog.pg_namespace n\n".
- "WHERE relnamespace = n.oid AND n.nspname = $safeschema2\n".
- "AND p.relkind IN ('r','S','v')\n";
- $SQL .= "UNION\n";
- $SQL .= "SELECT 'GRANT ALL ON FUNCTION '||pg_catalog.quote_ident(proname)||'('||\n".
- "pg_catalog.oidvectortypes(p.proargtypes)||') TO $safeuser;'\n".
- "FROM pg_catalog.pg_proc p, pg_catalog.pg_namespace n\n".
- "WHERE p.pronamespace = n.oid AND n.nspname = $safeschema2";
- $res = $this->doQuery($SQL);
- if (!$res) {
- print "<b>FAILED</b>. Could not set rights for the user.</li>\n";
- dieout("</ul>");
- }
- $this->doQuery("SET search_path = $safeschema");
- $rows = $this->numRows($res);
- while ($rows) {
- $rows--;
- $this->doQuery(pg_fetch_result($res, $rows, 0));
- }
- print "OK</li>";
+ print "OK</li>\n";
+ }
+ else {
+ print "<li>Schema already exists, explicitly granting rights...\n";
+ $safeschema2 = $this->addQuotes($wgDBmwschema);
+ $SQL = "SELECT 'GRANT ALL ON '||pg_catalog.quote_ident(relname)||' TO $safeuser;'\n".
+ "FROM pg_catalog.pg_class p, pg_catalog.pg_namespace n\n".
+ "WHERE relnamespace = n.oid AND n.nspname = $safeschema2\n".
+ "AND p.relkind IN ('r','S','v')\n";
+ $SQL .= "UNION\n";
+ $SQL .= "SELECT 'GRANT ALL ON FUNCTION '||pg_catalog.quote_ident(proname)||'('||\n".
+ "pg_catalog.oidvectortypes(p.proargtypes)||') TO $safeuser;'\n".
+ "FROM pg_catalog.pg_proc p, pg_catalog.pg_namespace n\n".
+ "WHERE p.pronamespace = n.oid AND n.nspname = $safeschema2";
+ $res = $this->doQuery($SQL);
+ if (!$res) {
+ print "<b>FAILED</b>. Could not set rights for the user.</li>\n";
+ dieout("</ul>");
+ }
+ $this->doQuery("SET search_path = $safeschema");
+ $rows = $this->numRows($res);
+ while ($rows) {
+ $rows--;
+ $this->doQuery(pg_fetch_result($res, $rows, 0));
}
+ print "OK</li>";
+ }
- $wgDBsuperuser = '';
- return true; ## Reconnect as regular user
+ // Install plpgsql if needed
+ $this->setup_plpgsql();
- } ## end superuser
+ $wgDBsuperuser = '';
+ return true; // Reconnect as regular user
- if (!defined('POSTGRES_SEARCHPATH')) {
+ } // end superuser
- ## Do we have the basic tsearch2 table?
- print "<li>Checking for tsearch2 in the schema \"$wgDBts2schema\"...";
- if (! $this->tableExists("pg_ts_dict", $wgDBts2schema)) {
- print "<b>FAILED</b>. Make sure tsearch2 is installed. See <a href=";
- print "'http://www.devx.com/opensource/Article/21674/0/page/2'>this article</a>";
- print " for instructions.</li>\n";
- dieout("</ul>");
- }
- print "OK</li>\n";
+ if (!defined('POSTGRES_SEARCHPATH')) {
- ## Does this user have the rights to the tsearch2 tables?
- $ctype = pg_fetch_result($this->doQuery("SHOW lc_ctype"),0,0);
- print "<li>Checking tsearch2 permissions...";
- ## Let's check all four, just to be safe
- error_reporting( 0 );
- $ts2tables = array('cfg','cfgmap','dict','parser');
- foreach ( $ts2tables AS $tname ) {
- $SQL = "SELECT count(*) FROM $wgDBts2schema.pg_ts_$tname";
- $res = $this->doQuery($SQL);
- if (!$res) {
- print "<b>FAILED</b> to access pg_ts_$tname. Make sure that the user ".
- "\"$wgDBuser\" has SELECT access to all four tsearch2 tables</li>\n";
+ if ($this->numeric_version < 8.3) {
+ // Do we have the basic tsearch2 table?
+ print "<li>Checking for tsearch2 in the schema \"$wgDBts2schema\"...";
+ if (! $this->tableExists("pg_ts_dict", $wgDBts2schema)) {
+ print "<b>FAILED</b>. Make sure tsearch2 is installed. See <a href=";
+ print "'http://www.devx.com/opensource/Article/21674/0/page/2'>this article</a>";
+ print " for instructions.</li>\n";
dieout("</ul>");
}
- }
- $SQL = "SELECT ts_name FROM $wgDBts2schema.pg_ts_cfg WHERE locale = '$ctype'";
- $SQL .= " ORDER BY CASE WHEN ts_name <> 'default' THEN 1 ELSE 0 END";
- $res = $this->doQuery($SQL);
- error_reporting( E_ALL );
- if (!$res) {
- print "<b>FAILED</b>. Could not determine the tsearch2 locale information</li>\n";
- dieout("</ul>");
- }
- print "OK</li>";
+ print "OK</li>\n";
- ## Will the current locale work? Can we force it to?
- print "<li>Verifying tsearch2 locale with $ctype...";
- $rows = $this->numRows($res);
- $resetlocale = 0;
- if (!$rows) {
- print "<b>not found</b></li>\n";
- print "<li>Attempting to set default tsearch2 locale to \"$ctype\"...";
- $resetlocale = 1;
- }
- else {
- $tsname = pg_fetch_result($res, 0, 0);
- if ($tsname != 'default') {
- print "<b>not set to default ($tsname)</b>";
- print "<li>Attempting to change tsearch2 default locale to \"$ctype\"...";
- $resetlocale = 1;
+ // Does this user have the rights to the tsearch2 tables?
+ $ctype = pg_fetch_result($this->doQuery("SHOW lc_ctype"),0,0);
+ print "<li>Checking tsearch2 permissions...";
+ // Let's check all four, just to be safe
+ error_reporting( 0 );
+ $ts2tables = array('cfg','cfgmap','dict','parser');
+ $safetsschema = $this->quote_ident($wgDBts2schema);
+ foreach ( $ts2tables AS $tname ) {
+ $SQL = "SELECT count(*) FROM $safetsschema.pg_ts_$tname";
+ $res = $this->doQuery($SQL);
+ if (!$res) {
+ print "<b>FAILED</b> to access pg_ts_$tname. Make sure that the user ".
+ "\"$wgDBuser\" has SELECT access to all four tsearch2 tables</li>\n";
+ dieout("</ul>");
+ }
}
- }
- if ($resetlocale) {
- $SQL = "UPDATE $wgDBts2schema.pg_ts_cfg SET locale = '$ctype' WHERE ts_name = 'default'";
+ $SQL = "SELECT ts_name FROM $safetsschema.pg_ts_cfg WHERE locale = '$ctype'";
+ $SQL .= " ORDER BY CASE WHEN ts_name <> 'default' THEN 1 ELSE 0 END";
$res = $this->doQuery($SQL);
+ error_reporting( E_ALL );
if (!$res) {
- print "<b>FAILED</b>. ";
- print "Please make sure that the locale in pg_ts_cfg for \"default\" is set to \"$ctype\"</li>\n";
+ print "<b>FAILED</b>. Could not determine the tsearch2 locale information</li>\n";
dieout("</ul>");
}
print "OK</li>";
- }
-
- ## Final test: try out a simple tsearch2 query
- $SQL = "SELECT $wgDBts2schema.to_tsvector('default','MediaWiki tsearch2 testing')";
- $res = $this->doQuery($SQL);
- if (!$res) {
- print "<b>FAILED</b>. Specifically, \"$SQL\" did not work.</li>";
- dieout("</ul>");
- }
- print "OK</li>";
- ## Do we have plpgsql installed?
- print "<li>Checking for Pl/Pgsql ...";
- $SQL = "SELECT 1 FROM pg_catalog.pg_language WHERE lanname = 'plpgsql'";
- $rows = $this->numRows($this->doQuery($SQL));
- if ($rows < 1) {
- // plpgsql is not installed, but if we have a pg_pltemplate table, we should be able to create it
- print "not installed. Attempting to install Pl/Pgsql ...";
- $SQL = "SELECT 1 FROM pg_catalog.pg_class c JOIN pg_catalog.pg_namespace n ON (n.oid = c.relnamespace) ".
- "WHERE relname = 'pg_pltemplate' AND nspname='pg_catalog'";
- $rows = $this->numRows($this->doQuery($SQL));
- if ($rows >= 1) {
- $olde = error_reporting(0);
- error_reporting($olde - E_WARNING);
- $result = $this->doQuery("CREATE LANGUAGE plpgsql");
- error_reporting($olde);
- if (!$result) {
- print "<b>FAILED</b>. You need to install the language plpgsql in the database <tt>$wgDBname</tt></li>";
+ // Will the current locale work? Can we force it to?
+ print "<li>Verifying tsearch2 locale with $ctype...";
+ $rows = $this->numRows($res);
+ $resetlocale = 0;
+ if (!$rows) {
+ print "<b>not found</b></li>\n";
+ print "<li>Attempting to set default tsearch2 locale to \"$ctype\"...";
+ $resetlocale = 1;
+ }
+ else {
+ $tsname = pg_fetch_result($res, 0, 0);
+ if ($tsname != 'default') {
+ print "<b>not set to default ($tsname)</b>";
+ print "<li>Attempting to change tsearch2 default locale to \"$ctype\"...";
+ $resetlocale = 1;
+ }
+ }
+ if ($resetlocale) {
+ $SQL = "UPDATE $safetsschema.pg_ts_cfg SET locale = '$ctype' WHERE ts_name = 'default'";
+ $res = $this->doQuery($SQL);
+ if (!$res) {
+ print "<b>FAILED</b>. ";
+ print "Please make sure that the locale in pg_ts_cfg for \"default\" is set to \"$ctype\"</li>\n";
dieout("</ul>");
}
+ print "OK</li>";
}
- else {
- print "<b>FAILED</b>. You need to install the language plpgsql in the database <tt>$wgDBname</tt></li>";
+
+ // Final test: try out a simple tsearch2 query
+ $SQL = "SELECT $safetsschema.to_tsvector('default','MediaWiki tsearch2 testing')";
+ $res = $this->doQuery($SQL);
+ if (!$res) {
+ print "<b>FAILED</b>. Specifically, \"$SQL\" did not work.</li>";
dieout("</ul>");
}
+ print "OK</li>";
}
- print "OK</li>\n";
- ## Does the schema already exist? Who owns it?
+ // Install plpgsql if needed
+ $this->setup_plpgsql();
+
+ // Does the schema already exist? Who owns it?
$result = $this->schemaExists($wgDBmwschema);
if (!$result) {
print "<li>Creating schema <b>$wgDBmwschema</b> ...";
error_reporting( 0 );
- $result = $this->doQuery("CREATE SCHEMA $wgDBmwschema");
+ $safeschema = $this->quote_ident($wgDBmwschema);
+ $result = $this->doQuery("CREATE SCHEMA $safeschema");
error_reporting( E_ALL );
if (!$result) {
print "<b>FAILED</b>. The user \"$wgDBuser\" must be able to access the schema. ".
- "You can try making them the owner of the database, or try creating the schema with a ".
- "different user, and then grant access to the \"$wgDBuser\" user.</li>\n";
+ "You can try making them the owner of the database, or try creating the schema with a ".
+ "different user, and then grant access to the \"$wgDBuser\" user.</li>\n";
dieout("</ul>");
}
print "OK</li>\n";
}
- else if ($result != $user) {
- print "<li>Schema \"$wgDBmwschema\" exists but is not owned by \"$user\". Not ideal.</li>\n";
+ else if ($result != $wgDBuser) {
+ print "<li>Schema \"$wgDBmwschema\" exists but is not owned by \"$wgDBuser\". Not ideal.</li>\n";
}
else {
- print "<li>Schema \"$wgDBmwschema\" exists and is owned by \"$user\". Excellent.</li>\n";
+ print "<li>Schema \"$wgDBmwschema\" exists and is owned by \"$wgDBuser\". Excellent.</li>\n";
}
- ## Always return GMT time to accomodate the existing integer-based timestamp assumption
- print "<li>Setting the timezone to GMT for user \"$user\" ...";
+ // Always return GMT time to accomodate the existing integer-based timestamp assumption
+ print "<li>Setting the timezone to GMT for user \"$wgDBuser\" ...";
$SQL = "ALTER USER $safeuser SET timezone = 'GMT'";
$result = pg_query($this->mConn, $SQL);
if (!$result) {
dieout("</ul>");
}
print "OK</li>\n";
- ## Set for the rest of this session
+ // Set for the rest of this session
$SQL = "SET timezone = 'GMT'";
$result = pg_query($this->mConn, $SQL);
if (!$result) {
dieout("</ul>");
}
- print "<li>Setting the datestyle to ISO, YMD for user \"$user\" ...";
+ print "<li>Setting the datestyle to ISO, YMD for user \"$wgDBuser\" ...";
$SQL = "ALTER USER $safeuser SET datestyle = 'ISO, YMD'";
$result = pg_query($this->mConn, $SQL);
if (!$result) {
dieout("</ul>");
}
print "OK</li>\n";
- ## Set for the rest of this session
+ // Set for the rest of this session
$SQL = "SET datestyle = 'ISO, YMD'";
$result = pg_query($this->mConn, $SQL);
if (!$result) {
dieout("</ul>");
}
- ## Fix up the search paths if needed
- print "<li>Setting the search path for user \"$user\" ...";
+ // Fix up the search paths if needed
+ print "<li>Setting the search path for user \"$wgDBuser\" ...";
$path = $this->quote_ident($wgDBmwschema);
if ($wgDBts2schema !== $wgDBmwschema)
$path .= ", ". $this->quote_ident($wgDBts2schema);
dieout("</ul>");
}
print "OK</li>\n";
- ## Set for the rest of this session
+ // Set for the rest of this session
$SQL = "SET search_path = $path";
$result = pg_query($this->mConn, $SQL);
if (!$result) {
dieout("</ul>");
}
define( "POSTGRES_SEARCHPATH", $path );
- }}
-
- global $wgCommandLineMode;
- ## If called from the command-line (e.g. importDump), only show errors
- if ($wgCommandLineMode) {
- $this->doQuery("SET client_min_messages = 'ERROR'");
}
+ }
- global $wgDBmwschema, $wgDBts2schema;
- if (isset( $wgDBmwschema ) && isset( $wgDBts2schema )
- && $wgDBmwschema !== 'mediawiki'
- && preg_match( '/^\w+$/', $wgDBmwschema )
- && preg_match( '/^\w+$/', $wgDBts2schema )
- ) {
- $this->doQuery("SET search_path = $wgDBmwschema, $wgDBts2schema, public");
- }
- return $this->mConn;
+ function setup_plpgsql() {
+ print "<li>Checking for Pl/Pgsql ...";
+ $SQL = "SELECT 1 FROM pg_catalog.pg_language WHERE lanname = 'plpgsql'";
+ $rows = $this->numRows($this->doQuery($SQL));
+ if ($rows < 1) {
+ // plpgsql is not installed, but if we have a pg_pltemplate table, we should be able to create it
+ print "not installed. Attempting to install Pl/Pgsql ...";
+ $SQL = "SELECT 1 FROM pg_catalog.pg_class c JOIN pg_catalog.pg_namespace n ON (n.oid = c.relnamespace) ".
+ "WHERE relname = 'pg_pltemplate' AND nspname='pg_catalog'";
+ $rows = $this->numRows($this->doQuery($SQL));
+ if ($rows >= 1) {
+ $olde = error_reporting(0);
+ error_reporting($olde - E_WARNING);
+ $result = $this->doQuery("CREATE LANGUAGE plpgsql");
+ error_reporting($olde);
+ if (!$result) {
+ print "<b>FAILED</b>. You need to install the language plpgsql in the database <tt>$wgDBname</tt></li>";
+ dieout("</ul>");
+ }
+ }
+ else {
+ print "<b>FAILED</b>. You need to install the language plpgsql in the database <tt>$wgDBname</tt></li>";
+ dieout("</ul>");
+ }
+ }
+ print "OK</li>\n";
}
+
/**
* Closes a database connection, if it is open
* Returns success, true if already closed
}
function doQuery( $sql ) {
+ if (function_exists('mb_convert_encoding')) {
+ return $this->mLastResult=pg_query( $this->mConn , mb_convert_encoding($sql,'UTF-8') );
+ }
return $this->mLastResult=pg_query( $this->mConn , $sql);
}
* Returns -1 if count cannot be found
* Takes same arguments as Database::select()
*/
-
+
function estimateRowCount( $table, $vars='*', $conds='', $fname = 'Database::estimateRowCount', $options = array() ) {
$options['EXPLAIN'] = true;
$res = $this->select( $table, $vars, $conds, $fname, $options );
/**
* INSERT wrapper, inserts an array into a table
*
- * $args may be a single associative array, or an array of these with numeric keys,
+ * $args may be a single associative array, or an array of these with numeric keys,
* for multi-row insert (Postgres version 8.2 and above only).
*
* @param array $table String: Name of the table to insert to.
function insert( $table, $args, $fname = 'DatabasePostgres::insert', $options = array() ) {
global $wgDBversion;
+ if ( !count( $args ) ) {
+ return true;
+ }
+
$table = $this->tableName( $table );
if (! isset( $wgDBversion ) ) {
$this->getServerVersion();
return $this->mInsertId;
}
+ /**
+ * Return the current value of a sequence. Assumes it has ben nextval'ed in this session.
+ */
+ function currentSequenceValue( $seqName ) {
+ $safeseq = preg_replace( "/'/", "''", $seqName );
+ $res = $this->query( "SELECT currval('$safeseq')" );
+ $row = $this->fetchRow( $res );
+ $currval = $row[0];
+ $this->freeResult( $res );
+ return $currval;
+ }
+
/**
* Postgres does not have a "USE INDEX" clause, so return an empty string
*/
return '';
}
- function limitResult($sql, $limit,$offset=false) {
+ function limitResult($sql, $limit, $offset=false) {
return "$sql LIMIT $limit ".(is_numeric($offset)?" OFFSET {$offset} ":"");
}
function reportQueryError( $error, $errno, $sql, $fname, $tempIgnore = false ) {
- # Ignore errors during error handling to avoid infinite recursion
+ // Ignore errors during error handling to avoid infinite recursion
$ignore = $this->ignoreErrors( true );
- ++$this->mErrorCount;
+ $this->mErrorCount++;
if ($ignore || $tempIgnore) {
wfDebug("SQL ERROR (ignored): $error\n");
/**
* @return string wikitext of a link to the server software's web site
*/
- function getSoftwareLink() {
+ function getSoftwareLink() {
return "[http://www.postgresql.org/ PostgreSQL]";
}
/**
- * Query whether a given relation exists (in the given schema, or the
+ * Query whether a given relation exists (in the given schema, or the
* default mw one if not given)
*/
function relationExists( $table, $types, $schema = false ) {
}
/*
- * For backward compatibility, this function checks both tables and
+ * For backward compatibility, this function checks both tables and
* views.
*/
function tableExists ($table, $schema = false) {
return $this->relationExists($table, array('r', 'v'), $schema);
}
-
+
function sequenceExists ($sequence, $schema = false) {
return $this->relationExists($sequence, 'S', $schema);
}
global $wgDBmwschema;
$SQL = sprintf("SELECT 1 FROM information_schema.table_constraints ".
"WHERE constraint_schema = %s AND table_name = %s AND constraint_name = %s",
- $this->addQuotes($wgDBmwschema),
- $this->addQuotes($table),
+ $this->addQuotes($wgDBmwschema),
+ $this->addQuotes($table),
$this->addQuotes($constraint));
$res = $this->query($SQL);
if (!$res)
function setup_database() {
global $wgVersion, $wgDBmwschema, $wgDBts2schema, $wgDBport, $wgDBuser;
- ## Make sure that we can write to the correct schema
- ## If not, Postgres will happily and silently go to the next search_path item
- $ctest = "mw_test_table";
+ // Make sure that we can write to the correct schema
+ // If not, Postgres will happily and silently go to the next search_path item
+ $ctest = "mediawiki_test_table";
+ $safeschema = $this->quote_ident($wgDBmwschema);
if ($this->tableExists($ctest, $wgDBmwschema)) {
- $this->doQuery("DROP TABLE $wgDBmwschema.$ctest");
+ $this->doQuery("DROP TABLE $safeschema.$ctest");
}
- $SQL = "CREATE TABLE $wgDBmwschema.$ctest(a int)";
+ $SQL = "CREATE TABLE $safeschema.$ctest(a int)";
$olde = error_reporting( 0 );
$res = $this->doQuery($SQL);
error_reporting( $olde );
print "<b>FAILED</b>. Make sure that the user \"$wgDBuser\" can write to the schema \"$wgDBmwschema\"</li>\n";
dieout("</ul>");
}
- $this->doQuery("DROP TABLE $wgDBmwschema.mw_test_table");
+ $this->doQuery("DROP TABLE $safeschema.$ctest");
- dbsource( "../maintenance/postgres/tables.sql", $this);
-
- ## Version-specific stuff
- if ($this->numeric_version == 8.1) {
- $this->doQuery("CREATE INDEX ts2_page_text ON pagecontent USING gist(textvector)");
- $this->doQuery("CREATE INDEX ts2_page_title ON page USING gist(titlevector)");
- }
- else {
- $this->doQuery("CREATE INDEX ts2_page_text ON pagecontent USING gin(textvector)");
- $this->doQuery("CREATE INDEX ts2_page_title ON page USING gin(titlevector)");
- }
+ $res = dbsource( "../maintenance/postgres/tables.sql", $this);
## Update version information
$mwv = $this->addQuotes($wgVersion);
return true;
}
+ /**
+ * Postgres specific version of replaceVars.
+ * Calls the parent version in Database.php
+ *
+ * @private
+ *
+ * @param string $com SQL string, read from a stream (usually tables.sql)
+ *
+ * @return string SQL string
+ */
+ protected function replaceVars( $ins ) {
+
+ $ins = parent::replaceVars( $ins );
+
+ if ($this->numeric_version >= 8.3) {
+ // Thanks for not providing backwards-compatibility, 8.3
+ $ins = preg_replace( "/to_tsvector\s*\(\s*'default'\s*,/", 'to_tsvector(', $ins );
+ }
+
+ if ($this->numeric_version <= 8.1) { // Our minimum version
+ $ins = str_replace( 'USING gin', 'USING gist', $ins );
+ }
+
+ return $ins;
+ }
+
/**
* Various select options
*
if ( isset( $options['GROUP BY'] ) ) $preLimitTail .= " GROUP BY " . $options['GROUP BY'];
if ( isset( $options['HAVING'] ) ) $preLimitTail .= " HAVING {$options['HAVING']}";
if ( isset( $options['ORDER BY'] ) ) $preLimitTail .= " ORDER BY " . $options['ORDER BY'];
-
+
//if (isset($options['LIMIT'])) {
// $tailOpts .= $this->limitResult('', $options['LIMIT'],
- // isset($options['OFFSET']) ? $options['OFFSET']
+ // isset($options['OFFSET']) ? $options['OFFSET']
// : false);
//}
if ( isset( $noKeyOptions['FOR UPDATE'] ) ) $postLimitTail .= ' FOR UPDATE';
if ( isset( $noKeyOptions['LOCK IN SHARE MODE'] ) ) $postLimitTail .= ' LOCK IN SHARE MODE';
if ( isset( $noKeyOptions['DISTINCT'] ) || isset( $noKeyOptions['DISTINCTROW'] ) ) $startOpts .= 'DISTINCT';
-
+
return array( $startOpts, $useIndex, $preLimitTail, $postLimitTail );
}
wfDebug( "Function ping() not written for DatabasePostgres.php yet");
return true;
}
-
+
/**
* How lagged is this slave?
*
return false;
}
+ function setFakeSlaveLag() {}
+ function setFakeMaster() {}
+
+ function getDBname() {
+ return $this->mDBname;
+ }
+
+ function getServer() {
+ return $this->mServer;
+ }
+
function buildConcat( $stringList ) {
return implode( ' || ', $stringList );
}
} // end DatabasePostgres class
-
-
dépôts / lhc / web / wiklou.git / blobdiff