PHP SQLQuery::getFrom方法代码示例

 /**
  * Update any requests to limit the results to the current site
  */
 public function augmentSQL(SQLQuery &$query)
 {
     if (Subsite::$disable_subsite_filter) {
         return;
     }
     // If you're querying by ID, ignore the sub-site - this is a bit ugly... (but it was WAYYYYYYYYY worse)
     //@TODO I don't think excluding if SiteTree_ImageTracking is a good idea however because of the SS 3.0 api and ManyManyList::removeAll() changing the from table after this function is called there isn't much of a choice
     $from = $query->getFrom();
     $where = $query->getWhere();
     if (!isset($from['SiteTree_ImageTracking']) && !($where && preg_match('/\\.(\'|"|`|)ID(\'|"|`|)/', $where[0]))) {
         $subsiteID = (int) Subsite::currentSubsiteID();
         // The foreach is an ugly way of getting the first key :-)
         foreach ($query->getFrom() as $tableName => $info) {
             $where = "\"{$tableName}\".\"SubsiteID\" IN (0, {$subsiteID})";
             $query->addWhere($where);
             break;
         }
         $sect = array_values($query->getSelect());
         $isCounting = strpos($sect[0], 'COUNT') !== false;
         // Ordering when deleting or counting doesn't apply
         if (!$query->getDelete() && !$isCounting) {
             $query->addOrderBy("\"SubsiteID\"");
         }
     }
 }

 public function augmentSQL(SQLQuery &$query, DataQuery &$dataQuery = null)
 {
     // Actives locales defined on a SiteConfig are there as a global setting
     if ($this->owner instanceof SiteConfig) {
         return;
     }
     // In admin, show everthing anyway
     if ($this->isAdminBackend()) {
         return;
     }
     // Find in set is only compatible with MySql
     $c = DB::getConn();
     if (!$c instanceof MySQLDatabase) {
         return;
     }
     $locale = $dataQuery->getQueryParam('Fluent.Locale') ?: Fluent::current_locale();
     $from = $query->getFrom();
     $where = $query->getWhere();
     $column = 'ActiveLocales';
     $table = null;
     // Check on which table is the ActiveLocales field
     foreach ($from as $fromTable => $conditions) {
         if ($table === null) {
             $table = $fromTable;
         }
         $db = DataObject::custom_database_fields($fromTable);
         if ($db && isset($db[$column])) {
             $table = $fromTable;
             break;
         }
     }
     $identifier = "\"{$table}\".\"{$column}\"";
     $where[] = "{$identifier} IS NULL OR FIND_IN_SET ('{$locale}', {$identifier}) > 0";
     $query->setWhere($where);
 }

 /**
  * Update any requests to limit the results to the current site
  */
 function augmentSQL(SQLQuery &$query, DataQuery &$dataQuery = null)
 {
     if (Subsite::$disable_subsite_filter) {
         return;
     }
     if ($dataQuery->getQueryParam('Subsite.filter') === false) {
         return;
     }
     // Don't run on delete queries, since they are always tied to
     // a specific ID.
     if ($query->getDelete()) {
         return;
     }
     // If you're querying by ID, ignore the sub-site - this is a bit ugly...
     // if(!$query->where || (strpos($query->where[0], ".\"ID\" = ") === false && strpos($query->where[0], ".`ID` = ") === false && strpos($query->where[0], ".ID = ") === false && strpos($query->where[0], "ID = ") !== 0)) {
     if (!$query->where || !preg_match('/\\.(\'|"|`|)ID(\'|"|`|)( ?)=/', $query->where[0])) {
         if (Subsite::$force_subsite) {
             $subsiteID = Subsite::$force_subsite;
         } else {
             /*if($context = DataObject::context_obj()) $subsiteID = (int)$context->SubsiteID;
               else */
             $subsiteID = (int) Subsite::currentSubsiteID();
         }
         // The foreach is an ugly way of getting the first key :-)
         foreach ($query->getFrom() as $tableName => $info) {
             // The tableName should be SiteTree or SiteTree_Live...
             if (strpos($tableName, $this->owner->ClassName) === false) {
                 break;
             }
             $query->addWhere("\"{$tableName}\".\"SubsiteID\" IN ({$subsiteID})");
             break;
         }
     }
 }

 /**
  * Update any requests to limit the results to the current site
  */
 public function augmentSQL(SQLQuery &$query, DataQuery &$dataQuery = null)
 {
     $ctrl = null;
     if (Controller::has_curr()) {
         $ctrl = Controller::curr();
     }
     if (Subsite::$disable_subsite_filter) {
         return;
     }
     if ($dataQuery->getQueryParam('Subsite.filter') === false) {
         return;
     }
     if ($ctrl && get_class(Controller::curr()) == 'Security') {
         return;
     }
     // Don't run on delete queries, since they are always tied to
     // a specific ID.
     if ($query->getDelete()) {
         return;
     }
     // If you're querying by ID, ignore the sub-site - this is a bit ugly...
     // if(!$query->where || (strpos($query->where[0], ".\"ID\" = ") === false && strpos($query->where[0], ".`ID` = ") === false && strpos($query->where[0], ".ID = ") === false && strpos($query->where[0], "ID = ") !== 0)) {
     if (!$query->filtersOnID()) {
         if (Subsite::$force_subsite) {
             $subsiteID = Subsite::$force_subsite;
         } else {
             $subsiteID = (int) Subsite::currentSubsiteID();
         }
         $froms = $query->getFrom();
         $froms = array_keys($froms);
         $tableName = array_shift($froms);
         $query->addWhere("\"{$tableName}\".\"SubsiteID\" IN ({$subsiteID})");
     }
 }

 /**
  * Update any requests to limit the results to the current site
  */
 public function augmentSQL(SQLQuery &$query, DataQuery &$dataQuery = null)
 {
     if (Subsite::$disable_subsite_filter) {
         return;
     }
     if ($dataQuery->getQueryParam('Subsite.filter') === false) {
         return;
     }
     // If you're querying by ID, ignore the sub-site - this is a bit ugly...
     // if(!$query->where || (strpos($query->where[0], ".\"ID\" = ") === false && strpos($query->where[0], ".`ID` = ") === false && strpos($query->where[0], ".ID = ") === false && strpos($query->where[0], "ID = ") !== 0)) {
     if ($query->filtersOnID()) {
         return;
     }
     if (Subsite::$force_subsite) {
         $subsiteID = Subsite::$force_subsite;
     } else {
         /*if($context = DataObject::context_obj()) $subsiteID = (int)$context->SubsiteID;
           else */
         $subsiteID = (int) Subsite::currentSubsiteID();
     }
     // The foreach is an ugly way of getting the first key :-)
     foreach ($query->getFrom() as $tableName => $info) {
         // The tableName should be custommenu...
         if (strpos($tableName, 'CustomMenu') === false) {
             break;
         }
         $query->addWhere("\"{$tableName}\".\"SubsiteID\" IN ({$subsiteID})");
         break;
     }
 }

 /**
  * Determines if the current query is supposed
  * to be exempt from the automatic filtering out
  * of temporary records.
  *
  * @param SQLQuery $query
  * @return boolean
  */
 protected function wantsTemporary($query)
 {
     foreach ($query->getWhere() as $whereClause) {
         $from = array_values($query->getFrom());
         // SQLQuery will automatically add double quotes and single quotes to values, so check against that.
         if ($whereClause == "{$from[0]}.\"MultiFormIsTemporary\" = '1'") {
             return true;
         }
     }
     return false;
 }

 /**
  * Add a join clause to this query
  * @deprecated 3.0 Use innerJoin() or leftJoin() instead.
  */
 public function join($join)
 {
     Deprecation::notice('3.0', 'Use innerJoin() or leftJoin() instead.');
     if ($join) {
         $this->query->addFrom($join);
         // TODO: This needs to be resolved for all databases
         if (DB::getConn() instanceof MySQLDatabase) {
             $from = $this->query->getFrom();
             $this->query->setGroupBy(reset($from) . ".\"ID\"");
         }
     }
     return $this;
 }

 /**
  * Update any requests to limit the results to the current site
  */
 public function augmentSQL(SQLQuery &$query, DataQuery &$dataQuery = null)
 {
     // Filters are disabled globally
     if (self::$disable) {
         return;
     }
     // Filters are disabled for this query
     if ($dataQuery->getQueryParam('SoftDeletable.filter') === false) {
         return;
     }
     // Don't run on delete queries, since they are always tied to a specific ID.
     if ($query->getDelete()) {
         return;
     }
     // Don't run if querying by ID
     if ($query->filtersOnID()) {
         return;
     }
     $froms = $query->getFrom();
     $froms = array_keys($froms);
     $tableName = array_shift($froms);
     $query->addWhere("\"{$tableName}\".\"Deleted\" IS NULL");
 }

 protected function adjustForVersioned(SQLQuery $query)
 {
     $ownerClass = $this->baseClass;
     $stage = Versioned::current_stage();
     if ($stage && $stage != 'Stage') {
         foreach ($query->getFrom() as $table => $dummy) {
             // Only rewrite table names that are actually part of the subclass tree
             // This helps prevent rewriting of other tables that get joined in, in
             // particular, many_many tables
             if (class_exists($table) && ($table == $ownerClass || is_subclass_of($table, $ownerClass) || is_subclass_of($ownerClass, $table))) {
                 $query->renameTable($table, $table . '_' . $stage);
             }
         }
     }
 }

 /**
  * Determine the class this query is searching against
  *
  * @param SQLQuery $query
  * @return string
  */
 protected function getClass(SQLQuery $query)
 {
     foreach ($query->getFrom() as $alias => $table) {
         return $alias;
     }
 }

 /**
  * Augment the the SQLQuery that is created by the DataQuery
  * @todo Should this all go into VersionedDataQuery?
  */
 public function augmentSQL(SQLQuery &$query, DataQuery &$dataQuery = null)
 {
     $baseTable = ClassInfo::baseDataClass($dataQuery->dataClass());
     switch ($dataQuery->getQueryParam('Versioned.mode')) {
         // Noop
         case '':
             break;
             // Reading a specific data from the archive
         // Reading a specific data from the archive
         case 'archive':
             $date = $dataQuery->getQueryParam('Versioned.date');
             foreach ($query->getFrom() as $table => $dummy) {
                 $query->renameTable($table, $table . '_versions');
                 $query->replaceText("\"{$table}_versions\".\"ID\"", "\"{$table}_versions\".\"RecordID\"");
                 $query->replaceText("`{$table}_versions`.`ID`", "`{$table}_versions`.`RecordID`");
                 // Add all <basetable>_versions columns
                 foreach (self::$db_for_versions_table as $name => $type) {
                     $query->selectField(sprintf('"%s_versions"."%s"', $baseTable, $name), $name);
                 }
                 $query->selectField(sprintf('"%s_versions"."%s"', $baseTable, 'RecordID'), "ID");
                 if ($table != $baseTable) {
                     $query->addWhere("\"{$table}_versions\".\"Version\" = \"{$baseTable}_versions\".\"Version\"");
                 }
             }
             // Link to the version archived on that date
             $safeDate = Convert::raw2sql($date);
             $query->addWhere("\"{$baseTable}_versions\".\"Version\" IN \n\t\t\t\t\t(SELECT LatestVersion FROM \n\t\t\t\t\t\t(SELECT \n\t\t\t\t\t\t\t\"{$baseTable}_versions\".\"RecordID\", \n\t\t\t\t\t\t\tMAX(\"{$baseTable}_versions\".\"Version\") AS LatestVersion\n\t\t\t\t\t\t\tFROM \"{$baseTable}_versions\"\n\t\t\t\t\t\t\tWHERE \"{$baseTable}_versions\".\"LastEdited\" <= '{$safeDate}'\n\t\t\t\t\t\t\tGROUP BY \"{$baseTable}_versions\".\"RecordID\"\n\t\t\t\t\t\t) AS \"{$baseTable}_versions_latest\"\n\t\t\t\t\t\tWHERE \"{$baseTable}_versions_latest\".\"RecordID\" = \"{$baseTable}_versions\".\"RecordID\"\n\t\t\t\t\t)");
             break;
             // Reading a specific stage (Stage or Live)
         // Reading a specific stage (Stage or Live)
         case 'stage':
             $stage = $dataQuery->getQueryParam('Versioned.stage');
             if ($stage && $stage != $this->defaultStage) {
                 foreach ($query->getFrom() as $table => $dummy) {
                     // Only rewrite table names that are actually part of the subclass tree
                     // This helps prevent rewriting of other tables that get joined in, in
                     // particular, many_many tables
                     if (class_exists($table) && ($table == $this->owner->class || is_subclass_of($table, $this->owner->class) || is_subclass_of($this->owner->class, $table))) {
                         $query->renameTable($table, $table . '_' . $stage);
                     }
                 }
             }
             break;
             // Reading a specific stage, but only return items that aren't in any other stage
         // Reading a specific stage, but only return items that aren't in any other stage
         case 'stage_unique':
             $stage = $dataQuery->getQueryParam('Versioned.stage');
             // Recurse to do the default stage behavior (must be first, we rely on stage renaming happening before
             // below)
             $dataQuery->setQueryParam('Versioned.mode', 'stage');
             $this->augmentSQL($query, $dataQuery);
             // Now exclude any ID from any other stage. Note that we double rename to avoid the regular stage rename
             // renaming all subquery references to be Versioned.stage
             foreach ($this->stages as $excluding) {
                 if ($excluding == $stage) {
                     continue;
                 }
                 $tempName = 'ExclusionarySource_' . $excluding;
                 $excludingTable = $baseTable . ($excluding && $excluding != $this->defaultStage ? "_{$excluding}" : '');
                 $query->addWhere('"' . $baseTable . '"."ID" NOT IN (SELECT "ID" FROM "' . $tempName . '")');
                 $query->renameTable($tempName, $excludingTable);
             }
             break;
             // Return all version instances
         // Return all version instances
         case 'all_versions':
         case 'latest_versions':
             foreach ($query->getFrom() as $alias => $join) {
                 if ($alias != $baseTable) {
                     $query->setJoinFilter($alias, "\"{$alias}\".\"RecordID\" = \"{$baseTable}_versions\".\"RecordID\"" . " AND \"{$alias}\".\"Version\" = \"{$baseTable}_versions\".\"Version\"");
                 }
                 $query->renameTable($alias, $alias . '_versions');
             }
             // Add all <basetable>_versions columns
             foreach (self::$db_for_versions_table as $name => $type) {
                 $query->selectField(sprintf('"%s_versions"."%s"', $baseTable, $name), $name);
             }
             $query->selectField(sprintf('"%s_versions"."%s"', $baseTable, 'RecordID'), "ID");
             $query->addOrderBy(sprintf('"%s_versions"."%s"', $baseTable, 'Version'));
             // latest_version has one more step
             // Return latest version instances, regardless of whether they are on a particular stage
             // This provides "show all, including deleted" functonality
             if ($dataQuery->getQueryParam('Versioned.mode') == 'latest_versions') {
                 $query->addWhere("\"{$alias}_versions\".\"Version\" IN \n\t\t\t\t\t(SELECT LatestVersion FROM \n\t\t\t\t\t\t(SELECT \n\t\t\t\t\t\t\t\"{$alias}_versions\".\"RecordID\", \n\t\t\t\t\t\t\tMAX(\"{$alias}_versions\".\"Version\") AS LatestVersion\n\t\t\t\t\t\t\tFROM \"{$alias}_versions\"\n\t\t\t\t\t\t\tGROUP BY \"{$alias}_versions\".\"RecordID\"\n\t\t\t\t\t\t) AS \"{$alias}_versions_latest\"\n\t\t\t\t\t\tWHERE \"{$alias}_versions_latest\".\"RecordID\" = \"{$alias}_versions\".\"RecordID\"\n\t\t\t\t\t)");
             }
             break;
         default:
             throw new InvalidArgumentException("Bad value for query parameter Versioned.mode: " . $dataQuery->getQueryParam('Versioned.mode'));
     }
 }

 /**
  * Update any requests to limit the results to the current site
  */
 public function augmentSQL(SQLQuery &$query)
 {
     if (Subsite::$disable_subsite_filter) {
         return;
     }
     if (Cookie::get('noSubsiteFilter') == 'true') {
         return;
     }
     // If you're querying by ID, ignore the sub-site - this is a bit ugly...
     if (!$query->filtersOnID()) {
         /* if($context = DataObject::context_obj()) $subsiteID = (int)$context->SubsiteID;
            else */
         $subsiteID = (int) Subsite::currentSubsiteID();
         // Don't filter by Group_Subsites if we've already done that
         $hasGroupSubsites = false;
         foreach ($query->getFrom() as $item) {
             if (is_array($item) && strpos($item['table'], 'Group_Subsites') !== false || !is_array($item) && strpos($item, 'Group_Subsites') !== false) {
                 $hasGroupSubsites = true;
                 break;
             }
         }
         if (!$hasGroupSubsites) {
             if ($subsiteID) {
                 $query->addLeftJoin("Group_Subsites", "\"Group_Subsites\".\"GroupID\"\n\t\t\t\t\t\t= \"Group\".\"ID\" AND \"Group_Subsites\".\"SubsiteID\" = {$subsiteID}");
                 $query->addWhere("(\"Group_Subsites\".\"SubsiteID\" IS NOT NULL OR\n\t\t\t\t\t\t\"Group\".\"AccessAllSubsites\" = 1)");
             }
         }
         // WORKAROUND for databases that complain about an ORDER BY when the column wasn't selected (e.g. SQL Server)
         $select = $query->getSelect();
         if ($hasGroupSubsites && $subsiteID && isset($select[0]) && !$select[0] == 'COUNT(*)') {
             $query->orderby = "\"AccessAllSubsites\" DESC" . ($query->orderby ? ', ' : '') . $query->orderby;
         }
     }
 }

 /**
  * Convert a SQLQuery object into a SQL statement
  * @param $query SQLQuery
  */
 public function sqlQueryToString(SQLQuery $query)
 {
     if ($query->getDelete()) {
         $text = 'DELETE ';
     } else {
         $text = $this->sqlSelectToString($query->getSelect(), $query->getDistinct());
     }
     if ($query->getFrom()) {
         $text .= $this->sqlFromToString($query->getFrom());
     }
     if ($query->getWhere()) {
         $text .= $this->sqlWhereToString($query->getWhere(), $query->getConnective());
     }
     // these clauses only make sense in SELECT queries, not DELETE
     if (!$query->getDelete()) {
         if ($query->getGroupBy()) {
             $text .= $this->sqlGroupByToString($query->getGroupBy());
         }
         if ($query->getHaving()) {
             $text .= $this->sqlHavingToString($query->getHaving());
         }
         if ($query->getOrderBy()) {
             $text .= $this->sqlOrderByToString($query->getOrderBy());
         }
         if ($query->getLimit()) {
             $text .= $this->sqlLimitToString($query->getLimit());
         }
     }
     return $text;
 }

 /**
  * Augment the the SQLQuery that is created by the DataQuery
  * @todo Should this all go into VersionedDataQuery?
  */
 function augmentSQL(SQLQuery &$query, DataQuery &$dataQuery = null)
 {
     $baseTable = ClassInfo::baseDataClass($dataQuery->dataClass());
     switch ($dataQuery->getQueryParam('Versioned.mode')) {
         // Noop
         case '':
             break;
             // Reading a specific data from the archive
         // Reading a specific data from the archive
         case 'archive':
             $date = $dataQuery->getQueryParam('Versioned.date');
             foreach ($query->getFrom() as $table => $dummy) {
                 $query->renameTable($table, $table . '_versions');
                 $query->replaceText("\"{$table}\".\"ID\"", "\"{$table}\".\"RecordID\"");
                 // Add all <basetable>_versions columns
                 foreach (self::$db_for_versions_table as $name => $type) {
                     $query->selectField(sprintf('"%s_versions"."%s"', $baseTable, $name), $name);
                 }
                 $query->selectField(sprintf('"%s_versions"."%s"', $baseTable, 'RecordID'), "ID");
                 if ($table != $baseTable) {
                     $query->addFrom(array($table => " AND \"{$table}_versions\".\"Version\" = \"{$baseTable}_versions\".\"Version\""));
                 }
             }
             // Link to the version archived on that date
             $archiveTable = $this->requireArchiveTempTable($baseTable, $date);
             $query->addFrom(array($archiveTable => "INNER JOIN \"{$archiveTable}\"\n\t\t\t\tON \"{$archiveTable}\".\"ID\" = \"{$baseTable}_versions\".\"RecordID\" \n\t\t\t\tAND \"{$archiveTable}\".\"Version\" = \"{$baseTable}_versions\".\"Version\""));
             break;
             // Reading a specific stage (Stage or Live)
         // Reading a specific stage (Stage or Live)
         case 'stage':
             $stage = $dataQuery->getQueryParam('Versioned.stage');
             if ($stage && $stage != $this->defaultStage) {
                 foreach ($query->getFrom() as $table => $dummy) {
                     // Only rewrite table names that are actually part of the subclass tree
                     // This helps prevent rewriting of other tables that get joined in, in
                     // particular, many_many tables
                     if (class_exists($table) && ($table == $this->owner->class || is_subclass_of($table, $this->owner->class) || is_subclass_of($this->owner->class, $table))) {
                         $query->renameTable($table, $table . '_' . $stage);
                     }
                 }
             }
             break;
             // Return all version instances
         // Return all version instances
         case 'all_versions':
         case 'latest_versions':
             foreach ($query->getFrom() as $alias => $join) {
                 if ($alias != $baseTable) {
                     $query->setJoinFilter($alias, "\"{$alias}\".\"RecordID\" = \"{$baseTable}_versions\".\"RecordID\" AND \"{$alias}\".\"Version\" = \"{$baseTable}_versions\".\"Version\"");
                 }
                 $query->renameTable($alias, $alias . '_versions');
             }
             // Add all <basetable>_versions columns
             foreach (self::$db_for_versions_table as $name => $type) {
                 $query->selectField(sprintf('"%s_versions"."%s"', $baseTable, $name), $name);
             }
             $query->selectField(sprintf('"%s_versions"."%s"', $baseTable, 'RecordID'), "ID");
             // latest_version has one more step
             // Return latest version instances, regardless of whether they are on a particular stage
             // This provides "show all, including deleted" functonality
             if ($dataQuery->getQueryParam('Versioned.mode') == 'latest_versions') {
                 $archiveTable = self::requireArchiveTempTable($baseTable);
                 $query->addInnerJoin($archiveTable, "\"{$archiveTable}\".\"ID\" = \"{$baseTable}_versions\".\"RecordID\" AND \"{$archiveTable}\".\"Version\" = \"{$baseTable}_versions\".\"Version\"");
             }
             break;
         default:
             throw new InvalidArgumentException("Bad value for query parameter Versioned.mode: " . $dataQuery->getQueryParam('Versioned.mode'));
     }
 }

 /**
  * Changes any SELECT query thats not filtering on an ID
  * to limit by the current language defined in {@link get_current_locale()}.
  * It falls back to "Locale='' OR Lang IS NULL" and assumes that
  * this implies querying for the default language.
  * 
  * Use {@link disable_locale_filter()} to temporarily disable this "auto-filtering".
  */
 function augmentSQL(SQLQuery &$query)
 {
     // If the record is saved (and not a singleton), and has a locale,
     // limit the current call to its locale. This fixes a lot of problems
     // with other extensions like Versioned
     $locale = $this->owner->ID && $this->owner->Locale ? $this->owner->Locale : Translatable::get_current_locale();
     $baseTable = ClassInfo::baseDataClass($this->owner->class);
     if ($locale && self::locale_filter_enabled() && !$query->filtersOnID() && array_search($baseTable, array_keys($query->getFrom())) !== false && !preg_match('/("|\'|`)Locale("|\'|`)/', implode(' ', $query->getWhere()))) {
         $qry = sprintf('"%s"."Locale" = \'%s\'', $baseTable, Convert::raw2sql($locale));
         $query->addWhere($qry);
     }
 }