Add fullnameCanonical column for trigram matching (fast searching)

Entity/Person.php

@@ -113,7 +113,12 @@ class Person implements HasCenterInterface {
      * @var \Doctrine\Common\Collections\Collection
      */
     private $addresses;
-
+    
+    /**
+     * @var string
+     */
+    private $fullnameCanonical;
+    
     public function __construct(\DateTime $opening = null) {
         $this->accompanyingPeriods = new ArrayCollection();
         $this->spokenLanguages = new ArrayCollection();

Resources/config/doctrine/Person.orm.yml

@@ -51,6 +51,9 @@ Chill\PersonBundle\Entity\Person:
             type: text
             nullable: true
             length: 40
+        fullnameCanonical:
+            type: string
+            length: 255
     manyToOne:
         countryOfBirth:
             targetEntity: Chill\MainBundle\Entity\Country

Resources/migrations/Version20181023101621.php

@@ -0,0 +1,79 @@
+<?php declare(strict_types=1);
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Add fullnameCanonical column for trigram matching (fast searching)
+ */
+final class Version20181023101621 extends AbstractMigration
+{
+    public function up(Schema $schema) : void
+    {
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql("ALTER TABLE chill_person_person ADD fullnameCanonical VARCHAR(255) DEFAULT '' ");
+        $this->addSql("UPDATE chill_person_person SET fullnameCanonical=LOWER(UNACCENT(CONCAT(firstname, ' ', lastname)))");
+        $this->addSql("CREATE INDEX fullnameCanonical_trgm_idx ON chill_person_person USING GIN (fullnameCanonical gin_trgm_ops)");
+        
+        $this->addSql(<<<'SQL'
+            CREATE OR REPLACE FUNCTION canonicalize_fullname_on_update() RETURNS TRIGGER AS
+            $BODY$
+            BEGIN
+                IF NEW.firstname <> OLD.firstname OR NEW.lastname <> OLD.lastname
+                THEN
+                   UPDATE chill_person_person
+                   SET fullnameCanonical=LOWER(UNACCENT(CONCAT(NEW.firstname, ' ', NEW.lastname)))
+                   WHERE id=NEW.id;
+                END IF;
+                RETURN NEW;
+            END;
+            $BODY$ LANGUAGE PLPGSQL;
+SQL
+        );
+        $this->addSql(<<<SQL
+            CREATE TRIGGER canonicalize_fullname_on_update
+            AFTER UPDATE
+            ON chill_person_person
+            FOR EACH ROW
+            WHEN (pg_trigger_depth() = 0)
+            EXECUTE PROCEDURE canonicalize_fullname_on_update();
+SQL
+        );
+    
+        $this->addSql(<<<'SQL'
+            CREATE OR REPLACE FUNCTION canonicalize_fullname_on_insert() RETURNS TRIGGER AS
+            $BODY$
+            BEGIN
+                UPDATE chill_person_person
+                SET fullnameCanonical=LOWER(UNACCENT(CONCAT(NEW.firstname, ' ', NEW.lastname)))
+                WHERE id=NEW.id;
+                RETURN NEW;
+            END;
+            $BODY$ LANGUAGE PLPGSQL;
+SQL
+        );
+        $this->addSql(<<<SQL
+            CREATE TRIGGER canonicalize_fullname_on_insert
+            AFTER INSERT
+            ON chill_person_person
+            FOR EACH ROW
+            EXECUTE PROCEDURE canonicalize_fullname_on_insert();
+SQL
+        );
+    }
+
+    public function down(Schema $schema) : void
+    {
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql('DROP INDEX fullnameCanonical_trgm_idx');
+        $this->addSql('ALTER TABLE chill_person_person DROP fullnameCanonical');
+        $this->addSql('DROP TRIGGER canonicalize_fullname_on_update ON chill_person_person');
+        $this->addSql('DROP FUNCTION canonicalize_fullname_on_update()');
+        $this->addSql('DROP TRIGGER canonicalize_fullname_on_insert ON chill_person_person');
+        $this->addSql('DROP FUNCTION canonicalize_fullname_on_insert()');
+    }
+}