@@ -564,7 +564,7 @@ public function updateRelationship(
564564 $ collection = $ this ->getDocument (Database::METADATA , $ collection );
565565 $ relatedCollection = $ this ->getDocument (Database::METADATA , $ relatedCollection );
566566
567- $ junction = $ this ->getSQLTable ('_ ' . $ collection ->getInternalId () . '_ ' . $ relatedCollection ->getInternalId ());
567+ $ junction = $ this ->getSQLTable ('_ ' . $ collection ->getSequence () . '_ ' . $ relatedCollection ->getSequence ());
568568
569569 if (!\is_null ($ newKey )) {
570570 $ sql = "ALTER TABLE {$ junction } RENAME COLUMN ` {$ key }` TO ` {$ newKey }`; " ;
@@ -648,12 +648,12 @@ public function deleteRelationship(
648648 $ relatedCollection = $ this ->getDocument (Database::METADATA , $ relatedCollection );
649649
650650 $ junction = $ side === Database::RELATION_SIDE_PARENT
651- ? $ this ->getSQLTable ('_ ' . $ collection ->getInternalId () . '_ ' . $ relatedCollection ->getInternalId ())
652- : $ this ->getSQLTable ('_ ' . $ relatedCollection ->getInternalId () . '_ ' . $ collection ->getInternalId ());
651+ ? $ this ->getSQLTable ('_ ' . $ collection ->getSequence () . '_ ' . $ relatedCollection ->getSequence ())
652+ : $ this ->getSQLTable ('_ ' . $ relatedCollection ->getSequence () . '_ ' . $ collection ->getSequence ());
653653
654654 $ perms = $ side === Database::RELATION_SIDE_PARENT
655- ? $ this ->getSQLTable ('_ ' . $ collection ->getInternalId () . '_ ' . $ relatedCollection ->getInternalId () . '_perms ' )
656- : $ this ->getSQLTable ('_ ' . $ relatedCollection ->getInternalId () . '_ ' . $ collection ->getInternalId () . '_perms ' );
655+ ? $ this ->getSQLTable ('_ ' . $ collection ->getSequence () . '_ ' . $ relatedCollection ->getSequence () . '_perms ' )
656+ : $ this ->getSQLTable ('_ ' . $ relatedCollection ->getSequence () . '_ ' . $ collection ->getSequence () . '_perms ' );
657657
658658 $ sql = "DROP TABLE {$ junction }; DROP TABLE {$ perms }" ;
659659 break ;
@@ -718,7 +718,7 @@ public function createIndex(string $collection, string $id, string $type, array
718718 }
719719
720720 /**
721- * We do not have internalId 's added to list, since we check only for array field
721+ * We do not have sequence 's added to list, since we check only for array field
722722 */
723723 $ collectionAttributes = \json_decode ($ collection ->getAttribute ('attributes ' , []), true );
724724
@@ -843,7 +843,7 @@ public function createDocument(string $collection, Document $document): Document
843843 }
844844
845845 // Insert internal ID if set
846- if (!empty ($ document ->getInternalId ())) {
846+ if (!empty ($ document ->getSequence ())) {
847847 $ bindKey = '_id ' ;
848848 $ columns .= "_id, " ;
849849 $ columnNames .= ': ' . $ bindKey . ', ' ;
@@ -860,8 +860,8 @@ public function createDocument(string $collection, Document $document): Document
860860
861861 $ stmt ->bindValue (':_uid ' , $ document ->getId ());
862862
863- if (!empty ($ document ->getInternalId ())) {
864- $ stmt ->bindValue (':_id ' , $ document ->getInternalId ());
863+ if (!empty ($ document ->getSequence ())) {
864+ $ stmt ->bindValue (':_id ' , $ document ->getSequence ());
865865 }
866866
867867 $ attributeIndex = 0 ;
@@ -905,10 +905,10 @@ public function createDocument(string $collection, Document $document): Document
905905
906906 $ stmt ->execute ();
907907
908- $ document ['$internalId ' ] = $ this ->pdo ->lastInsertId ();
908+ $ document ['$sequence ' ] = $ this ->pdo ->lastInsertId ();
909909
910- if (empty ($ document ['$internalId ' ])) {
911- throw new DatabaseException ('Error creating document empty "$internalId " ' );
910+ if (empty ($ document ['$sequence ' ])) {
911+ throw new DatabaseException ('Error creating document empty "$sequence " ' );
912912 }
913913
914914 if (isset ($ stmtPermissions )) {
@@ -943,15 +943,15 @@ public function createDocuments(string $collection, array $documents): array
943943
944944 $ attributeKeys = Database::INTERNAL_ATTRIBUTE_KEYS ;
945945
946- $ hasInternalId = null ;
946+ $ hasSequence = null ;
947947 foreach ($ documents as $ document ) {
948948 $ attributes = $ document ->getAttributes ();
949949 $ attributeKeys = [...$ attributeKeys , ...\array_keys ($ attributes )];
950950
951- if ($ hasInternalId === null ) {
952- $ hasInternalId = !empty ($ document ->getInternalId ());
953- } elseif ($ hasInternalId == empty ($ document ->getInternalId ())) {
954- throw new DatabaseException ('All documents must have an internalId if one is set ' );
951+ if ($ hasSequence === null ) {
952+ $ hasSequence = !empty ($ document ->getSequence ());
953+ } elseif ($ hasSequence == empty ($ document ->getSequence ())) {
954+ throw new DatabaseException ('All documents must have an sequence if one is set ' );
955955 }
956956 }
957957 $ attributeKeys = array_unique ($ attributeKeys );
@@ -980,8 +980,8 @@ public function createDocuments(string $collection, array $documents): array
980980 $ attributes ['_updatedAt ' ] = $ document ->getUpdatedAt ();
981981 $ attributes ['_permissions ' ] = \json_encode ($ document ->getPermissions ());
982982
983- if (!empty ($ document ->getInternalId ())) {
984- $ attributes ['_id ' ] = $ document ->getInternalId ();
983+ if (!empty ($ document ->getSequence ())) {
984+ $ attributes ['_id ' ] = $ document ->getSequence ();
985985 $ attributeKeys [] = '_id ' ;
986986 } else {
987987 $ documentIds [] = $ document ->getId ();
@@ -1051,15 +1051,15 @@ public function createDocuments(string $collection, array $documents): array
10511051 $ stmtPermissions ?->execute();
10521052 }
10531053
1054- $ internalIds = $ this ->getInternalIds (
1054+ $ sequences = $ this ->getSequences (
10551055 $ collection ,
10561056 $ documentIds ,
10571057 $ documentTenants
10581058 );
10591059
10601060 foreach ($ documents as $ document ) {
1061- if (isset ($ internalIds [$ document ->getId ()])) {
1062- $ document ['$internalId ' ] = $ internalIds [$ document ->getId ()];
1061+ if (isset ($ sequences [$ document ->getId ()])) {
1062+ $ document ['$sequence ' ] = $ sequences [$ document ->getId ()];
10631063 }
10641064 }
10651065 } catch (PDOException $ e ) {
@@ -1253,15 +1253,15 @@ public function updateDocument(string $collection, string $id, Document $documen
12531253 $ sql = "
12541254 UPDATE {$ this ->getSQLTable ($ name )}
12551255 SET {$ columns } _uid = :_newUid
1256- WHERE _id=:_internalId
1256+ WHERE _id=:_sequence
12571257 {$ this ->getTenantQuery ($ collection )}
12581258 " ;
12591259
12601260 $ sql = $ this ->trigger (Database::EVENT_DOCUMENT_UPDATE , $ sql );
12611261
12621262 $ stmt = $ this ->getPDO ()->prepare ($ sql );
12631263
1264- $ stmt ->bindValue (':_internalId ' , $ document ->getInternalId ());
1264+ $ stmt ->bindValue (':_sequence ' , $ document ->getSequence ());
12651265 $ stmt ->bindValue (':_newUid ' , $ document ->getId ());
12661266
12671267 if ($ this ->sharedTables ) {
@@ -1331,8 +1331,8 @@ public function createOrUpdateDocuments(
13311331 $ attributes ['_updatedAt ' ] = $ document ->getUpdatedAt ();
13321332 $ attributes ['_permissions ' ] = \json_encode ($ document ->getPermissions ());
13331333
1334- if (!empty ($ document ->getInternalId ())) {
1335- $ attributes ['_id ' ] = $ document ->getInternalId ();
1334+ if (!empty ($ document ->getSequence ())) {
1335+ $ attributes ['_id ' ] = $ document ->getSequence ();
13361336 } else {
13371337 $ documentIds [] = $ document ->getId ();
13381338 }
@@ -1495,15 +1495,15 @@ public function createOrUpdateDocuments(
14951495 $ stmtAddPermissions ->execute ();
14961496 }
14971497
1498- $ internalIds = $ this ->getInternalIds (
1498+ $ sequences = $ this ->getSequences (
14991499 $ collection ,
15001500 $ documentIds ,
15011501 $ documentTenants
15021502 );
15031503
15041504 foreach ($ changes as $ change ) {
1505- if (isset ($ internalIds [$ change ->getNew ()->getId ()])) {
1506- $ change ->getNew ()->setAttribute ('$internalId ' , $ internalIds [$ change ->getNew ()->getId ()]);
1505+ if (isset ($ sequences [$ change ->getNew ()->getId ()])) {
1506+ $ change ->getNew ()->setAttribute ('$sequence ' , $ sequences [$ change ->getNew ()->getId ()]);
15071507 }
15081508 }
15091509 } catch (PDOException $ e ) {
@@ -1663,12 +1663,12 @@ public function find(string $collection, array $queries = [], ?int $limit = 25,
16631663
16641664 // Get most dominant/first order attribute
16651665 if ($ i === 0 && !empty ($ cursor )) {
1666- $ orderMethodInternalId = Query::TYPE_GREATER ; // To preserve natural order
1666+ $ orderMethodSequence = Query::TYPE_GREATER ; // To preserve natural order
16671667 $ orderMethod = $ orderType === Database::ORDER_DESC ? Query::TYPE_LESSER : Query::TYPE_GREATER ;
16681668
16691669 if ($ cursorDirection === Database::CURSOR_BEFORE ) {
16701670 $ orderType = $ orderType === Database::ORDER_ASC ? Database::ORDER_DESC : Database::ORDER_ASC ;
1671- $ orderMethodInternalId = $ orderType === Database::ORDER_ASC ? Query::TYPE_LESSER : Query::TYPE_GREATER ;
1671+ $ orderMethodSequence = $ orderType === Database::ORDER_ASC ? Query::TYPE_LESSER : Query::TYPE_GREATER ;
16721672 $ orderMethod = $ orderType === Database::ORDER_DESC ? Query::TYPE_LESSER : Query::TYPE_GREATER ;
16731673 }
16741674
@@ -1686,7 +1686,7 @@ public function find(string $collection, array $queries = [], ?int $limit = 25,
16861686 OR (
16871687 {$ this ->quote ($ alias )}. {$ this ->quote ($ attribute )} = :cursor
16881688 AND
1689- {$ this ->quote ($ alias )}._id {$ this ->getSQLOperator ($ orderMethodInternalId )} {$ cursor ['$internalId ' ]}
1689+ {$ this ->quote ($ alias )}._id {$ this ->getSQLOperator ($ orderMethodSequence )} {$ cursor ['$sequence ' ]}
16901690 )
16911691 ) " ;
16921692 } elseif ($ cursorDirection === Database::CURSOR_BEFORE ) {
@@ -1710,7 +1710,7 @@ public function find(string $collection, array $queries = [], ?int $limit = 25,
17101710 : Query::TYPE_LESSER ;
17111711 }
17121712
1713- $ where [] = "( {$ this ->quote ($ alias )}._id {$ this ->getSQLOperator ($ orderMethod )} {$ cursor ['$internalId ' ]}) " ;
1713+ $ where [] = "( {$ this ->quote ($ alias )}._id {$ this ->getSQLOperator ($ orderMethod )} {$ cursor ['$sequence ' ]}) " ;
17141714 }
17151715
17161716 // Allow order type without any order attribute, fallback to the natural order (_id)
@@ -1788,7 +1788,7 @@ public function find(string $collection, array $queries = [], ?int $limit = 25,
17881788 unset($ results [$ index ]['_uid ' ]);
17891789 }
17901790 if (\array_key_exists ('_id ' , $ document )) {
1791- $ results [$ index ]['$internalId ' ] = $ document ['_id ' ];
1791+ $ results [$ index ]['$sequence ' ] = $ document ['_id ' ];
17921792 unset($ results [$ index ]['_id ' ]);
17931793 }
17941794 if (\array_key_exists ('_tenant ' , $ document )) {
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