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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/OGM" style="color: #3b73af; text-decoration: none">Hibernate OGM</a> / <a href="https://hibernate.atlassian.net/browse/OGM-1064" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-e141a433-f15e-4a06-a7da-20f99c38ce97" height="16" width="16" border="0" align="absmiddle" alt="New Feature" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/OGM-1064" style="color: #3b73af; text-decoration: none">OGM-1064</a> </td>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/OGM-1064" style="color: #3b73af; text-decoration: none">Replace separate association management methods by upsertTupleAndAssociations()</a> </span> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Change By:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="gunnar.morling" id="email_gunnar.morling" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=gunnar.morling" style="color:#6c797f;; color: #3b73af; text-decoration: none">Gunnar Morling</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">h1. Background<br><br>Currently, there are separate methods for insert/updating tuples and association(s) managed by the entity represented by a given tuple. This makes it tough for dialects to write out tuple changes and related association changes in one roundtrip to the datastore also if this would make very much sense e.g. for document stores (but also for Redis, where we write JSON documents, too) where an entire object tree is stored within one document.<br><br>h1. Proposal<br><br>Replace the following methods on {{GridDialect}}:<br><br>* {{insertOrUpdateTuple()}}<br>* {{insertOrUpdateAssociation()}}<br>* {{removeAssociation()}}<br><br>with a combined method which takes all the info for upsert-ing an entity and all the association(s) it embeds (either element collections or associations stored in-entity):<br><br>* {{upsertTupleWithAssociations()}}<br><br></span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">It</span> <span class="diffaddedchars" style="background-color:#ddfade;">As input it</span> <span class="diffcontext"> would receive:<br><br>* All the info on the embedding tuple<br>* All the info on the embedded associations (directly or nested within embeddeables)<br><br>h1. Implementation proposal<br><br>This would be driven by the existing batching engine (see attached image). The batch delegator would always be enabled, also if batching is not implemented by a given dialect. Upon batch execution, it would group all operations by ids of the embedding entities and either invoke {{upsertTupleWithAssociations}} one-by-one, or it would execute this as a batch if supported (so we'd need a {{UpsertTupleWithAssociationsOperation}}, too).</span> </td>
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