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MDL-79397 reportbuilder: update reports to use auto-generated aliases.

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We no longer need to be concerned about the manual setting of entity
table aliases (e.g. to avoid duplication between entities, or for using
a single entity multiple times), as it's handled transparently for us.
This commit is contained in:
Paul Holden 2023-09-15 11:28:30 +01:00
parent 7143cf4cbc
commit 3dec3fb8ce
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3 changed files with 17 additions and 22 deletions
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20
blog/classes/reportbuilder/datasource/blogs.php
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@ -88,23 +88,21 @@ class blogs extends datasource {
$this->add_entity($courseentity
->add_join("LEFT JOIN {course} {$coursealias} ON {$coursealias}.id = {$postalias}.courseid"));
// Join the comment entity (ensure differing alias from that used by course entity).
$commententity = (new comment())
->set_table_alias('comments', 'bcmt');
// Join the comment entity.
$commententity = new comment();
$commentalias = $commententity->get_table_alias('comments');
$this->add_entity($commententity
->add_join("LEFT JOIN {comments} bcmt ON bcmt.component = 'blog' AND bcmt.itemid = {$postalias}.id"));
->add_join("LEFT JOIN {comments} {$commentalias} ON {$commentalias}.component = 'blog'
AND {$commentalias}.itemid = {$postalias}.id"));
// Join the user entity to represent the comment author. Override table aliases to avoid clash with first instance.
// Join the user entity to represent the comment author.
$commenterentity = (new user())
->set_entity_name('commenter')
->set_entity_title(new lang_string('commenter', 'core_comment'))
->set_table_aliases([
'user' => 'cu',
'context' => 'cuctx',
]);
->set_entity_title(new lang_string('commenter', 'core_comment'));
$commenteralias = $commenterentity->get_table_alias('user');
$this->add_entity($commenterentity
->add_joins($commententity->get_joins())
->add_join("LEFT JOIN {user} cu ON cu.id = bcmt.userid"));
->add_join("LEFT JOIN {user} {$commenteralias} ON {$commenteralias}.id = {$commentalias}.userid"));
// Add report elements from each of the entities we added to the report.
$this->add_all_from_entity($blogentity->get_entity_name());