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Re-add missing support for index hints in XML query

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Kijin Sung 2020-12-15 22:36:55 +09:00
parent 2a5d99b2df
commit a908cd9291
3 changed files with 82 additions and 0 deletions
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28
common/framework/parsers/dbqueryparser.php
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@ -80,6 +80,34 @@ class DBQueryParser extends BaseParser
$query->tables[$table->alias] = $table;
}
// Load index hints.
foreach ($xml->index_hint ?: [] as $index_hint_group)
{
$index_hint_target_db = strtolower(trim($index_hint_group['for']));
if ($index_hint_target_db !== '' && $index_hint_target_db !== 'all')
{
$index_hint_target_db = explode(',', $index_hint_target_db);
$index_hint_target_db = array_combine($index_hint_target_db, array_fill(0, count($index_hint_target_db), true));
}
else
{
$index_hint_target_db = [];
}
foreach ($index_hint_group->children() ?: [] as $tag)
{
$index_hint = new DBQuery\IndexHint;
$index_hint->target_db = $index_hint_target_db;
$index_hint->hint_type = strtoupper(trim($tag['type'])) ?: 'USE';
$index_hint->index_name = trim($tag['name']) ?: '';
$index_hint->table_name = trim($tag['table']) ?: '';
if ($index_hint->index_name)
{
$query->index_hints[] = $index_hint;
}
}
}
// Load columns.
foreach ($xml->columns ? $xml->columns->children() : [] as $tag)
{