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<?php |
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namespace LaravelFreelancerNL\Aranguent\Query\Concerns; |
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use Illuminate\Database\Query\Builder as IlluminateQueryBuilder; |
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use Illuminate\Database\Query\Expression; |
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use LaravelFreelancerNL\Aranguent\Query\Builder; |
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trait CompilesGroups |
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{ |
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/** |
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* Compile the "group by" portions of the query. |
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* |
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* @param IlluminateQueryBuilder $query |
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* @param array<mixed> $groups |
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* @return string |
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* @throws \Exception |
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*/ |
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protected function compileGroups(IlluminateQueryBuilder $query, $groups): string |
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{ |
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assert($query instanceof Builder); |
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$aql = "COLLECT "; |
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$aqlGroups = []; |
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foreach ($groups as $group) { |
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if ($group instanceof Expression) { |
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$groupVariable = $this->extractGroupVariable($group); |
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; |
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$query->registerTableAlias($groupVariable, $groupVariable); |
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$aqlGroups[] = $group->getValue($this); |
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continue; |
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} |
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$aqlGroups[] = $group . " = " . $this->normalizeColumn($query, $group); |
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$query->registerTableAlias($group, $group); |
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$query->groupVariables[] = $group; |
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} |
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$aql .= implode(", ", $aqlGroups); |
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$variablesToKeep = $this->keepColumns($query, $groups); |
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if (!empty($variablesToKeep)) { |
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$query->registerTableAlias('groupsVariable', 'groupsVariable'); |
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$query->groupVariables[] = 'groupsVariable'; |
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$aql .= ' INTO groupsVariable = ' . $this->generateAqlObject($variablesToKeep); |
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} |
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return $aql; |
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} |
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/** |
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* @param IlluminateQueryBuilder $query |
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* @param array<mixed> $groups |
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* @return array<string> |
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* @throws \Exception |
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*/ |
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protected function keepColumns(IlluminateQueryBuilder $query, $groups) |
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{ |
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if (is_null($query->columns)) { |
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return []; |
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} |
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$tempGroups = []; |
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foreach ($groups as $group) { |
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if ($group instanceof Expression) { |
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$tempGroups[] = $this->extractGroupVariable($group); |
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continue; |
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} |
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$tempGroups[] = $group; |
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} |
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$diff = array_diff_assoc($query->columns, $tempGroups); |
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$results = []; |
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foreach ($diff as $key => $value) { |
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if (is_numeric($key)) { |
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$results[$value] = $this->normalizeColumn($query, $value); |
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continue; |
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} |
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$results[$key] = $this->normalizeColumn($query, $value); |
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} |
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return $results; |
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} |
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protected function extractGroupVariable(Expression $group): string |
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{ |
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return explode(' = ', (string) $group->getValue($this))[0]; |
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} |
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} |
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LaravelFreelancerNL /
laravel-arangodb
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