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<?php |
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namespace WebServCo\Framework\Traits; |
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use WebServCo\Framework\AbstractDatabase as Db; |
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trait DatabaseAddQueryTrait |
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{ |
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final protected function generateAddQuery($queryType, $tableName, $addData = [], $updateData = []) |
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{ |
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$multiDimensional = is_array($addData[key($addData)]); |
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list($keys, $data) = $this->getKeysValues($addData); |
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$query = $this->generateAddQueryPrefix($queryType); |
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$query .= ' ' . $this->escapeIdentifier($tableName); |
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$query .= $this->generateAddQueryFieldsPart($tableName, $keys); |
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$query .= $this->generateAddQueryValuesPart($data, $multiDimensional); |
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if ($multiDimensional) { |
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return $query; |
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} |
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$query .= $this->generateAddQueryUpdatePart($updateData); |
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return $query; |
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} |
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final protected function getKeysValues($data = []) |
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{ |
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$multiDimensional = is_array($data[key($data)]); |
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if ($multiDimensional) { |
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$keys = array_keys(call_user_func_array('array_merge', $data)); |
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// fill any missing keys with empty data |
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$key_pair = array_combine($keys, array_fill(0, count($keys), null)); |
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$data = array_map(function ($e) use ($key_pair) { |
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return array_merge($key_pair, $e); |
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}, $data); |
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} else { |
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$keys = array_keys($data); |
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} |
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return [$keys, $data]; |
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} |
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final protected function generateAddQueryPrefix($queryType) |
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{ |
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switch ($queryType) { |
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case Db::QUERY_TYPE_REPLACE: |
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$query = Db::QUERY_TYPE_REPLACE . ' INTO'; |
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break; |
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case Db::QUERY_TYPE_INSERT_IGNORE: |
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$query = Db::QUERY_TYPE_INSERT_IGNORE . ' INTO'; |
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break; |
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case Db::QUERY_TYPE_INSERT: |
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default: |
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$query = Db::QUERY_TYPE_INSERT . ' INTO'; |
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break; |
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} |
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return $query; |
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} |
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final protected function generateAddQueryFieldsPart($tableName, $fields) |
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{ |
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return ' (' . implode( |
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', ', |
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array_map([$this, 'escapeIdentifier'], $fields) |
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) . |
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')'; |
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} |
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final protected function generateAddQueryValuesPart($data, $multiDimensional) |
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{ |
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$query = ' VALUES'; |
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if ($multiDimensional) { |
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$valuesStrings = []; |
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foreach ($data as $item) { |
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$valuesStrings[] = $this->generateValuesString($item); |
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} |
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$query .= implode(', ', $valuesStrings); |
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} else { |
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$query .= $this->generateValuesString($data); |
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} |
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return $query; |
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} |
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final protected function generateAddQueryUpdatePart($data = []) |
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{ |
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if (empty($data)) { |
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return false; |
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} |
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$strings = []; |
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foreach ($data as $k => $v) { |
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$strings[] = sprintf('%s = ?', $this->escapeIdentifier($k)); |
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} |
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$query = " ON DUPLICATE KEY UPDATE "; |
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$query .= implode(', ', $strings); |
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return $query; |
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} |
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final protected function generateValuesString($data) |
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{ |
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return ' (' . implode(', ', array_map(function ($v) { |
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return '?'; |
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}, $data)) . ')'; |
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} |
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} |
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webservco /
framework
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