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<?php |
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namespace ByJG\AnyDataset\Store\Helpers; |
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use ByJG\AnyDataset\DbDriverInterface; |
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use ByJG\AnyDataset\DbFunctionsInterface; |
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use DateTime; |
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abstract class DbBaseFunctions implements DbFunctionsInterface |
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{ |
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const DMY = "d-m-Y"; |
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const MDY = "m-d-Y"; |
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const YMD = "Y-m-d"; |
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const DMYH = "d-m-Y H:i:s"; |
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const MDYH = "m-d-Y H:i:s"; |
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const YMDH = "Y-m-d H:i:s"; |
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/** |
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* Given two or more string the system will return the string containing the proper |
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* SQL commands to concatenate these string; |
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* use: |
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* for ($i = 0, $numArgs = func_num_args(); $i < $numArgs ; $i++) |
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* to get all parameters received. |
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* |
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* @param string $str1 |
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* @param string|null $str2 |
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* @return string |
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*/ |
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abstract public function concat($str1, $str2 = null); |
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/** |
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* Given a SQL returns it with the proper LIMIT or equivalent method included |
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* |
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* @param string $sql |
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* @param int $start |
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* @param int $qty |
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* @return string |
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*/ |
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abstract public function limit($sql, $start, $qty = null); |
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/** |
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* Given a SQL returns it with the proper TOP or equivalent method included |
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* |
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* @param string $sql |
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* @param int $qty |
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* @return string |
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*/ |
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abstract public function top($sql, $qty); |
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/** |
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* Return if the database provider have a top or similar function |
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* |
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* @return bool |
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*/ |
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public function hasTop() |
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{ |
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return false; |
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} |
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/** |
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* Return if the database provider have a limit function |
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* |
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* @return bool |
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*/ |
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public function hasLimit() |
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{ |
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return false; |
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} |
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/** |
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* Format date column in sql string given an input format that understands Y M D |
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* |
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* @param string $format |
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* @param string|bool $column |
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* @return string |
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* @example $db->getDbFunctions()->SQLDate("d/m/Y H:i", "dtcriacao") |
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*/ |
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abstract public function sqlDate($format, $column = null); |
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protected function prepareSqlDate($input, $pattern, $delimitString = "'") |
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{ |
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$prepareString = preg_split('/([YyMmQqDdhHisaA])/', $input, -1, PREG_SPLIT_DELIM_CAPTURE); |
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foreach ($prepareString as $key => $value) { |
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if ('' === $value) { |
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unset($prepareString[$key]); |
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continue; |
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} |
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if (isset($pattern[$value])) { |
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$formatted = $pattern[$value]; |
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} else { |
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$formatted = $delimitString . $value . $delimitString; |
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} |
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$prepareString[$key] = $formatted; |
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} |
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return $prepareString; |
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} |
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/** |
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* Format a string date to a string database readable format. |
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* |
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* @param string $date |
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* @param string $dateFormat |
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* @return string |
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*/ |
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public function toDate($date, $dateFormat) |
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{ |
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$dateTime = DateTime::createFromFormat($dateFormat, $date); |
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return $dateTime->format(self::YMDH); |
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} |
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/** |
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* Format a string database readable format to a string date in a free format. |
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* |
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* @param string $date |
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* @param string $dateFormat |
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* @return string |
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*/ |
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public function fromDate($date, $dateFormat) |
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{ |
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$dateTime = DateTime::createFromFormat(self::YMDH, $date); |
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return $dateTime->format($dateFormat); |
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} |
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/** |
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* @param DbDriverInterface $dbdataset |
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* @param string $sql |
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* @param array $param |
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* @return int |
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*/ |
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public function executeAndGetInsertedId(DbDriverInterface $dbdataset, $sql, $param) |
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{ |
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$dbdataset->execute($sql, $param); |
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return -1; |
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} |
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protected $deliFieldLeft = ''; |
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protected $deliFieldRight = ''; |
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protected $deliTableLeft = ''; |
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protected $deliTableRight = ''; |
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/** |
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* @param array|string $field |
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* @return mixed |
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*/ |
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public function delimiterField($field) |
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{ |
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$result = []; |
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foreach ((array)$field as $fld) { |
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$fldAr = explode('.', $fld); |
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$result[] = $this->deliFieldLeft |
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. implode($this->deliFieldRight . '.' . $this->deliFieldLeft, $fldAr) |
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. $this->deliFieldRight; |
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} |
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if (is_string($field)) { |
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return $result[0]; |
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} |
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return $result; |
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} |
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public function delimiterTable($table) |
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{ |
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$tableAr = explode('.', $table); |
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return $this->deliTableLeft |
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. implode($this->deliTableRight . '.' . $this->deliTableLeft, $tableAr) |
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. $this->deliTableRight; |
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} |
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1 |
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public function forUpdate($sql) |
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{ |
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1 |
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if (!preg_match('#\bfor update\b#i', $sql)) { |
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1 |
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$sql = $sql . " FOR UPDATE "; |
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1 |
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} |
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return $sql; |
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} |
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abstract public function hasForUpdate(); |
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} |
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byjg /
anydataset
