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<?php |
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namespace Helix\DB\SQL; |
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use Helix\DB; |
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/** |
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* Produces datetime related expressions for the instance. |
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* |
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* @see https://sqlite.org/lang_datefunc.html |
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* @see https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html#function_date-format |
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*/ |
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trait DateTimeTrait { |
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abstract public function __toString (); |
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/** |
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* @var DB |
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*/ |
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protected $db; |
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/** |
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* `YYYY-MM-DD` |
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* |
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* @return Text |
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*/ |
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public function getDate () { |
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return Text::factory($this->db, $this->getDateTimeFormat('%Y-%m-%d')); |
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} |
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/** |
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* `YYYY-MM-DD hh:mm:ss` |
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* |
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* @return Text |
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*/ |
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public function getDateTime () { |
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return Text::factory($this->db, $this->getDateTimeFormat([ |
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'mysql' => '%Y-%m-%d %H:%i:%S', |
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'sqlite' => '%Y-%m-%d %H:%M:%S' |
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])); |
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} |
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/** |
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* Returns a text expression using a driver-appropriate format function. |
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* |
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* @param string|string[] $format Format, or formats keyed by driver name. |
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* @return Text |
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*/ |
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public function getDateTimeFormat ($format) { |
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if (is_array($format)) { |
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$format = $format[$this->db->getDriver()]; |
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} |
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$format = $this->db->quote($format); |
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if ($this->db->isSQLite()) { |
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return Text::factory($this->db, "STRFTIME({$format},{$this})"); |
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} |
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return Text::factory($this->db, "DATE_FORMAT({$this},{$format})"); |
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} |
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/** |
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* `01` to `31` |
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* |
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* @return Numeric |
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*/ |
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public function getDay () { |
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return Numeric::factory($this->db, $this->getDateTimeFormat('%d')); |
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} |
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/** |
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* `0` to `6` (Sunday is `0`) |
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* |
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* @return Numeric |
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*/ |
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public function getDayOfWeek () { |
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return Numeric::factory($this->db, $this->getDateTimeFormat('%w')); |
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} |
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/** |
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* `001` to `366` (365 + 1 during leap year) |
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* |
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* @return Numeric |
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*/ |
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public function getDayOfYear () { |
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return Numeric::factory($this->db, $this->getDateTimeFormat('%j')); |
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} |
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/** |
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* `00` to `23` |
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* |
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* @return Numeric |
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*/ |
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public function getHours () { |
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return Numeric::factory($this->db, $this->getDateTimeFormat('%H')); |
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} |
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/** |
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* `00` to `59` |
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* |
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* @return Numeric |
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*/ |
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public function getMinutes () { |
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return Numeric::factory($this->db, $this->getDateTimeFormat([ |
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'mysql' => '%i', |
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'sqlite' => '%M' |
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])); |
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} |
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/** |
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* `01` to `12` |
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* |
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* @return Numeric |
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*/ |
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public function getMonth () { |
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return Numeric::factory($this->db, $this->getDateTimeFormat('%m')); |
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} |
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/** |
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* `00` to `59` |
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* |
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* @return Numeric |
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*/ |
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public function getSeconds () { |
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return Numeric::factory($this->db, $this->getDateTimeFormat('%S')); |
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} |
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/** |
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* `00:00:00` to `23:59:59` |
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* |
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* @return Text |
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*/ |
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public function getTime () { |
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return Text::factory($this->db, $this->getDateTimeFormat([ |
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'mysql' => '%H:%i:%S', |
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'sqlite' => '%H:%M:%S' |
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])); |
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} |
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/** |
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* Unix timestamp. |
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* |
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* @return Numeric |
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*/ |
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public function getTimestamp () { |
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if ($this->db->isSQLite()) { |
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return Numeric::factory($this->db, "STRFTIME('%s',{$this})"); |
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} |
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return Numeric::factory($this->db, "UNIX_TIMESTAMP({$this})"); |
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} |
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/** |
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* `00` to `53` |
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* |
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* @return Numeric |
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*/ |
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public function getWeekOfYear () { |
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return Numeric::factory($this->db, $this->getDateTimeFormat([ |
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'mysql' => '%U', |
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'sqlite' => '%W' |
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])); |
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} |
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/** |
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* `YYYY` |
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* |
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* @return Numeric |
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*/ |
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public function getYear () { |
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return Numeric::factory($this->db, $this->getDateTimeFormat('%Y')); |
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} |
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} |
hfw /
db
