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<?php |
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namespace ByJG\AnyDataset\Database\Expressions; |
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use ByJG\AnyDataset\Database\SqlHelper; |
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class DbPgsqlFunctions extends DbBaseFunctions |
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{ |
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public function concat($str1, $str2 = null) |
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{ |
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return implode(func_get_args(), ' || '); |
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} |
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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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* @param string $sql |
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* @param int $start |
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* @param int $qty |
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* @return string |
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*/ |
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public function limit($sql, $start, $qty = null) |
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{ |
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if (is_null($qty)) { |
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$qty = 50; |
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} |
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if (stripos($sql, ' LIMIT ') === false) { |
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$sql = $sql . " LIMIT x OFFSET y"; |
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} |
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return preg_replace( |
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'~(\s[Ll][Ii][Mm][Ii][Tt])\s.*?\s([Oo][Ff][Ff][Ss][Ee][Tt])\s.*~', |
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'$1 ' . $qty .' $2 ' .$start, |
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$sql |
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); |
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} |
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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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* @param string $sql |
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* @param int $qty |
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* @return string |
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*/ |
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public function top($sql, $qty) |
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{ |
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return $this->limit($sql, 0, $qty); |
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} |
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/** |
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* Return if the database provider have a top or similar function |
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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 true; |
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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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* @return bool |
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*/ |
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public function hasLimit() |
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{ |
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return true; |
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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|null $column |
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* @return string |
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* @example $db->getDbFunctions()->SQLDate("d/m/Y H:i", "dtcriacao") |
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*/ |
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public function sqlDate($format, $column = null) |
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{ |
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if (is_null($column)) { |
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$column = 'current_timestamp'; |
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} |
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$pattern = [ |
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'Y' => "YYYY", |
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'y' => "YY", |
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'M' => "Mon", |
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'm' => "MM", |
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'Q' => "Q", |
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'q' => "Q", |
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'D' => "DD", |
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'd' => "DD", |
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'h' => "HH", |
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'H' => "HH24", |
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'i' => "MI", |
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's' => "SS", |
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'a' => "AM", |
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'A' => "AM", |
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]; |
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return sprintf( |
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"TO_CHAR(%s,'%s')", |
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$column, |
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implode('', $this->prepareSqlDate($format, $pattern, '')) |
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); |
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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, $dateFormat) |
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{ |
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return parent::toDate($date, $dateFormat); |
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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, $dateFormat) |
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{ |
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return parent::fromDate($date, $dateFormat); |
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} |
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public function executeAndGetInsertedId($dbdataset, $sql, $param, $sequence = null) |
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{ |
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$idInserted = parent::executeAndGetInsertedId($dbdataset, $sql, $param); |
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$iterator = $dbdataset->getIterator( |
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SqlHelper::createSafeSQL( |
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"select currval(':sequence') id", |
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array(':sequence' => $sequence) |
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) |
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); |
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if ($iterator->hasNext()) { |
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$singleRow = $iterator->moveNext(); |
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$idInserted = $singleRow->getField("id"); |
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} |
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return $idInserted; |
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} |
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} |
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byjg /
anydataset
