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- Add option for reset query or not at get, getFirts, buildQuery and count

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- Add sql_calc_found_rows method.
- Add found_rows method.
- Improve count method usind sql_calc_found_rows and found_rows.
This commit is contained in:
kj 2021-08-14 17:30:03 -04:00
parent 9785954870
commit e3b97601e2
1 changed files with 185 additions and 148 deletions
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107
src/Libs/ModelMySQL.php
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@ -26,16 +26,17 @@ class ModelMySQL {
static protected $tableSufix = 's'; static protected $tableSufix = 's';
static protected $db; static protected $db;
static protected $querySelect = [ static protected $querySelect = [
'select' => ['*'], 'select' => ['*'],
'where' => '', 'where' => '',
'from' => '', 'from' => '',
'leftJoin' => '', 'leftJoin' => '',
'rightJoin' => '', 'rightJoin' => '',
'innerJoin' => '', 'innerJoin' => '',
'AndOr' => '', 'AndOr' => '',
'orderBy' => '', 'orderBy' => '',
'groupBy' => '', 'groupBy' => '',
'limit' => '', 'limit' => '',
'sql_calc_found_rows' => false
]; ];
/* /*
@ -84,16 +85,17 @@ class ModelMySQL {
*/ */
protected static function resetQuery() { protected static function resetQuery() {
static::$querySelect = [ static::$querySelect = [
'select' => ['*'], 'select' => ['*'],
'where' => '', 'where' => '',
'from' => '', 'from' => '',
'leftJoin' => '', 'leftJoin' => '',
'rightJoin' => '', 'rightJoin' => '',
'innerJoin' => '', 'innerJoin' => '',
'AndOr' => '', 'AndOr' => '',
'orderBy' => '', 'orderBy' => '',
'groupBy' => '', 'groupBy' => '',
'limit' => '', 'limit' => '',
'sql_calc_found_rows' => false
]; ];
} }
@ -101,11 +103,17 @@ class ModelMySQL {
* Construye la sentencia SQL a partir static::$querySelect y una vez * Construye la sentencia SQL a partir static::$querySelect y una vez
* construída, llama a resetQuery. * construída, llama a resetQuery.
* *
* @param boolean $resetQuery
* Indica si el query debe reiniciarse o no (por defecto es true).
*
* @return string * @return string
* Contiene la sentencia SQL. * Contiene la sentencia SQL.
*/ */
protected static function buildQuery() { protected static function buildQuery($resetQuery = true) {
$sql = 'SELECT '.join(', ', static::$querySelect['select']); if (static::$querySelect['sql_calc_found_rows'])
$sql = 'SELECT SQL_CALC_FOUND_ROWS '.join(', ', static::$querySelect['select']);
else
$sql = 'SELECT '.join(', ', static::$querySelect['select']);
if (static::$querySelect['from'] != '') { if (static::$querySelect['from'] != '') {
$sql .= ' FROM '.static::$querySelect['from']; $sql .= ' FROM '.static::$querySelect['from'];
@ -145,7 +153,8 @@ class ModelMySQL {
$sql .= ' LIMIT '.static::$querySelect['limit']; $sql .= ' LIMIT '.static::$querySelect['limit'];
} }
static::resetQuery(); if ($resetQuery)
static::resetQuery();
return $sql; return $sql;
} }
@ -616,22 +625,44 @@ class ModelMySQL {
/* /*
* Retorna la cantidad de filas que hay en un query. * Retorna la cantidad de filas que hay en un query.
* *
* @param boolean $resetQuery
* Indica si el query debe reiniciarse o no (por defecto es true).
*
* @return int * @return int
*/ */
public static function count() { public static function count($resetQuery = true) {
if (static::$querySelect['select'] == ['*']) static::$querySelect['select'] = ['1'];
static::$querySelect['select'] = ['count(*) as quantity']; static::$querySelect['sql_calc_found_rows'] = true;
else static::$querySelect['limit'] = '1';
static::$querySelect['select'][] = 'count(*) as quantity'; $sql = static::buildQuery($resetQuery);
$sql = static::buildQuery();
$result = static::query($sql)->fetch_assoc(); $result = static::query($sql)->fetch_assoc();
return static::found_row();
}
/*
* Retorna las filas contadas en el último query.
*
* @return int
*/
public static function found_row() {
$result = static::query('SELECT FOUND_ROWS() AS quantity')->fetch_assoc();
return $result['quantity']; return $result['quantity'];
} }
/* /*
* Obtiene una instancia según su id. * Habilita el conteo de todos las coincidencias posibles incluso usando limit.
*
* @return ModelMySQL
*/
public static function sql_calc_found_rows() {
static::$querySelect['sql_calc_found_rows'] = true;
return new static();
}
/*
* Obtiene una instancia según su primary key (generalmente id).
* *
* @param int $id * @param mixed $id
* @return ModelMySQL * @return ModelMySQL
*/ */
public static function getById($id) { public static function getById($id) {
@ -674,10 +705,13 @@ class ModelMySQL {
/* /*
* Obtener los resultados de la consulta SQL. * Obtener los resultados de la consulta SQL.
* *
* @param boolean $resetQuery
* Indica si el query debe reiniciarse o no (por defecto es true).
*
* @return ModelMySQL[] * @return ModelMySQL[]
*/ */
public static function get() { // Devuelve array vacío si no encuentra nada public static function get($resetQuery = true) { // Devuelve array vacío si no encuentra nada
$sql = static::buildQuery(); $sql = static::buildQuery($resetQuery);
$result = static::query($sql); $result = static::query($sql);
$instances = []; $instances = [];
@ -692,12 +726,15 @@ class ModelMySQL {
/* /*
* El primer elemento de la consulta SQL. * El primer elemento de la consulta SQL.
* *
* @param boolean $resetQuery
* Indica si el query debe reiniciarse o no (por defecto es true).
*
* @return mixed * @return mixed
* Puede retornar un objeto ModelMySQL o null. * Puede retornar un objeto ModelMySQL o null.
*/ */
public static function getFirst() { // Devuelve null si no encuentra nada public static function getFirst($resetQuery = true) { // Devuelve null si no encuentra nada
static::limit(1); static::limit(1);
$instances = static::get(); $instances = static::get($resetQuery);
return empty($instances) ? null : $instances[0]; return empty($instances) ? null : $instances[0];
} }