647bd7db58
- BC Break: Project folder structure changed. Removed `app/main` dir. - BC Break: Core _PHP_ framework + dependencies moved into `composer.json` and are no longer part of this repo
118 lines
3.0 KiB
PHP
118 lines
3.0 KiB
PHP
<?php
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namespace Exodus4D\Pathfinder\Lib\Db;
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use DB\SQL\Schema;
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class Sql extends \DB\SQL {
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/**
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* SQL constructor.
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* @param $dsn
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* @param null $user
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* @param null $pw
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* @param array|null $options
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*/
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public function __construct($dsn, $user = null, $pw = null, array $options = null){
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parent::__construct($dsn, $user, $pw, $options);
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}
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/**
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* get DB DSN config string
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* @return string
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*/
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public function getDSN() : string {
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return $this->dsn;
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}
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/**
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* get all table names
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* @return array|bool
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*/
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public function getTables(){
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$schema = new Schema($this);
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return $schema->getTables();
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}
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/**
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* checks whether a table exists or not
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* @param string $table
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* @return bool
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*/
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public function tableExists(string $table) : bool {
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return in_array($table, $this->getTables());
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}
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/**
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* get current row (data) count for an existing table
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* -> returns 0 if table not exists or empty
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* @param string $table
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* @return int
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*/
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public function getRowCount(string $table) : int {
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$count = 0;
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if($this->tableExists($table)){
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$countRes = $this->exec("SELECT COUNT(*) `num` FROM " . $this->quotekey($table));
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if(isset($countRes[0]['num'])){
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$count = (int)$countRes[0]['num'];
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}
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}
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return $count;
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}
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/**
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* @param string|null $table
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* @return array|null
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*/
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public function getTableStatus(?string $table) : ?array {
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$status = null;
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$sql = "SHOW TABLE STATUS";
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$args = null;
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if(!empty($table)){
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$sql .= " LIKE :table";
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$args = [
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':table' => $table
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];
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}
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if(!empty($statusRes = $this->exec($sql, $args))){
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if(!empty($table)){
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$status = reset($statusRes);
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}else{
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$status = $statusRes;
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}
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}
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return $status;
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}
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/**
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* set some default config for this DB
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* @param string $characterSetDatabase
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* @param string $collationDatabase
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*/
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public function prepareDatabase(string $characterSetDatabase, string $collationDatabase){
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if($this->name() && $characterSetDatabase && $collationDatabase){
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// set/change default "character set" and "collation"
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$this->exec('ALTER DATABASE ' . $this->quotekey($this->name())
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. ' CHARACTER SET ' . $characterSetDatabase
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. ' COLLATE ' . $collationDatabase
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);
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}
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}
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/**
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* @see https://fatfreeframework.com/3.6/sql#exec
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* @param array|string $cmds
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* @param null $args
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* @param int $ttl
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* @param bool $log (we use false as default parameter)
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* @param bool $stamp
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* @return array|FALSE|int
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*/
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function exec($cmds, $args = null, $ttl = 0, $log = false, $stamp = false) {
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return parent::exec($cmds, $args, $ttl, $log, $stamp);
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}
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} |