File: src/query/Query.php

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File: src/query/Query.php
Role: Class source
Content type: text/plain
Description: Class source
Class: Queasy DB
Execute queries by accessing class variables
Author: By
Last change:
Date: 6 months ago
Size: 1,853 bytes
 

Contents

Class file image Download
<?php

namespace queasy\db\query;

use
PDO;

use
queasy\helper\Strings;

use
queasy\db\DbException;

class
Query extends AbstractQuery
{
   
/**
     * Executes SQL query.
     *
     * @param array $params Query arguments
     *
     * @return PDOStatement PDOStatement instance used to run query
     *
     * @throws DbException On error
     */
   
public function run(array $params = array(), array $options = array())
    {
       
$this->logger()->debug(sprintf('%s::run(): SQL: %s', get_class($this), $this->sql()), $params);

       
$statement = $this->pdo()->prepare($this->sql(), $options);
       
$statement->closeCursor(); // Avoid error with not closed recordset

       
$counter = 1;
        foreach (
$params as $paramKey => $paramValue) {
           
// Detect parameter type
           
$paramType = $this->getParamType($paramValue);

           
$bindKey = is_int($paramKey)
                ?
$counter++
                : (
Strings::startsWith($paramKey, ':')
                    ?
$paramKey
                   
: ':' . $paramKey
               
);

           
$statement->bindValue(
               
$bindKey,
               
$paramValue,
               
$paramType
           
);
        }

        if (!
$statement->execute()) {
            list(
$sqlErrorCode, $errorMessage, $errorMessage) = $statement->errorInfo();

            throw new
DbException(sprintf('Statement failed to execute. Error code: "%s", error message: "%s".', $sqlErrorCode, $errorMessage));
        }

        return
$statement;
    }

    protected function
getParamType($value)
    {
        if (
null === $value) {
            return
PDO::PARAM_NULL;
        }

        if (
is_int($value)) {
            return
PDO::PARAM_INT;
        }

        if (
is_bool($value)) {
            return
PDO::PARAM_BOOL;
        }

        return
PDO::PARAM_STR;
    }
}


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