vendor/illuminate/database/ConnectionInterface.php

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<?php

namespace Illuminate\Database;

use Closure;

interface ConnectionInterface
{
    /**
     * Begin a fluent query against a database table.
     *
     * @param  string  $table
     * @return \Illuminate\Database\Query\Builder
     */
    public function table($table);

    /**
     * Get a new raw query expression.
     *
     * @param  mixed  $value
     * @return \Illuminate\Database\Query\Expression
     */
    public function raw($value);

    /**
     * Run a select statement and return a single result.
     *
     * @param  string  $query
     * @param  array   $bindings
     * @param  bool  $useReadPdo
     * @return mixed
     */
    public function selectOne($query, $bindings = [], $useReadPdo = true);

    /**
     * Run a select statement against the database.
     *
     * @param  string  $query
     * @param  array   $bindings
     * @param  bool  $useReadPdo
     * @return array
     */
    public function select($query, $bindings = [], $useReadPdo = true);

    /**
     * Run a select statement against the database and returns a generator.
     *
     * @param  string  $query
     * @param  array  $bindings
     * @param  bool  $useReadPdo
     * @return \Generator
     */
    public function cursor($query, $bindings = [], $useReadPdo = true);

    /**
     * Run an insert statement against the database.
     *
     * @param  string  $query
     * @param  array   $bindings
     * @return bool