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<?php

namespace FluentForm\Framework\Database;

use Closure;

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

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

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

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

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

/**
     * Run an update statement against the database.
     *
     * @param  string  $query
     * @param  array   $bindings
     * @return int
     */
    public function update($query, $bindings = []);

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

/**
     * Execute an SQL statement and return the boolean result.
     *
     * @param  string  $query
     * @param  array   $bindings
     * @return bool
     */
    public function statement($query, $bindings = []);

/**
     * Run an SQL statement and get the number of rows affected.
     *
     * @param  string  $query
     * @param  array   $bindings
     * @return int
     */
    public function affectingStatement($query, $bindings = []);

/**
     * Run a raw, unprepared query against the PDO connection.
     *
     * @param  string  $query
     * @return bool
     */
    public function unprepared($query);

/**
     * Prepare the query bindings for execution.
     *
     * @param  array  $bindings
     * @return array
     */
    public function prepareBindings(array $bindings);

/**
     * Execute a Closure within a transaction.
     *
     * @param  \Closure  $callback
     * @return mixed
     *
     * @throws \Throwable
     */
    public function transaction(Closure $callback);

/**
     * Start a new database transaction.
     *
     * @return void
     */
    public function beginTransaction();

/**
     * Commit the active database transaction.
     *
     * @return void
     */
    public function commit();

/**
     * Rollback the active database transaction.
     *
     * @return void
     */
    public function rollBack();

/**
     * Get the number of active transactions.
     *
     * @return int
     */
    public function transactionLevel();

/**
     * Execute the given callback in "dry run" mode.
     *
     * @param  \Closure  $callback
     * @return array
     */
    public function pretend(Closure $callback);
}