Initial

system/Database/QueryInterface.php

@@ -0,0 +1,87 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Database;
+
+/**
+ * Interface QueryInterface
+ *
+ * Represents a single statement that can be executed against the database.
+ * Statements are platform-specific and can handle binding of binds.
+ */
+interface QueryInterface
+{
+    /**
+     * Sets the raw query string to use for this statement.
+     *
+     * @param mixed $binds
+     *
+     * @return mixed
+     */
+    public function setQuery(string $sql, $binds = null, bool $setEscape = true);
+
+    /**
+     * Returns the final, processed query string after binding, etal
+     * has been performed.
+     *
+     * @return mixed
+     */
+    public function getQuery();
+
+    /**
+     * Records the execution time of the statement using microtime(true)
+     * for it's start and end values. If no end value is present, will
+     * use the current time to determine total duration.
+     *
+     * @return mixed
+     */
+    public function setDuration(float $start, ?float $end = null);
+
+    /**
+     * Returns the duration of this query during execution, or null if
+     * the query has not been executed yet.
+     *
+     * @param int $decimals The accuracy of the returned time.
+     */
+    public function getDuration(int $decimals = 6): string;
+
+    /**
+     * Stores the error description that happened for this query.
+     */
+    public function setError(int $code, string $error);
+
+    /**
+     * Reports whether this statement created an error not.
+     */
+    public function hasError(): bool;
+
+    /**
+     * Returns the error code created while executing this statement.
+     */
+    public function getErrorCode(): int;
+
+    /**
+     * Returns the error message created while executing this statement.
+     */
+    public function getErrorMessage(): string;
+
+    /**
+     * Determines if the statement is a write-type query or not.
+     */
+    public function isWriteType(): bool;
+
+    /**
+     * Swaps out one table prefix for a new one.
+     *
+     * @return mixed
+     */
+    public function swapPrefix(string $orig, string $swap);
+}