Add readonly driver property to Options

Author: theodorejb

src/Options.php

@@ -32,4 +32,25 @@ class Options
      * The character used to quote identifiers.
      */
     public string $identifierQuote = '"';
+
+    public function __construct(
+        public readonly string $driver = '',
+    ) {
+        if ($this->driver === 'sqlsrv') {
+            // https://learn.microsoft.com/en-us/sql/sql-server/maximum-capacity-specifications-for-sql-server
+            $this->maxBoundParams = 2100 - 1;
+            $this->maxInsertRows = 1000;
+            $this->affectedIsRowCount = false;
+            $this->fetchNextSyntax = true;
+            $this->sqlsrvBinaryEncoding = true;
+            $this->multiRowset = true;
+        } elseif ($this->driver === 'mysql') {
+            $this->lastIdIsFirstOfBatch = true;
+            $this->identifierQuote = '`'; // needed since not everyone uses ANSI mode
+        } elseif ($this->driver === 'pgsql') {
+            $this->binarySelectedAsStream = true;
+            $this->nativeBoolColumns = true;
+            $this->floatSelectedAsString = true;
+        }
+    }
 }

src/PeachySql.php

@@ -16,33 +16,16 @@ class PeachySql
 {
     public Options $options;
     private PDO $conn;
-    private bool $usedPrepare;
+    private bool $usedPrepare = true;
 
     public function __construct(PDO $connection, ?Options $options = null)
     {
         $this->conn = $connection;
-        $this->usedPrepare = true;
 
         if ($options === null) {
+            /** @var string $driver */
             $driver = $connection->getAttribute(PDO::ATTR_DRIVER_NAME);
-            $options = new Options();
-
-            if ($driver === 'sqlsrv') {
-                // https://learn.microsoft.com/en-us/sql/sql-server/maximum-capacity-specifications-for-sql-server
-                $options->maxBoundParams = 2100 - 1;
-                $options->maxInsertRows = 1000;
-                $options->affectedIsRowCount = false;
-                $options->fetchNextSyntax = true;
-                $options->sqlsrvBinaryEncoding = true;
-                $options->multiRowset = true;
-            } elseif ($driver === 'mysql') {
-                $options->lastIdIsFirstOfBatch = true;
-                $options->identifierQuote = '`'; // needed since not everyone uses ANSI mode
-            } elseif ($driver === 'pgsql') {
-                $options->binarySelectedAsStream = true;
-                $options->nativeBoolColumns = true;
-                $options->floatSelectedAsString = true;
-            }
+            $options = new Options($driver);
         }
 
         $this->options = $options;