Change prefix to PGSQL

Two letter prefixes are too risky to cause collisions.

FossilOrigin-Name: 77c26b4fcecfc3e46c1e0b9412a9a88d0139604e2ad45e54b0c8734d464ea2c6

src/exceptions/PGSQLException.h

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2012 - 2019, 2021, 2024 Jonathan Schleifer <js@nil.im>
+ *
+ * https://fl.nil.im/objpgsql
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#import <ObjFW/ObjFW.h>
+
+#import "PGSQLConnection.h"
+
+OF_ASSUME_NONNULL_BEGIN
+
+/**
+ * @class PGSQLException PGSQLException.h ObjPgSQL/ObjPgSQL.h
+ *
+ * @brief A PostgreSQL exception.
+ */
+@interface PGSQLException: OFException
+{
+	PGSQLConnection *_connection;
+	OFString *_errorMessage;
+}
+
+/**
+ * @brief The connection for which the exception occurred.
+ */
+@property (readonly, nonatomic) PGSQLConnection *connection;
+
+/**
+ * @brief An error message for the exception.
+ */
+@property (readonly, nonatomic) OFString *errorMessage;
+
++ (instancetype)exception OF_UNAVAILABLE;
+
+/**
+ * @brief Creates a new PostgreSQL exception.
+ *
+ * @param connection The connection for which the exception occurred
+ * @return A new, autoreleased PostgreSQL exception
+ */
++ (instancetype)exceptionWithConnection: (PGSQLConnection *)connection;
+
+- (instancetype)init OF_UNAVAILABLE;
+
+/**
+ * @brief Initializes an already allocated PostgreSQL exception.
+ *
+ * @param connection The connection for which the exception occurred
+ * @return An initialized PostgreSQL exception
+ */
+- (instancetype)initWithConnection: (PGSQLConnection *)connection
+    OF_DESIGNATED_INITIALIZER;
+@end
+
+OF_ASSUME_NONNULL_END