From 995110e5a71fc10d869d3f0b24bfe005405a9cf2 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Sun, 20 Sep 2026 02:29:40 -0700
Subject: [PATCH] add an Error decl

---
 src/lib.zig        | 8 ++++++++
 src/postgresql.zig | 2 ++
 src/sqlite3.zig    | 8 +++++---
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/lib.zig b/src/lib.zig
index a2e35c1dc0085a6160c9abaef20cd7a6f642d8d2..79f8c37bf8865175ee07726456e454a5fb3fffa4 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -12,6 +12,14 @@ pub fn Driver(comptime etype: DriverType) type {
     };
 }
 
+pub const Error = blk: {
+    var Err: type = error{};
+    for (@typeInfo(DriverType).@"enum".fields) |f| {
+        Err = Err || Driver(@field(DriverType, f.name)).Error;
+    }
+    break :blk Err;
+};
+
 pub fn connect(_type: DriverType, allocator: std.mem.Allocator, connection: [:0]const u8) !Engine {
     return switch (_type) {
         inline else => |t| @unionInit(Engine, @tagName(t), try .connect(allocator, connection)),
diff --git a/src/postgresql.zig b/src/postgresql.zig
index 29909cac0de51b4a75fe03ef3cef1ac7b971953d..3648e0b638a6659c254dd07bada97ddb97794376 100644
--- a/src/postgresql.zig
+++ b/src/postgresql.zig
@@ -19,6 +19,8 @@ const sys = switch (builtin.target.os.tag) {
 
 const Driver = @This();
 
+pub const Error = error{};
+
 conn: net.Stream,
 bufw: nio.BufferedWriter(4096, net.Stream),
 bufr: nio.BufferedReader(4096, net.Stream),
diff --git a/src/sqlite3.zig b/src/sqlite3.zig
index 5bdcdc50855bbd4f7ab6aaae8eedc4cd33c73485..c65fd185ddb833b13d6aee863226017c913de495 100644
--- a/src/sqlite3.zig
+++ b/src/sqlite3.zig
@@ -8,6 +8,8 @@ const Driver = @This();
 const SQLITE_STATIC: *allowzero anyopaque = @ptrFromInt(0);
 const SQLITE_TRANSIENT: *allowzero anyopaque = @ptrFromInt(std.math.maxInt(usize));
 
+pub const Error = s.Error || error{Overflow};
+
 db: *c.sqlite3,
 
 pub fn connect(allocator: std.mem.Allocator, path: [:0]const u8) !Driver {
@@ -230,7 +232,7 @@ pub const s = struct {
         SQLITE_NOTICE,
         SQLITE_WARNING,
     };
-    pub fn rc2e(code: c_int) Error {
+    pub fn rc2e(code: c_int) s.Error {
         if (code == c.SQLITE_ERROR) return error.SQLITE_ERROR;
         if (code == c.SQLITE_INTERNAL) return error.SQLITE_INTERNAL;
         if (code == c.SQLITE_PERM) return error.SQLITE_PERM;
@@ -261,7 +263,7 @@ pub const s = struct {
         if (code == c.SQLITE_WARNING) return error.SQLITE_WARNING;
         return error.Unexpected;
     }
-    pub fn rc2p(code: c_int) Error {
+    pub fn rc2p(code: c_int) s.Error {
         if (builtin.mode == .Debug) @panic(std.mem.sliceTo(c.sqlite3_errstr(code), 0));
         return rc2e(code);
     }
@@ -273,7 +275,7 @@ pub const s = struct {
         if (code == c.SQLITE_OK) return;
         return rc2p(code);
     }
-    pub fn rc2p_d(db: *c.sqlite3, code: c_int) Error {
+    pub fn rc2p_d(db: *c.sqlite3, code: c_int) s.Error {
         if (builtin.mode == .Debug) @panic(std.mem.sliceTo(c.sqlite3_errmsg(db), 0));
         return rc2e(code);
     }
-- 
2.54.0