From e495abb1df8691e5536127928e5900b0cb13b88a Mon Sep 17 00:00:00 2001
From: Vincent Rischmann
Date: Fri, 13 Nov 2020 17:17:43 +0100
Subject: allow reading into a void value (essentially discarding the column)

---
 sqlite.zig | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'sqlite.zig')

diff --git a/sqlite.zig b/sqlite.zig
index fd5b606..487e013 100644
--- a/sqlite.zig
+++ b/sqlite.zig
@@ -224,6 +224,9 @@ pub fn Iterator(comptime Type: type) type {
                     debug.assert(columns == 1);
                     return try self.readFloat(options);
                 },
+                .Void => {
+                    debug.assert(columns == 1);
+                },
                 .Struct => {
                     std.debug.assert(columns == TypeInfo.Struct.fields.len);
                     return try self.readStruct(options);
@@ -878,6 +881,19 @@ test "sqlite: read a single integer value" {
     }
 }
 
+test "sqlite: read a single value into void" {
+    var db: Db = undefined;
+    try db.init(testing.allocator, .{ .mode = dbMode() });
+    try addTestData(&db);
+
+    const query = "SELECT age FROM user WHERE id = ?{usize}";
+
+    var stmt: Statement(.{}, ParsedQuery.from(query)) = try db.prepare(query);
+    defer stmt.deinit();
+
+    _ = try stmt.one(void, .{}, .{ .id = @as(usize, 20) });
+}
+
 test "sqlite: statement reset" {
     var db: Db = undefined;
     try db.init(testing.allocator, .{ .mode = dbMode() });
-- 
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