From 58c92dce9e4e81373ec0d8c0668b09697338e653 Mon Sep 17 00:00:00 2001
From: Vincent Rischmann
Date: Tue, 3 May 2022 00:24:40 +0200
Subject: allow parsing optional types in bind marker types

---
 query.zig | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'query.zig')

diff --git a/query.zig b/query.zig
index 45577a1..70ffde7 100644
--- a/query.zig
+++ b/query.zig
@@ -112,7 +112,18 @@ pub const ParsedQuery = struct {
                     '}' => {
                         state = .start;
 
-                        const typ = parseType(current_bind_marker_type[0..current_bind_marker_type_pos]);
+                        const type_info_string = current_bind_marker_type[0..current_bind_marker_type_pos];
+                        // Handles optional types
+                        const typ = if (type_info_string[0] == '?') blk: {
+                            const child_type = parseType(type_info_string[1..]);
+                            break :blk @Type(std.builtin.TypeInfo{
+                                .Optional = .{
+                                    .child = child_type,
+                                },
+                            });
+                        } else blk: {
+                            break :blk parseType(type_info_string);
+                        };
 
                         parsed_query.bind_markers[parsed_query.nb_bind_markers].typed = typ;
                         parsed_query.nb_bind_markers += 1;
@@ -252,6 +263,10 @@ test "parsed query: bind markers types" {
                 .query = "foobar " ++ prefix,
                 .expected_marker = .{ .typed = null },
             },
+            .{
+                .query = "foobar " ++ prefix ++ "{?[]const u8}",
+                .expected_marker = .{ .typed = ?[]const u8 },
+            },
         };
 
         inline for (testCases) |tc| {
-- 
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