fix: Fix type overrides not working with sqlc.slice (#2351)

* Add incorrect test-case that showcases overrides not working with sqlc.slice

The new method should've taken a []mysql.ID instead

* Fix type overrides not working with sqlc.slice

Author: Jille

internal/codegen/golang/go_type.go

@@ -41,6 +41,9 @@ func goType(req *plugin.CodeGenRequest, col *plugin.Column) string {
 		}
 		sameTable := sdk.Matches(oride, col.Table, req.Catalog.DefaultSchema)
 		if oride.Column != "" && sdk.MatchString(oride.ColumnName, cname) && sameTable {
+			if col.IsSqlcSlice {
+				return "[]" + oride.GoType.TypeName
+			}
 			return oride.GoType.TypeName
 		}
 	}

internal/endtoend/testdata/sqlc_slice/mysql/go/models.go

@@ -1,4 +1,4 @@
-CREATE TABLE foo (id int not null, name text not null, bar text null);
+CREATE TABLE foo (id int not null, name text not null, bar text null, mystr text not null);
 
 /* name: FuncParamIdent :many */
 SELECT name FROM foo
@@ -20,4 +20,8 @@ WHERE id IN (sqlc.slice(favourites));
 
 /* name: FuncNullable :many */
 SELECT bar FROM foo
-WHERE id IN (sqlc.slice('favourites'));
+WHERE id IN (sqlc.slice('favourites'));
+
+/* name: TypedMyStr :many */
+SELECT bar FROM foo
+WHERE mystr IN (sqlc.slice(mystr));

internal/endtoend/testdata/sqlc_slice/mysql/go/query.sql.go

@@ -8,5 +8,11 @@
       "schema": "query.sql",
       "queries": "query.sql"
     }
+  ],
+  "overrides": [
+    {
+    "column": "foo.mystr",
+    "go_type": "github.com/kyleconroy/sqlc-testdata/mysql.ID"
+    }
   ]
 }