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query parts progress

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sascha
2024-02-22 22:25:29 +01:00
parent 16d7fd7e76
commit 0822332669
11 changed files with 51 additions and 58 deletions
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demo/main.cpp
+9 -8
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@@ -44,17 +44,18 @@ struct book
namespace field = matador::utils::access;
field::primary_key(op, "id", id);
field::attribute(op, "title", title, 511);
field::has_one(op, "authors", book_author, matador::utils::default_foreign_attributes);
field::has_one(op, "author_id", book_author, matador::utils::default_foreign_attributes);
field::attribute(op, "published_in", published_in);
}
};
QUERY_HELPER(authors, id, first_name, last_name, date_of_birth, year_of_birth, distinguished)
QUERY_HELPER(books, id, book_author, title, published_in)
QUERY_HELPER(books, id, author_id, title, published_in)
int main()
{
using namespace matador::sql;
using namespace matador;
const std::string env_var{"MATADOR_BACKENDS_PATH"};
@@ -67,12 +68,12 @@ int main()
connection c(dns, s);
auto books = c.query()
.select<book>({matador::qh::books.id.name})
.from({"book"})
.join_left({"authors"})
.on("book.author_id"_col == "author.id"_col)
.where("book.published_in"_col < 2008 && "author.name"_col == "Michael Crichton")
.order_by("book.title").asc()
.select<book>({qh::authors.first_name})
.from(qh::books)
.join_left(qh::authors)
.on(qh::books.author_id == qh::authors.id)
.where(qh::books.published_in < 2008 && qh::authors.first_name == "Michael Crichton")
.order_by(qh::books.title).asc()
.offset(2)
.limit(5)
.str();