insert_query_builder progress

source/orm/orm/session.cpp

@@ -4,6 +4,7 @@
 #include "matador/sql/dialect.hpp"
 
 #include "matador/query/query.hpp"
+#include "matador/query/generator.hpp"
 
 #include <stdexcept>
 
@@ -18,6 +19,41 @@ session::session(session_context&& ctx, const query::schema &scm)
 , dialect_(sql::backend_provider::instance().connection_dialect(pool_.info().type))
 , schema_(scm)
 , resolver_service_(ctx.resolver_service) {
+  using namespace matador::utils;
+  for (const auto &[type, node] : schema_) {
+    query::query_contexts queries;
+
+    // SELECT all
+    queries.select_all = query::select(node.table())
+      .from(node.name())
+      .compile(dialect_);
+    if (node.table().has_primary_key()) {
+      // SELECT one
+      queries.select_one = query::select(node.table())
+        .from(node.name())
+        .where(*node.table().primary_key_column().value() == _)
+        .compile(dialect_);
+      // UPDATE one
+      auto update_set = query::update(node.table());
+      for (const auto &col: node.table().columns()) {
+        update_set.set(col, _);
+      }
+      queries.update_one = update_set.where(*node.table().primary_key_column().value() == _)
+        .compile(dialect_);
+      // DELETE one
+      queries.delete_one = query::remove()
+        .from(node.name())
+        .where(*node.table().primary_key_column().value() == _)
+        .compile(dialect_);
+    }
+    // INSERT one
+    queries.insert = query::insert()
+      .into(node.name(), node.table())
+      .values(query::generator::placeholders(node.table().columns().size()))
+      .compile(dialect_);
+
+    contexts_by_type_[node.node().type_index()] = queries;
+  }
 }
 
 utils::result<void, utils::error> session::drop_table(const std::string &table_name) const {