Explicitly set alias; fixes #80 (#82)

Author: liuzicheng1987

include/sqlgen/dynamic/Column.hpp

@@ -3,7 +3,6 @@
 
 #include <optional>
 #include <string>
-#include <vector>
 
 #include "Type.hpp"
 #include "types.hpp"

include/sqlgen/dynamic/Table.hpp

@@ -1,17 +1,17 @@
 #ifndef SQLGEN_DYNAMIC_TABLE_HPP_
 #define SQLGEN_DYNAMIC_TABLE_HPP_
 
+#include <optional>
 #include <string>
-#include <vector>
 
 #include "Column.hpp"
 
 namespace sqlgen::dynamic {
 
 struct Table {
-  std::optional<std::string> alias;
+  std::optional<std::string> alias = std::nullopt;
   std::string name;
-  std::optional<std::string> schema;
+  std::optional<std::string> schema = std::nullopt;
 };
 
 }  // namespace sqlgen::dynamic

include/sqlgen/dynamic/create_table.hpp

@@ -1,6 +1,7 @@
 #ifndef SQLGEN_DYNAMIC_CREATE_TABLE_HPP_
 #define SQLGEN_DYNAMIC_CREATE_TABLE_HPP_
 
+#include <optional>
 #include <string>
 #include <vector>
 
@@ -12,13 +13,17 @@ namespace sqlgen::dynamic {
 
 CreateTable create_table(const std::string& _table,
                          const std::vector<Column>& _columns) {
-  return CreateTable{.table = Table{.name = _table}, .columns = _columns};
+  return CreateTable{
+      .table =
+          Table{.alias = std::nullopt, .name = _table, .schema = std::nullopt},
+      .columns = _columns};
 }
 
 CreateTable create_table(std::string& _schema, const std::string& _table,
                          const std::vector<Column>& _columns) {
-  return CreateTable{.table = Table{.name = _table, .schema = _schema},
-                     .columns = _columns};
+  return CreateTable{
+      .table = Table{.alias = std::nullopt, .name = _table, .schema = _schema},
+      .columns = _columns};
 }
 
 }  // namespace sqlgen::dynamic

include/sqlgen/dynamic/select.hpp

@@ -1,6 +1,7 @@
 #ifndef SQLGEN_DYNAMIC_SELECT_HPP_
 #define SQLGEN_DYNAMIC_SELECT_HPP_
 
+#include <optional>
 #include <string>
 #include <vector>
 
@@ -16,7 +17,10 @@ SelectFrom select(const std::string& _table,
   for (const auto& name : _columns) {
     columns.emplace_back(Column{.name = name});
   }
-  return SelectFrom{.table = Table{.name = _table}, .columns = columns};
+  return SelectFrom{
+      .table =
+          Table{.alias = std::nullopt, .name = _table, .schema = std::nullopt},
+      .columns = columns};
 }
 
 SelectFrom select(const std::string& _schema, const std::string& _table,
@@ -25,7 +29,8 @@ SelectFrom select(const std::string& _schema, const std::string& _table,
   for (const auto& name : _columns) {
     columns.emplace_back(Column{.name = name});
   }
-  return SelectFrom{.table = Table{.name = _table, .schema = _schema},
-                    .columns = columns};
+  return SelectFrom{
+      .table = Table{.alias = std::nullopt, .name = _table, .schema = _schema},
+      .columns = columns};
 }
 }  // namespace sqlgen::dynamic

include/sqlgen/transpilation/read_to_select_from.hpp

@@ -42,8 +42,9 @@ dynamic::SelectFrom read_to_select_from(const WhereType& _where = WhereType{},
       }));
 
   return dynamic::SelectFrom{
-      .table_or_query =
-          dynamic::Table{.name = get_tablename<T>(), .schema = get_schema<T>()},
+      .table_or_query = dynamic::Table{.alias = std::nullopt,
+                                       .name = get_tablename<T>(),
+                                       .schema = get_schema<T>()},
       .fields = fields,
       .where = to_condition<std::remove_cvref_t<T>>(_where),
       .order_by = to_order_by<OrderByType>(),

include/sqlgen/transpilation/to_create_as.hpp

@@ -29,8 +29,9 @@ dynamic::CreateAs to_create_as(const dynamic::CreateAs::What _what,
                                const LimitType& _limit) {
   return dynamic::CreateAs{
       .what = _what,
-      .table_or_view =
-          dynamic::Table{.name = get_tablename<T>(), .schema = get_schema<T>()},
+      .table_or_view = dynamic::Table{.alias = std::nullopt,
+                                      .name = get_tablename<T>(),
+                                      .schema = get_schema<T>()},
       .query = to_select_from<TableTupleType, AliasType, FieldsType,
                               TableOrQueryType, JoinsType, WhereType,
                               GroupByType, OrderByType, LimitType>(

include/sqlgen/transpilation/to_create_index.hpp

@@ -1,6 +1,7 @@
 #ifndef SQLGEN_TRANSPILATION_TO_CREATE_INDEX_HPP_
 #define SQLGEN_TRANSPILATION_TO_CREATE_INDEX_HPP_
 
+#include <optional>
 #include <rfl.hpp>
 #include <string>
 #include <type_traits>
@@ -24,8 +25,9 @@ dynamic::CreateIndex to_create_index(const std::string& _name,
                                      const WhereType& _where) {
   return dynamic::CreateIndex{
       .name = _name,
-      .table =
-          dynamic::Table{.name = get_tablename<T>(), .schema = get_schema<T>()},
+      .table = dynamic::Table{.alias = std::nullopt,
+                              .name = get_tablename<T>(),
+                              .schema = get_schema<T>()},
       .columns = ColumnsType::to_vec(),
       .unique = _unique,
       .if_not_exists = _if_not_exists,

include/sqlgen/transpilation/to_create_table.hpp

@@ -29,8 +29,9 @@ dynamic::CreateTable to_create_table(const bool _if_not_exists = true) {
                 "You cannot create a view using create_table(...).");
 
   return dynamic::CreateTable{
-      .table =
-          dynamic::Table{.name = get_tablename<T>(), .schema = get_schema<T>()},
+      .table = dynamic::Table{.alias = std::nullopt,
+                              .name = get_tablename<T>(),
+                              .schema = get_schema<T>()},
       .columns = make_columns<Fields>(
           std::make_integer_sequence<int, rfl::tuple_size_v<Fields>>()),
       .if_not_exists = _if_not_exists};

include/sqlgen/transpilation/to_delete_from.hpp

@@ -24,8 +24,9 @@ dynamic::DeleteFrom to_delete_from(const WhereType& _where) {
                 "You cannot call delete_from on a view.");
 
   return dynamic::DeleteFrom{
-      .table =
-          dynamic::Table{.name = get_tablename<T>(), .schema = get_schema<T>()},
+      .table = dynamic::Table{.alias = std::nullopt,
+                              .name = get_tablename<T>(),
+                              .schema = get_schema<T>()},
       .where = to_condition<std::remove_cvref_t<T>>(_where)};
 }
 

include/sqlgen/transpilation/to_drop.hpp

@@ -23,7 +23,8 @@ dynamic::Drop to_drop(const dynamic::Drop::What _what, const bool _if_exists,
   return dynamic::Drop{.what = _what,
                        .if_exists = _if_exists,
                        .cascade = _cascade,
-                       .table = dynamic::Table{.name = get_tablename<T>(),
+                       .table = dynamic::Table{.alias = std::nullopt,
+                                               .name = get_tablename<T>(),
                                                .schema = get_schema<T>()}};
 }