progress on in conditions with queries and enums

src/sql/condition.cpp

@@ -1,5 +1,7 @@
 #include "matador/sql/condition.hpp"
 
+#include "matador/sql/query_intermediates.hpp"
+
 namespace matador::sql {
 
 condition<column, placeholder, std::enable_if<true>::type>::condition(const column &fld, basic_condition::operand_t op, const placeholder &val)
@@ -12,17 +14,33 @@ std::string condition<column, placeholder, std::enable_if<true>::type>::evaluate
   return d.prepare_identifier(field_) + " " + operand + " " + d.next_placeholder(query.bind_vars);
 }
 
-condition<column, query_context>::condition(column col, basic_condition::operand_t op, query_context &q)
+condition<column, query_context>::condition(column col, basic_condition::operand_t op, const query_context &q)
 : basic_column_condition(std::move(col), op), query_(q)
 {}
 
 std::string condition<column, query_context>::evaluate(const dialect &d, query_context &query) const
 {
   std::string result(d.prepare_identifier(field_) + " " + operand + " (");
-  result += (")");
+  result += query_.sql + (")");
   return result;
 }
 
+condition<column, query_context> in( const column& col, const query_context &q ) {
+    return {col, basic_condition::operand_t::IN_LIST, q};
+}
+
+condition<column, query_context> in( const column& col, const query_select& q ) {
+    return in(col, q.build());
+}
+
+condition<column, std::string> like( const column& col, const std::string& val ) {
+    return {col, basic_condition::operand_t::LIKE, val};
+}
+
+condition<column, query_context> equals( const column& col, query_context& q ) {
+    return {col, basic_condition::operand_t::EQUAL, q};
+}
+
 condition<column, column> operator==(const column &a, const column &b)
 {
   return {a, basic_condition::operand_t::EQUAL, b};