Add dynamic multi-database query support

1 files changed, 16 insertions, 6 deletions

diff --git a/odb/oracle/traits.hxx b/odb/oracle/traits.hxx
index 0f7c635..2cbce04 100644
--- a/odb/oracle/traits.hxx
+++ b/odb/oracle/traits.hxx
@@ -556,7 +556,6 @@ namespace odb
     {
     public:
       typedef const char* value_type;
-      typedef const char* query_type;
       typedef char* image_type;
 
       static void
@@ -581,34 +580,40 @@ namespace odb
     struct LIBODB_ORACLE_EXPORT default_value_traits<const char*, id_string>:
       c_string_value_traits
     {
+      typedef const char* query_type;
     };
 
     template <>
     struct LIBODB_ORACLE_EXPORT default_value_traits<const char*, id_nstring>:
       c_string_value_traits
     {
+      typedef const char* query_type;
     };
 
     template <std::size_t N>
     struct default_value_traits<char[N], id_string>: c_string_value_traits
     {
+      typedef char query_type[N];
     };
 
     template <std::size_t N>
     struct default_value_traits<const char[N], id_string>:
       c_string_value_traits
     {
+      typedef const char query_type[N];
     };
 
     template <std::size_t N>
     struct default_value_traits<char[N], id_nstring>: c_string_value_traits
     {
+      typedef char query_type[N];
     };
 
     template <std::size_t N>
     struct default_value_traits<const char[N], id_nstring>:
       c_string_value_traits
     {
+      typedef const char query_type[N];
     };
 
     // std::vector<char> (buffer) specialization for RAW.
@@ -698,7 +703,7 @@ namespace odb
     struct default_value_traits<char[N], id_raw>
     {
       typedef char* value_type;
-      typedef const char* query_type;
+      typedef char query_type[N];
       typedef char* image_type;
 
       static void
@@ -729,7 +734,7 @@ namespace odb
     struct default_value_traits<unsigned char[N], id_raw>
     {
       typedef unsigned char* value_type;
-      typedef const unsigned char* query_type;
+      typedef unsigned char query_type[N];
       typedef char* image_type;
 
       static void
@@ -897,7 +902,6 @@ namespace odb
     {
     public:
       typedef const char* value_type;
-      typedef const char* query_type;
       typedef lob_callback image_type;
 
       static void
@@ -925,36 +929,42 @@ namespace odb
     struct LIBODB_ORACLE_EXPORT default_value_traits<const char*, id_clob>:
       c_string_lob_value_traits
     {
+      typedef const char* query_type;
     };
 
     template <>
     struct LIBODB_ORACLE_EXPORT default_value_traits<const char*, id_nclob>:
       c_string_lob_value_traits
     {
+      typedef const char* query_type;
     };
 
     template <std::size_t N>
     struct default_value_traits<char[N], id_clob>:
       c_string_lob_value_traits
     {
+      typedef char query_type[N];
     };
 
     template <std::size_t N>
     struct default_value_traits<const char[N], id_clob>:
       c_string_lob_value_traits
     {
+      typedef const char query_type[N];
     };
 
     template <std::size_t N>
     struct default_value_traits<char[N], id_nclob>:
       c_string_lob_value_traits
     {
+      typedef char query_type[N];
     };
 
     template <std::size_t N>
     struct default_value_traits<const char[N], id_nclob>:
       c_string_lob_value_traits
     {
+      typedef const char query_type[N];
     };
 
     // std::vector<char> (buffer) specialization for BLOBs.
@@ -1072,7 +1082,7 @@ namespace odb
     {
     public:
       typedef char* value_type;
-      typedef const char* query_type;
+      typedef char query_type[N];
       typedef lob_callback image_type;
 
       static void
@@ -1125,7 +1135,7 @@ namespace odb
     {
     public:
       typedef unsigned char* value_type;
-      typedef const unsigned char* query_type;
+      typedef unsigned char query_type[N];
       typedef lob_callback image_type;
 
       static void