diff options
| author | Constantin Michael <constantin@codesynthesis.com> | 2011-10-27 12:17:53 +0200 |
|---|---|---|
| committer | Constantin Michael <constantin@codesynthesis.com> | 2011-10-27 12:17:53 +0200 |
| commit | ef1a2f93bec26617fb2c9287bd42c9179f76165c (patch) | |
| tree | b20ecebd60e7bdce54f43b6be4cf1d2d2a07a429 | |
| parent | 796f2ab6ae9e37359f6b357a36dba1f8d925b22e (diff) | |
Refactor query_column implementations for LOB columns
| -rw-r--r-- | odb/oracle/query.hxx | 88 |
1 files changed, 11 insertions, 77 deletions
diff --git a/odb/oracle/query.hxx b/odb/oracle/query.hxx index d491cdf..ac5cfc6 100644 --- a/odb/oracle/query.hxx +++ b/odb/oracle/query.hxx @@ -1057,12 +1057,11 @@ namespace odb // predicates for these types. // - template <typename T> - struct query_column<T, id_blob> + struct LIBODB_ORACLE_EXPORT lob_query_column { // Note that we keep shalow copies of the table and column names. // - query_column (const char* table, const char* column) + lob_query_column (const char* table, const char* column) : table_ (table), column_ (column) { } @@ -1104,95 +1103,30 @@ namespace odb }; template <typename T> - struct query_column<T, id_clob> + struct query_column<T, id_blob>: lob_query_column { - // Note that we keep shalow copies of the table and column names. - // query_column (const char* table, const char* column) - : table_ (table), column_ (column) + : lob_query_column (table, column) { } + }; - const char* - table () const - { - return table_; - } - - const char* - column () const - { - return column_; - } - - // is_null, is_not_null - // - public: - query - is_null () const - { - query q (table_, column_); - q += "IS NULL"; - return q; - } - - query - is_not_null () const + template <typename T> + struct query_column<T, id_clob> + { + query_column (const char* table, const char* column) + : lob_query_column (table, column) { - query q (table_, column_); - q += "IS NOT NULL"; - return q; } - - private: - const char* table_; - const char* column_; }; template <typename T> struct query_column<T, id_nclob> { - // Note that we keep shalow copies of the table and column names. - // query_column (const char* table, const char* column) - : table_ (table), column_ (column) - { - } - - const char* - table () const - { - return table_; - } - - const char* - column () const - { - return column_; - } - - // is_null, is_not_null - // - public: - query - is_null () const - { - query q (table_, column_); - q += "IS NULL"; - return q; - } - - query - is_not_null () const + : lob_query_column (table, column) { - query q (table_, column_); - q += "IS NOT NULL"; - return q; } - - private: - const char* table_; - const char* column_; }; // Provide operator+() for using columns to construct native |