diff options
| -rw-r--r-- | libdbpp/command.h | 3 | ||||
| -rw-r--r-- | libdbpp/connection.h | 12 |
2 files changed, 13 insertions, 2 deletions
diff --git a/libdbpp/command.h b/libdbpp/command.h index 90bd5e4..40b5e2a 100644 --- a/libdbpp/command.h +++ b/libdbpp/command.h @@ -26,8 +26,7 @@ namespace DB { virtual void bindNull(unsigned int i) = 0; - protected: - std::string sql; + const std::string sql; }; } diff --git a/libdbpp/connection.h b/libdbpp/connection.h index 8959840..b350842 100644 --- a/libdbpp/connection.h +++ b/libdbpp/connection.h @@ -6,6 +6,16 @@ namespace DB { class SelectCommand; class ModifyCommand; + enum BulkDeleteStyle { + BulkDeleteUsingSubSelect, + BulkDeleteUsingUsing, + BulkDeleteUsingUsingAlias, + }; + enum BulkUpdateStyle { + BulkUpdateByIteration, + BulkUpdateUsingFromSrc, + BulkUpdateUsingJoin, + }; class Connection { public: virtual ~Connection(); @@ -15,6 +25,8 @@ namespace DB { virtual int rollbackTx() const = 0; virtual bool inTx() const = 0; virtual void ping() const = 0; + virtual BulkDeleteStyle bulkDeleteStyle() const = 0; + virtual BulkUpdateStyle bulkUpdateStyle() const = 0; virtual SelectCommand * newSelectCommand(const std::string & sql) const = 0; virtual ModifyCommand * newModifyCommand(const std::string & sql) const = 0; |