[rdbms] Implements VARBINARY (blob) type for MySQL

catalogue/CMakeLists.txt

@@ -97,7 +97,7 @@ add_custom_command (OUTPUT sqlite_catalogue_schema.sql mysql_catalogue_schema.sq
     ${CMAKE_CURRENT_SOURCE_DIR}/mysql_catalogue_schema_header.sql 
     ${CMAKE_CURRENT_SOURCE_DIR}/common_catalogue_schema.sql 
     ${CMAKE_CURRENT_SOURCE_DIR}/mysql_catalogue_schema_trailer.sql
-    | sed 's/CHECKSUM_BLOB_TYPE/RAWBINARY\(200\)/g'
+    | sed 's/CHECKSUM_BLOB_TYPE/VARBINARY\(200\)/g'
     > mysql_catalogue_schema.sql
   COMMAND cat
     ${CMAKE_CURRENT_SOURCE_DIR}/oracle_catalogue_schema_header.sql

rdbms/wrapper/MysqlRset.cpp

@@ -79,7 +79,6 @@ bool MysqlRset::next() {
   }
 
   return true;
-  // throw exception::Exception(std::string(__FUNCTION__) + " not implemented.");
 }
 
 //------------------------------------------------------------------------------
@@ -97,7 +96,8 @@ bool MysqlRset::columnIsNull(const std::string &colName) const {
 }
 
 std::string MysqlRset::columnBlob(const std::string &colName) const {
-  throw exception::Exception("MysqlRset::columnBlob not implemented.");
+  auto blob = columnOptionalString(colName);
+  return blob ? *blob : std::string();
 }
 
 //------------------------------------------------------------------------------

rdbms/wrapper/MysqlStmt.cpp

@@ -261,7 +261,11 @@ void MysqlStmt::bindOptionalDouble(const std::string &paramName, const optional<
 }
 
 void MysqlStmt::bindBlob(const std::string &paramName, const std::string &paramValue) {
-  throw exception::Exception("MysqlStmt::bindBlob not implemented.");
+  try {
+    bindOptionalString(paramName, paramValue);
+  } catch(exception::Exception &ex) {
+    throw exception::Exception(std::string(__FUNCTION__) + " failed: " + ex.getMessage().str());
+  }
 }
 
 //------------------------------------------------------------------------------