void WhatsappDatabase::validate()
{
if (!hasTable("message_thumbnails")
|| !hasTable("messages_quotes")
|| !hasTable("messages_links")
|| !hasColumn("messages", "quoted_row_id")
|| !hasColumn("messages", "media_caption"))
{
throw Exception("It seems like you tried to open an older WhatsApp database. Please try to use an older version of WhatsApp Viewer.");
}
}
DSExprParser::Selector fieldNameToSeries(const string &name) {
if (prefixequal(name, "in.") && hasColumn(input_series, name.substr(3))) {
return make_pair(&input_series, name.substr(3));
} else if (prefixequal(name, "out.") && hasColumn(output_series, name.substr(4))) {
return make_pair(&output_series, name.substr(4));
} else if (prefixequal(name, "prev.") && hasColumn(previous_row_series, name.substr(5))) {
return make_pair(&previous_row_series, name.substr(5));
} else if (hasColumn(input_series, name)) {
return make_pair(&input_series, name);
} else if (hasColumn(output_series, name)) {
return make_pair(&output_series, name);
} else {
return DSExprParser::Selector();
}
}
void GlobalRegister::addProjectedColumn(const string& identifier, const harriet::VariableType& type)
{
if(hasColumn(identifier))
throw harriet::Exception("Provided name '" + identifier + "' for projection is not unique.");
values.emplace_back(harriet::Value::createDefault(type));
types.emplace_back(RegisterSlotInfo(nullptr, identifier, types.size(), type));
}
string ResultEntity::getColumn(string col)
{
if(hasColumn(col))
{
return record[col];
}
return "";
}
bool ResultEntity::addColumn(string col, string value)
{
if(hasColumn(col))
{
return false;
}
record.insert(make_pair(col, value));
return true;
}
bool StorageMerge::hasColumn(const String & column_name) const
{
if (column_name == "_table")
return true;
if (IStorage::hasColumn(column_name))
return true;
auto first_table = getFirstTable([](auto &&) { return true; });
if (first_table)
return first_table->hasColumn(column_name);
return false;
}
