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better debug logs for xBestIndex

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Colin Dellow
2018-03-08 13:21:33 -05:00
parent 2d616c54fb
commit 824a416f51
4 changed files with 64 additions and 8 deletions
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13
parquet/parquet_table.cc
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@@ -6,11 +6,22 @@ ParquetTable::ParquetTable(std::string file) {
this->file = file;
}
std::string ParquetTable::columnName(int i) {
if(i == -1)
return "rowid";
return columnNames[i];
}
std::string ParquetTable::CreateStatement() {
std::unique_ptr<parquet::ParquetFileReader> reader = parquet::ParquetFileReader::OpenFile(file.data());
// TODO: parse columns from file
std::string text("CREATE TABLE x(");
auto schema = reader->metadata()->schema();
for(auto i = 0; i < schema->num_columns(); i++) {
auto _col = schema->GetColumnRoot(i);
columnNames.push_back(_col->name());
}
for(auto i = 0; i < schema->num_columns(); i++) {
auto _col = schema->GetColumnRoot(i);