setop/sqlite-parquet-vtable
1
0
Fork 0
mirror of https://github.com/cldellow/sqlite-parquet-vtable.git synced 2025-09-14 22:39:59 +00:00
Code Releases Activity

Boolean, INT96, INT64

Browse Source
This commit is contained in:
Colin Dellow
2018-03-03 20:00:50 -05:00
parent 1de843fca8
commit eb0b48f867
6 changed files with 135 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
parquet/parquet.cc
View File

@@ -171,33 +171,44 @@ static int parquetColumn(
sqlite3_result_null(ctx);
} else {
switch(cursor->getPhysicalType(col)) {
case parquet::Type::BOOLEAN:
case parquet::Type::INT32:
{
int rv = cursor->getInt(col);
int rv = cursor->getInt32(col);
sqlite3_result_int(ctx, rv);
break;
}
break;
case parquet::Type::DOUBLE:
{
double rv = cursor->getDouble(col);
sqlite3_result_double(ctx, rv);
break;
}
break;
case parquet::Type::BYTE_ARRAY:
{
parquet::ByteArray* rv = cursor->getByteArray(col);
sqlite3_result_text(ctx, (const char*)rv->ptr, rv->len, SQLITE_TRANSIENT);
break;
}
break;
case parquet::Type::BOOLEAN:
case parquet::Type::INT64:
case parquet::Type::FLOAT:
case parquet::Type::INT96:
// This type exists to store timestamps in nanoseconds due to legacy
// reasons. We just interpret it as a timestamp in milliseconds.
case parquet::Type::INT64:
{
long rv = cursor->getInt64(col);
sqlite3_result_int64(ctx, rv);
break;
}
case parquet::Type::FLOAT:
case parquet::Type::FIXED_LEN_BYTE_ARRAY:
default:
throw std::invalid_argument("cannot handle this type");
// Should be impossible to get here as we should have forbidden this at
// CREATE time -- maybe file changed underneath us?
std::ostringstream ss;
ss << __FILE__ << ":" << __LINE__ << ": column " << col << " has unsupported type: " <<
parquet::TypeToString(cursor->getPhysicalType(col));
throw std::invalid_argument(ss.str());
break;
}
}