Results for “Structured data & serialization”
Small, practical examples. Search by task or narrow things down below.
Read compressed text directly
Python: Open gzip data in text mode with an explicit encoding.
Python✓ Tested
Read named columns from a table
SQL: Choose the columns needed and request a deterministic row order.
SQL✓ Tested
Read named columns from a table
SQL Server: Choose the columns needed and request a deterministic row order.
SQL Server✓ Tested
Read rows from CSV text
Parse CSV into objects with named properties.
CSV✓ Tested
Read the byte size of a regular file
C++: file_size reads filesystem metadata without loading file contents.
C++✓ Tested
Read the last value of the complete partition
SQL: Specify an unbounded-following frame so LAST_VALUE does not stop at the current row.
SQL✓ Tested
Read the last value of the complete partition
SQL Server: Specify an unbounded-following frame so LAST_VALUE does not stop at the current row.
SQL Server✓ Tested
Read the last value of the complete partition
Postgres: Specify an unbounded-following frame so LAST_VALUE does not stop at the current row.
Postgres✓ Tested
Read the last value of the complete partition
SQLite: Specify an unbounded-following frame so LAST_VALUE does not stop at the current row.
SQLite✓ Tested
Read the next row’s value
SQL: LEAD reads a later ordered row without a self join and supports a fallback at the end.
SQL✓ Tested
Read the next row’s value
SQL Server: LEAD reads a later ordered row without a self join and supports a fallback at the end.
SQL Server✓ Tested
Read the next row’s value
Postgres: LEAD reads a later ordered row without a self join and supports a fallback at the end.
Postgres✓ Tested