Results for “Encoding & structured values”
Small, practical examples. Search by task or narrow things down below.
Make a pair of columns unique together
Postgres: A composite primary key permits repeated individual values while forbidding a duplicate combination.
Postgres✓ Tested
Make a pair of columns unique together
SQLite: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQLite✓ Tested
Match one value from a short list
SQL: Use IN for a set of allowed values.
SQL✓ Tested
Match one value from a short list
SQL Server: Use IN for a set of allowed values.
SQL Server✓ Tested
Match one value from a short list
Postgres: Use IN for a set of allowed values.
Postgres✓ Tested
Match one value from a short list
SQLite: Use IN for a set of allowed values.
SQLite✓ Tested
Narrow a union using typeof
Handle text and numeric values with separate branches.
union✓ Tested
Number rows within each group
Assign ordered row numbers with a window function.
row_number✓ Tested
Parse a GUID without an exception
C#: TryParse reports malformed values with a boolean return.
C#✓ Tested
Parse a JSON string
Convert a JSON string into a Python dictionary and read values by key.
json✓ Tested
Parse an enum name without throwing
C#: Combine TryParse and IsDefined when only named declared values should be accepted.
C#✓ Tested
Partition a collection by a predicate
Java: Use partitioningBy to retain both matching and nonmatching values.
Java✓ Tested