DuckDB Extensions
Lcs Seq functions in the RapidFuzz DuckDB extension
Function category
Lcs Seq
4 functionsLongest common subsequence — order-preserving but not adjacency-preserving.
Signature
rapidfuzz_lcs_seq_distance(col0: VARCHAR, col1: VARCHAR) → DOUBLE
Arguments (Positional)
| Argument | Type | Mode | Description |
|---|---|---|---|
Argument
col0
|
Type
VARCHAR
|
Mode Positional | Description |
Argument
col1
|
Type
VARCHAR
|
Mode Positional | Description |
Description
Longest common subsequence — preserves character order but not adjacency. Raw count of edits required.
Related functions
- rapidfuzz_lcs_seq_similarity() — Longest common subsequence — preserves character order but not adjacency
- rapidfuzz_lcs_seq_normalized_distance() — Longest common subsequence — preserves character order but not adjacency
- rapidfuzz_lcs_seq_normalized_similarity() — Longest common subsequence — preserves character order but not adjacency
Signature
rapidfuzz_lcs_seq_normalized_distance(col0: VARCHAR, col1: VARCHAR) → DOUBLE
Arguments (Positional)
| Argument | Type | Mode | Description |
|---|---|---|---|
Argument
col0
|
Type
VARCHAR
|
Mode Positional | Description |
Argument
col1
|
Type
VARCHAR
|
Mode Positional | Description |
Description
Longest common subsequence — preserves character order but not adjacency. Edit distance scaled to [0, 1] — 0 means identical.
Related functions
- rapidfuzz_lcs_seq_distance() — Longest common subsequence — preserves character order but not adjacency
- rapidfuzz_lcs_seq_similarity() — Longest common subsequence — preserves character order but not adjacency
- rapidfuzz_lcs_seq_normalized_similarity() — Longest common subsequence — preserves character order but not adjacency
Signature
rapidfuzz_lcs_seq_normalized_similarity(col0: VARCHAR, col1: VARCHAR) → DOUBLE
Arguments (Positional)
| Argument | Type | Mode | Description |
|---|---|---|---|
Argument
col0
|
Type
VARCHAR
|
Mode Positional | Description |
Argument
col1
|
Type
VARCHAR
|
Mode Positional | Description |
Description
Longest common subsequence — preserves character order but not adjacency. Similarity scaled to [0, 1] — 1 means identical.
Related functions
- rapidfuzz_lcs_seq_distance() — Longest common subsequence — preserves character order but not adjacency
- rapidfuzz_lcs_seq_similarity() — Longest common subsequence — preserves character order but not adjacency
- rapidfuzz_lcs_seq_normalized_distance() — Longest common subsequence — preserves character order but not adjacency
Signature
rapidfuzz_lcs_seq_similarity(col0: VARCHAR, col1: VARCHAR) → DOUBLE
Arguments (Positional)
| Argument | Type | Mode | Description |
|---|---|---|---|
Argument
col0
|
Type
VARCHAR
|
Mode Positional | Description |
Argument
col1
|
Type
VARCHAR
|
Mode Positional | Description |
Description
Longest common subsequence — preserves character order but not adjacency. Raw count of matches.
Related functions
- rapidfuzz_lcs_seq_distance() — Longest common subsequence — preserves character order but not adjacency
- rapidfuzz_lcs_seq_normalized_distance() — Longest common subsequence — preserves character order but not adjacency
- rapidfuzz_lcs_seq_normalized_similarity() — Longest common subsequence — preserves character order but not adjacency