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- Variant Functions 11631
- This section describes functions that operate on the VARIANT type . New Most variant_* functions were introduced in DuckDB 2.0. The variant_extract , variant_normalize and variant_typeof functions were already available in DuckDB 1.5. Name
...VARIANT array. variant_exists(v, key) Return whether the given key exists in a VARIANT object. variant_contains(haystack, needle) Return whether the needle VARIANT is contained in the haystack VARIANT . variant_comparator(v) Return a binary sort key t...ARIANT object. | | Example | variant_exists('{"a": 1}'::JSON::VARIANT, 'a') | | Result | true | variant_contains(haystack, needle) | Description | Return whether the needle VARIANT is contained in the haystack VARIANT . | | Example | variant_contains('... - https://man.mtool.work/duckdb/2.0/sql/functions/variant.html
- Vector Similarity Search Extension 10096
- The vss extension is an experimental extension for DuckDB that adds indexing support to accelerate vector similarity search queries using DuckDB's new fixed-size ARRAY type. See the announcement blog post and the “What's New in the Vector S
...optimizations as well. These functions can be used as follows: CREATE TABLE haystack (id int, vec FLOAT[3]); CREATE TABLE needle (search_vec FLOAT[3]); INSERT INTO haystack SELECT row_number() OVER (), array_value(a, b, c) FROM range(1, 10) ra(a), ran...ge(1, 10) rb(b), range(1, 10) rc(c); INSERT INTO needle VALUES ([5, 5, 5]), ([1, 1, 1]); SELECT * FROM vss_join(needle, haystack, search_vec, vec, 3) res; ┌───────┬──────────────...then the vss_match macro which references the search column from the left table (in this case, search_vec ): SELECT * FROM needle, vss_match(haystack, search_vec, vec, 3) res; ┌─────────────────┬─────────────────────────────────────────────────────────... - https://man.mtool.work/duckdb/2.0/core_extensions/vss.html
- JSON Processing Functions 8562
- JSON Extraction Functions There are two extraction functions, which have their respective operators. The operators can only be used if the string is stored as the JSON logical type. These functions support the same two location notations as
...array at the given path . If path is a LIST , the result will be LIST of array lengths. json_contains(json_haystack, json_needle) Returns true if json_needle is contained in json_haystack . Both parameters are of JSON type, but json_needle can also be... - https://man.mtool.work/duckdb/2.0/data/json/json_functions.html
- Python Client API 6638
- Connection class duckdb. Appender Bases: object append_row ( self , * args ) → None Buffer one row, one value per column, each converted as an executemany parameter would be append_rows ( self , rows : object ) → None Buffer each row of an
...rray holds. SQL: json_array_length . contains ( * args : ValueOrExpr ) → Expression The json_contains function. Arguments: needle. SQL: json_contains . deep_merge ( * args : ValueOrExpr ) → JsonExpr The json_deep_merge function. Arguments: json2. SQL:... - https://man.mtool.work/duckdb/2.0/clients/python/reference/
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