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JSON Processing Functions – DuckDB 12279: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... uckDB's JSON data type uses 0-based indexing . Examples: CREATE TABLE example ( j JSON ); INSERT INTO example VALUES ( '{ "family": "anatidae", "species": [ "duck", "goose", "swan", null ] }' ); SELECT json_extract ( j , '$.family' ) FROM example ; "an ... atidae" SELECT j -> '$.family' FROM example ; "anatidae" SELECT j -> '$.species[0]' FROM example ; "duck" SELECT j -> '$.species[*]' FROM example ; ["du ... ; "duck" SELECT j -> 'species' -> [ '/0' , '/1' ] FROM example ; ['"duck"', '"goose"'] SELECT json_extract_string ( j , '$.family' ) FROM example ; anatidae SELECT j ->> '$.family' FROM example ; anatidae SELECT j ->> '$.species[0]' FROM example ; duck ...; https://man.mtool.work/duckdb/1.3/data/json/json_functions.html

JSON Overview – DuckDB 9153: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... a column for storing JSON data and insert data into it: CREATE TABLE example ( j JSON ); INSERT INTO example VALUES ( '{ "family": "anatidae", "species": [ "duck", "goose", "swan", null ] }' ); Retrieving JSON Data Retrieve the family key's value: SEL ... ECT j.family FROM example ; "anatidae" Extract the family key's value with a JSONPath expression as JSON : SELECT j -> '$.family' FROM ... example ; "anatidae" Extract the family key's value with a JSONPath expression as a VARCHAR : SELECT j ->> '$.family' FROM example ; anatidae Using Quotes for Spe ...; https://man.mtool.work/duckdb/1.3/data/json/overview.html

Prepared Statements – DuckDB 7840: This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... ith different parameters. DuckDB supports prepared statements in the C API with the duckdb_prepare method. The duckdb_bind family of functions is used to supply values for subsequent execution of the prepared statement using duckdb_execute_prepared . A ... n case the prepare fails, the error can be obtained through duckdb_prepare_error . It is not required that the duckdb_bind family of functions matches the prepared statement parameter type exactly. The values will be auto-cast to the required value as ...; https://man.mtool.work/duckdb/1.3/clients/c/prepared.html

Swift Client – DuckDB 7674: This page is for DuckDB 1.3, which is outdated. Switch to the current documentation . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Ove ... while the query is executing. We'll then cast the result columns to Swift native types using DuckDB's ResultSet cast(to:) family of methods, before finally wrapping them up in a DataFrame from the TabularData framework. ... import TabularData extensio ...; https://man.mtool.work/duckdb/1.3/clients/swift.html

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