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- Relational API – DuckDB 11230
- This page is for DuckDB 1.3, which is outdated.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
...duckdb_conn = duckdb . connect () rel = duckdb_conn . from_arrow ( example_table ) rel . show () Result ┌──────┬─────────┐ │ id │ text │ │ int8 │ varchar │ ├──────┼─────────┤ │ 1 │ a │ └──────┴─────────┘ from_csv_auto Signature from_csv_auto ( sel...: '1' , 'text' : 'a' }) rel = duckdb_conn . from_csv_auto ( "code_example.csv" ) rel . show () Result ┌───────┬─────────┐ │ id │ text │ │ int64 │ varchar │ ├───────┼─────────┤ │ 1 │ a │ └───────┴─────────┘ from_df Signature from_df ( self : duckd..." :[ "a" ]}) duckdb_conn = duckdb . connect () rel = duckdb_conn . from_df ( df ) rel . show () Result ┌───────┬─────────┐ │ id │ text │ │ int64 │ varchar │ ├───────┼─────────┤ │ 1 │ a │ └───────┴─────────┘ from_parquet Signature from_parquet ( *... - https://man.mtool.work/duckdb/1.3/clients/python/relational_api.html
- Integration with Ibis – DuckDB 11230
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...┃ sex ┃ year ┃ ┡━━━━━━━━━╇━━━━━━━━━━━╇━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━╇━━━━━━━━╇━━━━━━━┩ │ string │ string │ float64 │ float64 │ int64 │ int64 │ string │ int64 │ ├─────────┼───────────┼────────────────┼───────────...────┼───────────────────┼─────────────┼────────┼───────┤ │ Adelie │ Torgersen │ 39.1 │ 18.7 │ 181 │ 3750 │ male │ 2007 │ │ Adelie │ Torgersen │ 39.5 │ 17.4 │ 186 │ 3800 │ female │ 2...007 │ │ Adelie │ Torgersen │ 40.3 │ 18.0 │ 195 │ 3250 │ female │ 2007 │ │ Adelie │ Torgersen │ nan │ nan │ NULL │ NULL │ NULL │... - https://man.mtool.work/duckdb/1.3/guides/python/ibis.html
- R-Tree Indexes – DuckDB 10227
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...SELECT count ( * ) FROM t1 WHERE ST_Within ( geom , ST_MakeEnvelope ( 45 , 45 , 65 , 65 )); ┌───────────────────────────┐ │ UNGROUPED_AGGREGATE │ │ ──────────────────── │ │ Aggregates: │ │ count_star() │ └─────────────┬─────────────┘ ┌───────────...──┴─────────────┐ │ FILTER │ │ ──────────────────── │ │ ST_Within(geom, '...') │ │ │ │ ~2000 Rows │ └─────────────┬─────────────┘ ┌───────────...──┴─────────────┐ │ RTREE_INDEX_SCAN │ │ ──────────────────── │ │ t1 (RTREE INDEX SCAN : │ │ my_idx) │ │ │ │ Projections: geom │ │ │ │ ~10000... - https://man.mtool.work/duckdb/1.3/core_extensions/spatial/r-tree_indexes.html
- Analyzing a Git Repository – DuckDB 10165
- 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
...─────────┬────────────┬──────────────────┬───────────────────────────────────────────────────────────────────────────────┐ │ timestamp │ hash │ author │ message │ │ timestamp │ varchar │ varchar │ varchar │ ├─────────────────────┼────────────┼────...──────────────┼───────────────────────────────────────────────────────────────────────────────┤ │ 2025-02-25 17:12:54 │ d608a31e13 │ Mark │ MAIN_BRANCH_VERSIONING: Adopt also for Python build and amalgamation (#16400) │...│ 2025-02-25 14:05:56 │ 920b39ad96 │ Mark │ Read support for Parquet Float16 (#16395) │ │ 2025-02-25 12:43:52 │ 61f55734b9 │ Carlo Piovesan │ MAIN... - https://man.mtool.work/duckdb/1.3/guides/snippets/analyze_git_repository.html
- Expression API – DuckDB 9851
- 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
...) Selecting a single column: col = duckdb . ColumnExpression ( 'a' ) duckdb . df ( df ). select ( col ). show () ┌───────┐ │ a │ │ int64 │ ├───────┤ │ 1 │ │ 2 │ │ 3 │ │ 4 │ └───────┘ Selecting multiple columns: col_list = [ duckdb . ColumnExpressi...b . ColumnExpression ( 'c' ) + 5 ] duckdb . df ( df ). select ( * col_list ). show () ┌──────────┬─────────────┬─────────┐ │ (a * 10) │ (b IS NULL) │ (c + 5) │ │ int64 │ boolean │ int64 │ ├──────────┼─────────────┼─────────┤ │ 10 │ false │ 47 │ │...20 │ true │ 26 │ │ 30 │ false │ 18 │ │ 40 │ false │ 19 │ └──────────┴─────────────┴─────────┘ Star Expression This expression s... - https://man.mtool.work/duckdb/1.3/clients/python/expression.html
- EXPLAIN ANALYZE: Profile Queries – DuckDB 9851
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...ANALYZE SELECT name FROM students JOIN exams USING ( sid ) WHERE name LIKE 'Ma%' ; ┌─────────────────────────────────────┐ │┌───────────────────────────────────┐│ ││ Total Time: 0.0008s ││ │└───────────────────────────────────┘│ └─────────────────...────────────────────┘ ┌───────────────────────────┐ │ EXPLAIN_ANALYZE │ │ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ │ │ 0 │ │ (0.00s) │ └─────────────┬─────────────┘ ┌─────────────┴─────────────┐...│ PROJECTION │ │ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ │ │ name │ │ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ │ │ 2 │ │ (0.00s) │ └─────────────┬─────────────┘ ┌────────────... - https://man.mtool.work/duckdb/1.3/guides/meta/explain_analyze.html
- Writing Tests – DuckDB 9820
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...──┬───┬──────────────────────┬──────────────────────┬──────────────────────┬──────────────────────┬──────────────────────┐ │ bool │ tinyint │ smallint │ int │ bigint │ hugeint │ … │ struct │ struct_of_arrays │ array_of_structs │ map │ union │ │ bo...olean │ int8 │ int16 │ int32 │ int64 │ int128 │ │ struct(a integer, … │ struct(a integer[]… │ struct(a integer, … │ map(varchar, v...arch… │ union("name" varch… │ ├─────────┼─────────┼──────────┼─────────────┼──────────────────────┼──────────────────────┼───┼────... - https://man.mtool.work/duckdb/1.3/dev/sqllogictest/writing_tests.html
- EXPLAIN: Inspect Query Plans – DuckDB 9350
- 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
...EXPLAIN ANALYZE SELECT name FROM students JOIN exams USING ( sid ) WHERE name LIKE 'Ma%' ; ┌─────────────────────────────┐ │┌───────────────────────────┐│ ││ Physical Plan ││ │└───────────────────────────┘│ └─────────────────────────────┘ ┌───────...────────────────────┐ │ PROJECTION │ │ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ │ │ name │ └─────────────┬─────────────┘ ┌─────────────┴─────────────┐ │ HASH_JOIN │...│ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ │ │ INNER │ │ sid = sid ├──────────────┐ │ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ │ │ │ EC: 1 │ │ └─────────────┬─────────────┘ │ ┌──────────... - https://man.mtool.work/duckdb/1.3/guides/meta/explain.html
- Create Synthetic Data – DuckDB 9193
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...rate_series(1, 2) t(j) """ ) res . show () This generates the following: ┌──────────────────────┬──────────────┬─────────┐ │ id │ creationDate │ flag │ │ uint64 │ date │ boolean │ ├──────────────────────┼──────────────┼─────────┤ │ 677005175117373...4325 │ 2019-11-05 │ true │ │ 16510940941872865459 │ 2002-08-03 │ true │ │ 13285076694688170502 │ 1998-11-27 │ true │ │ 1175777045...2869451863 │ 1998-07-03 │ true │ │ 2064835973596856015 │ 2010-09-06 │ true │ │ 17776805813723356275 │ 2020-12-26 │ false │ │ 1354010350... - https://man.mtool.work/duckdb/1.3/guides/snippets/create_synthetic_data.html
- UPDATE EXTENSIONS – DuckDB 9115
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...tories and the update result: ┌────────────────┬──────────────┬─────────────────────┬──────────────────┬─────────────────┐ │ extension_name │ repository │ update_result │ previous_version │ current_version │ │ varchar │ varchar │ varchar │ varchar...│ varchar │ ├────────────────┼──────────────┼─────────────────────┼──────────────────┼─────────────────┤ │ iceberg │ core_ni...ghtly │ UPDATED │ 6386ab5 │ b3ec51a │ │ icu │ core │ NO_UPDATE_AVAILABLE │ v1.2.1 │ v1.2.1 │ │ autocomplete │ core │ NO_UPDATE_AVA... - https://man.mtool.work/duckdb/1.3/sql/statements/update_extensions.html
DuckDB 1.3 Documentation / man.mtool.work