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I am running a DuckDB job in an AWS Fargate container. It is accessing .parquet files on S3 through the DuckLake extension. The container assumes an IAM role which DuckDB can access via CREATE SECRET (...
1 vote
1 answer
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I'm trying to authenticate with an already pre-signed-in service account (SA) in a Dataproc cluster. I'm configuring a DuckDB connection with the BigQuery extension and I can't seem to reuse the ...
1 vote
1 answer
123 views

I have several ndjson files that are nearly 800GB. They come from parsing the Wikipedia dump. I would like to remove duplicate HTML. As such, I group by "html" and pick the JSON with the ...
Akira's user avatar
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-3 votes
1 answer
127 views

I am doing some tests comparing DuckDB usage among different languages etc, and I've noticed something strange. In python you can do the following: duckdb.read_csv(inputFile, max_line_size=10000000, ...
Tijmen's user avatar
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1 vote
1 answer
142 views

I have several ndjson files that are nearly 800GB. They come from parsing the Wikipedia dump. I would like to remove duplicates html. As such, I group by "html" and pick the json with the ...
Akira's user avatar
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Best practices
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To meet certain data analysis requirements, I am migrating from a self-hosted local MySQL database to PolarDB. During the migration, I discovered that many data analysis tools offer a technique called ...
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0 answers
80 views

I'm using the DuckDB CLI, version 1.4.2 on macOS. The plan is to use duckdb as a part of a CLI pipeline, not from inside of a Python script, etc. I've already got the tooling to build out the script ...
Advice
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3 replies
38 views

I have a table export like this: id file_name json_content 1 out_1.json {...} 2 out_2.json {...} Now I want to do a COPY (SELECT json_content FROM export) TO file_name for each row. At first I thought ...
Sascha's user avatar
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0 votes
1 answer
82 views

Unable to use DuckDB in an incremental lightweight xform. The docs read to access the duckdb object from the context, but it fails to do so. from transforms.api import transform, incremental, Input, ...
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0 answers
32 views

I'm trying to create output using gtsummary::tbl_summary, which I've done many times before like this: library(dplyr) library(gtsummary) iris |> tbl_summary() I want the species variable to ...
jrdusen's user avatar
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1 answer
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Edit: Since the question is off-topic here, I marked it for closing/migration to SuperUser. It was not migrated so far, so I recreated this question and answer at SuperUser. I cannot get non-ASCII ...
miroxlav's user avatar
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1 vote
1 answer
57 views

I am trying to insert a list of values to a column INTEGER[]. For that I am creating list value as I need to use appender. But duckdb_create_list_value is always returning NULL. I am using v 1.4.1 C ...
rg665n's user avatar
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1 vote
0 answers
114 views

I'm on DuckDB 1.4.1 experiencing difficulty updating a Postgres 17.6 ENUM field status: CREATE TYPE mystatus_enum AS ENUM ( 'IN_STOCK', 'OUT_OF_STOCK', 'NOT_FOUND', 'NOT_A_PRODUCT' ); CREATE ...
RuiDC's user avatar
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1 vote
1 answer
173 views

I'm working with DuckDB and have several client-provided SQL expressions that use DECIMAL(38,10) columns (fixed precision with 10 digits after the decimal point). For example: SELECT S1__AMOUNT * ...
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1 answer
130 views

I don't know how to check or increase the memory limitation of duckdb wasm. I'm using chrome and I import some parquet into the browser, one of them has 234Mb of data I did my research and the limit ...
Antho's user avatar
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