duckdb/duckdb-excel

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Excel extension for DuckDB

Stars: 62
Forks: 24
Open beginner issues: 0
Indexed issues: 37

Dominant language: C++
License: MIT
Last GitHub push: May 28, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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37 open issues indexed

Excel extension crashes with a crafted `TEXT` expression Open

duckdb/duckdb-excel#1 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support of Excel Tables Open

duckdb/duckdb-excel#7 · 9 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Support inferring a wider range of column types including INTEGER similar to spatial st_read Open

duckdb/duckdb-excel#13 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Support sample based type inference similar to read_csv Open

duckdb/duckdb-excel#14 · 3 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
potential timeline for *.xls files Open

duckdb/duckdb-excel#16 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
error on reading a char column that begins with integers Open

duckdb/duckdb-excel#18 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feature Request: workbook metadata, like sheet names, possibly worksheet column metadata. Open

duckdb/duckdb-excel#25 · 6 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Can you read multiple Excel file at once? Open

duckdb/duckdb-excel#30 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Issue found on page 'Excel Import' Open

duckdb/duckdb-excel#31 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
'all_varchar = true' output data with read_xlsx inconsistent with 'FIELD_TYPES=STRING' using st_read for excel files Open

bug

duckdb/duckdb-excel#40 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
read_xlsx with "all_varchar = true" appends ".0" to integers. Open

duckdb/duckdb-excel#46 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Questions about this extension Open

duckdb/duckdb-excel#48 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[BUG] Data Misalignment in Excel Plugin - Empty Cell Returns Distant Value from Shopee Report Open

duckdb/duckdb-excel#49 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
XML parse error "not well-formed (invalid token)" for column alias with end-of-file character Open

duckdb/duckdb-excel#50 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
"IO Error: Failed to close entry" when COPYing from PostgreSQL to EXCEL Open

duckdb/duckdb-excel#53 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Sql function to get sheet_names Open

duckdb/duckdb-excel#54 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 15, 2026
"Could not move file: The process cannot access the file because it is being used by another process." (works on retry) Open

duckdb/duckdb-excel#55 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
404 trying to install excel Extension Open

duckdb/duckdb-excel#56 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
XLSXCellPos::GetColumnName off-by-one error Open

duckdb/duckdb-excel#58 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
read_xlsx column names with new line Open

duckdb/duckdb-excel#59 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Excel export: missing values Open

duckdb/duckdb-excel#66 · 4 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Add filename as parameter to read_xlsx Open

duckdb/duckdb-excel#67 · 0 comments · 10 reactions · 0 assignees · Indexed Sep 15, 2026
False Exception when writing to XLSX Open

duckdb/duckdb-excel#68 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Type inference fails when first data row contains empty cells, causing data loss Open

duckdb/duckdb-excel#69 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Anyone else feels like the Header parameter should be set to true by default for exports to excel files Open

duckdb/duckdb-excel#72 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
read_xlsx: Could not convert string 'https://static.inaturalist.org/sounds/637821.mp3?1681086265' to DOUBLE Open

duckdb/duckdb-excel#75 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
`all_varchar = true` converts boolean values to numbers before returning them as strings Open

duckdb/duckdb-excel#76 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
empty_as_varchar fails to work when cell borders are present Open

duckdb/duckdb-excel#77 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
KeyError: "There is no item named 'xl/sharedStrings.xml' in the archive" Open

duckdb/duckdb-excel#82 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feature request: Allow batch operation/processing for reading multiple files / worksheets at once Open

duckdb/duckdb-excel#83 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Feature request: Allow flexible schema overrides for specific column(s) when reading data Open

duckdb/duckdb-excel#84 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 15, 2026
Support forward slash in windows paths Open

duckdb/duckdb-excel#85 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
duckdb GlobFiles API has been chanced since 1.5.0. Open

duckdb/duckdb-excel#87 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
feature request: `skip_rows_top`=n, `skip_rows_bottom`=n Open

duckdb/duckdb-excel#88 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
no sheets found in xlsx file Open

duckdb/duckdb-excel#89 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Binder Error when sheet name includes some special characters Open

duckdb/duckdb-excel#95 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Memory leak in zip_file.cpp Open

duckdb/duckdb-excel#96 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

duckdb/duckdb-excel

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