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chDB

We maintain chDB, a powerful OLAP SQL engine. We focus on software improvements, community building and user support.
Collective - Host: opensource - https://opencollective.com/chdb - Website: https://chdb.io/ - Code: https://github.com/chdb-io/chdb

Created using Colaboratory

github.com/chdb-io/chdb - d204516e46164f96afe57a276a99e136b163eb2f authored about 1 year ago by auxten <[email protected]>
Fix case of arrow

github.com/chdb-io/chdb - f5797f951fb16088f07165dc7750750529a19d91 authored about 1 year ago by auxten <[email protected]>
Update README.md

github.com/chdb-io/chdb - 8e4ca20d2d44b7be495a03c765003f7e8fa8cce2 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Create udf.py

github.com/chdb-io/chdb - 3bfdd2ce61ec0270d70504ceae7b3fd715d22743 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Add Query with UDF

github.com/chdb-io/chdb - e74e42cfa2fbfa45a1a9eb69dbd6b6dccd0b6f9f authored about 1 year ago by auxten <[email protected]>
Add tests for UDF and with session

github.com/chdb-io/chdb - 35c49c25ebb323682149a503ba23851e8c68a0fe authored about 1 year ago by auxten <[email protected]>
Generate xml and py files for UDF

github.com/chdb-io/chdb - aa6a17a9437ac25190a9bd992fde1c08c17da06f authored about 1 year ago by auxten <[email protected]>
Use query instead of query_stateful

github.com/chdb-io/chdb - 0675b5e2f2a65c7cea06e6846cb2ab498727044e authored about 1 year ago by auxten <[email protected]>
Unified chdb.query with udf_path support

github.com/chdb-io/chdb - 98dd429a2610e22d02c85d102e446d3aefc703c3 authored about 1 year ago by auxten <[email protected]>
Use output_format as cpp func 2nd arg

github.com/chdb-io/chdb - 44f0f93a4a828c617f968864d28a2e1b434ab187 authored about 1 year ago by auxten <[email protected]>
Fix up query default args value

github.com/chdb-io/chdb - baad999f1c64900fb734fef2194da54f0f2f2789 authored about 1 year ago by auxten <[email protected]>
Use temp dir for UDF config and executables

github.com/chdb-io/chdb - 223f1e2d9886386ff326482fb547f65f661c265d authored about 1 year ago by auxten <[email protected]>
chdb + urleng session persistence example

github.com/chdb-io/chdb - 0512dc7d4a12f0e83d50e42c2ee3e44be89fe746 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Strip library (#99)

As we grow in arch coverage and versions, space matters.

Stripping the library could save 10...

github.com/chdb-io/chdb - 79b3c0e901e52e8eeda585426c03e118716271f3 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Use snake logo

github.com/chdb-io/chdb - 36fb17b1f1725e80b35b81aa23ed2c9ca916a16d authored about 1 year ago by auxten <[email protected]>
Use new logo

github.com/chdb-io/chdb - 5c4e6cfb702519eeb8c457aed137fb8ae03c8695 authored about 1 year ago by auxten <[email protected]>
Use white bg logo

github.com/chdb-io/chdb - 7d80d94c8b8b48f76dbffea290f533382c07928c authored about 1 year ago by auxten <[email protected]>
Fix dark theme

github.com/chdb-io/chdb - 5886a4f0586fbd6317c89a85f5c91d434b0c6878 authored about 1 year ago by auxten <[email protected]>
All center

github.com/chdb-io/chdb - b6c753925371d444a6d3d9df2d51818a47335c57 authored about 1 year ago by auxten <[email protected]>
Add dark theme logo

github.com/chdb-io/chdb - 49fcc6614988bf608d57ff7ebfdee1c3bda3cf56 authored about 1 year ago by auxten <[email protected]>
enable output_format_arrow_string_as_string (#98)

fix #92

github.com/chdb-io/chdb - b05f13a13ffa3964495bde831ad55292179ee4b5 authored about 1 year ago by nmreadelf <[email protected]>
Add statistics funcs for Table

github.com/chdb-io/chdb - 4dca9501ac8502927f9d20a54a21af14589996ff authored about 1 year ago by auxten <[email protected]>
Fix null

github.com/chdb-io/chdb - 91530b4c2b0c787f72504fcf5ddb23886baa1bf6 authored about 1 year ago by auxten <[email protected]>
Query stats (#91)

* Add query result statistics rows_read(), bytes_read(), elapsed()

* Add example and statisti...

github.com/chdb-io/chdb - 932d7c25ce9b7a5aeff0bf117be449ac7e1fe1d8 authored about 1 year ago by auxten <[email protected]>
Query on multiple Pandas DataFrame (#89)

* Add dataframe.query() to run sql on multi dataframe

* Add join dataframe test

* Support ...

github.com/chdb-io/chdb - 3d1971d8f8da034e69d1e8683c337701408c7365 authored about 1 year ago by auxten <[email protected]>
Update README.md

github.com/chdb-io/chdb - 0ce67095618dbe530cd9c03c312e0d0575928c96 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Add CHDB_VERION for cmake (#96)

github.com/chdb-io/chdb - f68869d8aba4461570518370ea50f667d8a688a6 authored about 1 year ago by nmreadelf <[email protected]>
Remove test action

github.com/chdb-io/chdb - c552a21130dd240d0f68e96ec872e678fe2df309 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Fix stateful mergetree (#83)

github.com/chdb-io/chdb - affe3296c2c6459445bcac83b7731737383ee603 authored about 1 year ago by auxten <[email protected]>
Create FUNDING.yml

github.com/chdb-io/chdb - 7bec5ebde772350c76236cb9e6e9be8d62c5cf4f authored about 1 year ago by auxten <[email protected]>
Update FUNDING.yml

github.com/chdb-io/chdb - 8d428562b6404b7aa2ed12c9802c1cedb850d69a authored about 1 year ago by auxten <[email protected]>
Update README

Add legal disclaimer

github.com/chdb-io/chdb - b6dc7cddffbb26b3c6e6229fbfafb89aaf6d57e3 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Update README.md

github.com/chdb-io/chdb - fa9c37f7870ab319fe6514cc1646b2cf47583ce2 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Fix twine upload path

github.com/chdb-io/chdb - c67a25ff70b6c6b69f201229d7b0dbb7506bf2ea authored about 1 year ago by Lorenzo Mangani <[email protected]>
Delete build_wheels_arm64.yml

github.com/chdb-io/chdb - b7aa635212df6b3014e3bba40b3f93e42c3cfe57 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Add arm64 linux build (#70)

* Add arm build

* Update build_arm_whells.yml

* fix build wheel

* Cleanup Job

Cleanu...

github.com/chdb-io/chdb - c380fb17baaac69cd8f3b34de985a562e1d48c20 authored about 1 year ago by nmreadelf <[email protected]>
Allow module publishing on TAG_NAME versions

github.com/chdb-io/chdb - 4e9df0fe2cb7fe8db7f6e646e571dae93e04184e authored about 1 year ago by Lorenzo Mangani <[email protected]>
Fix data dir name in ChDB_TPCH_SF10_Queries

github.com/chdb-io/chdb - fc846e6b7d26673ba99d9ad1cdeef13fa25ebf78 authored about 1 year ago by auxten <[email protected]>
Broader arm64 compatibility (#77)

github.com/chdb-io/chdb - 00883bc329132c8317bf8625b97357f2fb754722 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Fix blog link

github.com/chdb-io/chdb - 9f9e3554e014bcd59d7679c90f457a217c26a0cf authored about 1 year ago by auxten <[email protected]>
Plain ARM64 builder

github.com/chdb-io/chdb - 2892e305842f33e9ec9f0d13a0a49aaf85bff5c6 authored about 1 year ago by Lorenzo Mangani <[email protected]>
add chDB-GPT Example

github.com/chdb-io/chdb - 0bee6e496d6126fe4f865b6a6929f023c9ff13a8 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Update README.md

github.com/chdb-io/chdb - 2afaa8c4c25644cb963f2826474aa2ef9f8e4285 authored about 1 year ago by Lorenzo Mangani <[email protected]>
Add some logo

github.com/chdb-io/chdb - f0f7d2e46a0c83bdf2f863d86c6e38ccd12c44c8 authored about 1 year ago by auxten <[email protected]>
Only enable AVX and JIT on x86_64

github.com/chdb-io/chdb - 96999a651dc5f27d91e5132525db787efe4b532e authored about 1 year ago by auxten <[email protected]>
Try fix jemalloc on aarch64 (#69)

github.com/chdb-io/chdb - b1eee36eb372534fb854856ac7e75ec96ecf4bfb authored about 1 year ago by auxten <[email protected]>
Add session example in readme-ch

github.com/chdb-io/chdb - 7ea6c714c5fd73b11d5b4a7162a33deacdd990f5 authored about 1 year ago by auxten <[email protected]>
Add Demo chDB at [ClickHouse v23.7 livehouse!]

github.com/chdb-io/chdb - 397817e32b45d98dcec4c88541a953b3ceda1720 authored about 1 year ago by auxten <[email protected]>
Enable jemalloc only Linux

github.com/chdb-io/chdb - 2e42715a1624513c728cc14d38c8388b684e001c authored about 1 year ago by auxten <[email protected]>
Fix arrow jemalloc (#68)

* Add bak

* Use patch arrow lib in https://github.com/auxten/arrow

* Enable jemalloc for arrow...

github.com/chdb-io/chdb - fe292e1f0ee42ca07201e4f1382865faf39d2af6 authored about 1 year ago by auxten <[email protected]>
Update chDB_demos.ipynb

github.com/chdb-io/chdb - 5214577765d26d808fdf5c2ea1ec4259e50b6945 authored about 1 year ago by auxten <[email protected]>
Add memory_pool_jemalloc.cc only Linux

github.com/chdb-io/chdb - 61c52908e6891c8b9fbd760693ae0575fbf239a8 authored about 1 year ago by auxten <[email protected]>
Fix typo

github.com/chdb-io/chdb - 555eea9ac467e9563bfd23fd36d01c707dd34fc5 authored about 1 year ago by auxten <[email protected]>
Add Stateful Session Example

github.com/chdb-io/chdb - 81107ad200d61f370d4c25c81de37b83722989bb authored about 1 year ago by Lorenzo Mangani <[email protected]>
New arch chart

github.com/chdb-io/chdb - ff40d610036bb513ca9f86659d54fc48e5ee4752 authored about 1 year ago by auxten <[email protected]>
Remove dup

github.com/chdb-io/chdb - 7a92ffa80dff6c5e369367db65c0763f4550c53a authored about 1 year ago by auxten <[email protected]>
Created using Colaboratory

github.com/chdb-io/chdb - 11e106b42da1999f312483b6d4f81e2c463fbb5e authored about 1 year ago by auxten <[email protected]>
Created using Colaboratory

github.com/chdb-io/chdb - b7c46c8a8cdab4e54efcbcc720e64509f65f2217 authored about 1 year ago by auxten <[email protected]>
Fix 0.11 issues2 (#67)

* Tests need psutil

* Check thread count only in standalone test run

* Ignore

github.com/chdb-io/chdb - 995091797a27d74634814cb42c3c6573e4ca0bee authored about 1 year ago by auxten <[email protected]>
Set background_schedule_pool_size 0

github.com/chdb-io/chdb - 2cdb056e34473a120505c74deb2fd0ff25691c77 authored about 1 year ago by auxten <[email protected]>
Remove stateful tests for now

github.com/chdb-io/chdb - 5f681b21c2930d9af49fe1fc0e130f93f2305b6d authored about 1 year ago by auxten <[email protected]>
Disable BackgroundCleanup

github.com/chdb-io/chdb - 77d4bd10b7546d765327ed67ef62c290c7945530 authored about 1 year ago by auxten <[email protected]>
Add test_final_join

github.com/chdb-io/chdb - fa850c60528a1fe77200b15bffae43cefeacada2 authored about 1 year ago by auxten <[email protected]>
Update readme

github.com/chdb-io/chdb - e1e3c19c7b3a67a76ade49f7172e04c8d9f57495 authored about 1 year ago by auxten <[email protected]>
Free query_result_memory vector only in `free_result`

github.com/chdb-io/chdb - e15a4a1253abc5e2f5dbb4737767e46d998012b7 authored about 1 year ago by auxten <[email protected]>
No exception if table uuid exist for stateful query

github.com/chdb-io/chdb - d678c86c1039c0997838d9cfd97aa8a0fce90420 authored about 1 year ago by auxten <[email protected]>
Test for gc result on empty output

github.com/chdb-io/chdb - fb838b43a6293d90213983824bfa1b14d691072a authored about 1 year ago by auxten <[email protected]>
Add chdb-todo: fix SharedPtrContextHolder.shared leak

github.com/chdb-io/chdb - 44260dc7d566a2f48ff91b14195c1d1b05762453 authored about 1 year ago by auxten <[email protected]>
Set max_thread_pool_free_size = 0 and use a leaky shared_context for now

github.com/chdb-io/chdb - ebe623e01ff3d18c3f11192c870c5d12a6e5f0ab authored about 1 year ago by auxten <[email protected]>
Init query_result_memory to nullptr on construct

github.com/chdb-io/chdb - 57544bd1741d4dd1182a172c3e5d5ce452e87bd5 authored about 1 year ago by auxten <[email protected]>
Set background_schedule_pool_size 8

github.com/chdb-io/chdb - 724b0228af9265fce28431da8efc3651da62cd68 authored about 1 year ago by auxten <[email protected]>
Add query_stateful low level func

github.com/chdb-io/chdb - d627c59c5dd2ae85a7c44942cbf8704a5446a447 authored about 1 year ago by auxten <[email protected]>
Add UUID generate_from_pid()

github.com/chdb-io/chdb - f3e6f3c1c7b52dd34a4f5dc14edcf9eaee24b1c1 authored about 1 year ago by auxten <[email protected]>
Add SharedPtrContextHolder(todo: fix leak shared)

github.com/chdb-io/chdb - 114d6cde54666f904d6f664ddefc88a1df1a1805 authored about 1 year ago by auxten <[email protected]>
Use pid as Session id

github.com/chdb-io/chdb - 503601fea8d37e0d7aa9f93e5940f04a221511f7 authored about 1 year ago by auxten <[email protected]>
Add ignore

github.com/chdb-io/chdb - ac950547a7c3795639c956d82a406e1cb01eacd5 authored about 1 year ago by auxten <[email protected]>
Use createSharedHolder to create shared_context in Client

github.com/chdb-io/chdb - d6ef80d2e1e81ab6d355cd029ac2de732319925a authored about 1 year ago by auxten <[email protected]>
Add files via upload

github.com/chdb-io/chdb - fb4746979ccf19753bf8de4012d406f6a581f25e authored about 1 year ago by reema93jain <[email protected]>
docs: update README.md [skip ci]

github.com/chdb-io/chdb - c38551dccd20d6a8881e666ddc1a9330a12c2acc authored about 1 year ago by allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>
delay before restarting failed actions

github.com/chdb-io/chdb - dc423c1d58aa9f4c78af0edea99a3e3efdcc57e3 authored about 1 year ago by Lorenzo Mangani <[email protected]>
docs: update .all-contributorsrc [skip ci]

github.com/chdb-io/chdb - 98dcc7c8218d9f993783a7322f28fa2611da6e55 authored about 1 year ago by allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>
Update README.md

github.com/chdb-io/chdb - 12d75e8089eba8eb0c20e755b76ebb044dae851c authored about 1 year ago by auxten <[email protected]>
Use -flto=thin in release build

github.com/chdb-io/chdb - 72d54b4b3a7d277ad0e09a3cfb2630c24694aeef authored about 1 year ago by auxten <[email protected]>
Add test on issue 60

github.com/chdb-io/chdb - 95b328262a2f01d94dcc650c86551927cb1f3163 authored about 1 year ago by auxten <[email protected]>
Update CONTRIBUTING.md

github.com/chdb-io/chdb - 5cd2b83a322b61e6ddbabcf74b02d1fe9afebe34 authored about 1 year ago by auxten <[email protected]>
Fix test issue 60 url

github.com/chdb-io/chdb - 28a6993166b41402b997e5bf6cc6524c44440c10 authored about 1 year ago by auxten <[email protected]>
Init NamedCollections after setup users

github.com/chdb-io/chdb - 11e0ccfc2818b3386a32de04fe1bed52808574cf authored about 1 year ago by auxten <[email protected]>
Empty printHelp

github.com/chdb-io/chdb - bf356d238c08c9dfb76197baa75c93b37c13b612 authored about 1 year ago by auxten <[email protected]>
Update readme

github.com/chdb-io/chdb - 78f5e5f65f971a7d2e528ec566c9e943d9073a8f authored about 1 year ago by auxten <[email protected]>
Fix all get_memview.tobytes() to just bytes(), and len(res) directly

github.com/chdb-io/chdb - c2d4f9af6bf8401400e71b20b7b7b42d6cae5049 authored about 1 year ago by auxten <[email protected]>
Optimize test_parallel

github.com/chdb-io/chdb - 09ba05ebe55d6e7dc9abd470f95d6ac3cc66f839 authored about 1 year ago by auxten <[email protected]>
Fix tls issue and use PIC and PIE

github.com/chdb-io/chdb - eeb8ebcfeaef00f787e4c2b6300eeb99aad5ebb8 authored about 1 year ago by auxten <[email protected]>
Disable thin-lto for now

github.com/chdb-io/chdb - dd5e8fbc6a82b7ed349c37c5a8959d94c84d251e authored about 1 year ago by auxten <[email protected]>
Do not build on changes to the tests/ folder

github.com/chdb-io/chdb - bda767ecd28f60fc068d7750adc88a58125210fc authored about 1 year ago by Lorenzo Mangani <[email protected]>
Add pandas dataframe example

github.com/chdb-io/chdb - bade9557c1db7ce34fe1478d867083887427613a authored about 1 year ago by auxten <[email protected]>
Refactor LocalChdb:

- Fix memoryview gc issue

- Add __str__ __len__ __repr__ for query_result

- Add "Debug" ...

github.com/chdb-io/chdb - 05f7da23e8bd2946729208c038bc6859638798a3 authored about 1 year ago by auxten <[email protected]>
Use .byte() not .get_memview().tobytes()

github.com/chdb-io/chdb - 2aafcbb45411efca46bc661b3b2bd98f9136da05 authored about 1 year ago by auxten <[email protected]>
Make free_result not delete result pointer

github.com/chdb-io/chdb - dfccc49522b86c52704b013c7ce03b5ab515d339 authored about 1 year ago by auxten <[email protected]>
Cleanup unnecessary docs

github.com/chdb-io/chdb - 5268737fed4d487e592e4f4f0756070fe700b36f authored about 1 year ago by auxten <[email protected]>
Fix tests

github.com/chdb-io/chdb - 22e92b0461c20e75ce54a566e7c9bf1d51cf9948 authored about 1 year ago by auxten <[email protected]>