Allow ALTER TABLE DROP COLUMN on compressed hypertable #3769
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Codecov Report
@@ Coverage Diff @@
## master #3769 +/- ##
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+ Coverage 90.36% 90.46% +0.10%
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Files 213 213
Lines 37719 37753 +34
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+ Hits 34084 34154 +70
+ Misses 3635 3599 -36
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This patch allows dropping columns from hypertables with compression enabled when the dropped column is neither an orderby nor a segmentby column. Fixes timescale#3683
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This release is medium priority for upgrade. We recommend that you upgrade at the next available opportunity. This release adds major new features since the 2.5.2 release, including: Compression in continuous aggregates Experimental support for timezones in continuous aggregates Experimental support for monthly buckets in continuous aggregates It also includes several bug fixes. Telemetry reports are switched to a new format, and now include more detailed statistics on compression, distributed hypertables and indexes. **Features** * timescale#3768 Allow ALTER TABLE ADD COLUMN with DEFAULT on compressed hypertable * timescale#3769 Allow ALTER TABLE DROP COLUMN on compressed hypertable * timescale#3943 Optimize first/last * timescale#3945 Add support for ALTER SCHEMA on multi-node * timescale#3949 Add support for DROP SCHEMA on multi-node **Bugfixes** * timescale#3808 Properly handle max_retries option * timescale#3863 Fix remote transaction heal logic * timescale#3869 Fix ALTER SET/DROP NULL contstraint on distributed hypertable * timescale#3944 Fix segfault in add_compression_policy * timescale#3961 Fix crash in EXPLAIN VERBOSE on distributed hypertable * timescale#4015 Eliminate float rounding instabilities in interpolate * timescale#4019 Update ts_extension_oid in transitioning state * timescale#4073 Fix buffer overflow in partition scheme **Improvements** Query planning performance is improved for hypertables with a large number of chunks. **Thanks** * @fvannee for reporting a first/last memory leak * @mmouterde for reporting an issue with floats and interpolate
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This release is medium priority for upgrade. We recommend that you upgrade at the next available opportunity. This release adds major new features since the 2.5.2 release, including: Compression in continuous aggregates Experimental support for timezones in continuous aggregates Experimental support for monthly buckets in continuous aggregates It also includes several bug fixes. Telemetry reports are switched to a new format, and now include more detailed statistics on compression, distributed hypertables and indexes. **Features** * #3768 Allow ALTER TABLE ADD COLUMN with DEFAULT on compressed hypertable * #3769 Allow ALTER TABLE DROP COLUMN on compressed hypertable * #3943 Optimize first/last * #3945 Add support for ALTER SCHEMA on multi-node * #3949 Add support for DROP SCHEMA on multi-node **Bugfixes** * #3808 Properly handle max_retries option * #3863 Fix remote transaction heal logic * #3869 Fix ALTER SET/DROP NULL contstraint on distributed hypertable * #3944 Fix segfault in add_compression_policy * #3961 Fix crash in EXPLAIN VERBOSE on distributed hypertable * #4015 Eliminate float rounding instabilities in interpolate * #4019 Update ts_extension_oid in transitioning state * #4073 Fix buffer overflow in partition scheme **Improvements** Query planning performance is improved for hypertables with a large number of chunks. **Thanks** * @fvannee for reporting a first/last memory leak * @mmouterde for reporting an issue with floats and interpolate
svenklemm
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This release is medium priority for upgrade. We recommend that you upgrade at the next available opportunity. This release adds major new features since the 2.5.2 release, including: Compression in continuous aggregates Experimental support for timezones in continuous aggregates Experimental support for monthly buckets in continuous aggregates It also includes several bug fixes. Telemetry reports are switched to a new format, and now include more detailed statistics on compression, distributed hypertables and indexes. **Features** * #3768 Allow ALTER TABLE ADD COLUMN with DEFAULT on compressed hypertable * #3769 Allow ALTER TABLE DROP COLUMN on compressed hypertable * #3943 Optimize first/last * #3945 Add support for ALTER SCHEMA on multi-node * #3949 Add support for DROP SCHEMA on multi-node **Bugfixes** * #3808 Properly handle max_retries option * #3863 Fix remote transaction heal logic * #3869 Fix ALTER SET/DROP NULL contstraint on distributed hypertable * #3944 Fix segfault in add_compression_policy * #3961 Fix crash in EXPLAIN VERBOSE on distributed hypertable * #4015 Eliminate float rounding instabilities in interpolate * #4019 Update ts_extension_oid in transitioning state * #4073 Fix buffer overflow in partition scheme **Improvements** Query planning performance is improved for hypertables with a large number of chunks. **Thanks** * @fvannee for reporting a first/last memory leak * @mmouterde for reporting an issue with floats and interpolate
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This patch allows dropping columns from hypertables with compression
enabled when the dropped column is neither an orderby nor a
segmentby column.
Fixes #3683