Issues

sql/schemachanger: `ALTER COLUMN ... TYPE` with a rewrite replaces values written during the schema change with NULL (or `''` / zero for NOT NULL columns)

cockroachdb/cockroach#176168 · opened

on Oct 20, 2026

1

sql: asyncpg type introspection query (WITH RECURSIVE typeinfo_tree) takes 65-165 ms on an empty cluster and 340-525 ms on Cloud Standard

cockroachdb/cockroach#176167 · opened

on Oct 19, 2026

basalt-26.3.2-rc-20260916: kv/kvnemesis: TestKVNemesisMultiNode_Restart_Liveness failed

cockroachdb/cockroach#176164 · opened

on Oct 19, 2026

Internal error "inverted column should have type encodedkey" for empty array containment on inverted index

cockroachdb/cockroach#176163 · opened

on Oct 19, 2026

1

sql: `ALTER COLUMN ... TYPE CHAR(m)` on a `VARCHAR(n)` column (m ≥ n) keeps trailing spaces; equality lookups and DELETE miss the rows and UNIQUE accepts duplicates

cockroachdb/cockroach#176156 · opened

on Oct 18, 2026

2

sql: `ALTER COLUMN ... TYPE STRING` on a BYTES column does not validate UTF-8 and stores invalid UTF-8 STRING values

cockroachdb/cockroach#176155 · opened

on Oct 18, 2026

2

changefeedccl: CSV changefeeds write SQL NULL as the bare word `NULL`, indistinguishable from the string `'NULL'`

cockroachdb/cockroach#176154 · opened

on Oct 18, 2026

2

sql: `COPY ... TO STDOUT WITH (FORMAT csv, NULL '<marker>')` does not quote values equal to the NULL marker, so they reload as NULL

cockroachdb/cockroach#176153 · opened

on Oct 18, 2026

2

sql: to_json/to_jsonb and JSON changefeeds encode TIMESTAMP/TIMESTAMPTZ `infinity` as `"294277-01-01T23:59:59.999999"` instead of `"infinity"`

cockroachdb/cockroach#176152 · opened

on Oct 18, 2026

2

basalt-26.3.2-rc-20260916: roachtest: activerecord failed

cockroachdb/cockroach#176151 · opened

on Oct 18, 2026

4

sql: casting the string 'infinity' to TIMESTAMP errors in the vectorized engine but returns infinity in the row engine

cockroachdb/cockroach#176150 · opened

on Oct 18, 2026

1

sql: casting FLOAT in [32767, 32767.5) to INT2 fails with "integer out of range" only in the vectorized engine

cockroachdb/cockroach#176149 · opened

on Oct 18, 2026

1

sql: RANGE window frame with an 'Inf' offset counts the NaN row in the row engine but not in the vectorized engine

cockroachdb/cockroach#176148 · opened

on Oct 18, 2026

1

sql: vectorized hash join misses matches between equal JSONB values that differ only in numeric scale ('1' vs '1.0')

cockroachdb/cockroach#176147 · opened

on Oct 18, 2026

1

sql: ILIKE returns different results with vectorize on and off for characters such as 'ı' (U+0131)

cockroachdb/cockroach#176146 · opened

on Oct 18, 2026

1

basalt-26.3.2-rc-20260916: backup: TestShowBackup failed

cockroachdb/cockroach#176145 · opened

on Oct 17, 2026

2

basalt-26.3.2-rc-20260916: roachtest: sqlalchemy failed

cockroachdb/cockroach#176144 · opened

on Oct 17, 2026

5

basalt-26.3.2-rc-20260916: roachtest: backup-restore/chaos failed

cockroachdb/cockroach#176143 · opened

on Oct 17, 2026

3

sql: COUNT(DISTINCT) overcounts when combined with percentile_cont

cockroachdb/cockroach#176141 · opened

on Oct 16, 2026

2

basalt-26.3.2-rc-20260916: kv/kvserver: TestDelegateSnapshot failed

cockroachdb/cockroach#176138 · opened

on Oct 15, 2026

overlay(): start + count overflows int64 and wraps, so overlay('abcdefghij' placing 'XY' from 3 for 9223372036854775806) appends the whole input again

cockroachdb/cockroach#176137 · opened

on Oct 15, 2026

1

width_bucket returns count + 1 without an overflow check: width_bucket(5, 3, 4, 9223372036854775807) returns -9223372036854775808

cockroachdb/cockroach#176136 · opened

on Oct 15, 2026

1

round(float, int) takes the scale modulo 2^32, so round(1.5::float8, 4294967296) = 2, and returns NaN for scales from 2000 to 2^32 - 2001

cockroachdb/cockroach#176135 · opened

on Oct 15, 2026

1

geo builtins: INT8 SRID, ST_CollectionExtract type and ST_Relate boundary-node-rule arguments are truncated to 32 bits, so 4326 + 2^32 is accepted as SRID 4326

cockroachdb/cockroach#176134 · opened

on Oct 15, 2026

1

basalt-26.3.2-rc-20260916: cli: TestConcurrentZip failed

cockroachdb/cockroach#176132 · opened

on Oct 14, 2026

2

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Issues

sql/schemachanger: `ALTER COLUMN ... TYPE` with a rewrite replaces values written during the schema change with NULL (or `''` / zero for NOT NULL columns)

sql: asyncpg type introspection query (WITH RECURSIVE typeinfo_tree) takes 65-165 ms on an empty cluster and 340-525 ms on Cloud Standard

basalt-26.3.2-rc-20260916: kv/kvnemesis: TestKVNemesisMultiNode_Restart_Liveness failed

Internal error "inverted column should have type encodedkey" for empty array containment on inverted index

sql: `ALTER COLUMN ... TYPE CHAR(m)` on a `VARCHAR(n)` column (m ≥ n) keeps trailing spaces; equality lookups and DELETE miss the rows and UNIQUE accepts duplicates

sql: `ALTER COLUMN ... TYPE STRING` on a BYTES column does not validate UTF-8 and stores invalid UTF-8 STRING values

changefeedccl: CSV changefeeds write SQL NULL as the bare word `NULL`, indistinguishable from the string `'NULL'`

sql: `COPY ... TO STDOUT WITH (FORMAT csv, NULL '<marker>')` does not quote values equal to the NULL marker, so they reload as NULL

sql: to_json/to_jsonb and JSON changefeeds encode TIMESTAMP/TIMESTAMPTZ `infinity` as `"294277-01-01T23:59:59.999999"` instead of `"infinity"`

basalt-26.3.2-rc-20260916: roachtest: activerecord failed

sql: casting the string 'infinity' to TIMESTAMP errors in the vectorized engine but returns infinity in the row engine

sql: casting FLOAT in [32767, 32767.5) to INT2 fails with "integer out of range" only in the vectorized engine

sql: RANGE window frame with an 'Inf' offset counts the NaN row in the row engine but not in the vectorized engine

sql: vectorized hash join misses matches between equal JSONB values that differ only in numeric scale ('1' vs '1.0')

sql: ILIKE returns different results with vectorize on and off for characters such as 'ı' (U+0131)

basalt-26.3.2-rc-20260916: backup: TestShowBackup failed

basalt-26.3.2-rc-20260916: roachtest: sqlalchemy failed

basalt-26.3.2-rc-20260916: roachtest: backup-restore/chaos failed

sql: COUNT(DISTINCT) overcounts when combined with percentile_cont

basalt-26.3.2-rc-20260916: kv/kvserver: TestDelegateSnapshot failed

overlay(): start + count overflows int64 and wraps, so overlay('abcdefghij' placing 'XY' from 3 for 9223372036854775806) appends the whole input again

width_bucket returns count + 1 without an overflow check: width_bucket(5, 3, 4, 9223372036854775807) returns -9223372036854775808

round(float, int) takes the scale modulo 2^32, so round(1.5::float8, 4294967296) = 2, and returns NaN for scales from 2000 to 2^32 - 2001

geo builtins: INT8 SRID, ST_CollectionExtract type and ST_Relate boundary-node-rule arguments are truncated to 32 bits, so 4326 + 2^32 is accepted as SRID 4326

basalt-26.3.2-rc-20260916: cli: TestConcurrentZip failed