Deepthi

[YSQL] YSQL DDL Atomicity

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Jira Link: [DB-2996](https://yugabyte.atlassian.net/browse/DB-2996) ### Description Currently YSQL table metadata is stored in both the PG catalog and DocDB sys-catalog. This ticket tracks building infrastructure to roll-back any DocDB side schema...

[YSQL] Spurious duplicate key constraint while creating unique index using online index backfill

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Jira Link: [DB-2962](https://yugabyte.atlassian.net/browse/DB-2962) ### Description This error was noted while creating unique index using online index backfill: ``` person_core=# create unique index testidx on test(testid) include (profile_id, card_id, email_address); ERROR:...

Jira Link: [DB-2963](https://yugabyte.atlassian.net/browse/DB-2963) ### Description Currently, if the user tries to create a unique constraint in the following manner: ``` ALTER TABLE test ADD CONSTRAINT test_unique_constraint UNIQUE(unique_field); ``` This initiates...

[YSQL] Long running Index Build fails with "Snapshot too old" errors

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Jira Link: [DB-2965](https://yugabyte.atlassian.net/browse/DB-2965) ### Description When a customer tried to create an index on a ~3.3G table via non-concurrent index build, it failed with the following error: ``` ERROR: Snapshot...