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fix: handle table_schema = '' without failing #15901

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merged 2 commits into from
May 9, 2024

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systay
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@systay systay commented May 9, 2024

Description

The engine primitive handling info_schema routing was not able to handle queries with the predicate:
WHERE table_schema = ''.

This PR fixes that.

Related Issue(s)

Fixes #15902

Checklist

  • "Backport to:" labels have been added if this change should be back-ported to release branches
  • If this change is to be back-ported to previous releases, a justification is included in the PR description
  • Tests were added or are not required
  • Did the new or modified tests pass consistently locally and on CI?
  • Documentation was added or is not required

Signed-off-by: Andres Taylor <andres@planetscale.com>
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vitess-bot bot commented May 9, 2024

Review Checklist

Hello reviewers! 👋 Please follow this checklist when reviewing this Pull Request.

General

  • Ensure that the Pull Request has a descriptive title.
  • Ensure there is a link to an issue (except for internal cleanup and flaky test fixes), new features should have an RFC that documents use cases and test cases.

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  • Protobuf changes should be wire-compatible.
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@vitess-bot vitess-bot bot added NeedsBackportReason If backport labels have been applied to a PR, a justification is required NeedsDescriptionUpdate The description is not clear or comprehensive enough, and needs work NeedsIssue A linked issue is missing for this Pull Request NeedsWebsiteDocsUpdate What it says labels May 9, 2024
@github-actions github-actions bot added this to the v20.0.0 milestone May 9, 2024
@systay systay removed NeedsDescriptionUpdate The description is not clear or comprehensive enough, and needs work NeedsIssue A linked issue is missing for this Pull Request NeedsBackportReason If backport labels have been applied to a PR, a justification is required NeedsWebsiteDocsUpdate What it says labels May 9, 2024
Signed-off-by: Andres Taylor <andres@planetscale.com>
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@GuptaManan100 GuptaManan100 left a comment

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LGTM

@systay systay merged commit f86f131 into vitessio:main May 9, 2024
90 of 91 checks passed
@systay systay deleted the table_schema_empty branch May 9, 2024 10:41
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Query returns "missing bind var __vtschemaname"
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