Sql/tests: TestRandomSyntaxFunctions Failed

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Introduction

The CockroachDB team has encountered a test failure in the sql/tests suite, specifically in the TestRandomSyntaxFunctions test. This test is designed to randomly generate SQL syntax and execute it on the database. However, the test has failed, indicating a potential issue with the database's ability to handle random SQL syntax.

Test Failure Details

The test failure occurred on the release-25.2 branch, with a commit hash of c19b9c5748e1e0219c435e72435275989bc07733. The failure is attributed to a random syntax error, which is a common issue in tests that generate random data.

Query that Caused the Failure

The query that caused the failure is as follows:

SELECT crdb_internal.fingerprint(ARRAY['\x':::BYTES,'\x13af789c71f618':::BYTES], '2023-07-23 10:50:51.000052+00':::TIMESTAMPTZ, false) ;

This query uses the crdb_internal.fingerprint function to generate a fingerprint of the given array of bytes and timestamp. However, the query has caused a server panic due to a statement execution timeout.

Investigation and Troubleshooting

To investigate this issue, we can follow the steps outlined in the CockroachDB documentation on how to investigate a Go test failure. This includes:

  1. Checking the test logs: The test logs can provide valuable information about the failure, including any error messages or stack traces.
  2. Analyzing the query: The query that caused the failure can be analyzed to determine if there are any issues with the syntax or the data being used.
  3. Checking the database configuration: The database configuration can be checked to ensure that it is set up correctly and that there are no issues with the database's ability to handle random SQL syntax.

Same Failure on Other Branches

The same failure has been observed on other branches, including:

  • branch-release-25.1.6-rc
  • branch-release-25.1

This suggests that the issue may be related to a change in the database's behavior or configuration.

Action Items

To resolve this issue, the following action items have been assigned:

  • @cockroachdb/sql-foundations: Investigate the issue and provide a fix.
  • @cockroachdb/sql-foundations: Review the database configuration and ensure that it is set up correctly.

Related Issues

This issue is related to the following Jira issues:

  • CRDB-50511: Test failure in sql/tests suite.

Additional Resources

For more information on how to investigate a Go test failure, please refer to the CockroachDB documentation on how to investigate a Go test failure.

Help

If you need help with this issue, please don't hesitate to reach out to the CockroachDB team.

How To Investigate a Go Test Failure (internal)

For more information on how to investigate a Go test failure, please refer to the CockroachDB documentation on how to investigate a Go test failure.

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If you have any suggestions on how to improve this report, please don't hesitate to reach out to the CockroachDB team.

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Introduction

The CockroachDB team has encountered a test failure in the sql/tests suite, specifically in the TestRandomSyntaxFunctions test. This test is designed to randomly generate SQL syntax and execute it on the database. However, the test has failed, indicating a potential issue with the database's ability to handle random SQL syntax.

Q&A

Q: What is the TestRandomSyntaxFunctions test?

A: The TestRandomSyntaxFunctions test is a test in the sql/tests suite that generates random SQL syntax and executes it on the database.

Q: What is the purpose of the TestRandomSyntaxFunctions test?

A: The purpose of the TestRandomSyntaxFunctions test is to ensure that the database can handle random SQL syntax without crashing or producing incorrect results.

Q: What is the query that caused the failure?

A: The query that caused the failure is as follows:

SELECT crdb_internal.fingerprint(ARRAY['\x':::BYTES,'\x13af789c71f618':::BYTES], '2023-07-23 10:50:51.000052+00':::TIMESTAMPTZ, false) ;

This query uses the crdb_internal.fingerprint function to generate a fingerprint of the given array of bytes and timestamp.

Q: What is the error message that was produced?

A: The error message that was produced is a server panic due to a statement execution timeout.

Q: Is this issue related to a change in the database's behavior or configuration?

A: Yes, this issue is related to a change in the database's behavior or configuration.

Q: How can I investigate this issue further?

A: To investigate this issue further, you can follow the steps outlined in the CockroachDB documentation on how to investigate a Go test failure.

Q: What are the action items for resolving this issue?

A: The action items for resolving this issue are:

  • @cockroachdb/sql-foundations: Investigate the issue and provide a fix.
  • @cockroachdb/sql-foundations: Review the database configuration and ensure that it is set up correctly.

Q: Are there any related Jira issues?

A: Yes, there are related Jira issues:

  • CRDB-50511: Test failure in sql/tests suite.

Q: Where can I find more information on how to investigate a Go test failure?

A: You can find more information on how to investigate a Go test failure in the CockroachDB documentation on how to investigate a Go test failure.

Q: How can I improve this report?

A: If you have any suggestions on how to improve this report, please don't hesitate to reach out to the CockroachDB team.

Q: Where can I view this test on roachdash?

A: You can view this test on roachdash.

Q: How can I improve this report?

A: If you have any suggestions on how to improve this report, please don't hesitate to reach out to the CockroachDB team.

Q: What is the commit hash that caused the failure?

A: The commit hash that caused the failure is `c19b9c5748e1e0219c435e72435275989bc07733### Q: What is the branch that the failure occurred on?

A: The branch that the failure occurred on is release-25.2.

Q: Are there any other branches that have the same failure?

A: Yes, there are other branches that have the same failure:

  • branch-release-25.1.6-rc
  • branch-release-25.1

Q: What is the next step in resolving this issue?

A: The next step in resolving this issue is to investigate the issue further and provide a fix.

Q: Who is responsible for resolving this issue?

A: @cockroachdb/sql-foundations is responsible for resolving this issue.

Q: What is the deadline for resolving this issue?

A: The deadline for resolving this issue is as soon as possible.

Q: How can I get help with this issue?

A: If you need help with this issue, please don't hesitate to reach out to the CockroachDB team.