## Chapter 33. Regression Tests

**Table of Contents**

[33.1. Running the Tests](regress-run.html)

[33.1.1. Running the Tests Against a Temporary Installation](regress-run.html#id-1.6.20.5.3)

[33.1.2. Running the Tests Against an Existing Installation](regress-run.html#id-1.6.20.5.4)

[33.1.3. Additional Test Suites](regress-run.html#id-1.6.20.5.5)

[33.1.4. Locale and Encoding](regress-run.html#id-1.6.20.5.6)

[33.1.5. Custom Server Settings](regress-run.html#id-1.6.20.5.7)

[33.1.6. Extra Tests](regress-run.html#id-1.6.20.5.8)

[33.1.7. Testing Hot Standby](regress-run.html#id-1.6.20.5.9)

[33.2. Test Evaluation](regress-evaluation.html)

[33.2.1. Error Message Differences](regress-evaluation.html#id-1.6.20.6.6)

[33.2.2. Locale Differences](regress-evaluation.html#id-1.6.20.6.7)

[33.2.3. Date and Time Differences](regress-evaluation.html#id-1.6.20.6.8)

[33.2.4. Floating-Point Differences](regress-evaluation.html#id-1.6.20.6.9)

[33.2.5. Row Ordering Differences](regress-evaluation.html#id-1.6.20.6.10)

[33.2.6. Insufficient Stack Depth](regress-evaluation.html#id-1.6.20.6.11)

[33.2.7. The “random” Test](regress-evaluation.html#id-1.6.20.6.12)

[33.2.8. Configuration Parameters](regress-evaluation.html#id-1.6.20.6.13)

[33.3. Variant Comparison Files](regress-variant.html)

[33.4. TAP Tests](regress-tap.html)

[33.5. Test Coverage Examination](regress-coverage.html)

[]()[]()

 The regression tests are a comprehensive set of tests for the SQL implementation in PostgreSQL. They test standard SQL operations as well as the extended capabilities of PostgreSQL.

