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feat: add EXPLAIN plan support with dialect-aware SQL generation #298

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Merged
cofin merged 7 commits into from
Dec 26, 2025
Merged

feat: add EXPLAIN plan support with dialect-aware SQL generation #298

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9c6cc79
feat: add EXPLAIN plan support with dialect-aware SQL generation
cofin Dec 26, 2025
15111e0
fix: correct fixture names in integration tests
cofin Dec 26, 2025
a414198
fix(tests): skip ADBC explain tests, fix BigQuery fixture name
cofin Dec 26, 2025
36f4c0f
fix(tests): skip BigQuery EXPLAIN tests - emulator doesn't support it
cofin Dec 26, 2025
5137474
fix(tests): fix EXPLAIN integration test failures
cofin Dec 26, 2025
4001b80
fix(tests): use Explain directly for dialect-specific tests
cofin Dec 26, 2025
0185b15
fix(tests): use raw SQL for dialect-specific EXPLAIN tests
cofin Dec 26, 2025
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780 changes: 35 additions & 745 deletions AGENTS.md
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2 changes: 2 additions & 0 deletions docs/guides/architecture/custom-sqlglot-dialects.md
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Original file line number Diff line number Diff line change
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# Custom SQLglot Dialects

<a id="custom-sqlglot-dialect"></a>

This guide explains how SQLSpec implements and uses custom SQLglot dialects for database-specific SQL features.

## Overview
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