feat: support qualified single-table select columns - #32
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…solver When a query contains the JOIN keyword, route each SELECT column through the multi-table resolver from parser::joins (landed in the prior PR). Qualified columns now resolve across the alias map and land in QueryDef.returns with source_table populated. Queries without JOIN keep the existing single-table path unchanged — ensure_supported_select_expr still rejects qualified selects there. Lifting that restriction for single-table queries is a separate effort (PR #32 was in flight before this series). Changes: - resolve_return_columns gains a &[TableDef] schema_tables param - JOIN_DETECT_RE gates multi-table resolution - resolve_return_columns_multi_table rejects SELECT * across joins with a clear v1.2 pointer - Parser propagates schema_tables from parse_queries to resolve_return_columns Tests: - 5 new postgres parser unit tests (qualified columns, AS aliases, SELECT * rejection, LEFT JOIN rejection, single-table rejection still active) - Updated the cli test that was asserting the old rejection — it now asserts the JOIN query succeeds (renamed from cli_generate_rejects_ qualified_selects to cli_generate_accepts_multi_table_inner_join) 158 lib + 11 CLI + 2 e2e + 4 typecheck tests all pass. Clippy clean.
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JagritGumber
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Apr 20, 2026
…solver When a query contains the JOIN keyword, route each SELECT column through the multi-table resolver from parser::joins (landed in the prior PR). Qualified columns now resolve across the alias map and land in QueryDef.returns with source_table populated. Queries without JOIN keep the existing single-table path unchanged — ensure_supported_select_expr still rejects qualified selects there. Lifting that restriction for single-table queries is a separate effort (PR #32 was in flight before this series). Changes: - resolve_return_columns gains a &[TableDef] schema_tables param - JOIN_DETECT_RE gates multi-table resolution - resolve_return_columns_multi_table rejects SELECT * across joins with a clear v1.2 pointer - Parser propagates schema_tables from parse_queries to resolve_return_columns Tests: - 5 new postgres parser unit tests (qualified columns, AS aliases, SELECT * rejection, LEFT JOIN rejection, single-table rejection still active) - Updated the cli test that was asserting the old rejection — it now asserts the JOIN query succeeds (renamed from cli_generate_rejects_ qualified_selects to cli_generate_accepts_multi_table_inner_join) 158 lib + 11 CLI + 2 e2e + 4 typecheck tests all pass. Clippy clean.
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Superseded by #66 — same feature, rebased + integrated with the INNER JOIN multi-table resolver work that landed after this PR was written. |
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