Pass through DuckDB SHOW commands (TABLES, DATABASES, ALL)#268
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SHOW TABLES, SHOW DATABASES, and SHOW ALL were being rejected with "unrecognized configuration parameter" because the transpiler's catch-all treated any single-word SHOW argument as a PostgreSQL config parameter. These are valid DuckDB commands that return result sets and should be forwarded to DuckDB unchanged.
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Summary
SHOW TABLES,SHOW DATABASES, andSHOW ALLwere rejected with "unrecognized configuration parameter" because the SetShow transpiler catch-all treated any single-word SHOW argument as a PostgreSQL config parameterSHOW ALL TABLESalready worked via theFallbackToNativepath (pg_query can't parse it)Test plan
SHOW TABLES,SHOW DATABASES,SHOW ALLpassthroughgolangci-lintclean