R Under development (unstable) (2025-06-19 r88329 ucrt) -- "Unsuffered Consequences"
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> library("testthat")
> library("DBI")
> 
> test_check("duckdb")
Loading required package: duckdb
[ FAIL 0 | WARN 0 | SKIP 70 | PASS 748 ]

══ Skipped tests (70) ══════════════════════════════════════════════════════════
• On CRAN (31): 'test-DBItest.R:1:1', 'test-array.R:191:3',
  'test-array.R:207:3', 'test-array.R:223:3', 'test-array.R:390:3',
  'test-arrow.R:18:1', 'test-arrow_stream.R:1:1',
  'test-backend-dbplyr__duckdb_connection.R:402:3',
  'test-backend-dbplyr__duckdb_connection.R:434:3',
  'test-backend-dbplyr__duckdb_connection.R:477:3',
  'test-backend-dbplyr__duckdb_connection.R:502:3',
  'test-backend-dbplyr__duckdb_connection.R:548:3',
  'test-backend-dbplyr__duckdb_connection.R:578:3',
  'test-backend-dbplyr__duckdb_connection.R:603:3',
  'test-backend-dbplyr__duckdb_connection.R:619:3', 'test-explain.R:1:1',
  'test-extension_path.R:1:1', 'test-fetch_arrow.R:1:1', 'test-map.R:43:3',
  'test-multi_statement.R:1:1', 'test-register_arrow.R:1:1',
  'test-relational.R:84:3', 'test-relational.R:109:3',
  'test-relational.R:189:3', 'test-relational.R:849:3',
  'test-relational.R:868:3', 'test-relational.R:981:3',
  'test-relational.R:1008:3', 'test-signal.R:6:3', 'test-struct.R:52:3',
  'test-tbl__duckdb_connection.R:1:1'
• On Windows (1): 'test-types.R:2:3'
• TEST_RE2 is not TRUE (35): 'test-connect.R:59:3', 'test-connect.R:79:3',
  'test-connect.R:99:3', 'test-connect.R:119:3', 'test-connect.R:144:3',
  'test-connect.R:167:3', 'test-connect.R:188:3', 'test-dbwritetable.R:2:3',
  'test-factor.R:2:3', 'test-factor.R:25:3', 'test-factor.R:40:3',
  'test-factor.R:69:3', 'test-read.R:2:3', 'test-read.R:147:3',
  'test-readonly.R:2:3', 'test-register.R:41:3', 'test-rel_api.R:7572:3',
  'test-rel_api.R:7659:3', 'test-rel_api.R:7749:3', 'test-rel_api.R:7839:3',
  'test-rel_api.R:7929:3', 'test-rel_api.R:11050:3', 'test-rel_api.R:11142:3',
  'test-rel_api.R:11237:3', 'test-rel_api.R:11332:3', 'test-rel_api.R:11427:3',
  'test-shutdown.R:2:3', 'test-struct.R:113:3', 'test-struct.R:133:3',
  'test-timestamp.R:2:3', 'test-viewer.R:2:3', 'test-viewer.R:17:3',
  'test-viewer.R:38:3', 'test-viewer.R:60:3', 'test-viewer.R:80:3'
• empty test (1): 'test-factor.R:82:1'
• interactive() is not TRUE (2): 'test-connect.R:5:3', 'test-connect.R:15:3'

[ FAIL 0 | WARN 0 | SKIP 70 | PASS 748 ]
> 
> proc.time()
   user  system elapsed 
  23.43   18.10   32.21