R Under development (unstable) (2025-09-16 r88844 ucrt) -- "Unsuffered Consequences"
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> library("testthat")
> library("DBI")
> 
> test_check("duckdb")
Loading required package: duckdb
[ FAIL 0 | WARN 0 | SKIP 74 | PASS 798 ]

══ Skipped tests (74) ══════════════════════════════════════════════════════════
• On CRAN (35): 'test-DBItest.R:1:1', 'test-array.R:181:3',
  'test-array.R:196:3', 'test-array.R:211:3', 'test-array.R:368:3',
  'test-arrow.R:18:1', 'test-arrow_stream.R:1:1',
  'test-backend-dbplyr__duckdb_connection.R:391:3',
  'test-backend-dbplyr__duckdb_connection.R:422:3',
  'test-backend-dbplyr__duckdb_connection.R:464:3',
  'test-backend-dbplyr__duckdb_connection.R:488:3',
  'test-backend-dbplyr__duckdb_connection.R:533:3',
  'test-backend-dbplyr__duckdb_connection.R:562:3',
  'test-backend-dbplyr__duckdb_connection.R:586:3',
  'test-backend-dbplyr__duckdb_connection.R:601:3',
  'test-error-handling.R:7:3', 'test-explain.R:1:1',
  'test-extension_path.R:1:1', 'test-fetch_arrow.R:1:1', 'test-map.R:42:3',
  'test-multi_statement.R:1:1', 'test-register_arrow.R:1:1',
  'test-relational.R:83:3', 'test-relational.R:108:3',
  'test-relational.R:188:3', 'test-relational.R:848:3',
  'test-relational.R:867:3', 'test-relational.R:980:3',
  'test-relational.R:1008:3', 'test-signal.R:6:3', 'test-sql.R:42:3',
  'test-sql.R:137:3', 'test-sql.R:213:3', 'test-struct.R:51:3',
  '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:24:3', 'test-factor.R:38:3',
  'test-factor.R:66:3', 'test-read.R:2:3', 'test-read.R:147:3',
  'test-readonly.R:2:3', 'test-register.R:40:3', '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:111:3', 'test-struct.R:130:3',
  'test-timestamp.R:2:3', 'test-viewer.R:2:3', 'test-viewer.R:16:3',
  'test-viewer.R:36:3', 'test-viewer.R:57:3', 'test-viewer.R:75:3'
• empty test (1): 'test-factor.R:78:1'
• interactive() is not TRUE (2): 'test-connect.R:5:3', 'test-connect.R:15:3'

[ FAIL 0 | WARN 0 | SKIP 74 | PASS 798 ]
> 
> proc.time()
   user  system elapsed 
  38.53   28.01   62.06