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file_fdw: Add on_error and log_verbosity options to file_fdw.

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In v17, the on_error and log_verbosity options were introduced for
the COPY command. This commit extends support for these options
to file_fdw.

Setting on_error = 'ignore' for a file_fdw foreign table allows users
to query it without errors, even when the input file contains
malformed rows, by skipping the problematic rows.

Both on_error and log_verbosity options apply to SELECT and ANALYZE
operations on file_fdw foreign tables.

Author: Atsushi Torikoshi
Reviewed-by: Masahiko Sawada, Fujii Masao
Discussion: https://postgr.es/m/ab59dad10490ea3734cf022b16c24cfd@oss.nttdata.com
This commit is contained in:
Fujii Masao
2024-10-03 15:57:32 +09:00
parent e7834a1a25
commit a1c4c8a9e1
4 changed files with 141 additions and 17 deletions
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7
contrib/file_fdw/sql/file_fdw.sql
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@ -150,6 +150,13 @@ SELECT * FROM agg_csv c JOIN agg_text t ON (t.a = c.a) ORDER BY c.a;
-- error context report tests
SELECT * FROM agg_bad; -- ERROR
-- on_error and log_verbosity tests
ALTER FOREIGN TABLE agg_bad OPTIONS (ADD on_error 'ignore');
SELECT * FROM agg_bad;
ALTER FOREIGN TABLE agg_bad OPTIONS (ADD log_verbosity 'silent');
SELECT * FROM agg_bad;
ANALYZE agg_bad;
-- misc query tests
\t on
SELECT explain_filter('EXPLAIN (VERBOSE, COSTS FALSE) SELECT * FROM agg_csv');