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| 1 | +# Tests that unlogged tables are properly reinitialized after a crash. |
| 2 | +# |
| 3 | +# The behavior should be the same when restoring from a backup, but |
| 4 | +# that is not tested here. |
| 5 | + |
| 6 | +use strict; |
| 7 | +use warnings; |
| 8 | +use PostgresNode; |
| 9 | +use TestLib; |
| 10 | +use Test::More tests => 12; |
| 11 | + |
| 12 | +my $node = get_new_node('main'); |
| 13 | + |
| 14 | +$node->init; |
| 15 | +$node->start; |
| 16 | +my $pgdata = $node->data_dir; |
| 17 | + |
| 18 | +# Create an unlogged table to test that forks other than init are not |
| 19 | +# copied. |
| 20 | +$node->safe_psql('postgres', 'CREATE UNLOGGED TABLE base_unlogged (id int)'); |
| 21 | + |
| 22 | +my $baseUnloggedPath = $node->safe_psql('postgres', |
| 23 | + q{select pg_relation_filepath('base_unlogged')}); |
| 24 | + |
| 25 | +# Test that main and init forks exist. |
| 26 | +ok(-f "$pgdata/${baseUnloggedPath}_init", 'init fork in base exists'); |
| 27 | +ok(-f "$pgdata/$baseUnloggedPath", 'main fork in base exists'); |
| 28 | + |
| 29 | +# Create an unlogged table in a tablespace. |
| 30 | + |
| 31 | +my $tablespaceDir = TestLib::tempdir; |
| 32 | + |
| 33 | +$node->safe_psql('postgres', |
| 34 | + "CREATE TABLESPACE ts1 LOCATION '$tablespaceDir'"); |
| 35 | +$node->safe_psql('postgres', |
| 36 | + 'CREATE UNLOGGED TABLE ts1_unlogged (id int) TABLESPACE ts1'); |
| 37 | + |
| 38 | +my $ts1UnloggedPath = $node->safe_psql('postgres', |
| 39 | + q{select pg_relation_filepath('ts1_unlogged')}); |
| 40 | + |
| 41 | +# Test that main and init forks exist. |
| 42 | +ok(-f "$pgdata/${ts1UnloggedPath}_init", 'init fork in tablespace exists'); |
| 43 | +ok(-f "$pgdata/$ts1UnloggedPath", 'main fork in tablespace exists'); |
| 44 | + |
| 45 | +# Crash the postmaster. |
| 46 | +$node->stop('immediate'); |
| 47 | + |
| 48 | +# Write fake forks to test that they are removed during recovery. |
| 49 | +append_to_file("$pgdata/${baseUnloggedPath}_vm", 'TEST_VM'); |
| 50 | +append_to_file("$pgdata/${baseUnloggedPath}_fsm", 'TEST_FSM'); |
| 51 | + |
| 52 | +# Remove main fork to test that it is recopied from init. |
| 53 | +unlink("$pgdata/${baseUnloggedPath}") |
| 54 | + or BAIL_OUT("could not remove \"${baseUnloggedPath}\": $!"); |
| 55 | + |
| 56 | +# the same for the tablespace |
| 57 | +append_to_file("$pgdata/${ts1UnloggedPath}_vm", 'TEST_VM'); |
| 58 | +append_to_file("$pgdata/${ts1UnloggedPath}_fsm", 'TEST_FSM'); |
| 59 | +unlink("$pgdata/${ts1UnloggedPath}") |
| 60 | + or BAIL_OUT("could not remove \"${ts1UnloggedPath}\": $!"); |
| 61 | + |
| 62 | +$node->start; |
| 63 | + |
| 64 | +# check unlogged table in base |
| 65 | +ok(-f "$pgdata/${baseUnloggedPath}_init", |
| 66 | + 'init fork in base still exists'); |
| 67 | +ok(-f "$pgdata/$baseUnloggedPath", |
| 68 | + 'main fork in base recreated at startup'); |
| 69 | +ok( !-f "$pgdata/${baseUnloggedPath}_vm", |
| 70 | + 'vm fork in base removed at startup'); |
| 71 | +ok( !-f "$pgdata/${baseUnloggedPath}_fsm", |
| 72 | + 'fsm fork in base removed at startup'); |
| 73 | + |
| 74 | +# check unlogged table in tablespace |
| 75 | +ok( -f "$pgdata/${ts1UnloggedPath}_init", |
| 76 | + 'init fork still exists in tablespace'); |
| 77 | +ok(-f "$pgdata/$ts1UnloggedPath", |
| 78 | + 'main fork in tablespace recreated at startup'); |
| 79 | +ok( !-f "$pgdata/${ts1UnloggedPath}_vm", |
| 80 | + 'vm fork in tablespace removed at startup'); |
| 81 | +ok( !-f "$pgdata/${ts1UnloggedPath}_fsm", |
| 82 | + 'fsm fork in tablespace removed at startup'); |
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