{"id":1042,"date":"2024-01-19T23:40:02","date_gmt":"2024-01-19T14:40:02","guid":{"rendered":"https:\/\/shinke1987.net\/?p=1042"},"modified":"2024-01-19T23:40:03","modified_gmt":"2024-01-19T14:40:03","slug":"%e3%83%ad%e3%82%b8%e3%82%ab%e3%83%ab%e3%83%ac%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%a7%e8%89%b2%e3%80%85%e8%a9%a6%e3%81%97%e3%81%a6%e3%81%bf%e3%82%8b","status":"publish","type":"post","link":"https:\/\/shinke1987.net\/?p=1042","title":{"rendered":"\u30ed\u30b8\u30ab\u30eb\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u8272\u3005\u8a66\u3057\u3066\u307f\u308b"},"content":{"rendered":"\n

\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u306b\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u3089\u3069\u3046\u306a\u308b\uff1f<\/h2>\n\n\n\n

\u74b0\u5883\u69cb\u7bc9<\/h3>\n\n\n\n

\u524d\u56de<\/a>\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5229\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u3092\u4f5c\u6210\u3057\u305f\u3089\u3001\u78ba\u8a8d\u306e\u305f\u3081\u306b\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001
\u6307\u5b9a\u3059\u308bpostgresql.conf\u30d5\u30a1\u30a4\u30eb\u304c\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n

\nshow config_file;\n<\/pre><\/div>\n\n\n
config_file\u306e\u5834\u6240\u3068\u3057\u3066\u3001
\/etc\/postgresql\/postgresql.conf \u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070\u826f\u3044\u3002<\/p>\n\n\n\n
\u30d7\u30e9\u30a4\u30de\u30ea\u3067\u306e\u4f5c\u696d<\/h3>\n\n\n
\ncreate table table1 (id integer, data varchar(10));\n\ninsert into table1 values(1, 'data1');\ninsert into table1 values(2, 'data2');\ninsert into table1 values(3, 'data3');\n\nCREATE PUBLICATION test_publication FOR TABLE table1;\n<\/pre><\/div>\n\n\n
\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u3067\u306e\u4f5c\u696d<\/h3>\n\n\n
\nCREATE SUBSCRIPTION test_subscription\n    CONNECTION 'host=PrimaryPostgreSQL port=5432 dbname=TestDB user=shinke1987 password=password'\n    PUBLICATION test_publication;\n<\/pre><\/div>\n\n\n
\u4e0a\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n\n\n
\n[42P01] ERROR: relation "public.table1" does not exist\n<\/pre><\/div>\n\n\n
\u30c6\u30fc\u30d6\u30eb\u306f\u81ea\u52d5\u3067\u4f5c\u6210\u3055\u308c\u306a\u3044\u3002<\/p>\n\n\n\n
\u30b9\u30ad\u30fc\u30de\u304c\u4e00\u81f4\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u3089\u3069\u3046\u306a\u308b\uff1f<\/h2>\n\n\n\n
\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u3067\u306e\u4f5c\u696d<\/h3>\n\n\n\n
\u4e0a\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u72b6\u614b\u304b\u3089\u7d9a\u304d\u3092\u884c\u3046\u3002<\/p>\n\n\n
\n-- \u30b9\u30ad\u30fc\u30de\u4f5c\u6210\u3002\nCREATE SCHEMA TestSchema;\n\n-- \u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\u3002\nCREATE TABLE TestSchema.table1\n(\n    id   integer,\n    data varchar(10)\n);\n\n-- \u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u4f5c\u6210\u3002\nCREATE SUBSCRIPTION test_subscription\n    CONNECTION 'host=PrimaryPostgreSQL port=5432 dbname=TestDB user=shinke1987 password=password'\n    PUBLICATION test_publication;\n<\/pre><\/div>\n\n\n
\u4e0a\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n\n\n
\n[42P01] ERROR: relation "public.table1" does not exist\n<\/pre><\/div>\n\n\n
\u30c6\u30fc\u30d6\u30eb\u306f\u81ea\u52d5\u3067\u4f5c\u6210\u3055\u308c\u306a\u3044\u3002<\/p>\n\n\n\n
DROP SUBSCRIPTION\u3092\u5b9f\u884c\u3059\u308b\u3068\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u306e\u30c6\u30fc\u30d6\u30eb\u306f\u524a\u9664\u3055\u308c\u308b\uff1f<\/h2>\n\n\n\n
\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u3067\u306e\u4f5c\u696d<\/h3>\n\n\n\n
\u4e0a\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u72b6\u614b\u304b\u3089\u7d9a\u304d\u3092\u884c\u3046\u3002<\/p>\n\n\n
\n-- public\u30b9\u30ad\u30fc\u30de\u306b\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\u3002\nCREATE TABLE table1\n(\n    id   integer,\n    data varchar(10)\n);\n\n-- \u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u4f5c\u6210\u3002\nCREATE SUBSCRIPTION test_subscription\n    CONNECTION 'host=PrimaryPostgreSQL port=5432 dbname=TestDB user=shinke1987 password=password'\n    PUBLICATION test_publication;\n\n-- \u540c\u671f\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3002\nSELECT * FROM table1;\n\n-- \u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u524a\u9664\u3002\nDROP SUBSCRIPTION test_subscription;\n<\/pre><\/div>\n\n\n
\u4e0a\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3002<\/p>\n\n\n
\ndropped replication slot "test_subscription" on publisher\n<\/pre><\/div>\n\n\n
\u6b21\u306b\u30c6\u30fc\u30d6\u30eb\u3084\u305d\u306e\u5185\u5bb9\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u6b21\u306eSQL\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n\n\n
\nSELECT * FROM table1;\n<\/pre><\/div>\n\n\n
\u524a\u9664\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3002<\/p>\n\n\n\n
\u6b21\u306b\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u304c\u524a\u9664\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u6b21\u306eSQL\u3092\u5b9f\u884c\u3059\u308b\u3002<\/p>\n\n\n
\nSELECT * FROM pg_subscription WHERE subname = 'test_subscription';\n<\/pre><\/div>\n\n\n
\u524a\u9664\u3055\u308c\u3066\u3044\u305f\u3002<\/p>\n\n\n\n
\u518d\u5ea6\u540c\u3058\u30b3\u30de\u30f3\u30c9\u3092\u5229\u7528\u3057\u3066\u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u3067\u30c7\u30fc\u30bf\u30921\u4ef6\u633f\u5165\u3059\u308b\u3068\u6b21\u306e\u7d50\u679c\u306b\u306a\u3063\u305f\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u5143\u3005\u5b58\u5728\u3057\u3066\u3044\u305f\uff081\u56de\u76ee\u306e\u30ed\u30b8\u30ab\u30eb\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u540c\u671f\u5185\u5bb9\uff09\u306f\u524a\u9664\u3055\u308c\u305a\u306b\u3001
\u4eca\u306e\u30d7\u30e9\u30a4\u30de\u30ea\u306e\u30c6\u30fc\u30d6\u30eb\u5185\u5bb9\u304c\u8ffd\u52a0\u3055\u308c\u305f\u5f62\u306b\u306a\u3063\u305f\u3002<\/p>\n\n\n\n
\u540c\u671f\u3057\u3066\u30b3\u30f3\u30d5\u30ea\u30af\u30c8\u304c\u8d77\u3053\u308b\u3068\u3069\u3046\u306a\u308b\uff1f<\/h2>\n\n\n\n
\u74b0\u5883\u69cb\u7bc9<\/h3>\n\n\n\n
\u524d\u56de<\/a>\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5229\u7528\u3057\u3066\u30b3\u30f3\u30c6\u30ca\u3092\u4f5c\u6210\u3057\u305f\u3089\u3001\u78ba\u8a8d\u306e\u305f\u3081\u306b\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001
\u6307\u5b9a\u3059\u308bpostgresql.conf\u30d5\u30a1\u30a4\u30eb\u304c\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n
\nshow config_file;\n<\/pre><\/div>\n\n\n
config_file\u306e\u5834\u6240\u3068\u3057\u3066\u3001
\/etc\/postgresql\/postgresql.conf \u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070\u826f\u3044\u3002<\/p>\n\n\n\n
\u30d7\u30e9\u30a4\u30de\u30ea\u3067\u306e\u4f5c\u696d<\/h3>\n\n\n
\n-- \u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\u3002\nCREATE TABLE public.table1 (\n    id integer,\n    data varchar(10)\n);\n\n-- \u30c7\u30fc\u30bf\u633f\u5165\u3002\ninsert into table1 values(1, 'data1');\ninsert into table1 values(2, 'data2');\ninsert into table1 values(3, 'data3');\n\n-- \u30d1\u30d6\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u4f5c\u6210\u3002\nCREATE PUBLICATION test_publication FOR TABLE table1;\n<\/pre><\/div>\n\n\n
\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u3067\u306e\u4f5c\u696d<\/h3>\n\n\n
\n-- \u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\u3002\nCREATE TABLE public.table1 (\n    id integer unique,\n    data varchar(10)\n);\n\n-- \u30c7\u30fc\u30bf\u633f\u5165\u3002\nINSERT INTO table1 VALUES(1, 'data1-1');\n\n-- \u30b5\u30d6\u30b9\u30af\u30ea\u30d7\u30b7\u30e7\u30f3\u4f5c\u6210\u3002\nCREATE SUBSCRIPTION test_subscription\n    CONNECTION 'host=PrimaryPostgreSQL port=5432 dbname=TestDB user=shinke1987 password=password'\n    PUBLICATION test_publication;\n<\/pre><\/div>\n\n\n
\u4e0a\u8a18\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u6b21\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u3002<\/p>\n\n\n
\ncreated replication slot "test_subscription" on publisher\n<\/pre><\/div>\n\n\n
\u6b21\u306eSQL\u3092\u5b9f\u884c\u3057\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30fc\u30bf\u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n
\nSELECT * FROM table1;\n<\/pre><\/div>\n\n\n
\u5148\u307b\u3069\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u3067\u633f\u5165\u3057\u305f\u30c7\u30fc\u30bf1\u4ef6\u3057\u304b\u5165\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u3002
\uff08\u540c\u671f\u3055\u308c\u306a\u304b\u3063\u305f\uff09<\/p>\n\n\n\n
\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u306e\u30ed\u30b0\u3092\u898b\u308b\u3068\u3053\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u305f\u3002<\/p>\n\n\n
\n[79] LOG:  logical replication apply worker for subscription "test_subscription" has started\n[80] LOG:  logical replication table synchronization worker for subscription "test_subscription", table "table1" has started\n[80] ERROR:  duplicate key value violates unique constraint "table1_id_key"\n[80] DETAIL:  Key (id)=(1) already exists.\n[80] CONTEXT:  COPY table1, line 1\n[1] LOG:  background worker "logical replication worker" (PID 80) exited with exit code 1\n<\/pre><\/div>\n\n\n
\u5b9a\u671f\u7684\u306b\u518d\u5b9f\u884c\u30fb\u518d\u540c\u671f\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u306e\u3067\u3001\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30b3\u30f3\u30d5\u30ea\u30af\u30c8\u3057\u3066\u3044\u308b\u30c7\u30fc\u30bf\u3092\u524a\u9664\u3059\u308b\u3002<\/p>\n\n\n
\nTRUNCATE table1;\n<\/pre><\/div>\n\n\n
3\u79d2\u307b\u3069\u3057\u3066\u30c6\u30fc\u30d6\u30eb\u306e\u5185\u5bb9\u3092SELECT\u6587\u3067\u8868\u793a\u3059\u308b\u3068\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u306e\u30c7\u30fc\u30bf\u304c\u540c\u671f\u3055\u308c\u3066\u3044\u305f\u3002<\/p>\n\n\n\n
\u540c\u671f\u4e2d\u306b\u30d7\u30e9\u30a4\u30de\u30ea\u304c\u30c0\u30a6\u30f3\u3057\u305f\u3089\u3069\u3046\u306a\u308b\uff1f<\/h2>\n\n\n\n
\u4e0a\u306e\u30d7\u30e9\u30a4\u30de\u30ea\u306e\u30c7\u30fc\u30bf\u304c\u540c\u671f\u3055\u308c\u3066\u3044\u308b\u72b6\u614b\u3067\u3001\u30d7\u30e9\u30a4\u30de\u30ea\u306e\u30b3\u30f3\u30c6\u30ca\u3060\u3051\u3092\u505c\u6b62\u3059\u308b\u3068\u3001
\u7d041\u79d2\u5f8c\u306b\u6b21\u306e\u30ed\u30b0\u304c\u6d41\u308c\u305f\u3002<\/p>\n\n\n
\n[249] ERROR:  could not connect to the publisher: could not translate host name "PrimaryPostgreSQL" to address: Name or service not known\n[1] LOG:  background worker "logical replication worker" (PID 249) exited with exit code 1\n[250] LOG:  logical replication apply worker for subscription "test_subscription" has started\n[250] ERROR:  could not connect to the publisher: could not translate host name "PrimaryPostgreSQL" to address: Name or service not known\n[1] LOG:  background worker "logical replication worker" (PID 250) exited with exit code 1\n<\/pre><\/div>\n\n\n
\u3053\u306e\u72b6\u614b\u3067\u30d7\u30e9\u30a4\u30de\u30ea\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u8d77\u52d5\u3059\u308b\u3068\u3001
\u4e0a\u306e\u30d7\u30e9\u30a4\u30de\u30ea\u306b\u63a5\u7d9a\u3067\u304d\u306a\u3044\u3068\u3044\u3063\u305f\u30ed\u30b0\u306f\u8868\u793a\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/p>\n\n\n\n
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