44 lines
1.8 KiB
Ruby
44 lines
1.8 KiB
Ruby
# Test decoding of in-progress transaction containing dml and a concurrent
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# transaction with ddl operation. The transaction containing ddl operation
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# should not get streamed as it doesn't have any changes.
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setup
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{
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SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding');
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-- consume DDL
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SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
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CREATE OR REPLACE FUNCTION large_val() RETURNS TEXT LANGUAGE SQL AS 'select array_agg(md5(g::text))::text from generate_series(1, 80000) g';
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}
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teardown
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{
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DROP TABLE IF EXISTS stream_test;
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DROP TABLE IF EXISTS stream_test1;
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SELECT 'stop' FROM pg_drop_replication_slot('isolation_slot');
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}
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session "s0"
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setup { SET synchronous_commit=on; }
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step "s0_begin" { BEGIN; }
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step "s0_ddl" {CREATE TABLE stream_test1(data text);}
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session "s2"
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setup { SET synchronous_commit=on; }
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step "s2_ddl" {CREATE TABLE stream_test2(data text);}
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# The transaction commit for s1_ddl will add the INTERNAL_SNAPSHOT change to
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# the currently running s0_ddl and we want to test that s0_ddl should not get
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# streamed when user asked to skip-empty-xacts. Similarly, the
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# INTERNAL_SNAPSHOT change added by s2_ddl should not change the results for
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# what gets streamed.
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session "s1"
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setup { SET synchronous_commit=on; }
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step "s1_ddl" { CREATE TABLE stream_test(data text); }
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step "s1_begin" { BEGIN; }
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step "s1_toast_insert" {INSERT INTO stream_test SELECT large_val();}
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step "s1_commit" { COMMIT; }
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step "s1_get_stream_changes" { SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL,NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'stream-changes', '1');}
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permutation "s0_begin" "s0_ddl" "s1_ddl" "s1_begin" "s1_toast_insert" "s2_ddl" "s1_commit" "s1_get_stream_changes"
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