145 lines
3.4 KiB
Plaintext
145 lines
3.4 KiB
Plaintext
-- wait for server establishment
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CREATE OR REPLACE FUNCTION wait_for_gms_debug_extension()
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RETURNS BOOLEAN AS $$
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DECLARE
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extension_exists BOOLEAN;
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BEGIN
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-- 初始化变量
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extension_exists := FALSE;
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-- 循环查询扩展是否存在
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WHILE NOT extension_exists LOOP
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-- 查询扩展是否存在
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PERFORM 1 FROM pg_extension WHERE extname = 'gms_debug';
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IF FOUND THEN
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-- 如果扩展存在，则退出循环
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extension_exists := TRUE;
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ELSE
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-- 如果扩展不存在，则等待一段时间再重试
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PERFORM pg_sleep(1); -- 等待1秒
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END IF;
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END LOOP;
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-- 返回扩展存在的标志
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RETURN extension_exists;
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END;
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$$ LANGUAGE plpgsql;
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DO $$
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BEGIN
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IF wait_for_gms_debug_extension() THEN
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-- 扩展存在，执行下一步操作
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END IF;
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END $$;
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set search_path = gms_debugger_test3;
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CREATE or REPLACE FUNCTION gms_next()
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returns void as $$
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declare
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run_info gms_debug.runtime_info;
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ret binary_integer;
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begin
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ret := gms_debug.continue(run_info, 2, 2);
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RAISE NOTICE 'breakpoint= %', run_info.breakpoint;
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RAISE NOTICE 'stackdepth= %', run_info.stackdepth;
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RAISE NOTICE 'line= %', run_info.line#;
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RAISE NOTICE 'reason= %', run_info.reason;
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RAISE NOTICE 'ret= %',ret;
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end;
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$$ LANGUAGE plpgsql;
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CREATE or REPLACE FUNCTION gms_continue()
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returns void as $$
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declare
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run_info gms_debug.runtime_info;
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ret binary_integer;
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begin
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ret := gms_debug.continue(run_info, 0, 2);
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RAISE NOTICE 'breakpoint= %', run_info.breakpoint;
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RAISE NOTICE 'stackdepth= %', run_info.stackdepth;
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RAISE NOTICE 'line= %', run_info.line#;
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RAISE NOTICE 'reason= %', run_info.reason;
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RAISE NOTICE 'ret= %',ret;
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end;
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$$ LANGUAGE plpgsql;
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-- attach debug server
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select * from gms_debug.attach_session('datanode1-0');
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attach_session
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----------------
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(1 row)
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select pg_sleep(3);
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pg_sleep
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----------
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(1 row)
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select gms_next();
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NOTICE: breakpoint= -1
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CONTEXT: referenced column: gms_next
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NOTICE: stackdepth= 0
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CONTEXT: referenced column: gms_next
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NOTICE: line= 6
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CONTEXT: referenced column: gms_next
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NOTICE: reason= 6
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CONTEXT: referenced column: gms_next
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NOTICE: ret= 0
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CONTEXT: referenced column: gms_next
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gms_next
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----------
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(1 row)
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select gms_next();
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NOTICE: breakpoint= -1
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CONTEXT: referenced column: gms_next
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NOTICE: stackdepth= 0
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CONTEXT: referenced column: gms_next
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NOTICE: line= 10
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CONTEXT: referenced column: gms_next
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NOTICE: reason= 6
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CONTEXT: referenced column: gms_next
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NOTICE: ret= 0
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CONTEXT: referenced column: gms_next
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gms_next
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----------
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(1 row)
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select gms_continue();
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NOTICE: breakpoint= -1
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CONTEXT: referenced column: gms_continue
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NOTICE: stackdepth= 0
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CONTEXT: referenced column: gms_continue
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NOTICE: line= 14
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CONTEXT: referenced column: gms_continue
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NOTICE: reason= 0
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CONTEXT: referenced column: gms_continue
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NOTICE: ret= 0
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CONTEXT: referenced column: gms_continue
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gms_continue
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--------------
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(1 row)
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select gms_next();
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NOTICE: breakpoint= -1
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CONTEXT: referenced column: gms_next
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NOTICE: stackdepth= 0
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CONTEXT: referenced column: gms_next
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NOTICE: line= 6
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CONTEXT: referenced column: gms_next
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NOTICE: reason= 6
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CONTEXT: referenced column: gms_next
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NOTICE: ret= 0
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CONTEXT: referenced column: gms_next
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gms_next
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----------
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(1 row)
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select gms_debug.detach_session();
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detach_session
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----------------
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(1 row)
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