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[英]Rails 3.2 frequent postgres prepared statement already exists errors
[英]Seeing Postgres errors (plpgsql already exists/function array_accum already exists) in Rails app log
我在Rails開發日志中不斷看到以下postgres錯誤/警告。 這並不是導致我的應用失敗(希望如此)。 知道是什么原因造成的嗎? 我該如何調試?
安裝在我的PC上:-Ruby 1.8.7(2008-08-11補丁程序級別72)[i486-linux]
-Rails 2.2.2
-PostgreSQL 8.3.7
[4;36;1mSQL (0.1ms)[0m [0;1mSET client_min_messages TO 'panic'[0m
[4;35;1mSQL (0.1ms)[0m [0mSET client_min_messages TO 'notice'[0m
[4;36;1mSQL (0.7ms)[0m [0;1mSELECT version FROM schema_migrations[0m
DEPRECATION WARNING: ActionMailer::Base.register_template_extension has been deprecated.Use ActionView::Base.register_template_extension instead. (called from /home/gsmendoza/workspace/idea/georgemendoza/config/environment.rb:104)
[4;35;1mSQL (0.2ms)[0m [0mbegin[0m
[4;36;1mSQL (0.1ms)[0m [0;1msavepoint ts[0m
[4;35;1mSQL (0.0ms)[0m [0mPGError: ERROR: function "array_accum" already exists with same argument types
: CREATE AGGREGATE array_accum (anyelement)
(
sfunc = array_append,
stype = anyarray,
initcond = '{}'
);
[0m
[4;36;1mSQL (0.1ms)[0m [0;1mrollback to savepoint ts[0m
[4;35;1mSQL (0.1ms)[0m [0mrelease savepoint ts[0m
[4;36;1mSQL (0.1ms)[0m [0;1mcommit[0m
[4;35;1mSQL (0.1ms)[0m [0mbegin[0m
[4;36;1mSQL (0.1ms)[0m [0;1msavepoint ts[0m
[4;35;1mSQL (0.0ms)[0m [0mPGError: ERROR: language "plpgsql" already exists
: CREATE LANGUAGE 'plpgsql';[0m
[4;36;1mSQL (0.1ms)[0m [0;1mrollback to savepoint ts[0m
[4;35;1mSQL (0.1ms)[0m [0mrelease savepoint ts[0m
[4;36;1mSQL (0.1ms)[0m [0;1mcommit[0m
[4;35;1mSQL (0.1ms)[0m [0mbegin[0m
[4;36;1mSQL (0.1ms)[0m [0;1msavepoint ts[0m
[4;35;1mSQL (2.6ms)[0m [0m CREATE OR REPLACE FUNCTION crc32(word text)
RETURNS bigint AS $$
DECLARE tmp bigint;
DECLARE i int;
DECLARE j int;
DECLARE word_array bytea;
BEGIN
i = 0;
tmp = 4294967295;
word_array = decode(replace(word, E'\\', E'\\\\'), 'escape');
LOOP
tmp = (tmp # get_byte(word_array, i))::bigint;
i = i + 1;
j = 0;
LOOP
tmp = ((tmp >> 1) # (3988292384 * (tmp & 1)))::bigint;
j = j + 1;
IF j >= 8 THEN
EXIT;
END IF;
END LOOP;
IF i >= char_length(word) THEN
EXIT;
END IF;
END LOOP;
return (tmp # 4294967295);
END
$$ IMMUTABLE STRICT LANGUAGE plpgsql;
[0m
[4;36;1mSQL (0.1ms)[0m [0;1mrelease savepoint ts[0m
[4;35;1mSQL (0.8ms)[0m [0mcommit[0m
我意識到這個錯誤是我的錯,因為我的錯
工作時間長的副作用;)
您什么都不需要做。 看起來Rails只是試圖安裝已經安裝的plpgsql語言,並創建您的PostgreSQL版本已經具有的功能。
Rails為此做好了准備,只是忽略此錯誤。 這不是一個好的編程示例,但無需擔心。
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