select count(*) from table1 a left join table2 b on a.b_id=b.id where b.name="блаблабла"
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$tr=ibase_trans(IBASE_CONCURRENCY | IBASE_NOWAIT, self::$connection);
IBASE_READ || IBASE_COMMITTED || IBASE_REC_VERSION || IBASE_NOWAIT
.... $b->Load($Id); //загрузка данных из БД $i=10; While (($i>0) &&($b->STATUS=='A')) { $i=$i-1; sleep(1); $b->Load($id); } ....
ibase_close(firebird::$connection); firebird::Connect(); $b->Load($id);
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Скрипт метаданных:SET TERM ^ ; CREATE OR ALTER PROCEDURE SP$GET_ID_USER RETURNS ( RESULT INTEGER) AS BEGIN RESULT = RDB$GET_CONTEXT('USER_SESSION', 'ID_USER'); SUSPEND; END^ CREATE OR ALTER PROCEDURE SP$GET_ID_USER_CONST RETURNS ( RESULT INTEGER) AS BEGIN RESULT = 1; SUSPEND; END^ CREATE OR ALTER FUNCTION CONNECT_ID_USER_DETER RETURNS INTEGER DETERMINISTIC AS BEGIN RETURN RDB$GET_CONTEXT('USER_SESSION', 'ID_USER'); END^ CREATE OR ALTER FUNCTION CONNECT_ID_USER_CONST_DETER RETURNS INTEGER DETERMINISTIC AS BEGIN RETURN 1; END^ CREATE OR ALTER PROCEDURE SP$GET_ID_USER_CONST RETURNS ( RESULT INTEGER) AS BEGIN RESULT = 1; SUSPEND; END^ CREATE OR ALTER FUNCTION CONNECT_ID_USER_NOT_DETER RETURNS INTEGER AS BEGIN RETURN RDB$GET_CONTEXT('USER_SESSION', 'ID_USER'); END^ CREATE OR ALTER FUNCTION CONNECT_ID_USER_CONST_NOT_DETER RETURNS INTEGER AS BEGIN RETURN 1; END^ SET TERM ; ^ Тест: EXECUTE BLOCK RETURNS (NAME VARCHAR(60), DIFF_WITH_LOOP INTEGER, DIFF_CLEAR INTEGER) AS DECLARE VARIABLE CNT INTEGER; DECLARE VARIABLE I INTEGER; DECLARE VARIABLE ID INTEGER; DECLARE VARIABLE TIMESTAMP_START TIMESTAMP; DECLARE VARIABLE TIMESTAMP_END TIMESTAMP; DECLARE VARIABLE TIME_EMPTY_LOOP INTEGER; BEGIN CNT = 10000000; -- I = :CNT; TIMESTAMP_START = 'NOW'; WHILE (I > 0) DO BEGIN :I = :I - 1; END TIMESTAMP_END = 'NOW'; DIFF_WITH_LOOP = DATEDIFF(MILLISECOND, :TIMESTAMP_START, :TIMESTAMP_END); DIFF_CLEAR = 0; NAME = 'EMPTY LOOP'; SUSPEND; TIME_EMPTY_LOOP = :DIFF_WITH_LOOP; -- I = :CNT; TIMESTAMP_START = 'NOW'; WHILE (I > 0) DO BEGIN ID = (SELECT RESULT FROM SP$GET_ID_USER); :I = :I - 1; END TIMESTAMP_END = 'NOW'; DIFF_WITH_LOOP = DATEDIFF(MILLISECOND, :TIMESTAMP_START, :TIMESTAMP_END); DIFF_CLEAR = :DIFF_WITH_LOOP - :TIME_EMPTY_LOOP; NAME = 'SELECT FROM SP AS RDB$GET_CONTEXT'; SUSPEND; -- I = :CNT; TIMESTAMP_START = 'NOW'; WHILE (I > 0) DO BEGIN ID = (SELECT RESULT FROM SP$GET_ID_USER_CONST); :I = :I - 1; END TIMESTAMP_END = 'NOW'; DIFF_WITH_LOOP = DATEDIFF(MILLISECOND, :TIMESTAMP_START, :TIMESTAMP_END); DIFF_CLEAR = :DIFF_WITH_LOOP - :TIME_EMPTY_LOOP; NAME = 'SELECT FROM SP AS CONST'; SUSPEND; -- I = :CNT; TIMESTAMP_START = 'NOW'; WHILE (I > 0) DO BEGIN ID = CONNECT_ID_USER_NOT_DETER(); :I = :I - 1; END TIMESTAMP_END = 'NOW'; DIFF_WITH_LOOP = DATEDIFF(MILLISECOND, :TIMESTAMP_START, :TIMESTAMP_END); DIFF_CLEAR = :DIFF_WITH_LOOP - :TIME_EMPTY_LOOP; NAME = 'GET FROM NOT DETERM INTERNAL FUNCTION AS RDB$GET_CONTEXT'; SUSPEND; -- I = :CNT; TIMESTAMP_START = 'NOW'; WHILE (I > 0) DO BEGIN ID = CONNECT_ID_USER_CONST_NOT_DETER(); :I = :I - 1; END TIMESTAMP_END = 'NOW'; DIFF_WITH_LOOP = DATEDIFF(MILLISECOND, :TIMESTAMP_START, :TIMESTAMP_END); DIFF_CLEAR = :DIFF_WITH_LOOP - :TIME_EMPTY_LOOP; NAME = 'GET FROM NOT DETERM INTERNAL FUNCTION AS CONSTANT'; SUSPEND; -- I = :CNT; TIMESTAMP_START = 'NOW'; WHILE (I > 0) DO BEGIN ID = CONNECT_ID_USER_DETER(); :I = :I - 1; END TIMESTAMP_END = 'NOW'; DIFF_WITH_LOOP = DATEDIFF(MILLISECOND, :TIMESTAMP_START, :TIMESTAMP_END); DIFF_CLEAR = :DIFF_WITH_LOOP - :TIME_EMPTY_LOOP; NAME = 'GET FROM DETERM INTERNAL FUNCTION AS RDB$GET_CONTEXT'; SUSPEND; -- I = :CNT; TIMESTAMP_START = 'NOW'; WHILE (I > 0) DO BEGIN ID = CONNECT_ID_USER_CONST_DETER(); :I = :I - 1; END TIMESTAMP_END = 'NOW'; DIFF_WITH_LOOP = DATEDIFF(MILLISECOND, :TIMESTAMP_START, :TIMESTAMP_END); DIFF_CLEAR = :DIFF_WITH_LOOP - :TIME_EMPTY_LOOP; NAME = 'GET FROM DETERM INTERNAL FUNCTION AS CONSTANT'; SUSPEND; -- I = :CNT; TIMESTAMP_START = 'NOW'; WHILE (I > 0) DO BEGIN ID = RDB$GET_CONTEXT('USER_SESSION', 'ID_USER'); :I = :I - 1; END TIMESTAMP_END = 'NOW'; DIFF_WITH_LOOP = DATEDIFF(MILLISECOND, :TIMESTAMP_START, :TIMESTAMP_END); DIFF_CLEAR = :DIFF_WITH_LOOP - :TIME_EMPTY_LOOP; NAME = 'GET FROM RDB$GET_CONTEXT'; SUSPEND; -- I = :CNT; TIMESTAMP_START = 'NOW'; WHILE (I > 0) DO BEGIN ID = 1; :I = :I - 1; END TIMESTAMP_END = 'NOW'; DIFF_WITH_LOOP = DATEDIFF(MILLISECOND, :TIMESTAMP_START, :TIMESTAMP_END); DIFF_CLEAR = :DIFF_WITH_LOOP - :TIME_EMPTY_LOOP; NAME = 'DIRECT SET'; SUSPEND; END |
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' Вставляем список дат CMD.CommandText = "Select * From ORDERS_DATE_PLAN;" .Open Source:=CMD ' В цикле записываем в базу таблицу For iRow = 1 To UBound(ArrDate) If ArrDate(iRow, 2) <> "" Then .AddNew !Order_ID = OrderID !DATE_SECTOR = ArrDate(iRow, 1) !DATE_DESCRIPTION = ArrDate(iRow, 2) !PLAN_DATE = Replace(ArrDate(iRow, 3), ",", ".") ' исправление опечаток !PLAN_DATE2 = Replace(ArrDate(iRow, 4), ",", ".") ' исправление опечаток .Update End If Next iRow .Close
SELECT 1, * FROM RDB$DATABASE
Invalid token.
Dynamic SQL Error.
SQL error code = -104.
Token unknown - line 3, column 5.
*.
CREATE OR ALTER PROCEDURE TEST_SP ( PARAM VARCHAR(10) NOT NULL) RETURNS ( RESULT INTEGER) AS BEGIN RESULT = 1; SUSPEND; END
SELECT RESULT FROM TEST_SP(:VAL)
Incompatible column/host variable data type.
Dynamic SQL Error.
SQL error code = -303.
arithmetic exception, numeric overflow, or string truncation.
string right truncation.
expected length 10, actual 11.
FormMain:
Incompatible column/host variable data type.
SQL error state =22001
Dynamic SQL Error.
SQL error code = -303.
Arithmetic exception, numeric overflow, or string truncation.
String right truncation.
Expected length 10, actual 10.
Невозможно подтвердить транзакцию:
Unsuccessful execution caused by system error that does not preclude successful execution of subsequent statements.
lock conflict on no wait transaction.
unsuccessful metadata update.
object TABLE "IMP$XXX" is in use.
Явно известно только в каком коннекте она используется. Чтобы узнать точнее, нужно перебрать все запросы в кеше метаданных данного коннекта. |
Posted via ActualForum NNTP Server 1.5
,(select first 1 asnakods.kod1c from tableasna as ta inner join asnakods on (ta.kodasna = asnakods.kodasna) and (ta.kod1c = ostatok_na_date.kod1c)) as asnakod1cзапрос сильно замедлился. Подскажите можно ли как-то избежать этого?
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readQuery.SQL.Add( 'select (select first 1 name from sprtovara where ID = ostatok_na_date.idtovar) as tovar , '+ ' (select first 1 name from sprproizv where ID = ostatok_na_date.idproizv) as proizv, '+ ' (select first 1 name from sprserii where ID = ostatok_na_date.idserii) as seriya, '+ ' (select first 1 goden_do from TABLEDOC where (ID_SPRSERII = ostatok_na_date.idserii) and (ID_SPRPROIZV = ostatok_na_date.idproizv) and (ID_SPRTOVARA = ostatok_na_date.idtovar)) as goden_do,'+ ' (select NUMSERT from TABLESERT where id_tdoc = (select first 1 ID from ALLTABLEDOC where (ID_SPRSERII = ostatok_na_date.idserii) and (ID_SPRPROIZV = ostatok_na_date.idproizv) and (ID_SPRTOVARA = ostatok_na_date.idtovar))) as numsert,'+ ' (select DATAEND from TABLESERT where id_tdoc = (select first 1 ID from ALLTABLEDOC where (ID_SPRSERII = ostatok_na_date.idserii) and (ID_SPRPROIZV = ostatok_na_date.idproizv) and (ID_SPRTOVARA = ostatok_na_date.idtovar))) as dataend,'+ ' (select DEKLARANT from TABLESERT where id_tdoc = (select first 1 ID from ALLTABLEDOC where (ID_SPRSERII = ostatok_na_date.idserii) and (ID_SPRPROIZV = ostatok_na_date.idproizv) and (ID_SPRTOVARA = ostatok_na_date.idtovar))) as deklarant,'+ ' (select DATAOUT from TABLESERT where id_tdoc = (select first 1 ID from ALLTABLEDOC where (ID_SPRSERII = ostatok_na_date.idserii) and (ID_SPRPROIZV = ostatok_na_date.idproizv) and (ID_SPRTOVARA = ostatok_na_date.idtovar))) as dataout,'+ ' ostatok_na_date.ostatok, '+ ' ostatok_na_date.cena, ostatok_na_date.cenaopt, ostatok_na_date.idserii '+ // 13.03.2017 ' ,ostatok_na_date.idtovar, ostatok_na_date.idproizv, ostatok_na_date.prihod, '+ ' (select first 1 tovar from tnelikvid as tn where ((tn.serii = ostatok_na_date.idserii) and (tn.proizv = ostatok_na_date.idproizv)' + ' and (tn.tovar = ostatok_na_date.idtovar) and (tn.cena = ostatok_na_date.cena))) as nelik, '+ ' (select first 1 not_show from tnelikvid as tn where ((tn.serii = ostatok_na_date.idserii) and (tn.proizv = ostatok_na_date.idproizv)' + ' and (tn.tovar = ostatok_na_date.idtovar) and (tn.cena = ostatok_na_date.cena))) as not_show' + //13.03.2017 //05.09.2018 {//10.07.2018 ' ,(select first 1 id_sprtovara from tableasna as ta where (ta.id_sprproizv = ostatok_na_date.idproizv)' + ' and (ta.id_sprtovara = ostatok_na_date.idtovar)) as asnatovar, ' + ' (select first 1 id_sprproizv from tableasna as ta where (ta.id_sprproizv = ostatok_na_date.idproizv)' + ' and (ta.id_sprtovara = ostatok_na_date.idtovar)) as asnaproizv ' + //10.07.2018 } ' ,(select first 1 asnakods.kod1c from tableasna as ta inner join asnakods on (ta.kodasna = asnakods.kodasna) and (ta.kod1c = ostatok_na_date.kod1c)) as asnakod1c ' + //05.09.2018 //15.06.2018 ' ,ostatok_na_date.Kod1C as Kod1C ' + ' ,ostatok_na_date.Barcode as barcode ' + ' ,ostatok_na_date.INN as INN ' + ' ,ostatok_na_date.Naklad as Naklad ' + ' ,ostatok_na_date.hide as hide ' + //15.06.2018 ' from ostatok_na_date(:d1)'); |
SELECT IIF(SEX = 'M', 'Sir', 'Madam') FROM CUSTOMERS