Firebird 2.5 LangRef Update Russianзапись не происходит. Старое поведение описано в InterBase 6 Data Definition Guide under Updating views with triggers. Предупреждение Отдельные разработчики применяют код, который рассчитывает или VARIABLE CHUNK VARCHAR(100); BEGIN CHUNK = ''; FOR EXECUTE STATEMENT ' SELECT ' || TEXTFIELD || ' FROM ' || TABLENAME INTO :CHUNK DO IF (CHUNK IS NOT NULL) THEN LONGLINE = LONGLINE || CHUNK || ' ';0 码力 | 364 页 | 1.45 MB | 1 年前3
Firebird 2.5 Language Referenceattributes, a domain makes sense. Domain usage is not limited to column definitions for tables and views. Domains can be used to declare input and output parameters and variables in PSQL code. 3.9.1. Domain creates a new table. Any user can create it and its name must be unique among the names of all tables, views and stored procedures in the database. A table must contain at least one column that is not computed (DDL) Statements 118 • column or table constraints • indexes • stored procedures and triggers • views Effect on Version Count • Each time a column is dropped, the table’s metadata change counter is0 码力 | 521 页 | 2.30 MB | 1 年前3
firebird 40 language referenceattributes, a domain makes sense. Domain usage is not limited to column definitions for tables and views. Domains can be used to declare input and output parameters and variables in PSQL code. 3.11.1. parameters or local variables can also be declared using the data type of columns in existing tables and views. The TYPE OF COLUMN clause is used for that, specifying relationname .columnname as its argument creates a new table. Any user can create it and its name must be unique among the names of all tables, views and stored procedures in the database. A table must contain at least one column that is not computed0 码力 | 778 页 | 3.43 MB | 1 年前3
firebird isql. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 19.27. SHOW VIEWs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . standardize the handling of preprogrammed input errors. Exceptions are database objects, like Tables, Views and Domains, and are part of the database’s metadata. They can be created, modified and dropped like SECCLAsses SCHEmas TABLEs TRIGgers USERS VIEWs Command error: show The upper case letters indicate what you must type as an absolute minimum. The0 码力 | 76 页 | 369.92 KB | 1 年前3
MSSQL to Firebird Russian.............................................. 17 Трюк: использование обновляемых представлений (views) ........................................................ 18 Доступ клиентов ................... также имеет встроенную поддержку работы с XML и поддержку разделенных пред- ставлений (partitioned views) для лучшей производительности при работе с таблицами, расположенными на нескольких серверах. В общем такая функция очень нужна, то ее можно реализовать в СУБД Firebird с использованием предста- влений (views). Обе СУБД MS SQL и Firebird поддерживают обычный синтаксис оператора DELETE. СУБД MS SQL так- же0 码力 | 22 页 | 287.07 KB | 1 年前3
Firebird 2.1 ErrorCodes335544446 non_updatable Not updatable -150 335544546 constaint_on_view Cannot define constraints on views -151 335544359 read_only_field Attempted update of read-only column -155 335544658 dsql_base_table of columns does not match select list -162 335544685 no_dbkey Dbkey not available for multi-table views -170 335544512 prcmismat Input parameter mismatch for procedure @1 -170 335544619 extern_func_err Invalid clause--- '@1' -204 335544800 too_many_contexts Too many Contexts of Relation/Procedure/Views. Maximum allowed is 255 -204 335544817 bad_limit_param Invalid parameter to FIRST.Only integers >=0 码力 | 31 页 | 103.24 KB | 1 年前3
Firebird 1.5 ErrorCodes335544446 non_updatable Not updatable -150 335544546 constaint_on_view Cannot define constraints on views -151 335544359 read_only_field Attempted update of read-only column -155 335544658 dsql_base_table of columns does not match select list -162 335544685 no_dbkey Dbkey not available for multi-table views -170 335544512 prcmismat Parameter mismatch for procedure-170 335544619 extern_func_err Invalid clause--- ' ' -204 335544800 too_many_contexts Too many Contexts of Relation/Procedure/Views. Maximum allowed is 127 -204 335544817 bad_limit_param Invalid parameter to FIRST. Only integers 0 码力 | 26 页 | 85.09 KB | 1 年前3
Firebird 2.0 ErrorCodes335544446 non_updatable Not updatable -150 335544546 constaint_on_view Cannot define constraints on views -151 335544359 read_only_field Attempted update of read-only column -155 335544658 dsql_base_table of columns does not match select list -162 335544685 no_dbkey Dbkey not available for multi-table views -170 335544512 prcmismat Input parameter mismatch for procedure %s -170 335544619 extern_func_err Invalid clause--- '%s' -204 335544800 too_many_contexts Too many Contexts of Relation/Procedure/Views. Maximum allowed is 255 -204 335544817 bad_limit_param Invalid parameter to FIRST.Only integers0 码力 | 26 页 | 157.59 KB | 1 年前3
firebird language reference 30 rusсоздаёт новую таблицу. Имя таблицы должно быть уникальным среди имён всех таблиц, представлений (VIEWs) и хранимых процедур базы данных. Таблица может содержать, по меньшей мере, один столбец и произвольное DO SUSPEND; END -- Подпроцедура, возвращающая список представлений DECLARE PROCEDURE get_views RETURNS(view_name VARCHAR(31)) AS BEGIN FOR Процедурный язык PSQL 353 SELECT table_name FROM get_tables UNION ALL SELECT view_name FROM get_views INTO name DO SUSPEND; END^ См. также: DECLARE FUNCTION, CREATE PROCEDURE0 码力 | 719 页 | 3.98 MB | 1 年前3
firebird 30 sprachreferenzAusgabeparameter oder lokale Variablen können auch über den Datentyp von Spalten in bestehenden Tabellen und Views deklariert werden. Dafür wird die TYPE OF COLUMN-Klausel verwendet, die relationname.columnname als SUSPEND; END -- Unterprozedur, die eine Liste von Ansichten zurückgibt DECLARE PROCEDURE get_views RETURNS (view_name VARCHAR(31)) AS BEGIN FOR SELECT RDB$RELATION_NAME FROM RDB$RELATIONS BEGIN FOR SELECT table_name FROM get_tables UNION ALL SELECT view_name FROM get_views INTO name DO SUSPEND; END Siehe auch DECLARE FUNCTION, CREATE PROCEDURE 7.7.6. BEGIN … END0 码力 | 701 页 | 3.12 MB | 1 年前3
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