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asfernandes 2013-05-08 15:47:40 +00:00
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doc/sql.extensions/README.ddl_triggers.txt
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@ -101,7 +101,7 @@ Permissions:
DDL_TRIGGER context namespace: DDL_TRIGGER context namespace:
It has been introduced the DDL_TRIGGER context for usage with RDB$GET_CONTEXT. Usage of this It has been introduced the DDL_TRIGGER context for usage with RDB$GET_CONTEXT. Usage of this
namespace is valid only when DDL triggers are running. It's valid to use it in stored namespace is valid only when DDL triggers are running. It's valid to use it in stored
procedures called by DDL triggers. procedures and functions called by DDL triggers.
The DDL_TRIGGER context works like a stack. Before a DDL trigger is fired, it's pushed on that The DDL_TRIGGER context works like a stack. Before a DDL trigger is fired, it's pushed on that
stack the values relative to the executed command. After the trigger finishes, the value is stack the values relative to the executed command. After the trigger finishes, the value is
popped. So in the case of cascade DDL statements, when an user DDL command fires a DDL trigger popped. So in the case of cascade DDL statements, when an user DDL command fires a DDL trigger