SQL Server查看视图定义总结

USE YourSQLDba;  

GO  

SELECT definition, uses_ansi_nulls, uses_quoted_identifier, is_schema_bound  

FROM sys.sql_modules  

WHERE object_id = OBJECT_ID('PerfMon.SessionInfo');   

GO  

USE YourSQLDba;  

GO 

SELECT OBJECT_DEFINITION (OBJECT_ID('PerfMon.SessionInfo')) AS ObjectDefinition;   

GO  

USE YourSQLDba;  

GO 

EXEC sp_helptext 'PerfMon.SessionInfo'; 

SET QUOTED_IDENTIFIER ON

SET ANSI_NULLS ON

GO

CREATE VIEW sys.sql_modules AS

    SELECT object_id = o.id,

        definition = object_definition(o.id),

        uses_ansi_nulls = sysconv(bit, o.status & 0x40000),             -- OBJMOD_ANSINULLS

        uses_quoted_identifier = sysconv(bit, o.status & 0x80000),      -- OBJMOD_QUOTEDIDENT

        is_schema_bound = sysconv(bit, o.status & 0x20000),             -- OBJMOD_SCHEMABOUND

        uses_database_collation = sysconv(bit, o.status & 0x100000),    -- OBJMOD_USESDBCOLL

        is_recompiled = sysconv(bit, o.status & 0x400000),              -- OBJMOD_NOCACHE

        null_on_null_input = sysconv(bit, o.status & 0x200000),         -- OBJMOD_NULLONNULL

        execute_as_principal_id = x.indepid,

        uses_native_compilation = sysconv(bit, case when (o.type = 'P') then o.status & 0x00000200 else 0 end)    -- OBJPRC_HEKATON

    FROM sys.sysschobjs o

    LEFT JOIN sys.syssingleobjrefs x ON x.depid = o.id AND x.class = 22 AND x.depsubid = 0 -- SRC_OBJEXECASOWNER

    WHERE o.pclass <> 100 -- x_eunc_Server

        AND ((o.type = 'TR' AND has_access('TR', o.id, o.pid, o.nsclass) = 1)

            OR (type IN ('P','V','FN','IF','TF','RF','IS') AND has_access('CO', o.id) = 1)

            OR (type IN ('R','D') AND o.pid = 0))

        AND (o.status2 & 0x00000020) = 0

GO

CREATE VIEW sys.parameters

AS

    SELECT  object_id ,

            name ,

            parameter_id ,

            system_type_id ,

            user_type_id ,

            max_length ,

            PRECISION ,

            scale ,

            is_output ,

            is_cursor_ref ,

            has_default_value ,

            is_xml_document ,

            default_value ,

            xml_collection_id ,

            is_readonly ,

            is_nullable

    FROM    sys.parameters$

    WHERE   number = 1

CREATE VIEW sys.parameters$ AS

    SELECT c.id AS object_id,

        c.number, c.name,

        c.colid AS parameter_id,

        c.xtype AS system_type_id,

        c.utype AS user_type_id,

        c.length AS max_length,

        c.prec AS precision,

        c.scale AS scale,

        sysconv(bit, c.status & 512) AS is_output,        -- CPM_OUTPUT

        sysconv(bit, c.status & 1024) AS is_cursor_ref,    -- CPM_CURSORREF

        sysconv(bit, isnull(v.objid, 0)) AS has_default_value,

        sysconv(bit, c.status & 2048) AS is_xml_document, -- CPM_XML_DOC        

        v.value AS default_value,

        xmlns AS xml_collection_id,

        sysconv(bit, c.status & 4194304) AS is_readonly, -- CPM_IS_READONLY = 0x00400000

        sysconv(bit, 1 - (c.status & 1)) AS is_nullable -- CPM_NOTNULL  = 0x00000001

    FROM sys.syscolpars c

    LEFT JOIN sys.sysobjvalues v ON v.valclass = 9 AND v.objid = c.id AND v.subobjid = c.colid AND v.valnum = 0    -- SVC_PARAMDEFAULT

    WHERE number > 0 AND has_access('CO', c.id) = 1