DatabaseProcApplicationCreatedLinks
sybsystemprocssp_monitor_parse_archive_cmd  14 déc. 14Defects Propagation Dependencies

1     
2     create or replace procedure sp_monitor_parse_archive_cmd(
3         @archivecmd varchar(255)
4         , @archive_str varchar(7)
5         , @archive_syntax varchar(40)
6         , @arch_prefix varchar(8) output
7         , @trace int = NULL
8     ) as
9         begin
10            declare @whoami varchar(30)
11                , @indent varchar(32)
12                , @msg varchar(200)
13                , @retval int
14                , @option_found int
15    
16                , @opt_sep char(1)
17                , @charindex tinyint
18                , @usingIndex int
19                , @using_clause varchar(30)
20                , @prefix_str varchar(30)
21                , @option_item varchar(30)
22                , @left_substr varchar(30)
23    
24                -- We restrict this to a short string for 125.x due to the
25                -- limited tablename length.
26                --
27                , @arch_prefix_dflt varchar(8)
28                , @arch_prefix_maxlen int
29                , @arch_prefix_lcl varchar(30) -- Parsed value.
30    
31                -- [Currently] unused output variables that are returned by the
32                -- common parsing routine sp_spaceusage_processusing.
33                --
34                , @archive_db_unused varchar(30)
35                , @unit_unused varchar(30)
36                , @unit_found tinyint
37    
38            select @whoami = 'sp_monitor_parse_archive_cmd'
39                , @indent = char(10) + space(2 * @@nestlevel)
40                , @prefix_str = 'prefix'
41                , @arch_prefix_dflt = 'archive_'
42                , @arch_prefix_lcl = NULL
43                , @using_clause = NULL
44                , @retval = 1 -- expect failure till we know otherwise
45                , @usingIndex = 0
46    
47                -- Initialize to aid in error checking for inapplicable syntax.
48                , @archive_db_unused = NULL
49                , @unit_unused = NULL
50                , @unit_found = 0
51    
52            -- This is the max prefix name length, as the identifiers are
53            -- restricted to be 30 bytes. This prefix allows for the possibility
54            -- to archive data from the MDA table with the longest name, if at
55            -- all we want to add that funcationality.
56            --
57            select @arch_prefix_maxlen = datalength(@arch_prefix_dflt)
58    
59            if (@trace = 1)
60            begin
61                print "%1!---- Start Trace %2! archivecmd='%3!'"
62                    , @indent, @whoami
63                    , @archivecmd
64            end
65    
66            -- =================================================================
67            -- If the archivecmd has a "USING prefix=" argument, parse
68            -- that out and validate it. (Note we allow mixed-case for keywords
69            -- like USING, PREFIX etc.)
70            --
71    
72            -- Check whether the user has specified a USING clause.
73            select @usingIndex = charindex("USING", upper(@archivecmd))
74    
75            if (@usingIndex != 0)
76            begin
77                -- 0 => case insensitive
78                exec sp_split_string @archivecmd, "USING", 0
79                    , @left_substr out
80                    , @using_clause out
81                select @using_clause = ltrim(rtrim(@using_clause))
82            end
83    
84            else if (@archivecmd != @archive_str)
85            begin
86                -- Reuse @whoami to build command-specific help.
87                select @whoami = "'@" + @archive_str + "'"
88                raiserror 18640, @whoami, @archivecmd, @archive_syntax
89    
90                -- print "@archivecmd: '%1!', @archive_str: '%2!'",
91                -- 	@archivecmd, @archive_str
92                goto error_exit
93            end
94    
95            if (@using_clause IS NOT NULL)
96            begin
97                exec @retval = sp_spaceusage_processusing
98                    @using_clause
99                    , @archive_db_unused out
100                   , @arch_prefix_lcl out
101                   , @unit_unused out
102                   , @unit_found out
103   
104               -- Check for cases that user might have provided sub-args
105               -- to USING clause that are valid for other interfaces (and
106               -- are hence legal per sp_spaceusage_processusing logic)
107               -- but are not legal here. Error out in such cases.
108               -- Expected: "archive[ USING prefix=]"
109               -- Expected: "report[ USING prefix=]"
110               --
111               if ((@retval != 0)
112                       or (@archive_db_unused IS NOT NULL)
113                       or ((@unit_unused IS NOT NULL) and (@unit_found = 1)))
114               begin
115                   -- Reuse @whoami to build command-specific help.
116                   select @whoami = "'@" + @archive_str + "'"
117   
118                   raiserror 18640, @whoami, @archivecmd, @archive_syntax
119   
120                   if (@trace = 1)
121                   begin
122                       print "@retval: %1! @archive_db_unused: %2! @unit_unused: %3! @unit_found: %4!"
123                           , @retval
124                           , @archive_db_unused
125                           , @unit_unused
126                           , @unit_found
127                   end
128   
129                   -- Reset to indicate an error condition.
130                   select @retval = 1
131                   goto error_exit
132               end
133           end
134   
135           -- Validate that the length of the prefix is what we can support 
136           -- in 12.5.x
137           --
138           if (@arch_prefix_lcl IS NULL) or (@arch_prefix_lcl = "")
139           begin
140               -- Allow user to create archives named simply 'monDeadLock'.
141               select @arch_prefix = NULL -- @arch_prefix_dflt
142           end
143   
144           else if (valid_name(@arch_prefix_lcl) = 0)
145           begin
146               raiserror 17284, @arch_prefix_lcl
147               goto error_exit
148           end
149   
150           else if (datalength(@arch_prefix_lcl) > @arch_prefix_maxlen)
151           begin
152               raiserror 19491, @arch_prefix_lcl, @arch_prefix_maxlen
153               goto error_exit
154           end
155           else
156           begin
157               select @arch_prefix = @arch_prefix_lcl
158           end
159   
160           -- All ok; @arch_prefix is a valid prefix for archive tables.
161           select @retval = 0
162   
163   error_exit:
164           if (@trace = 1)
165           begin
166               print "%1!---- End Trace %2! archivecmd='%3!' arch_prefix='%4!' (retval=%5!)"
167                   , @indent, @whoami
168                   , @archivecmd
169                   , @arch_prefix
170                   , @retval
171           end
172   
173           return @retval
174       end -- }
175   

DEFECTS
 MBPA 6 Not a parameter of this proc sybsystemprocs..sp_spaceusage_processusing: parameter # 5 102
 MEST 4 Empty String will be replaced by Single Space 138
 MTYP 4 Assignment type mismatch @unit: varchar(6) = varchar(30) 101
 MTYP 4 Assignment type mismatch null = tinyint 102
 MTYP 4 Assignment type mismatch @arch_prefix: varchar(8) = varchar(30) 157
 MNER 3 No Error Check should check return value of exec 78
 MUCO 3 Useless Code Useless Brackets in create proc 2
 MUCO 3 Useless Code Useless Begin-End Pair 9
 MUCO 3 Useless Code Useless Brackets 59
 MUCO 3 Useless Code Useless Brackets 75
 MUCO 3 Useless Code Useless Brackets 84
 MUCO 3 Useless Code Useless Brackets 95
 MUCO 3 Useless Code Useless Brackets 111
 MUCO 3 Useless Code Useless Brackets 120
 MUCO 3 Useless Code Useless Brackets 144
 MUCO 3 Useless Code Useless Brackets 150
 MUCO 3 Useless Code Useless Brackets 164
 VNRD 3 Variable is not read @prefix_str 40
 VNRD 3 Variable is not read @left_substr 79
 VUNU 3 Variable is not used @msg 12
 VUNU 3 Variable is not used @option_found 14
 VUNU 3 Variable is not used @opt_sep 16
 VUNU 3 Variable is not used @charindex 17
 VUNU 3 Variable is not used @option_item 21
 MTR1 2 Metrics: Comments Ratio Comments: 31% 2
 MTR2 2 Metrics: Cyclomatic Complexity Cyclo: 16 = 15dec - 1exi + 2 2
 MTR3 2 Metrics: Query Complexity Complexity: 51 2

DEPENDENCIES
PROCS AND TABLES USED
calls proc sybsystemprocs..sp_spaceusage_processusing  
   calls proc sybsystemprocs..sp_split_string  
calls proc sybsystemprocs..sp_split_string  

CALLERS
called by proc sybsystemprocs..sp_monitor_archive  
   called by proc sybsystemprocs..sp_monitor_deadlock  
      called by proc sybsystemprocs..sp_monitor  
called by proc sybsystemprocs..sp_monitor_deadlock