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4.6 Summary of Files on Disk

The tables in this section list the scripts contained in subdirectories created by the installation procedure. These are in addition to the individual filenames of the PL/Vision packages listed earlier; note that all filenames are in dot notation, where the first component is the package name (e.g,. PLVvu.code ).

4.6.1 Contents of the install Subdirectory

File

Description of Contents

plv*.spb

Bodies of the PL/Vision packages.

plv*.sps

Specifications of the PL/Vision packages.

plvdata.sql

Creates the data structures needed to use PL/Vision. Most of this script consists of a series of INSERT statements to populate the PLV_token and PLV_token_type tables.

plvdpsyn.sql

Drops all public synonyms for PL/Vision objects.

plvdsynl

Drops all private synonyms for PL/Vision objects in a specified account.

plvgrant.sql

Grants access to all PL/Vision objects to the specified account or to PUBLIC.

plvins23.sql

Installs PL/Vision for all PL/SQL Releases 2.3 and above (the f indicates support for File I/O).

plvinst.sql

Installs PL/Vision for all PL/SQL Releases 2.2 and below.

plvinsth.sql

Installs PL/Vision online help text.

plvprem.sql

Removes all PL/Vision packages and code elements.

plvpsyn.sql

Creates public synonyms for all PL/Vision packages.

plvsize.sql

Displays the size of PL/Vision stored code by accessing the USER_OBJECT_SIZE data dictionary.

plvsyn.sql

Creates private synonyms for all PL/Vision packages for the specified account.

plvtrem.sql

Removes all PL/Vision tables.

4.6.2 Contents of the test Subdirectory

File

Description of Contents

*.tst

The disk contains a series of test scripts for many of the PL/Vision packages. They are generally named PKG.tst where PKG is the name of the package. Examples are PLVtrc.tst and PLVexc.tst . You can use these as a starting point for executing and trying out the PL/Vision packages.

isnum.spp

A package containing multiple implementations of a function that returns TRUE if the string is a number, FALSE otherwise.

isnum.tst

A test script to analyze the performance of the various functions in isnum.spp .

lower.spp

A package used to test the conversion of code to upper- and lowercase using the PLVcase package.

mthtotal.sf

A stored function which uses PLVfile to locate a specific line in a file and then return a value extracted from that line.

PLVexc1.spp

The first version of PLVexc the author developed to provide high-level exception-handling capabilities. It is interesting to compare this iteration with the final version to see how the capabilities of PLVexc grew increasingly abstract and declarative.

showasci.sql

Simple script to show the contents of the ASCII code table for the specified range of numbers.

showhelp.all

Code used to implement a prototype for an online help mechanism.

spiral.all

All of the different iterations of code that evolved in Chapter 3, The PL/SQL Development Spiral

testpkg.sql

Tests the overhead required to retrieve a value from a packaged global versus a local variable.

timerep.sql

A script that compares the performance of a string-repeating function for different implementations.

upcexc.spp

Example of an application-specific exception-handling package built over the more generic PLVexc package.

4.6.3 Contents of the use Subdirectory

File

Description of Contents

code.sql

Shortcut for executing PLVvu.code to see the source code for a stored object.

creind.sql

Creates a single index using dynamic SQL .

dispfile.sql

Displays the contents of a file using UTL_FILE and DBMS_OUTPUT (well, actually using the PL/Vision packages that in turn use those builtin packages).

dumpemp.sql

Demonstration of use of PLVio to dump the contents of the emp table to a PL/SQL table (the PLVio target repository).

dumpprog.sql

Dumps an program stored in the database out to an operating system file.

dumpprog.sql

Dumps the source code for a program into an operating system file using the PLVfile package.

dynps.sql

Demonstration of need to declare data structures as globals (in a package specification) if you are going to reference that data in a dynamically constructed PL/SQL block.

dynvar.sql

Demonstration of code required to dynamically create a package containing a global variable, including use of PLVtmr to calculate performance of this action.

errm.sql

Shortcut to execute PLV.errm to display the error message for an error code.

execall.sql

Grants execute authority on the specified program unit to PUBLIC and then creates a public synonym for that program.

func.sql

Shortcut to generate a function using the PLVgen.func program generator.

gendesc.sql

Demonstration of use of PLVobj.loopexec and dynamic PL/SQL to generate a script that outputs a DESC statement for each specified object.

gentkn.sql

Script that generates INSERT statements for the PLV_token and PLV_token_type tables.

haverr.sql

Shows all the modules that have entries in USER_ERRORS. A good quick way to see if an installation script completed successfully.

help.sql

Displays the top-level help for the specified program.

inctlg.sql

Shows the contents of the PLVctlg table for a particular program.

inexc.sql

Script to display contents of default PL/Vision exception log.

inline.sql

Displays all lines of code from the specified program that contains a particular string, relying mainly on PLVobj.

inline2.sql

Another version of inline that relies on PLVio to do the same job and requires much less code.

inlog.sql

Script to display the contents of the default PL/Vision log.

inrfrnc.sql

Displays the contents of the PLVrfrnc table for a particular program.

insrc.sql

Quick glance at the contents of PLV_source , the default repository for source code when writing to a database table.

intree.sql

Displays all elements which are dependent on the specified object, as is currently stored in the PLVrfrnc table.

listing.sql

Displays the element listing or index from the PLVhlp online help for a given package.

login.sql

Sample startup script for SQL*Plus (for PL/SQL Release 2.2 or earlier).

login23.sql

Sample startup script for SQL*Plus (for PL/SQL Release 2.3 or later).

modprs.sql

Shortcut script to generate and display the PL/SQL parser (via PLVprsps) of the specified program unit. The second argument of the script allows you to specify the type of identifiers to be retained in the parse. See the PLVprsps specification for the valid options for the second parameter.

more.sql

Shows the next page of online help using the PLVhlp facility.

nameres.sql

Provides a easy-to-call interface to the DBMS_UTILITY.NAME_RESOLVE builtin procedure.

nametoke.sql

Shortcut script to execute the DBMS_UTILITY.NAME_TOKENIZE builtin and see the results.

now.sql

Displays the current date and time.

plvcat.sql

Script to call PLVcat.module to catalogue all PL/Vision packages.

recomp.sql

Generates a SQL*Plus script to recompile and show errors for any program whose status is currently set to INVALID.

sepb.sql

Shortcut for SHOW ERRORS PACKAGE BODY, which displays the errors for the specified package body.

setcase.sql

Uses the PLVcase package to set or convert the case of one or more programs as specified. The script reads the source code from the data dictionary, writes it out to an operating system file, and then CREATE OR REPLACEs it back into the database.

sherr.sql

Shortcut for a call to the PLVvu.err procedure. Accepts a single argument, the program for which you want to display errors.

showerr.sp

An early version of the PLVvu.err procedure; this stored procedure displays error information.

showerr.sql showerr1.sp showerr2.sp

Different implementations of scripts that provide an alternative to the SHOW ERRORS command of SQL*Plus

showlog.sql

Shows the contents of the PL/SQL table-based PL/Vision log for the specified context entered on the current day.

showobj1.sql

Example of use of PLVobj cursor-related elements to query and display all the objects that match the specified string.

showobj2.sql

Another version of "show objects" that accomplishes the same task with a higher-level PLVobj element, vu2pstab .

showsrc.sql

Quick and simple display of the specified lines (start and end range) source code for a particular program. You can also use PLVvu.code to take advantage of the full range of features of that utility.

ssoo.sql

Executes Set ServerOutput On (hence, "ssoo") and sets the buffer size to one megabyte (the maximum).

vu.sql

A SQL*Plus shortcut script to execute PLVvu.code to view your stored code.

vuindex.sql

Allows you to view all indexes and their columns for the specified table.

zoom.sql

Displays PLVhlp online help text for a specified topic.

zoomn.sql

Displays PLVhlp online help text for a specified topic by number.


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