SQL::Dialects::Role(3pm) User Contributed Perl Documentation SQL::Dialects::Role(3pm)NAME
SQL::Dialects::Role - The role of being a SQL::Dialect
SYNOPSIS
package My::SQL::Dialect;
use SQL::Dialects::Role;
sub get_config {
return <<CONFIG;
[SECTION]
item1
item2
[ANOTHER SECTION]
item1
item2
CONFIG
}
DESCRIPTION
This adds the role of being a SQL::Dialect to your class.
Requirements
You must implement...
get_config
my $config = $class->get_config;
Returns information about the dialect in an INI-like format.
Implements
The role implements...
get_config_as_hash
my $config = $class->get_config_as_hash;
Returns the data represented in get_config() as a hash ref.
Items will be upper-cased, sections will be lower-cased.
The example in the SYNOPSIS would come back as...
{
section => {
ITEM1 => 1,
ITEM2 => 2,
},
another_section => {
ITEM1 => 1,
ITEM2 => 2,
}
}
SEE ALSO
"dialect()" in SQL::Parser
perl v5.10.1 2011-02-01 SQL::Dialects::Role(3pm)
Check Out this Related Man Page
SQL::Statement::Term(3pm) User Contributed Perl Documentation SQL::Statement::Term(3pm)NAME
SQL::Statement::Term - base class for all terms
SYNOPSIS
# create a term with an SQL::Statement object as owner
my $term = SQL::Statement::Term->new( $owner );
# access the value of that term
$term->value( $eval );
DESCRIPTION
SQL::Statement::Term is an abstract base class providing the interface for all terms.
INHERITANCE
SQL::Statement::Term
METHODS
new
Instantiates new term and stores a weak reference to the owner.
value
Abstract method which will return the value of the term. Must be overridden by derived classes.
DESTROY
Destroys the term and undefines the weak reference to the owner.
NAME
SQL::Statement::ConstantTerm - term for constant values
SYNOPSIS
# create a term with an SQL::Statement object as owner
my $term = SQL::Statement::ConstantTerm->new( $owner, 'foo' );
# access the value of that term - returns 'foo'
$term->value( $eval );
DESCRIPTION
SQL::Statement::ConstantTerm implements a term which will always return the same constant value.
INHERITANCE
SQL::Statement::ConstantTerm
ISA SQL::Statement::Term
METHODS
new
Instantiates new term and stores the constant to deliver and a weak reference to the owner.
value
Returns the specified constant.
NAME
SQL::Statement::ColumnValue - term for column values
SYNOPSIS
# create a term with an SQL::Statement object as owner
my $term = SQL::Statement::ColumnValue->new( $owner, 'id' );
# access the value of that term - returns the value of the column 'id'
# of the currently active row in $eval
$term->value( $eval );
DESCRIPTION
SQL::Statement::ColumnValue implements a term which will return the specified column of the active row.
INHERITANCE
SQL::Statement::ColumnValue
ISA SQL::Statement::Term
METHODS
new
Instantiates new term and stores the column name to deliver and a weak reference to the owner.
value
Returns the specified column value.
AUTHOR AND COPYRIGHT
Copyright (c) 2009,2010 by Jens Rehsack: rehsackATcpan.org
All rights reserved.
You may distribute this module under the terms of either the GNU General Public License or the Artistic License, as specified in the Perl
README file.
perl v5.10.1 2011-02-01 SQL::Statement::Term(3pm)
I have a huge matrix file containing some 1.5 million rows and 6000 columns. The matrix looks something like this:
1 2 3
4 5 6
7 8 9
3 4 5
I want to add all the numbers in the columns of this matrix and display the result to my stdout. This means that the numbers in the first column are:
... (2 Replies)
Hi,
Just trying to get to grips with sed and awk for some reporting for work and I need some assistance:
I have a file that lists policy names on the first line and then on the second line whether the policy is active or not.
Policy Name: Policy1
Active: yes
Policy... (8 Replies)
version info :
vi availabe with RHEL 5.4
I have a text file with 10,000 lines. I want to copy lines from 5000th line to 7000th and redirect to a file. Any idea how I can do this?
Note:
The above scenario is just an example. In my actual requirement, the file has 14 million lines and I want... (9 Replies)
Hi everyone,
I know the following questions are noobish questions but I am asking them because I am confused about the basics of history behind UNIX and LINUX.
Ok onto business, my questions are-:
Was/Is UNIX ever an open source operating system ?
If UNIX was... (21 Replies)
Hello,
I couldn't find an actual introduction thread, so I decided to just put this here.
I go by d0wngrade online. I have been programming in multiple languages for about 15+ years. I started with standard web design languages like HTML and CSS, but I then advanced from design to development... (2 Replies)
Hi guys...
The first active code line in AudioScope.sh is set -u .
This causes a complete exit if a variable is used/found but has not been allocated at the start of the program.
However, apart from writing code to do the task, is there a switch to to check which variables have been... (17 Replies)
Hi.
In thread https://www.unix.com/shell-programming-and-scripting/267833-grouping-counting.html rovf and I had a mini-discussion on grep and awk.
Here is a demo script that compares the awk and grep approaches for this single problem:
#!/usr/bin/env bash
# @(#) s2 Demonstrate group... (1 Reply)
Hello,
I have to fish out some specific columns from a file based on the header value. I have the list of columns I need in a different file. I thought I could read in the list of headers I need,
# file with header names of required columns in required order
headers_file=$2
# read contents... (11 Replies)
For those interested in installing dash shell on OSX Lion to help test POSIX compliancy of shell scripts, it is quite easy. I did it like this:
If you don't have gcc on your system:
0. Download and install the Command Line Tools for Xcode package from Sign In - Apple *
1. Download the dash... (2 Replies)
Hello and thanks in advance for any help anyone can offer me
I'm trying to learn the find command and thought I was understanding it... Apparently I was wrong. I was doing compound searches and I started getting weird results with the -size test. I was trying to do a search on a 1G file owned by... (14 Replies)
I have data of an excel files as given below,
file1
org1_1 1 1 2.5 100
org1_2 1 2 5.5 98
org1_3 1 3 7.2 88
file2
org2_1 1 1 2.5 100
org2_2 1 2 5.5 56
org2_3 1 3 7.2 70
I have multiple excel files as above shown.
I have to copy column 1, column 4 and paste into a new excel file as... (26 Replies)
Dear All,
Taking a break from Vue.js coding for the site, SEO and YT videos; and hopefully addressing some well deserved criticism from some here that I have been too focused on the visual aspects of the forums versus the substance and the community....
While the "current generation... (9 Replies)
Hi all...
Well guys and gals, I jumped in at the deep end and found things that PERL cannot do by default.
Many tricky terminal escape codes are not catered for so I had to create workarounds.
One thing I searched for was this:
Passing perl variable to shell command
AND, @Neo this was... (15 Replies)