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UNIX for Beginners Questions & Answers
Problem with getting awk to multiply a field by a value set based on condition of another field
Post 303043683 by RudiC on Monday 3rd of February 2020 07:06:06 PM
02-03-2020
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I want to find the top N entries for a certain field based on the values of another field.
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LEARN ABOUT DEBIAN
alzabo::sqlmaker::postgresql
Alzabo::SQLMaker::PostgreSQL(3pm) User Contributed Perl Documentation Alzabo::SQLMaker::PostgreSQL(3pm) NAME
Alzabo::SQLMaker::PostgreSQL - Alzabo SQL making class for PostgreSQL SYNOPSIS
use Alzabo::SQLMaker; my $sql = Alzabo::SQLMaker->new( sql => 'PostgreSQL' ); DESCRIPTION
PostgreSQL-specific SQL creation. METHODS
Almost all of the functionality inherited from "Alzabo::SQLMaker" as is. The only overridden methods are "limit()" and "get_limit()", as PostgreSQL does allow for a "LIMIT" clause in its SQL. EXPORTED SQL FUNCTIONS
SQL may be imported by name or by tags. They take arguments as documented in the PostgreSQL documentation (version 3.23.39). The func- tions (organized by tag) are: :math PI RANDOM ABD CEIL DEGREES FLOOR FACTORIAL SQRT CBRT EXP LN RADIANS ACOS ASIN ATAN ATAN2 COS COT SIN TAN ROUND TRUNC LOG POW MOD TO_CHAR :string LENGTH CHAR_LENGTH CHARACTER_LENGTh OCTET_LENGTH TIRM UPPER LOWER INITCAP ASCII TO_ASCII STRPOS POSITION TO_NUMBER TO_DATE TO_TIMESTAMP REPEAT RPAD LPAD SUBSTR :datetime NOW CURRENT_DATE CURRENT_TIME CURRENT_TIMESTAMP TIMEOFDAY ISFINIT TIMESTAMP TO_CHAR DATE_PART DATE_TRUNC EXTRACT OVERLAPS :network BROADCAST HOST NETMASK MASKLEN NETWORK TEXT ABBREV :aggregate These are functions which operate on an aggregate set of values all at once. COUNT AVG MIN MAX SUM STDDEV VARIANCE :system These are functions which return information about the Postgres server. CURRENT_USER SYSTEM_USER USER :control These are flow control functions: NULLIF COALESCE :misc These are functions which don't fit into any other categories. ENCRYPT ENCODE DECODE FORMAT INET_NTOA INET_ATON BIT_OR BIT_AND PASSWORD MD5 LOAD_FILE :common These are functions from other groups that are most commonly used. NOW COUNT AVG MIN MAX SUM DISTINCT AUTHOR
Dave Rolsky, <dave@urth.org> perl v5.8.8 2007-12-23 Alzabo::SQLMaker::PostgreSQL(3pm)