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)