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56 lines
1.6 KiB
Groff
56 lines
1.6 KiB
Groff
.\" This is -*-nroff-*-
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.\" XXX standard disclaimer belongs here....
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.\" $Id: oracle_compat.3,v 1.1 1997/03/07 00:47:41 scrappy Exp $
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.TH ORACLE_COMPAT SQL 03/06/97 PostgreSQL PostgreSQL
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.SH DESCRIPTION
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This is a set of single row character functions, defined for the datatype
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text. They are supposed to behave exactly as their Oracle counterparts.
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.PP
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The following functions have been implemented:
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.PP
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.B LOWER(string)
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.IP
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Returns string, with all letters forced to lowercase.
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.PP
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.B UPPER(string)
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.IP
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Returns string, with all letters forced to uppercase.
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.PP
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.B INITCAP(string)
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.IP
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Returns string, with first letter of each word in uppercase,
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all other letters in lowercase. A word is delimited by white
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space.
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.PP
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.B LPAD(string1, len [,string2])
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.IP
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Returns string1, left-padded to length len with the sequence
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of characters in string2. string2 defaults to blanks.
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.PP
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.B RPAD(string1, len [,string2])
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.IP
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Returns string1, right-padded to length len with the sequence
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of characters in string2. string2 defaults to blanks.
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.PP
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.B LTRIM(string [,set])
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.IP
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Returns string with initial characters removed up to the first
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character not in set. set defaults to blanks.
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.PP
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.B RTRIM(string [,set])
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.IP
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Returns string with final characters removed after the last
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character not in set. set defaults to blanks.
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.PP
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.B SUBSTR(string, m [,n])
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.IP
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Returns a portion of string, beginning at character m, n
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characters long. If n is omitted, to the end of the string.
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The first position of string is 1.
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.PP
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.B TRANSLATE(string, from, to)
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.IP
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Returns string after replacing all occurences of from with
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the corresponding character in to. TRANSLATE will not remove
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characters.
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