DROP FUNCTION

NAME
SYNOPSIS
DESCRIPTION æè¿°
PARAMETERS åæ°
EXAMPLES ä¾å
COMPATIBILITY å¼å®¹æ§
SEE ALSO åè§
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NAME

DROP FUNCTION - å é¤ä¸ä¸ªå½æ°

SYNOPSIS

DROP FUNCTION name ( [ type [, ...] ] ) [ CASCADE | RESTRICT ]

DESCRIPTION æè¿°

DROP FUNCTION å°å é¤ä¸ä¸ªç°åçå½æ°çå¼ç¨ã è¦æ§è¡è¿æ¡å½ä»¤ï¼ç¨æ·å¿é¡»æ¯å½æ°çææèã å¿é¡»å£°æå½æ°çåæ°ç±»åï¼å ä¸ºå ä¸ªä¸åçå½æ°å¯è½ä¼æåæ ·çåååä¸åçåæ°å表ã

PARAMETERS åæ°

name

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type

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CASCADE

èªå¨å é¤ä¾èµäºå½æ°ç对象ï¼æ¯å¦æä½ç¬¦æ触åå¨ï¼ã

RESTRICT

å¦ææä»»ä½ä¾èµå¯¹è±¡åå¨ï¼åæç»å é¤è¯¥å½æ°ãè¿ä¸ªæ¯ç¼ºçã

EXAMPLES ä¾å

è¿æ¡å½ä»¤å é¤å¹³æ¹æ ¹å½æ°ï¼

DROP FUNCTION sqrt(integer);

COMPATIBILITY å¼å®¹æ§

å¨ SQL æ åéå®ä¹äºä¸ä¸ª DROP FUNCTION è¯å¥ã ä½åè¿æ¡å½ä»¤ä¸å¼å®¹ã

SEE ALSO åè§

CREATE FUNCTION [create_function(7)], ALTER FUNCTION [alter_function(l)]

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Postgresql ä¸æç½ç« ä½ä¼å¹³ <laser@pgsqldb.org>

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