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cpython-source-deps/docs_src/dbc/dbc_del.so
2017-09-04 13:40:25 -05:00

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m4_comment([$Id: dbc_del.so,v 10.49 2007/10/24 16:06:07 bostic Exp $])
define(M4PAGELOCAL, [dbc_del])
include(m4/m4.seealso)
m4_pf_header(m4_ref(dbc_del),
ifelse(M4API, C_API, [dnl
int
DBcursor-__GT__del(DBC *DBcursor, u_int32_t flags);
])
ifelse(M4API, CXX_API, [dnl
int
Dbc::del(u_int32_t flags);
]))
m4_p([dnl
The m4_refT(dbc_del) deletes the key/data pair to which the cursor
refers.])
m4_p([dnl
When called on a cursor opened on a database that has been made into a
secondary index using the m4_refT(dbh_associate), the m4_refT(dbh_del)
deletes the key/data pair from the primary database and all secondary
indices.])
m4_p([dnl
The cursor position is unchanged after a delete, and subsequent calls to
cursor functions expecting the cursor to refer to an existing key will
fail.])
m4_return(dbc_del,
specific, DB_KEYEMPTY, [if the element has already been deleted], prev)
m4_parambegin
m4_unusedflags
m4_paramend
m4_err(dbc_del, deadlock, rephandle, replockout, secondary_bad, readonly,
einval, [the cursor has not been initialized], cdbperm)
m4_seealso(Dbc)
m4_page_footer