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Added new versions of dblink, dblink_exec, dblink_open, dblink_close,

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and, dblink_fetch -- allows ERROR on remote side of connection to
throw NOTICE locally instead of ERROR. Also removed documentation for
previously deprecated, now removed, functions.
This commit is contained in:
Joe Conway
2004-03-07 02:27:00 +00:00
parent cb659ecb40
commit 6a1e2b3c28
9 changed files with 556 additions and 185 deletions
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32
contrib/dblink/doc/cursor
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@ -5,8 +5,8 @@ dblink_open -- Opens a cursor on a remote database
Synopsis
dblink_open(text cursorname, text sql)
dblink_open(text connname, text cursorname, text sql)
dblink_open(text cursorname, text sql [, bool fail_on_error])
dblink_open(text connname, text cursorname, text sql [, bool fail_on_error])
Inputs
@ -23,6 +23,13 @@ Inputs
sql statement that you wish to execute on the remote host
e.g. "select * from pg_class"
fail_on_error
If true (default when not present) then an ERROR thrown on the remote side
of the connection causes an ERROR to also be thrown locally. If false, the
remote ERROR is locally treated as a NOTICE, and the return value is set
to 'ERROR'.
Outputs
Returns status = "OK"
@ -56,8 +63,8 @@ dblink_fetch -- Returns a set from an open cursor on a remote database
Synopsis
dblink_fetch(text cursorname, int32 howmany)
dblink_fetch(text connname, text cursorname, int32 howmany)
dblink_fetch(text cursorname, int32 howmany [, bool fail_on_error])
dblink_fetch(text connname, text cursorname, int32 howmany [, bool fail_on_error])
Inputs
@ -75,6 +82,12 @@ Inputs
starting at the current cursor position, moving forward. Once the cursor
has positioned to the end, no more rows are produced.
fail_on_error
If true (default when not present) then an ERROR thrown on the remote side
of the connection causes an ERROR to also be thrown locally. If false, the
remote ERROR is locally treated as a NOTICE, and no rows are returned.
Outputs
Returns setof record
@ -132,8 +145,8 @@ dblink_close -- Closes a cursor on a remote database
Synopsis
dblink_close(text cursorname)
dblink_close(text connname, text cursorname)
dblink_close(text cursorname [, bool fail_on_error])
dblink_close(text connname, text cursorname [, bool fail_on_error])
Inputs
@ -145,6 +158,13 @@ Inputs
a reference name for the cursor
fail_on_error
If true (default when not present) then an ERROR thrown on the remote side
of the connection causes an ERROR to also be thrown locally. If false, the
remote ERROR is locally treated as a NOTICE, and the return value is set
to 'ERROR'.
Outputs
Returns status = "OK"