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Postgres FD Implementation
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Abuhujair Javed
Postgres FD Implementation
Commits
8dcf998d
Commit
8dcf998d
authored
Oct 26, 2001
by
Tom Lane
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Remove no-longer-needed dependencies on DLSUFFIX.
parent
62651c01
Changes
4
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4 changed files
with
24 additions
and
40 deletions
+24
-40
src/tutorial/Makefile
src/tutorial/Makefile
+3
-9
src/tutorial/README
src/tutorial/README
+4
-15
src/tutorial/complex.source
src/tutorial/complex.source
+12
-11
src/tutorial/funcs.source
src/tutorial/funcs.source
+5
-5
No files found.
src/tutorial/Makefile
View file @
8dcf998d
...
...
@@ -4,7 +4,7 @@
# Makefile for tutorial
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/tutorial/Makefile,v 1.1
3 2001/08/09 13:52:06
tgl Exp $
# $Header: /cvsroot/pgsql/src/tutorial/Makefile,v 1.1
4 2001/10/26 20:45:33
tgl Exp $
#
#-------------------------------------------------------------------------
...
...
@@ -16,7 +16,7 @@ override CFLAGS+= $(CFLAGS_SL)
override DLLLIBS
:
= $(BE_DLLLIBS) $(DLLLIBS)
#
# DLOBJS
is
the dynamically-loaded object files. The "funcs" queries
# DLOBJS
are
the dynamically-loaded object files. The "funcs" queries
# include CREATE FUNCTIONs that load routines from these files.
#
DLOBJS
=
complex
$(DLSUFFIX)
funcs
$(DLSUFFIX)
...
...
@@ -26,15 +26,9 @@ QUERIES= advanced.sql basics.sql complex.sql funcs.sql syscat.sql
all
:
$(DLOBJS) $(QUERIES)
%.sql
:
%.source
if
[
-z
"
$$
USER"
]
;
then
USER
=
$$
LOGNAME
;
fi
;
\
if
[
-z
"
$$
USER"
]
;
then
USER
=
`
whoami
`
;
fi
;
\
if
[
-z
"
$$
USER"
]
;
then
echo
'Cannot deduce $$USER.'
;
exit
1
;
fi
;
\
rm
-f
$@
;
\
C
=
`
pwd
`
;
\
sed
-e
"s:_CWD_:
$$
C:g"
\
-e
"s:_OBJWD_:
$$
C:g"
\
-e
"s:_DLSUFFIX_:
$(DLSUFFIX)
:g"
\
-e
"s/_USER_/
$$
USER/g"
<
$<
>
$@
sed
-e
"s:_OBJWD_:
$$
C:g"
<
$<
>
$@
clean
:
rm
-f
$(DLOBJS)
$(QUERIES)
src/tutorial/README
View file @
8dcf998d
This directory contains SQL tutorial scripts. To look at them, first do a
% make
to compile all the scripts and C files for the user-defined functions
and types. (make needs to be GNU make
and
may be named something
different on your system)
and types. (make needs to be GNU make
--- it
may be named something
different on your system
, often gmake
)
Then, run psql with the -s flag:
Then, run psql with the -s
(single-step)
flag:
% psql -s
Welcome to the POSTGRESQL interactive sql monitor:
Please read the file COPYRIGHT for copyright terms of POSTGRESQL
type \? for help on slash commands
type \q to quit
type \g or terminate with semicolon to execute query
You are currently connected to the database: jolly
jolly==>
From within psql, you can try each individual script file by using
the \i <filename> psql command.
psql's \i <filename> command.
src/tutorial/complex.source
View file @
8dcf998d
...
...
@@ -7,7 +7,7 @@
--
-- Copyright (c) 1994, Regents of the University of California
--
-- $Id: complex.source,v 1.1
0 2001/10/03 20:54:22
tgl Exp $
-- $Id: complex.source,v 1.1
1 2001/10/26 20:45:33
tgl Exp $
--
---------------------------------------------------------------------------
...
...
@@ -18,7 +18,8 @@
-- called 'complex' which represents complex numbers.
-----------------------------
-- Assume the user defined functions are in _OBJWD_/complex_DLSUFFIX_
-- Assume the user defined functions are in _OBJWD_/complex$DLSUFFIX
-- (we do not want to assume this is in the dynamic loader search path)
-- Look at $PWD/complex.c for the source.
-- the input function 'complex_in' takes a null-terminated string (the
...
...
@@ -28,7 +29,7 @@
CREATE FUNCTION complex_in(opaque)
RETURNS complex
AS '_OBJWD_/complex
_DLSUFFIX_
'
AS '_OBJWD_/complex'
LANGUAGE 'c';
-- the output function 'complex_out' takes the internal representation and
...
...
@@ -36,7 +37,7 @@ CREATE FUNCTION complex_in(opaque)
CREATE FUNCTION complex_out(opaque)
RETURNS opaque
AS '_OBJWD_/complex
_DLSUFFIX_
'
AS '_OBJWD_/complex'
LANGUAGE 'c';
-- now, we can create the type. The internallength specifies the size of the
...
...
@@ -80,7 +81,7 @@ SELECT * FROM test_complex;
-- first, define a function complex_add (also in complex.c)
CREATE FUNCTION complex_add(complex, complex)
RETURNS complex
AS '_OBJWD_/complex
_DLSUFFIX_
'
AS '_OBJWD_/complex'
LANGUAGE 'c';
-- we can now define the operator. We show a binary operator here but you
...
...
@@ -138,15 +139,15 @@ SELECT 'READ ABOVE!' AS STOP;
-- first, define the required operators
CREATE FUNCTION complex_abs_lt(complex, complex) RETURNS bool
AS '_OBJWD_/complex
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/complex' LANGUAGE 'c';
CREATE FUNCTION complex_abs_le(complex, complex) RETURNS bool
AS '_OBJWD_/complex
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/complex' LANGUAGE 'c';
CREATE FUNCTION complex_abs_eq(complex, complex) RETURNS bool
AS '_OBJWD_/complex
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/complex' LANGUAGE 'c';
CREATE FUNCTION complex_abs_ge(complex, complex) RETURNS bool
AS '_OBJWD_/complex
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/complex' LANGUAGE 'c';
CREATE FUNCTION complex_abs_gt(complex, complex) RETURNS bool
AS '_OBJWD_/complex
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/complex' LANGUAGE 'c';
CREATE OPERATOR < (
leftarg = complex, rightarg = complex, procedure = complex_abs_lt,
...
...
@@ -231,7 +232,7 @@ INSERT INTO pg_amop (amopclaid, amopstrategy, amopreqcheck, amopopr)
--
CREATE FUNCTION complex_abs_cmp(complex, complex) RETURNS int4
AS '_OBJWD_/complex
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/complex' LANGUAGE 'c';
SELECT oid, proname FROM pg_proc WHERE proname = 'complex_abs_cmp';
...
...
src/tutorial/funcs.source
View file @
8dcf998d
...
...
@@ -6,7 +6,7 @@
--
-- Copyright (c) 1994-5, Regents of the University of California
--
-- $Id: funcs.source,v 1.
4 2000/03/28 02:49:19
tgl Exp $
-- $Id: funcs.source,v 1.
5 2001/10/26 20:45:33
tgl Exp $
--
---------------------------------------------------------------------------
...
...
@@ -126,16 +126,16 @@ SELECT name(high_pay()) AS overpaid;
-----------------------------
CREATE FUNCTION add_one(int4) RETURNS int4
AS '_OBJWD_/funcs
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/funcs' LANGUAGE 'c';
CREATE FUNCTION makepoint(point, point) RETURNS point
AS '_OBJWD_/funcs
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/funcs' LANGUAGE 'c';
CREATE FUNCTION copytext(text) RETURNS text
AS '_OBJWD_/funcs
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/funcs' LANGUAGE 'c';
CREATE FUNCTION c_overpaid(EMP, int4) RETURNS bool
AS '_OBJWD_/funcs
_DLSUFFIX_
' LANGUAGE 'c';
AS '_OBJWD_/funcs' LANGUAGE 'c';
SELECT add_one(3) AS four;
...
...
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