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EXAMPLE.txt
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glue=# BEGIN;
BEGIN
glue=# -- Let's create a function "Foo"
glue=# CREATE FUNCTION Foo(_X numeric) RETURNS NUMERIC AS $BODY$
glue$# DECLARE
glue$# BEGIN
glue$# RETURN _X * 2;
glue$# END;
glue$# $BODY$ LANGUAGE plpgsql IMMUTABLE;
CREATE FUNCTION
glue=#
glue=# -- Let's create another function "Bar"
glue=# CREATE FUNCTION Bar(_Y numeric) RETURNS NUMERIC AS $BODY$
glue$# DECLARE
glue$# BEGIN
glue$# RETURN _Y / 2;
glue$# END;
glue$# $BODY$ LANGUAGE plpgsql IMMUTABLE;
CREATE FUNCTION
glue=#
glue=# -- Let's see at the changes our deploy would make
glue=#
glue=# SELECT Deploy($DEPLOY$
glue$#
glue$# -- Let's drop the Foo function...
glue$# DROP FUNCTION Foo(numeric);
glue$#
glue$# -- ...and change the Bar function...
glue$# CREATE OR REPLACE FUNCTION Bar(_Y numeric) RETURNS NUMERIC AS $BODY$
glue$# DECLARE
glue$# BEGIN
glue$# RETURN _Y / 3;
glue$# END;
glue$# $BODY$ LANGUAGE plpgsql IMMUTABLE;
glue$#
glue$# -- ...and add a Blerk function...
glue$# CREATE OR REPLACE FUNCTION Blerk(_Z numeric) RETURNS TEXT AS $BODY$
glue$# DECLARE
glue$# BEGIN
glue$# RETURN 'Hej';
glue$# END;
glue$# $BODY$ LANGUAGE plpgsql IMMUTABLE;
glue$#
glue$#
glue$# $DEPLOY$,NULL);
deploy
--------------------------------------------------
+-------------------+
| Removed functions |
+-------------------+
Schema................- public
Name..................- foo
Argument data types...- _x numeric
Result data type......- numeric
Language..............- plpgsql
Type..................- normal
Volatility............- IMMUTABLE
Owner.................- postgres
Source code (chars)...- 35
+---------------+
| New functions |
+---------------+
Schema................+ public
Name..................+ blerk
Argument data types...+ _z numeric
Result data type......+ text
Language..............+ plpgsql
Type..................+ normal
Volatility............+ IMMUTABLE
Owner.................+ postgres
Source code (chars)...+ 34
+-------------------------------+
| Updated or replaced functions |
+-------------------------------+
Schema................: public
Name..................: bar
Argument data types...: _y numeric
Result data type......: numeric
Language..............: plpgsql
Type..................: normal
Volatility............: IMMUTABLE
Owner.................: postgres
4 c RETURN _Y / 2;
4 c RETURN _Y / 3;
MD5 of changes: 635e11295435a8eb47519ccd38a5a6d0
(1 row)
glue=#
glue=# -- Changes looks good. Let's deploy for real!
glue=#
glue=# SELECT Deploy($DEPLOY$
glue$#
glue$# -- Let's drop the Foo function...
glue$# DROP FUNCTION Foo(numeric);
glue$#
glue$# -- ...and change the Bar function...
glue$# CREATE OR REPLACE FUNCTION Bar(_Y numeric) RETURNS NUMERIC AS $BODY$
glue$# DECLARE
glue$# BEGIN
glue$# RETURN _Y / 3;
glue$# END;
glue$# $BODY$ LANGUAGE plpgsql IMMUTABLE;
glue$#
glue$# -- ...and add a Blerk function...
glue$# CREATE OR REPLACE FUNCTION Blerk(_Z numeric) RETURNS TEXT AS $BODY$
glue$# DECLARE
glue$# BEGIN
glue$# RETURN 'Hej';
glue$# END;
glue$# $BODY$ LANGUAGE plpgsql IMMUTABLE;
glue$#
glue$#
glue$# $DEPLOY$,'635e11295435a8eb47519ccd38a5a6d0');
deploy
--------------------------------------------------
+-------------------+
| Removed functions |
+-------------------+
Schema................- public
Name..................- foo
Argument data types...- _x numeric
Result data type......- numeric
Language..............- plpgsql
Type..................- normal
Volatility............- IMMUTABLE
Owner.................- postgres
Source code (chars)...- 35
+---------------+
| New functions |
+---------------+
Schema................+ public
Name..................+ blerk
Argument data types...+ _z numeric
Result data type......+ text
Language..............+ plpgsql
Type..................+ normal
Volatility............+ IMMUTABLE
Owner.................+ postgres
Source code (chars)...+ 34
+-------------------------------+
| Updated or replaced functions |
+-------------------------------+
Schema................: public
Name..................: bar
Argument data types...: _y numeric
Result data type......: numeric
Language..............: plpgsql
Type..................: normal
Volatility............: IMMUTABLE
Owner.................: postgres
4 c RETURN _Y / 2;
4 c RETURN _Y / 3;
MD5 of changes: 635e11295435a8eb47519ccd38a5a6d0
(1 row)
glue=#
glue=# -- Done!
glue=# COMMIT;
COMMIT
glue=#