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458857cc9d
We have seen one too many reports of people trying to use 9.1 extension files in the old-fashioned way of sourcing them in psql. Not only does that usually not work (due to failure to substitute for MODULE_PATHNAME and/or @extschema@), but if it did work they'd get a collection of loose objects not an extension. To prevent this, insert an \echo ... \quit line that prints a suitable error message into each extension script file, and teach commands/extension.c to ignore lines starting with \echo. That should not only prevent any adverse consequences of loading a script file the wrong way, but make it crystal clear to users that they need to do it differently now. Tom Lane, following an idea of Andrew Dunstan's. Back-patch into 9.1 ... there is not going to be much value in this if we wait till 9.2.
32 lines
1.1 KiB
SQL
32 lines
1.1 KiB
SQL
/* contrib/pageinspect/pageinspect--unpackaged--1.0.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "CREATE EXTENSION pageinspect" to load this file. \quit
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DROP FUNCTION heap_page_items(bytea);
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CREATE FUNCTION heap_page_items(IN page bytea,
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OUT lp smallint,
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OUT lp_off smallint,
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OUT lp_flags smallint,
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OUT lp_len smallint,
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OUT t_xmin xid,
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OUT t_xmax xid,
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OUT t_field3 int4,
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OUT t_ctid tid,
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OUT t_infomask2 integer,
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OUT t_infomask integer,
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OUT t_hoff smallint,
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OUT t_bits text,
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OUT t_oid oid)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'heap_page_items'
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LANGUAGE C STRICT;
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ALTER EXTENSION pageinspect ADD function get_raw_page(text,integer);
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ALTER EXTENSION pageinspect ADD function get_raw_page(text,text,integer);
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ALTER EXTENSION pageinspect ADD function page_header(bytea);
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ALTER EXTENSION pageinspect ADD function bt_metap(text);
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ALTER EXTENSION pageinspect ADD function bt_page_stats(text,integer);
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ALTER EXTENSION pageinspect ADD function bt_page_items(text,integer);
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ALTER EXTENSION pageinspect ADD function fsm_page_contents(bytea);
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