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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.
54 lines
1.5 KiB
SQL
54 lines
1.5 KiB
SQL
/* contrib/adminpack/adminpack--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 adminpack" to load this file. \quit
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/* ***********************************************
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* Administrative functions for PostgreSQL
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* *********************************************** */
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/* generic file access functions */
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CREATE FUNCTION pg_catalog.pg_file_write(text, text, bool)
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RETURNS bigint
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AS 'MODULE_PATHNAME', 'pg_file_write'
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LANGUAGE C VOLATILE STRICT;
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CREATE FUNCTION pg_catalog.pg_file_rename(text, text, text)
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RETURNS bool
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AS 'MODULE_PATHNAME', 'pg_file_rename'
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LANGUAGE C VOLATILE;
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CREATE FUNCTION pg_catalog.pg_file_rename(text, text)
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RETURNS bool
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AS 'SELECT pg_catalog.pg_file_rename($1, $2, NULL::pg_catalog.text);'
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LANGUAGE SQL VOLATILE STRICT;
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CREATE FUNCTION pg_catalog.pg_file_unlink(text)
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RETURNS bool
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AS 'MODULE_PATHNAME', 'pg_file_unlink'
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LANGUAGE C VOLATILE STRICT;
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CREATE FUNCTION pg_catalog.pg_logdir_ls()
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RETURNS setof record
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AS 'MODULE_PATHNAME', 'pg_logdir_ls'
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LANGUAGE C VOLATILE STRICT;
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/* Renaming of existing backend functions for pgAdmin compatibility */
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CREATE FUNCTION pg_catalog.pg_file_read(text, bigint, bigint)
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RETURNS text
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AS 'pg_read_file'
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LANGUAGE INTERNAL VOLATILE STRICT;
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CREATE FUNCTION pg_catalog.pg_file_length(text)
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RETURNS bigint
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AS 'SELECT size FROM pg_catalog.pg_stat_file($1)'
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LANGUAGE SQL VOLATILE STRICT;
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CREATE FUNCTION pg_catalog.pg_logfile_rotate()
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RETURNS int4
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AS 'pg_rotate_logfile'
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LANGUAGE INTERNAL VOLATILE STRICT;
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