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It was never terribly consistent to use OR REPLACE (because of the lack of comparable functionality for data types, operators, etc), and experimentation shows that it's now positively pernicious in the extension world. We really want a failure to occur if there are any conflicts, else it's unclear what the extension-ownership state of the conflicted object ought to be. Most of the time, CREATE EXTENSION will fail anyway because of conflicts on other object types, but an extension defining only functions can succeed, with bad results.
65 lines
1016 B
SQL
65 lines
1016 B
SQL
/* contrib/chkpass/chkpass--1.0.sql */
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--
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-- Input and output functions and the type itself:
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--
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CREATE FUNCTION chkpass_in(cstring)
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RETURNS chkpass
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT;
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CREATE FUNCTION chkpass_out(chkpass)
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RETURNS cstring
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AS 'MODULE_PATHNAME'
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LANGUAGE C STRICT;
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CREATE TYPE chkpass (
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internallength = 16,
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input = chkpass_in,
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output = chkpass_out
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);
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CREATE FUNCTION raw(chkpass)
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RETURNS text
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AS 'MODULE_PATHNAME', 'chkpass_rout'
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LANGUAGE C STRICT;
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--
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-- The various boolean tests:
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--
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CREATE FUNCTION eq(chkpass, text)
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RETURNS bool
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AS 'MODULE_PATHNAME', 'chkpass_eq'
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LANGUAGE C STRICT;
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CREATE FUNCTION ne(chkpass, text)
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RETURNS bool
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AS 'MODULE_PATHNAME', 'chkpass_ne'
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LANGUAGE C STRICT;
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--
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-- Now the operators.
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--
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CREATE OPERATOR = (
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leftarg = chkpass,
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rightarg = text,
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negator = <>,
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procedure = eq
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);
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CREATE OPERATOR <> (
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leftarg = chkpass,
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rightarg = text,
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negator = =,
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procedure = ne
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);
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COMMENT ON TYPE chkpass IS 'password type with checks';
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--
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-- eof
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--
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