Re: proposal: schema variables
Gilles Darold <gilles.darold@dalibo.com>
Commits
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API reference →
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Move WAL sequence code into its own file
- a87987cafca6 19 (unreleased) cited
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Add ExplainState argument to pg_plan_query() and planner().
- c83ac02ec730 19 (unreleased) cited
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Don't include access/htup_details.h in executor/tuptable.h
- 1a8b5b11e48a 19 (unreleased) cited
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Refactor to avoid code duplication in transformPLAssignStmt.
- b0fb2c6aa5a4 19 (unreleased) cited
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Avoid including commands/dbcommands.h in so many places
- 325fc0ab14d1 19 (unreleased) cited
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Restrict psql meta-commands in plain-text dumps.
- 71ea0d679543 19 (unreleased) cited
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Split func.sgml into more manageable pieces
- 4e23c9ef65ac 19 (unreleased) cited
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Fix squashing algorithm for query texts
- 0f65f3eec478 18.0 cited
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EXPLAIN: Always use two fractional digits for row counts.
- 95dbd827f2ed 18.0 cited
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Preliminary refactoring of plpgsql expression construction.
- a654af21ae52 18.0 cited
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plpgsql: pure parser and reentrant scanner
- 7b27f5fd36cb 18.0 cited
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Add some sanity checks in executor for query ID reporting
- 24f520594809 18.0 cited
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Fix misleading error message context
- 4af123ad45bd 18.0 cited
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Add macros for looping through a List without a ListCell.
- 14dd0f27d7cd 17.0 cited
Le 01/11/2017 à 05:15, Pavel Stehule a écrit :
>
>
> 2017-10-31 22:28 GMT+01:00 srielau <serge@rielau.com
> <mailto:serge@rielau.com>>:
>
> Pavel,
>
> There is no
> DECLARE TEMP CURSOR
> or
> DECLARE TEMP variable in PLpgSQL
> and
>
>
> sure .. DECLARE TEMP has no sense, I talked about similarity DECLARE
> and CREATE TEMP
>
>
> CREATE TEMP TABLE has a different meaning from what I understand you
> envision for variables.
>
> But maybe I'm mistaken. Your original post did not describe the entire
> syntax:
> CREATE [TEMP] VARIABLE [IF NOT EXISTS] name AS type
> [ DEFAULT expression ] [[NOT] NULL]
> [ ON TRANSACTION END { RESET | DROP } ]
> [ { VOLATILE | STABLE } ];
>
> Especially the TEMP is not spelled out and how its presence affects or
> doesn't ON TRANSACTION END.
> So may be if you elaborate I understand where you are coming from.
>
>
> TEMP has same functionality (and implementation) like our temp tables
> - so at session end the temp variables are destroyed, but it can be
> assigned to transaction.
Oh ok, I understand thanks for the precision.
--
Gilles Darold
Consultant PostgreSQL
http://dalibo.com - http://dalibo.org