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70 Commits

Author SHA1 Message Date
Tom Lane 3a94e789f5 Subselects in FROM clause, per ISO syntax: FROM (SELECT ...) [AS] alias. 
(Don't forget that an alias is required.)  Views reimplemented as expanding
to subselect-in-FROM.  Grouping, aggregates, DISTINCT in views actually
work now (he says optimistically).  No UNION support in subselects/views
yet, but I have some ideas about that.  Rule-related permissions checking
moved out of rewriter and into executor.
INITDB REQUIRED!
 2000-09-29 18:21:41 +00:00
Tom Lane 37168b8da4 Clean up handling of variable-free qual clauses. System now does the 
right thing with variable-free clauses that contain noncachable functions,
such as 'WHERE random() < 0.5' --- these are evaluated once per
potential output tuple.  Expressions that contain only Params are
now candidates to be indexscan quals --- for example, 'var = ($1 + 1)'
can now be indexed.  Cope with RelabelType nodes atop potential indexscan
variables --- this oversight prevents 7.0.* from recognizing some
potentially indexscanable situations.
 2000-08-13 02:50:35 +00:00
Bruce Momjian 5c25d60244 Add: 
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc

to all files copyright Regents of Berkeley.  Man, that's a lot of files.
 2000-01-26 05:58:53 +00:00
Bruce Momjian b78769fda2 Fix it's and its to be correct. 2000-01-05 18:23:54 +00:00
Bruce Momjian 6f9ff92cc0 Tid access method feature from Hiroshi Inoue, Inoue@tpf.co.jp 1999-11-23 20:07:06 +00:00
Bruce Momjian a71802e12e Final cleanup. 1999-07-16 05:00:38 +00:00
Bruce Momjian 344dfc0b0f Remove Tee code, move to _deadcode. 1999-03-23 16:51:04 +00:00
Bruce Momjian 6724a50787 Change my-function-name-- to my_function_name, and optimizer renames. 1999-02-13 23:22:53 +00:00
Bruce Momjian af74855a60 Renaming cleanup, no pgindent yet. 1998-09-01 03:29:17 +00:00
Bruce Momjian 6bd323c6b3 Remove un-needed braces around single statements. 1998-06-15 19:30:31 +00:00
Bruce Momjian 07140ee024 Allow cancel from client of backend query. Change some int variables 
to bool's.
 1998-05-19 18:05:58 +00:00
Bruce Momjian a32450a585 pgindent run before 6.3 release, with Thomas' requested changes. 1998-02-26 04:46:47 +00:00
Vadim B. Mikheev 1a105cefbd Support for subselects. 
ExecReScan for nodeAgg, nodeHash, nodeHashjoin, nodeNestloop and nodeResult.
Fixed ExecReScan for nodeMaterial.
Get rid of #ifdef INDEXSCAN_PATCH.
Get rid of ExecMarkPos and ExecRestrPos in nodeNestloop.
 1998-02-13 03:26:53 +00:00
Bruce Momjian 679d39b9c8 Goodbye ABORT. Hello ERROR for all errors. 1998-01-07 21:07:04 +00:00
Bruce Momjian 0d9fc5afd6 Change elog(WARN) to elog(ERROR) and elog(ABORT). 1998-01-05 03:35:55 +00:00
Bruce Momjian 59f6a57e59 Used modified version of indent that understands over 100 typedefs. 1997-09-08 21:56:23 +00:00
Bruce Momjian 319dbfa736 Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting. 1997-09-08 02:41:22 +00:00
Bruce Momjian 1ccd423235 Massive commit to run PGINDENT on all *.c and *.h files. 1997-09-07 05:04:48 +00:00
Marc G. Fournier 3df33180a1 add #include "postgres.h", as required by all .c files 1996-10-31 10:12:26 +00:00
Marc G. Fournier d31084e9d1 Postgres95 1.01 Distribution - Virgin Sources 1996-07-09 06:22:35 +00:00