postgres

Commit Graph

Author	SHA1	Message	Date
Tom Lane	dadb14fa60	Hack parse_coerce so it won't try to constant-fold the dummy Const nodes introduced by make_subplan(). It'd be better if we used a different node type for subplan result placeholders, but for now...	26 years ago
Tom Lane	9da6d2c0e7	ExecSubPlan needs to be able to cope with RelabelType nodes atop the Const placeholder nodes for subplan result values.	26 years ago
Bruce Momjian	b212e7ad7b	Update TODO list.	26 years ago
Bruce Momjian	b508136d81	Update HISTORY file for 7.0.	26 years ago
Tatsuo Ishii	5ca8eb9216	Prepare for 7.0 release	26 years ago
Tom Lane	1afaa2557a	If we cannot get a real estimate for the selectivity of a range query, use a default value that's fairly small. We were generating a result of about 0.1, but I think 0.01 is probably better --- want to encourage use of an indexscan in this situation.	26 years ago
Tom Lane	cad764f349	Improve selectivity estimation involving string constants: pay attention to more than one character, and try to do the right thing in non-ASCII locales.	26 years ago
Tom Lane	1d5e7a6f46	Repair logic flaw in cost estimator: cost_nestloop() was estimating CPU costs using the inner path's parent->rows count as the number of tuples processed per inner scan iteration. This is wrong when we are using an inner indexscan with indexquals based on join clauses, because the rows count in a Relation node reflects the selectivity of the restriction clauses for that rel only. Upshot was that if join clause was very selective, we'd drastically overestimate the true cost of the join. Fix is to calculate correct output-rows estimate for an inner indexscan when the IndexPath node is created and save it in the path node. Change of path node doesn't require initdb, since path nodes don't appear in saved rules.	26 years ago
Bruce Momjian	d825e55c13	Update pg_dumpall again.	26 years ago
Bruce Momjian	233a52eaff	Fix pg_dumpall for new psql output.	26 years ago
Tom Lane	e1a1f22f13	Forgot that odbc had its own copies of config.sub/config.guess. Update those to latest Autoconf sources, too.	26 years ago
Thomas G. Lockhart	b688f8f034	Fix query for primary keys to reflect new DISTINCT ON () syntax. Reported by "Tibor Laszlo" <ltibor@mail.tiszanet.hu> and fix suggested by "Hiroshi Inoue" <Inoue@tpf.co.jp>.	26 years ago
Thomas G. Lockhart	dcdcada7e9	Add syntax for BIT() and BIT VARYING(), but no underlying implementation is available yet. Remove redundant call to xlateSqlType() in the character type handling code.	26 years ago
Thomas G. Lockhart	3c7ca8d459	Update test for new ORDER BY clause from Tom Lane.	26 years ago
Tom Lane	3ee8f7e207	Restructure planning code so that preprocessing of targetlist and quals to simplify constant expressions and expand SubLink nodes into SubPlans is done in a separate routine subquery_planner() that calls union_planner(). We formerly did most of this work in query_planner(), but that's the wrong place because it may never see the real targetlist. Splitting union_planner into two routines also allows us to avoid redundant work when union_planner is invoked recursively for UNION and inheritance cases. Upshot is that it is now possible to do something like select float8(count()) / (select count() from int4_tbl) from int4_tbl group by f1; which has never worked before.	26 years ago
Tom Lane	aafe86d995	Correct typo in error message.	26 years ago
Bruce Momjian	1d5df1547a	This patch corrects spelling, grammar and euphony for the psql reference page for 7.0: Oliver Elphick	26 years ago
Bruce Momjian	2216584bcf	Reverse out BYTEA type coersion.	26 years ago
Vadim B. Mikheev	df238b2c06	Turn XLOG off (do not create log file).	26 years ago
Tom Lane	3caa56fe5e	Emit 'this operator is deprecated' warnings for ':' and ';'.	26 years ago
Tom Lane	72b4086711	Convert float8 regress test to use exp() and ln() instead of ':' and ';' operators.	26 years ago
Bruce Momjian	7f116a6b83	Update for BYTEAOID.	26 years ago
Tom Lane	8fc97e8276	Sorry, I have read the misspelling 'coersion' one time too many.	26 years ago
Tom Lane	b9a990d8a8	Add exp(), ln(), and some other functions to numeric-functions table.	26 years ago
Tom Lane	339fe3c4cb	Add note that ':' and ';' operators are deprecated.	26 years ago
Bruce Momjian	0e1f485f5f	Add compatiblity information for bytea.	26 years ago
Hiroshi Inoue	fe8098ed0c	Add FORCE keyword to ColID	26 years ago
Tom Lane	966b5337e9	Make use of pre-existing regexp match capability to eliminate redundant entries in template selection rules. Also, change alpha-dec-osf pattern to cope with version info attached to the 'alpha' part.	26 years ago
Tom Lane	42ef928327	Autoconf run	26 years ago
Tom Lane	641c368ae9	Change configure.in to note that since we are using expr(1)'s regex match command, the entries in template/.similar can really be regular expressions. This isn't a new feature, just an observation of what the code already did.	26 years ago
Tom Lane	b178865891	cash_words_out function truncated its output by 1 character due to incorrect use of StrNCpy.	26 years ago
Tom Lane	58422dd0af	Several calls to StrNCpy incorrectly subtracted 1 from the length arg, leading to postmaster accepting args 1 shorter than it had room for.	26 years ago
Tom Lane	6a02746550	Change MemSet and StrNCpy to evaluate their arguments only once. Fix inadequate parenthesization in several other macros.	26 years ago
Tom Lane	fdd7f59820	Since PORTNAME is no longer used at the level of C code (it's only in Makefiles now), there's no reason for os2client to maintain its own copy of c.h just to change #define PORTNAME. Simplify Makefile accordingly. Get rid of horribly-out-of-date modified copy of c.h, which should never have been in the distribution to start with, since it's actually a derived file. Now it's not needed anyway.	26 years ago
Bruce Momjian	3e0321f6e9	Proper unpack de_DE.ISO-8859-1	26 years ago
Tom Lane	d6429e552d	Minor code rearrangement & doc improvement in eval_const_expressions().	26 years ago
Michael Meskes	cf6420dd94	* empty log message *	26 years ago
Tom Lane	a73b75615f	transformExpr() did the Wrong Thing if applied to a SubLink node that had already been transformed. This led to failure in examples like UPDATE table SET fld = (SELECT ...). Repair this, and revise the comments to explain that transformExpr has to be robust against this condition. Someday we might want to fix the callers so that transformExpr is never invoked on its own output, but that someday is not today.	26 years ago
Bruce Momjian	52d0265736	it seems in the beta2 release DBUSERID in pg_dumpall is the _name_ of the user, so it doesn't need to be translated from the number to the name. also ``create database ...'' does not take numbers for the encoding, so the ENCODING variable does not need to be translated to a number, but left as the text representation. a patch is supplied to make the changes i have found to work. i was successful dumping and reloading my database after these changes. - John M. Flinchbaugh	26 years ago
Tom Lane	cfa929f601	Fix incorrect implementation of log(x) for numeric, as well as incorrect descriptions of a couple of log-related functions. I will not force an initdb for this, but log() on a numeric won't work until you do one...	26 years ago
Tom Lane	440b0fea3d	Another go-round with resolution of ambiguous functions and operators. In function parsing, try for an actual function of the given name and input types before trying to interpret the function call as a type coercion request, rather than after. Before, a function that had the same name as a type and operated on a binary-compatible type wouldn't get invoked. Also, cross-pollinate between func_select_candidates and oper_select_candidates to ensure that they use as nearly the same resolution rules as possible. A few other minor code cleanups too.	26 years ago
Tom Lane	f11d253e25	In can_coerce_type, verify that a possible type-coercion function actually returns the type it is named for.	26 years ago
Peter Eisentraut	7d392f257b	Fixed psql -c "\slashcmd"	26 years ago
Bruce Momjian	f4d452c13c	Update bytea type description	26 years ago
Tom Lane	d63e05a638	Improve error message wording in unary_op_error() --- suggest that problem could be lack of parentheses. This addresses cases like X UserOp UserOp Y, which will be parsed as (X UserOp) UserOp Y, whereas what likely was wanted was X UserOp (UserOp Y).	26 years ago
Tom Lane	f91dd7880f	Clean up minor compiler warnings.	26 years ago
Tom Lane	f945f46193	Modify lexing of multi-char operators per pghackers discussion around 16-Mar-00: trailing + or - is not part of the operator unless the operator also contains characters not present in SQL92-defined operators. This solves the 'X=-Y' problem without unduly constraining users' choice of operator names --- in particular, no existing Postgres operator names become invalid. Also, remove processing of // comments, as agreed in the same thread.	26 years ago
Tom Lane	2b23e86447	Repair typos: <xb> EOF rule should be <xh>, likewise <xq> to <xd>	26 years ago
Tom Lane	15115344f0	Just noticed that the grammar actually has no provision for '+' as a prefix operator :-(. Bad enough that we have no implementation of unary plus, but at least with this fix the grammar will take it.	26 years ago
Bruce Momjian	caa6fc1ba2	Add translation of timespan to interval.	26 years ago

1 2 3 4 5 ...

6699 Commits (dadb14fa60f2cb5c5acbd10faaf72aacc3cef56d) All Branches Search

6699 Commits (dadb14fa60f2cb5c5acbd10faaf72aacc3cef56d)

All Branches