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overlength quoted identifiers. Death and destruction ensue...
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That means you can now set your options in either or all of $PGDATA/configuration,
some postmaster option (--enable-fsync=off), or set a SET command. The list of
options is in backend/utils/misc/guc.c, documentation will be written post haste.
pg_options is gone, so is that pq_geqo config file. Also removed were backend -K,
-Q, and -T options (no longer applicable, although -d0 does the same as -Q).
Added to configure an --enable-syslog option.
changed all callers from TPRINTF to elog(DEBUG)
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fmgr_faddr() in favor of new-style calls. Lots of cleanup of
sloppy casts to use XXXGetDatum and DatumGetXXX ...
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the src/include tree, so that -I backend is no longer necessary anywhere.
Also, clean up some bit rot in contrib tree.
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key call sites are changed, but most called functions are still oldstyle.
An exception is that the PL managers are updated (so, for example, NULL
handling now behaves as expected in plperl and plpgsql functions).
NOTE initdb is forced due to added column in pg_proc.
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necessary to call isatty() for each and every received query. That's
one less kernel call per query cycle ...
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to an undecorated relation name (cf. example from Ed Loehr, 5/25/00).
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the oper field should be a valid Node structure so it can be dumped by
outfuncs.c without risk of coredump. (We had been using a raw pointer
to character string, which surely is NOT a valid Node.) This doesn't
cause any backwards compatibility problems for stored rules, since
raw unanalyzed parsetrees are never stored.
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Make it behave correctly when there are more than two tables being
joined, also. Update regression test expected outputs.
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than not knowing what they are at all. Perhaps they should have their own
type category? Hard to say. In the meantime, doing it this way allows
SELECT 'unknown' || 'unknown' to continue being resolved as textcat,
instead of spitting out an ambiguous-operator error.
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Add a random number generator and seed setter (random(), SET SEED)
Fix up the interval*float8 math to carry partial months
into the time field.
Add float8*interval so we have symmetry in the available math.
Fix the parser and define.c to accept SQL92 types as field arguments.
Fix the parser to accept SQL92 types for CREATE TYPE, etc. This is
necessary to allow...
Bit/varbit support in contrib/bit cleaned up to compile and load
cleanly. Still needs some work before final release.
Implement the "SOME" keyword as a synonym for "ANY" per SQL92.
Implement ascii(text), ichar(int4), repeat(text,int4) to help
support the ODBC driver.
Enable the TRUNCATE() function mapping in the ODBC driver.
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from gcc. Which wasn't actually a code bug, but I don't like warnings.
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single integers, and lists of names, without surrounding them with quotes.
Remove all tokens which are defined as operators from ColID and ColLabel
to avoid precedence confusion. Thanks to Tom Lane for catching this.
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Move CREATE FUNCTION/WITH clause to end of statement to get around
shift/reduce conflicts with type names containing "WITH".
Add lots of tokens as allowed ColId's and/or ColLabel's,
so this should be a complete set for the v7.0 release.
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keys lists of Constraint nodes. This eliminates a type pun that would
probably have caused trouble someday, and eliminates circular references
in the parsetree that were causing trouble now.
Also, change parser's uses of strcasecmp() to strcmp(). Since scan.l
has downcased any unquoted identifier, it is never correct to check an
identifier with strcasecmp() in the parser. For example,
CREATE TABLE FOO (f1 int, UNIQUE("F1"));
was accepted, which is wrong, and xlateSqlFunc did more than it should:
select datetime();
ERROR: Function 'timestamp()' does not exist
(good)
select "DateTime"();
ERROR: Function 'timestamp()' does not exist
(bad)
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outside WHERE clause. Fix a couple of places that didn't handle uplevel
refs cleanly.
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nodes introduced by make_subplan(). It'd be better if we used a
different node type for subplan result placeholders, but for now...
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is available yet.
Remove redundant call to xlateSqlType() in the character
type handling code.
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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.
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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.
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actually returns the type it is named for.
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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).
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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.
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prefix operator :-(. Bad enough that we have no implementation of
unary plus, but at least with this fix the grammar will take it.
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a config.h #define, and the runtime value can be controlled via SET.
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running gcc and HP's cc with warnings cranked way up. Signed vs unsigned
comparisons, routines declared static and then defined not-static,
that kind of thing. Tedious, but perhaps useful...
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actually a type-coercion problem. If you have a function defined on
class A, and class B inherits from A, then the function ought to work
on class B as well --- but coerce_type didn't know that. Now it does.
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after trying to resolve the item as an input-column name. This allows us
to be compliant with the SQL92 spec for queries that fall within the spec,
while still accepting the same out-of-spec queries as 6.5 did. You'll only
lose if there is an output column name that is the same as an input
column name, but doesn't refer to the same value. 7.0 will interpret
such a GROUP BY spec differently than 6.5 did. No way around that, because
6.5 was clearly not spec compliant.
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the pain of updating apps to 7.0. Should we also translate some of
the 'datetime_foo' functions that exist in 6.* ?
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Implement TIME WITH TIME ZONE type (timetz internal type).
Remap length() for character strings to CHAR_LENGTH() for SQL92
and to remove the ambiguity with geometric length() functions.
Keep length() for character strings for backward compatibility.
Shrink stored views by removing internal column name list from visible rte.
Implement min(), max() for time and timetz data types.
Implement conversion of TIME to INTERVAL.
Implement abs(), mod(), fac() for the int8 data type.
Rename some math functions to generic names:
round(), sqrt(), cbrt(), pow(), etc.
Rename NUMERIC power() function to pow().
Fix int2 factorial to calculate result in int4.
Enhance the Oracle compatibility function translate() to work with string
arguments (from Edwin Ramirez).
Modify pg_proc system table to remove OID holes.
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YY_READ_BUF_SIZE, which turns out to have nothing to do with buffer size.
It's just a totally arbitrary upper limit on how much data myinput() is
asked for at one time.
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set of SQL-standard type names that we accept.
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gone, replaced by plain a_expr. The few places where we needed to
distinguish NULL from a_expr are now handled by tests inside the actions
rather than by separate productions. This allows us to accept queries
like 'SELECT 1 + NULL' without requiring parentheses around the NULL.
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category STRING. Also, if UNKNOWNOID is passed in, return UNKNOWN_TYPE
not USER_TYPE.
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coercion code. I'm beginning to wonder why we have separate candidate
selection routines for functions, operators, and aggregates --- shouldn't
this code all be unified? But meanwhile,
SELECT 'a' LIKE 'a';
finally works; the code for dealing with unknown input types for operators
was pretty busted.
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per pghackers discussion around 20-Feb. Also add specific error messages
for unterminated comments and unterminated quoted strings. These things
are nonissues for input coming from psql, but they do matter for input
coming from other front ends.
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They are #ifdef'd.
Add -D_DROP_COLUMN_HACK__ compile option
to evaluate it.
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parameters.
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as independent clauses in the grammar. analyze.c takes care of putting
the data where it belongs and complaining about invalid combinations.
Also, make TEMP (and TEMPORARY) non-reserved words.
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integrity triggers to after statement allways. Ignores
deferred state now, closer to SQL3 semantics.
Jan
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correctly (the lztext value will be promoted to text automatically).
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failures. Fix some outright bugs too, including a reference to
uninitialized memory that would cause failures like this one:
select -('1234567890.1234567'::text);
ERROR: Unable to locate type oid 2139062143 in catalog
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such as bpchar(char_expression, N), and pull out the attrtypmod that
the function is coercing to. This allows correct deduction of the
column type in examples such as
CREATE VIEW v AS SELECT f1::char(8) FROM tbl;
Formerly we labeled v's column as char-of-unknown-length not char(8).
Also, this change causes the parser not to insert a redundant length
coercion function if the user has explicitly casted an INSERT or UPDATE
expression to the right length.
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