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path: root/src/backend/utils/adt/formatting.c
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* Add 'day' field to INTERVAL so 1 day interval can be distinguished fromBruce Momjian2005-07-20
| | | | | | | | | | | | | | | | 24 hours. This is very helpful for daylight savings time: select '2005-05-03 00:00:00 EST'::timestamp with time zone + '24 hours'; ?column? ---------------------- 2005-05-04 01:00:00-04 select '2005-05-03 00:00:00 EST'::timestamp with time zone + '1 day'; ?column? ---------------------- 2005-05-04 01:00:00-04 Michael Glaesemann
* Code cleanup: remove 3 duplicate static function declarations.Neil Conway2005-06-24
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* More trivial dead code removal: in int_to_roman(), checking for "num == -1"Neil Conway2005-06-22
| | | | | | | | is redundant after a check has already been made for "num < 0". The "set" variable can also be removed, as it is now no longer used. Per checking with Karel, this is the right fix. Per Coverity static analysis performed by EnterpriseDB.
* This patch makes it possible to use the full set of timezones when doingBruce Momjian2005-06-15
| | | | | | | | | | | | | | | | | | "AT TIME ZONE", and not just the shorlist previously available. For example: SELECT CURRENT_TIMESTAMP AT TIME ZONE 'Europe/London'; works fine now. It will also obey whatever DST rules were in effect at just that date, which the previous implementation did not. It also supports the AT TIME ZONE on the timetz datatype. The whole handling of DST is a bit bogus there, so I chose to make it use whatever DST rules are in effect at the time of executig the query. not sure if anybody is actuallyi *using* timetz though, it seems pretty unpredictable just because of this... Magnus Hagander
* Add parentheses to macros when args are used in computations. WithoutBruce Momjian2005-05-25
| | | | them, the executation behavior could be unexpected.
* Prevent to_char(interval) from dumping core on month-related formatsTom Lane2005-03-26
| | | | | | when a zero-month interval is given. Per discussion with Karel. Also, some desultory const-labeling of constant tables. More could be done along that line.
* Fix to_date to behave reasonably when CC and YY fields are both used.Tom Lane2005-03-25
| | | | Karel Zak
* Remove unportable assumption that it's okay to use the target bufferTom Lane2005-01-13
| | | | | of an sprintf() as a source string. Demonstrably does not work with recent gcc and/or glibc on some platforms.
* Update copyrights that were missed.Bruce Momjian2005-01-01
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* Fix unportable isdigit() call --- must cast arg to unsigned char.Tom Lane2004-11-20
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* Update comment to point to proper file.Bruce Momjian2004-11-01
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* Fix to_number for the case of a trailing S.Tom Lane2004-10-28
| | | | Karel Zak
* More minor cosmetic improvements:Neil Conway2004-10-13
| | | | | | | | | | - remove another senseless "extern" keyword that was applied to a function definition - change a foo more function signatures from "some_type foo()" to "some_type foo(void)" - rewrite another K&R style function definition - make the type of the "action" function pointer in the KeyWord struct in src/backend/utils/adt/formatting.c more precise
* Another pgindent run with lib typedefs added.Bruce Momjian2004-08-30
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* Pgindent run for 8.0.Bruce Momjian2004-08-29
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* Update copyright to 2004.Bruce Momjian2004-08-29
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* Integrate src/timezone library for all platforms. There is more we canTom Lane2004-05-21
| | | | | | and should do now that we control our own destiny for timezone handling, but this commit gets the bulk of the picayune diffs in place. Magnus Hagander and Tom Lane.
* Solve the 'Turkish problem' with undesirable locale behavior for caseTom Lane2004-05-07
| | | | | | | | | | | | | conversion of basic ASCII letters. Remove all uses of strcasecmp and strncasecmp in favor of new functions pg_strcasecmp and pg_strncasecmp; remove most but not all direct uses of toupper and tolower in favor of pg_toupper and pg_tolower. These functions use the same notions of case folding already developed for identifier case conversion. I left the straight locale-based folding in place for situations where we are just manipulating user data and not trying to match it to built-in strings --- for example, the SQL upper() function is still locale dependent. Perhaps this will prove not to be what's wanted, but at the moment we can initdb and pass regression tests in Turkish locale.
* Fix to_char for 1 BC. Previously it returned 1 AD.Bruce Momjian2004-03-30
| | | | | | | Fix to_char(year) for BC dates. Previously it returned one less than the current year. Add documentation mentioning that there is no 0 AD.
* More janitorial work: remove the explicit casting of NULL literals to aNeil Conway2004-01-07
| | | | | | | | pointer type when it is not necessary to do so. For future reference, casting NULL to a pointer type is only necessary when (a) invoking a function AND either (b) the function has no prototype OR (c) the function is a varargs function.
* > > I have no idea if this in Oracle or not. But it's something IBruce Momjian2003-12-25
| | | | | | | | | | | | | | | > > needed, and other people in the past asked about it too. > > It is in Oracle, but you aren't exactly on the spot. It should be > > IYYY - 4 digits ('2003') > IYY - 3 digits ('003') > IY - 2 digits ('03') > I - 1 digit ('3') Here is an updated patch that does that. Kurt Roeckx
* $Header: -> $PostgreSQL Changes ...PostgreSQL Daemon2003-11-29
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* More message editing, some suggested by Alvaro HerreraPeter Eisentraut2003-09-29
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* Repair problems with to_char() overrunning its input string.Tom Lane2003-09-03
| | | | From Karel Zak.
* Refactor code so that to_date() does not call to_timestamp() and thenTom Lane2003-08-25
| | | | | | | perform a timestamp-to-date coercion. Instead both routines share a subroutine that delivers the parsing result as a struct tm. This avoids problems with timezone dependency of to_date's result, and should be at least marginally faster too.
* Fix some copyright notices that weren't updated. Improve copyright toolTom Lane2003-08-04
| | | | so it won't miss 'em again.
* pgindent run.Bruce Momjian2003-08-04
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* Error message editing in utils/adt. Again thanks to Joe Conway for doingTom Lane2003-07-27
| | | | the bulk of the heavy lifting ...
* Fix platform-dependent failure introduced by recent to_char changesTom Lane2003-04-02
| | | | (ye good olde uninitialized-local-variable).
* Fix syntax error in to_char fixes --- was defining variable in main codeBruce Momjian2003-03-27
| | | | block, ala C++.
* to_char fixes, Karel ZakBruce Momjian2003-03-27
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* Back out to_char fixes until regression tests are fixed.Bruce Momjian2003-03-22
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* Peter found bug in the to_char() routine for PL/MI options. ThisBruce Momjian2003-03-20
| | | | | | | | | | | | | | | | | | | patch fix it -- but this patch doesn't contains tests or docs fixes. I will send it later. Fixed outputs: select to_char(x, '9999.999') as x, to_char(x, 'S9999.999') as s, to_char(x, 'SG9999.999') as sg, to_char(x, 'MI9999.999') as mi, to_char(x, 'PL9999.999') as pl, to_char(x, 'PLMI9999.999') as plmi, to_char(x, '9999.999SG') as sg2, to_char(x, '9999.999PL') as pl2, to_char(x, '9999.999MI') as mi2 from num; Karel Zak
* This patch fixes a bunch of spelling mistakes in comments throughout theTom Lane2003-03-10
| | | | | | PostgreSQL source code. Neil Conway
* This patch removes a bunch of superfluous #include directives: ifBruce Momjian2002-11-08
| | | | | | | | postgres.h or c.h includes a system header (such as stdio.h or stdlib.h), there's no need to specifically include it in any of the .c files in the backend. Neil Conway
* The patch fix bug described in TODO:Bruce Momjian2002-09-20
| | | | | | * to_char(0,'FM999.99') returns a period, to_char(1,'FM999.99') does not Karel Zak
* This patch cleans up some of the code in src/util/adt/formatting.c,Bruce Momjian2002-09-20
| | | | | | | fixes a few minor bugs (typos, potential buffer overruns, etc.), and fixes some spelling/grammar mistakes. Neil Conway
* pgindent run.Bruce Momjian2002-09-04
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* Support alternate storage scheme of 64-bit integer for date/time types.Thomas G. Lockhart2002-04-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use "--enable-integer-datetimes" in configuration to use this rather than the original float8 storage. I would recommend the integer-based storage for any platform on which it is available. We perhaps should make this the default for the production release. Change timezone(timestamptz) results to return timestamp rather than a character string. Formerly, we didn't have a way to represent timestamps with an explicit time zone other than freezing the info into a string. Now, we can reasonably omit the explicit time zone from the result and return a timestamp with values appropriate for the specified time zone. Much cleaner, and if you need the time zone in the result you can put it into a character string pretty easily anyway. Allow fractional seconds in date/time types even for dates prior to 1BC. Limit timestamp data types to 6 decimal places of precision. Just right for a micro-second storage of int8 date/time types, and reduces the number of places ad-hoc rounding was occuring for the float8-based types. Use lookup tables for precision/rounding calculations for timestamp and interval types. Formerly used pow() to calculate the desired value but with a more limited range there is no reason to not type in a lookup table. Should be *much* better performance, though formerly there were some optimizations to help minimize the number of times pow() was called. Define a HAVE_INT64_TIMESTAMP variable. Based on the configure option "--enable-integer-datetimes" and the existing internal INT64_IS_BUSTED. Add explicit date/interval operators and functions for addition and subtraction. Formerly relied on implicit type promotion from date to timestamp with time zone. Change timezone conversion functions for the timetz type from "timetz()" to "timezone()". This is consistant with other time zone coersion functions for other types. Bump the catalog version to 200204201. Fix up regression tests to reflect changes in fractional seconds representation for date/times in BC eras. All regression tests pass on my Linux box.
* Locale support is on by default. The choice of locale is done in initdbPeter Eisentraut2002-04-03
| | | | and/or with GUC variables.
* Change made to elog:Bruce Momjian2002-03-06
| | | | | | | | | | | | | | | | | | | o Change all current CVS messages of NOTICE to WARNING. We were going to do this just before 7.3 beta but it has to be done now, as you will see below. o Change current INFO messages that should be controlled by client_min_messages to NOTICE. o Force remaining INFO messages, like from EXPLAIN, VACUUM VERBOSE, etc. to always go to the client. o Remove INFO from the client_min_messages options and add NOTICE. Seems we do need three non-ERROR elog levels to handle the various behaviors we need for these messages. Regression passed.
* Remove MAX/MIN() macros, use c.h Max/Min() instead.Bruce Momjian2002-02-18
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* Have to_date() call timestamptz_date() per Karel's email instructions.Thomas G. Lockhart2002-01-04
| | | | | | | Fixes time zone problems introduced by Thomas' implementation of TIMESTAMP WITHOUT TIME ZONE which caused the behavior of the previously appropriate routine, timestamp_date(), to change for the worse in this context.
* Fix to_timestamp/to_date so that zero year input for Y, YY, or YYYTom Lane2002-01-02
| | | | | formats will be taken as 2000, not year zero. Per bug report from Aasmund Midttun Godal. Fix from Karel Zak.
* Repair case-conversion error in to_date's handling of roman numerals.Tom Lane2001-12-10
| | | | From Manuel Sugawara, approved by Karel Zak.
* Fix for usage of spirntf in more portable way.Tatsuo Ishii2001-12-05
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* Grammatical and spelling fixes.Tom Lane2001-11-19
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* New pgindent run with fixes suggested by Tom. Patch manually reviewed,Bruce Momjian2001-11-05
| | | | initdb/regression tests pass.
* Another pgindent run. Fixes enum indenting, and improves #endifBruce Momjian2001-10-28
| | | | spacing. Also adds space for one-line comments.
* pgindent run on all C files. Java run to follow. initdb/regressionBruce Momjian2001-10-25
| | | | tests pass.
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