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The explanation of interval's behavior in datatype.sgml wasn't wrong exactly, but it was unclear, partly because it buried the lede about there being three internal fields. Rearrange and wordsmith for more clarity. The discussion of extract() claimed that input of type date was handled by casting, but actually there's been a separate SQL function taking date for a very long time. Also, it was mostly silent about how interval inputs are handled, but there are several field types for which it seems useful to be specific. Improve discussion of justify_days()/justify_hours() too. In passing, remove vertical space in some groups of examples, as there was little consistency about whether to have such space or not. (I only did this within the datetime functions section; there are some related inconsistencies elsewhere.) Per discussion of bug #18348 from Michael Bondarenko. There may be some code changes coming out of that discussion too, but we likely won't back-patch them. This docs-only patch seems useful to back-patch, though I only carried it back to v13 because it didn't apply easily in v12. Discussion: https://postgr.es/m/18348-b097a3587dfde8a4@postgresql.org |
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aclocal.m4 | ||
configure | ||
configure.ac | ||
COPYRIGHT | ||
GNUmakefile.in | ||
HISTORY | ||
Makefile | ||
meson_options.txt | ||
meson.build | ||
README |
PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. Copyright and license information can be found in the file COPYRIGHT. General documentation about this version of PostgreSQL can be found at: https://www.postgresql.org/docs/devel/ In particular, information about building PostgreSQL from the source code can be found at: https://www.postgresql.org/docs/devel/installation.html The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.