7aa81c61ec
f193883 has been incorrectly setting up the precision used in the timestamp compilations returned by the following functions: - LOCALTIME - LOCALTIMESTAMP - CURRENT_TIME - CURRENT_TIMESTAMP Specifying an out-of-range precision for CURRENT_TIMESTAMP and LOCALTIMESTAMP was raising a WARNING without adjusting the precision, leading to a subsequent error. LOCALTIME and CURRENT_TIME raised a WARNING without an error, still the precision given to the internal routines was not correct, so let's be clean. Ian has reported the problems in timestamp.c, while I have noticed the ones in date.c. Regression tests are added for all of them with precisions high enough to provide coverage for the warnings, something that went missing up to this commit. Author: Ian Lawrence Barwick, Michael Paquier Discussion: https://postgr.es/m/CAB8KJ=jQEnn9sYG+N752spt68wMrhmT-ocHCh4oeNmHF82QMWA@mail.gmail.com
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