I just noticed when working on DDL deparsing that the typmodout routine
for intervals is broken. The code uses
if (precision != INTERVAL_FULL_PRECISION)
snprintf(res, 64, "%s(%d)", fieldstr, precision);
else
snprintf(res, 64, "%s", fieldstr);
which puts the parenthised number after the textual name; but the
grammar only takes it the other way around.
This has been wrong since commit 5725b9d9afc8 dated Dec 30 2006, which
introduced the whole notion of type-specific typmod output functions.
I don't understand how come nobody has noticed this in eight years.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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