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The RI fast path is the first caller to pass a cross-type pf_eq_oprs
operator to ri_HashCompareOp(). Its test for whether a cast can be
skipped, "typeid == righttype", failed when the FK column was a domain,
since typeid is then the domain OID rather than its base type. The code
concluded no usable conversion existed and threw "no conversion function
from <domain> to <type>" for every valid row.
Look through the domain to its base type. When pfeqop comes directly
from the index opfamily its right-hand input is getBaseType(fktype), so
getBaseType(typeid) == righttype is the correct test; the PK = PK
fallback (right-hand input opcintype) still fails that test and falls
through to the existing cast lookup unchanged.
Oversight in commit
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| backend | ||
| bin | ||
| common | ||
| fe_utils | ||
| include | ||
| interfaces | ||
| makefiles | ||
| pl | ||
| port | ||
| template | ||
| test | ||
| timezone | ||
| tools | ||
| tutorial | ||
| .gitignore | ||
| DEVELOPERS | ||
| Makefile | ||
| Makefile.global.in | ||
| Makefile.shlib | ||
| meson.build | ||
| nls-global.mk | ||