14.9 custom

Changes

• delete from table order by key limit num
• @ operator compatible with Oracle database link (register RemoveTempRelationsCallback)
• Add foreignserver of RangeVar to (copyfuncs,equalfuncs,outfuncs,readfuncs)
• Embed RewriteForeignRangeVar directly into RangeVarGetRelidExtended
• add tuple_to_array in pageinspect for tuple visualization
• KEEP(DENSE_RANK ORDER BY ...) OVER(PARTITION BY ...)
• when ENOENT then mkdir -p try fopen again
• solve unrecognized acl character across major versions of PG
• solve cannot accept a value of type pg_node_tree in foreign table
• treat value of column_name as literal rather than quoted identifiers when unquotable
• solve assertion-triggered core dump when citus portal->sourceText = NULL
• fix llvmjit_inline.cpp starts_with