> On Wed, 23 Jun 2004, Dennis Gearon wrote: > > > This is what has to be eventually done:(as sybase, and probably others do it) > > > > http://www.ianywhere.com/whitepapers/unicode.html > > Actually, what probably has to be eventually done is what's in the SQL > spec. > > Which is AFAICS basically: > Allow multiple encodings > Allow multiple character sets (within an encoding)
Could Please explain more details for above. In my understanding a character set can have multiple encodings but... -- Tatsuo Ishii > Allow one or more collations per character set > Allow columns to specify character set and collation > Allow literals in multiple character sets > Allow translations and encoding conversions (as supported) > Allow explicit COLLATE clauses to control ordering and comparisons. > Handle identifiers in multiple character sets > > plus some misc things like allowing sets that control the default > character set for literals for this session and such. > > > ---------------------------(end of broadcast)--------------------------- > TIP 9: the planner will ignore your desire to choose an index scan if your > joining column's datatypes do not match > ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html