Thread: pgsql: Assorted tab-completion improvements in psql.

Log Message:
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Assorted tab-completion improvements in psql.

Add missing completions for:
- ALTER SEQUENCE name OWNER TO
- ALTER TYPE name RENAME TO
- ALTER VIEW name ALTER COLUMN
- ALTER VIEW name OWNER TO
- ALTER VIEW name SET SCHEMA

Fix wrong completions for:
- ALTER FUNCTION/AGGREGATE name (arguments) ...
    "(arguments)" has been ignored.
- ALTER ... SET SCHEMA
    "SCHEMA" has been considered as a variable name.

Modified Files:
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    pgsql/src/bin/psql:
        tab-complete.c (r1.196 -> r1.197)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/tab-complete.c?r1=1.196&r2=1.197)