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scylladb/cql3/statements
Benny Halevy 23fecc7e5e cql3: allow adding or dropping multiple columns in ALTER TABLE statement
Fixes #2907
Fixes #3691

See Cassandra reference: https://apache.googlesource.com/cassandra/+/cassandra-3.6/src/antlr/Parser.g
/**
 * ALTER COLUMN FAMILY <CF> ALTER <column> TYPE <newtype>;
 * ALTER COLUMN FAMILY <CF> ADD <column> <newtype>; | ALTER COLUMN FAMILY <CF> ADD (<column> <newtype>,<column1> <newtype1>..... <column n> <newtype n>)
 * ALTER COLUMN FAMILY <CF> DROP <column>; | ALTER COLUMN FAMILY <CF> DROP ( <column>,<column1>.....<column n>)
 * ALTER COLUMN FAMILY <CF> WITH <property> = <value>;
 * ALTER COLUMN FAMILY <CF> RENAME <column> TO <column>;
 */
alterTableStatement returns [shared_ptr<alter_table_statement> expr]
    @init {
        alter_table_statement::type type;
        auto props = make_shared<cql3::statements::cf_prop_defs>();
        std::vector<alter_table_statement::column_change> column_changes;
        std::vector<std::pair<shared_ptr<cql3::column_identifier::raw>, shared_ptr<cql3::column_identifier::raw>>> renames;
    }
    : K_ALTER K_COLUMNFAMILY cf=columnFamilyName
          ( K_ALTER id=cident K_TYPE v=comparatorType { type = alter_table_statement::type::alter; column_changes.emplace_back(id, v); }
          | K_ADD                                     { type = alter_table_statement::type::add; }
            (         id1=cident  v1=comparatorType  b1=cfisStatic { column_changes.emplace_back(id1, v1, b1); }
            | '('     id1=cident  v1=comparatorType  b1=cfisStatic { column_changes.emplace_back(id1, v1, b1); }
                 (',' idn=cident  vn=comparatorType  bn=cfisStatic { column_changes.emplace_back(idn, vn, bn); } )* ')'
            )

          | K_DROP  id=cident                         { type = alter_table_statement::type::drop; column_changes.emplace_back(id); }
          | K_WITH  properties[props]                 { type = alter_table_statement::type::opts; }
          | K_RENAME                                  { type = alter_table_statement::type::rename; }
               id1=cident K_TO toId1=cident { renames.emplace_back(id1, toId1); }
               ( K_AND idn=cident K_TO toIdn=cident { renames.emplace_back(idn, toIdn); } )*
          )
    {
        $expr = ::make_shared<alter_table_statement>(std::move(cf), type, std::move(column_changes), std::move(props), std::move(renames));
    }
    ;

Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
2018-10-07 19:14:26 +03:00
..
2018-07-05 10:50:43 +02:00
2016-04-08 08:12:47 +03:00
2018-03-28 10:49:07 +03:00
2018-06-25 09:21:47 +01:00