Vladimir, I am not sure I understand your point. The value type name should be the table name, no?
On Thu, Feb 16, 2017 at 12:13 AM, Vladimir Ozerov <voze...@gridgain.com> wrote: > Dima, > > At this point we require the following additional data which is outside of > standard SQL: > - Key type > - Value type > - Set of key columns > > I do not know yet how we will define these values. At the very least we can > calculate them automatically in some cases. For "keyFieldName" and > "valFieldName" things are easier, as we can always derive them from table > definition. > > Example 1 - primitives: > > CREATE TABLE ( > *pk_id* BIGINT PRIMARY KEY, > *val* BIGINT > ) > > keyFieldName = "*pk_id*", valFieldName = "*val*" > > Example 2 - composites: > > CREATE TABLE ( > *pk_id* BIGINT PRIMARY KEY, > val1 BIGINT, > val2 VARCHAR > ) > > keyFieldName = "*pk_id*", valFieldName = null (because value is complex and > is composed of two attributes). > > Vladimir. > > > On Wed, Feb 15, 2017 at 11:42 PM, Dmitriy Setrakyan <dsetrak...@apache.org > > > wrote: > > > On Wed, Feb 15, 2017 at 4:28 AM, Vladimir Ozerov <voze...@gridgain.com> > > wrote: > > > > > Ok, let's put aside current fields configuration, I'll create separate > > > thread for it. As far as _KEY and _VAL, proposed change is exactly > about > > > mappings: > > > > > > class QueryEntity { > > > ... > > > String keyFieldName; > > > String valFieldName; > > > ... > > > } > > > > > > The key thing is that we will not require users to be aware of our > system > > > columns. Normally user should not bother about existence of hidden _KEY > > and > > > _VAL columns. Instead, we just allow them to optionally reference the > > whole > > > key and/or val through predefined name. > > > > > > > > Vladimir, how will it work from the DDL perspective. Let's say whenever > > user wants to create a table in Ignite? > > >