Examples with TableRelation io.crate.analyze.relations.TableRelation used on opensource projects

Example 6 with TableRelation

use of io.crate.analyze.relations.TableRelation in project crate by crate.

the class InternalCountOperationTest method testCount.

@Test
public void testCount() throws Exception {
    execute("create table t (name string) clustered into 1 shards with (number_of_replicas = 0)");
    ensureYellow();
    execute("insert into t (name) values ('Marvin'), ('Arthur'), ('Trillian')");
    execute("refresh table t");
    CountOperation countOperation = internalCluster().getDataNodeInstance(CountOperation.class);
    assertThat(countOperation.count("t", 0, WhereClause.MATCH_ALL), is(3L));
    Schemas schemas = internalCluster().getInstance(Schemas.class);
    TableInfo tableInfo = schemas.getTableInfo(new TableIdent(null, "t"));
    TableRelation tableRelation = new TableRelation(tableInfo);
    Map<QualifiedName, AnalyzedRelation> tableSources = ImmutableMap.<QualifiedName, AnalyzedRelation>of(new QualifiedName(tableInfo.ident().name()), tableRelation);
    SqlExpressions sqlExpressions = new SqlExpressions(tableSources, tableRelation);
    WhereClause whereClause = new WhereClause(sqlExpressions.normalize(sqlExpressions.asSymbol("name = 'Marvin'")));
    assertThat(countOperation.count("t", 0, whereClause), is(1L));
}