Examples with ParameterExpression org.apache.calcite.linq4j.tree.ParameterExpression used on opensource projects

Example 71 with ParameterExpression

use of org.apache.calcite.linq4j.tree.ParameterExpression in project calcite by apache.

the class OptimizerTest method testOrElseXX.

@Test
void testOrElseXX() {
    // x || x
    ParameterExpression x = Expressions.parameter(boolean.class, "x");
    assertEquals("{\n  return x;\n}\n", optimize(Expressions.orElse(x, x)));
}

Example 72 with ParameterExpression

use of org.apache.calcite.linq4j.tree.ParameterExpression in project calcite by apache.

the class OptimizerTest method testOptimizeTernaryAeqBBA.

@Test
void testOptimizeTernaryAeqBBA() {
    // a == b ? b : a
    ParameterExpression a = Expressions.parameter(boolean.class, "a");
    ParameterExpression b = Expressions.parameter(boolean.class, "b");
    assertEquals("{\n  return a;\n}\n", optimize(Expressions.condition(Expressions.equal(a, b), b, a)));
}

Example 73 with ParameterExpression

use of org.apache.calcite.linq4j.tree.ParameterExpression in project calcite by apache.

the class OptimizerTest method testNotEqualObjectNull.

@Test
void testNotEqualObjectNull() {
    // (Integer) x == null
    ParameterExpression x = Expressions.parameter(Integer.class, "x");
    assertEquals("{\n  return x != null;\n}\n", optimize(Expressions.notEqual(x, NULL)));
}

Example 74 with ParameterExpression

use of org.apache.calcite.linq4j.tree.ParameterExpression in project calcite by apache.

the class OptimizerTest method testAndAlsoXX.

@Test
void testAndAlsoXX() {
    // x && x
    ParameterExpression x = Expressions.parameter(boolean.class, "x");
    assertEquals("{\n  return x;\n}\n", optimize(Expressions.andAlso(x, x)));
}

Example 75 with ParameterExpression

use of org.apache.calcite.linq4j.tree.ParameterExpression in project Mycat2 by MyCATApache.

the class MycatTableScan method implement.

@Override
public Result implement(MycatEnumerableRelImplementor implementor, Prefer pref) {
    final BlockBuilder builder = new BlockBuilder();
    final PhysType physType = PhysTypeImpl.of(implementor.getTypeFactory(), getRowType(), JavaRowFormat.ARRAY);
    ParameterExpression root = implementor.getRootExpression();
    TableScan tableScan = (TableScan) this.relNode;
    MycatLogicTable mycatLogicTable = (MycatLogicTable) tableScan.getTable().unwrap(AbstractMycatTable.class);
    TableHandler table = mycatLogicTable.getTable();
    Method getObservable = Types.lookupMethod(NewMycatDataContext.class, "getTableObservable", String.class, String.class);
    builder.add(Expressions.call(root, getObservable, Expressions.constant(table.getSchemaName()), Expressions.constant(table.getTableName())));
    return implementor.result(physType, builder.toBlock());
}