Examples with Literal org.apache.spark.sql.connector.expressions.Literal used on opensource projects

Example 1 with Literal

use of org.apache.spark.sql.connector.expressions.Literal in project iceberg by apache.

the class Spark3Util method findWidth.

@SuppressWarnings("unchecked")
private static int findWidth(Transform transform) {
    for (Expression expr : transform.arguments()) {
        if (expr instanceof Literal) {
            if (((Literal) expr).dataType() instanceof IntegerType) {
                Literal<Integer> lit = (Literal<Integer>) expr;
                Preconditions.checkArgument(lit.value() > 0, "Unsupported width for transform: %s", transform.describe());
                return lit.value();
            } else if (((Literal) expr).dataType() instanceof LongType) {
                Literal<Long> lit = (Literal<Long>) expr;
                Preconditions.checkArgument(lit.value() > 0 && lit.value() < Integer.MAX_VALUE, "Unsupported width for transform: %s", transform.describe());
                if (lit.value() > Integer.MAX_VALUE) {
                    throw new IllegalArgumentException();
                }
                return lit.value().intValue();
            }
        }
    }
    throw new IllegalArgumentException("Cannot find width for transform: " + transform.describe());
}