Class WildcardUtil

java.lang.Object

com.databricks.jdbc.common.util.WildcardUtil

public class WildcardUtil
extends Object

This class consists of utility functions with respect to wildcard strings that are required in building SQL queries

Constructor Summary

Constructors

Constructor	Description
WildcardUtil()

Method Summary

Modifier and Type	Method	Description
static boolean	isMatchAnything(String s)	This function checks if the input string is a "match anything" string i.e
static boolean	isNullOrEmpty(String s)
static boolean	isNullOrWildcard(String s)
static boolean	isWildcard(String s)	This function checks if the input string is a wildcard string
static String	jdbcPatternToHive(String pattern)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

WildcardUtil

public WildcardUtil()

Method Details

isMatchAnything

public static boolean isMatchAnything(String s)

This function checks if the input string is a "match anything" string i.e. "*"

Parameters:

s - the input string

Returns:

true if the input string is "*"

isNullOrEmpty

public static boolean isNullOrEmpty(String s)

isNullOrWildcard

public static boolean isNullOrWildcard(String s)

isWildcard

public static boolean isWildcard(String s)

This function checks if the input string is a wildcard string

Parameters:

s - the input string

Returns:

true if the input string is wildcard

jdbcPatternToHive

public static String jdbcPatternToHive(String pattern)