Package net.snowflake.hivemetastoreconnector.util

Class StringUtil

java.lang.Object

net.snowflake.hivemetastoreconnector.util.StringUtil

public class StringUtil
extends Object

A utility class for formatting strings

Constructor Summary

Constructors

Constructor	Description
StringUtil()

Method Summary

Modifier and Type	Method	Description
static String	escapeSqlComment(String str)	Helper method to escape text in a SQL comment
static String	escapeSqlDataTypeSpec(String str)	Helper method to escape text that's in a data type spec
static String	escapeSqlIdentifier(String str)	Helper method to escape SQL text that's an identifier
static String	escapeSqlText(String str)	Helper method to escape SQL text
static String	relativizePartitionURI(org.apache.hadoop.hive.metastore.api.Table hiveTable, org.apache.hadoop.hive.metastore.api.Partition hivePartition)	Helper method for getting a relative path between a Hive table and Hive partition.
static Optional<String>	relativizeURI(String base, String extended)	Helper method for getting a relative path between two URIs.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtil

public StringUtil()

Method Detail

relativizePartitionURI

public static String relativizePartitionURI(org.apache.hadoop.hive.metastore.api.Table hiveTable,
                                            org.apache.hadoop.hive.metastore.api.Partition hivePartition)
                                     throws IllegalArgumentException

Helper method for getting a relative path between a Hive table and Hive partition. The partition location must be a subpath of the table location.

Parameters:

hiveTable - The table to get a relative path from.

hivePartition - The partition with a location relative to the table

Returns:

The relative path between the table and partition.

Throws:

IllegalArgumentException - Thrown if bad arguments were provided, e.g. if the partition is not a relative path of the table.

relativizeURI

public static Optional<String> relativizeURI(String base,
                                             String extended)

Helper method for getting a relative path between two URIs.

Parameters:

base - The URI that the output path will be relative to

extended - The URI that contains the relative path

Returns:

The relative path if possible.

escapeSqlText

public static String escapeSqlText(String str)

Helper method to escape SQL text

Parameters:

str - the string to escape

Returns:

the escaped string

escapeSqlIdentifier

public static String escapeSqlIdentifier(String str)

Helper method to escape SQL text that's an identifier

Parameters:

str - the string to escape

Returns:

the escaped string

escapeSqlComment

public static String escapeSqlComment(String str)

Helper method to escape text in a SQL comment

Parameters:

str - the string to escape

Returns:

the escaped string

escapeSqlDataTypeSpec

public static String escapeSqlDataTypeSpec(String str)

Helper method to escape text that's in a data type spec

Parameters:

str - the string to escape

Returns:

the escaped string