| Modifier and Type | Field and Description |
|---|---|
static InnerJoin |
INNER
INNER JOIN
|
static String |
JOIN_SUFFIX_A |
static String |
JOIN_SUFFIX_B |
static LeftJoin |
LEFT
LEFT JOIN
|
static OuterJoin |
OUTER
INNER JOIN
|
static RightJoin |
RIGHT
RIGHT JOIN
|
| Constructor and Description |
|---|
DefaultJoinUtil() |
| Modifier and Type | Method and Description |
|---|---|
JoinedDataFrame |
innerJoin(DataFrame dfA,
DataFrame dfB,
JoinColumn... joinColumns)
Joins two data frames using the INNER JOIN method and the default header name suffixes
|
JoinedDataFrame |
innerJoin(DataFrame dfA,
DataFrame dfB,
String joinSuffixA,
String joinSuffixB,
JoinColumn... joinColumns)
Joins two data frames using the INNER JOIN method and specified suffixes for the column header names
|
JoinedDataFrame |
leftJoin(DataFrame dfA,
DataFrame dfB,
JoinColumn... joinColumns)
Joins two data frames using the LEFT JOIN method and the default header name suffixes
|
JoinedDataFrame |
leftJoin(DataFrame dfA,
DataFrame dfB,
String joinSuffixA,
String joinSuffixB,
JoinColumn... joinColumns)
Joins two data frames using the LEFT JOIN method and specified suffixes for the column header names
|
JoinedDataFrame |
outerJoin(DataFrame dfA,
DataFrame dfB,
JoinColumn... joinColumns)
Joins two data frames using the OUTER JOIN method and the default header name suffixes
|
JoinedDataFrame |
outerJoin(DataFrame dfA,
DataFrame dfB,
String joinSuffixA,
String joinSuffixB,
JoinColumn... joinColumns)
Joins two data frames using the OUTER JOIN method and specified suffixes for the column header names
|
JoinedDataFrame |
rightJoin(DataFrame dfA,
DataFrame dfB,
JoinColumn... joinColumns)
Joins two data frames using the RIGHT JOIN method and the default header name suffixes
|
JoinedDataFrame |
rightJoin(DataFrame dfA,
DataFrame dfB,
String joinSuffixA,
String joinSuffixB,
JoinColumn... joinColumns)
Joins two data frames using the RIGHT JOIN method and specified suffixes for the column header names
|
public static final String JOIN_SUFFIX_A
public static final String JOIN_SUFFIX_B
public static final RightJoin RIGHT
public static final LeftJoin LEFT
public static final InnerJoin INNER
public static final OuterJoin OUTER
public JoinedDataFrame leftJoin(DataFrame dfA, DataFrame dfB, JoinColumn... joinColumns)
leftJoin in interface JoinUtildfA - first data framedfB - second data framejoinColumns - columns used for the joinLeftJoin.join(DataFrame , DataFrame , String, String, JoinColumn...)public JoinedDataFrame leftJoin(DataFrame dfA, DataFrame dfB, String joinSuffixA, String joinSuffixB, JoinColumn... joinColumns)
leftJoin in interface JoinUtildfA - first data framedfB - second data framejoinSuffixA - suffix used for columns in the first data framejoinSuffixB - suffix used for columns in the second data framejoinColumns - columns used for the joinLeftJoin.join(DataFrame , DataFrame , String, String, JoinColumn...)public JoinedDataFrame rightJoin(DataFrame dfA, DataFrame dfB, JoinColumn... joinColumns)
rightJoin in interface JoinUtildfA - first data framedfB - second data framejoinColumns - columns used for the joinLeftJoin.join(DataFrame , DataFrame , String, String, JoinColumn...)public JoinedDataFrame rightJoin(DataFrame dfA, DataFrame dfB, String joinSuffixA, String joinSuffixB, JoinColumn... joinColumns)
rightJoin in interface JoinUtildfA - first data framedfB - second data framejoinSuffixA - suffix used for columns in the first data framejoinSuffixB - suffix used for columns in the second data framejoinColumns - columns used for the joinLeftJoin.join(DataFrame , DataFrame , String, String, JoinColumn...)public JoinedDataFrame innerJoin(DataFrame dfA, DataFrame dfB, JoinColumn... joinColumns)
innerJoin in interface JoinUtildfA - first data framedfB - second data framejoinColumns - columns used for the joinInnerJoin.join(DataFrame , DataFrame , String, String, JoinColumn...)public JoinedDataFrame innerJoin(DataFrame dfA, DataFrame dfB, String joinSuffixA, String joinSuffixB, JoinColumn... joinColumns)
innerJoin in interface JoinUtildfA - first data framedfB - second data framejoinSuffixA - suffix used for columns in the first data framejoinSuffixB - suffix used for columns in the second data framejoinColumns - columns used for the joinInnerJoin.join(DataFrame , DataFrame, String, String, JoinColumn...)public JoinedDataFrame outerJoin(DataFrame dfA, DataFrame dfB, JoinColumn... joinColumns)
outerJoin in interface JoinUtildfA - first data framedfB - second data framejoinColumns - columns used for the joinInnerJoin.join(DataFrame , DataFrame , String, String, JoinColumn...)public JoinedDataFrame outerJoin(DataFrame dfA, DataFrame dfB, String joinSuffixA, String joinSuffixB, JoinColumn... joinColumns)
outerJoin in interface JoinUtildfA - first data framedfB - second data framejoinSuffixA - suffix used for columns in the first data framejoinSuffixB - suffix used for columns in the second data framejoinColumns - columns used for the joinInnerJoin.join(DataFrame , DataFrame, String, String, JoinColumn...)Copyright © 2020. All rights reserved.