mytang0 created FLINK-19443:
-------------------------------
Summary: runtime function 'splitIndex'
Key: FLINK-19443
URL: https://issues.apache.org/jira/browse/FLINK-19443
Project: Flink
Issue Type: Bug
Components: Table SQL / Runtime
Reporter: mytang0
runtime function 'splitIndex' has NPE problem (located in the SqlFunctionUtils
class)
*NPE version:*
public static String splitIndex(String str, String separator, int index) {
if (index < 0) {
return null;
}
String[] values = StringUtils.splitByWholeSeparatorPreserveAllTokens(str,
separator);
if (index >= values.length) {
return null;
} else {
return values[index];
}
}
public static String splitIndex(String str, int character, int index) {
if (character > 255 || character < 1 || index < 0) {
return null;
}
String[] values = StringUtils.splitPreserveAllTokens(str, (char) character);
if (index >= values.length) {
return null;
} else {
return values[index];
}
}
*Fix version:*
public static String splitIndex(String str, String separator, int index) {
if (index < 0) {
return null;
}
String[] values = StringUtils.splitByWholeSeparatorPreserveAllTokens(str,
separator);
if ({color:#FF0000}values == null ||{color} index >= values.length) {
return null;
} else {
return values[index];
}
}
public static String splitIndex(String str, int character, int index) {
if (character > 255 || character < 1 || index < 0) {
return null;
}
String[] values = StringUtils.splitPreserveAllTokens(str, (char) character);
if ({color:#FF0000}values == null ||{color} index >= values.length) {
return null;
} else {
return values[index];
}
}
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