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Merge 498bbdb8b8 into f8beae32a0

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bobokele 2021-03-17 22:31:35 +08:00 committed by GitHub
commit bf38792002
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1 changed files with 12 additions and 1 deletions
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13
src/java/org/apache/sqoop/mapreduce/MergeMapperBase.java
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@ -74,7 +74,18 @@ protected void processRecord(SqoopRecord r, Context c)
if (null == fieldMap) { if (null == fieldMap) {
throw new IOException("No field map in record " + r); throw new IOException("No field map in record " + r);
} }
Object keyObj = fieldMap.get(keyColName); Object keyObj = null;
if (keyColName.contains(",")) {
String connectStr = new String(new byte[]{1});
StringBuilder keyFieldsSb = new StringBuilder();
for (String str : keyColName.split(",")) {
keyFieldsSb.append(connectStr).append(fieldMap.get(str).toString());
}
keyObj = keyFieldsSb;
} else {
keyObj = fieldMap.get(keyColName);
}
if (null == keyObj) { if (null == keyObj) {
throw new IOException("Cannot join values on null key. " throw new IOException("Cannot join values on null key. "
+ "Did you specify a key column that exists?"); + "Did you specify a key column that exists?");