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add serialization format configuration #52

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add serialization format configuration #52

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879db77
add serialization format configuration
lalaguozhe Sep 3, 2014
eba77c4
print column header field delimiter according to serialization format
lalaguozhe Sep 4, 2014
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7 changes: 6 additions & 1 deletion cli/src/java/org/apache/hadoop/hive/cli/CliDriver.java
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Original file line number Diff line number Diff line change
Expand Up @@ -333,9 +333,14 @@ private void printHeader(Driver qp, PrintStream out) {
&& fieldSchemas != null) {
// Print the column names
boolean first_col = true;
String serializationFormat = HiveConf.getVar(conf, HiveConf.ConfVars.HIVE_LISTSINK_SERIALIZATION_FORMAT);
for (FieldSchema fs : fieldSchemas) {
if (!first_col) {
out.print('\t');
if (!StringUtils.isEmpty(serializationFormat)) {
out.print((char)Integer.parseInt(serializationFormat));
} else {
out.print('\t');
}
}
out.print(fs.getName());
first_col = false;
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2 changes: 2 additions & 0 deletions common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
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Expand Up @@ -767,6 +767,8 @@ public static enum ConfVars {
HIVESERVER_KERBEROS_KEYTAB_FILE("hive.hiveserver.kerberos.keytab.file", ""),
HIVESERVER_KERBEROS_PRINCIPAL("hive.hiveserver.kerberos.principal", ""),
HIVESERVER_USE_THRIFT_SASL("hive.hiveserver.sasl.enabled", false),

HIVE_LISTSINK_SERIALIZATION_FORMAT("hive.listsink.serialization.format", ""),
;

public final String varname;
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8 changes: 7 additions & 1 deletion ql/src/java/org/apache/hadoop/hive/ql/exec/ListSinkOperator.java
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Expand Up @@ -21,6 +21,7 @@
import java.util.ArrayList;
import java.util.Properties;

import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.common.JavaUtils;
import org.apache.hadoop.hive.conf.HiveConf;
Expand Down Expand Up @@ -65,7 +66,12 @@ private SerDe initializeSerde(Configuration conf) throws Exception {

// this is the default serialization format
if (serde instanceof DelimitedJSONSerDe) {
serdeProp.put(serdeConstants.SERIALIZATION_FORMAT, "" + Utilities.tabCode);
String serializationFormat = getConfiguration().get(HiveConf.ConfVars.HIVE_LISTSINK_SERIALIZATION_FORMAT.varname);
if (!StringUtils.isEmpty(serializationFormat)) {
serdeProp.put(serdeConstants.SERIALIZATION_FORMAT, "" + Integer.parseInt(serializationFormat));
} else {
serdeProp.put(serdeConstants.SERIALIZATION_FORMAT, "" + Utilities.tabCode);
}
serdeProp.put(serdeConstants.SERIALIZATION_NULL_FORMAT, getConf().getSerializationNullFormat());
}
serde.initialize(conf, serdeProp);
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