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[HUDI-2456] support 'show partitions' sql (#3693)

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This commit is contained in:
Yann Byron
2021-10-06 15:46:49 +08:00
committed by GitHub
parent 5f32162a2f
commit e91e611afb
11 changed files with 297 additions and 46 deletions
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19
hudi-common/src/main/java/org/apache/hudi/common/util/PartitionPathEncodeUtils.java
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@@ -25,6 +25,8 @@ import java.util.BitSet;
*/
public class PartitionPathEncodeUtils {
public static final String DEFAULT_PARTITION_PATH = "default";
static BitSet charToEscape = new BitSet(128);
static {
for (char c = 0; c < ' '; c++) {
@@ -64,14 +66,11 @@ public class PartitionPathEncodeUtils {
* @return An escaped path name.
*/
public static String escapePathName(String path, String defaultPath) {
// __HIVE_DEFAULT_NULL__ is the system default value for null and empty string.
// TODO: we should allow user to specify default partition or HDFS file location.
if (path == null || path.length() == 0) {
if (defaultPath == null) {
//previously, when path is empty or null and no default path is specified,
// __HIVE_DEFAULT_PARTITION__ was the return value for escapePathName
return "__HIVE_DEFAULT_PARTITION__";
// previously, when path is empty or null and no default path is specified,
// "default" was the return value for escapePathName
return DEFAULT_PARTITION_PATH;
} else {
return defaultPath;
}
@@ -111,4 +110,12 @@ public class PartitionPathEncodeUtils {
}
return sb.toString();
}
public static String escapePartitionValue(String value) {
if (value == null || value.isEmpty()) {
return DEFAULT_PARTITION_PATH;
} else {
return escapePathName(value);
}
}
}