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https://issues.apache.org/jira/browse/HIVE-23818?focusedWorklogId=456677&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-456677
]
ASF GitHub Bot logged work on HIVE-23818:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Jul/20 15:02
Start Date: 09/Jul/20 15:02
Worklog Time Spent: 10m
Work Description: kgyrtkirk commented on a change in pull request #1229:
URL: https://github.com/apache/hive/pull/1229#discussion_r452284974
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/stats/StatsUtils.java
##########
@@ -1252,78 +1254,88 @@ public static long getSizeOfComplexTypes(HiveConf conf,
ObjectInspector oi) {
}
/**
- * Get size of fixed length primitives
- * @param colType
- * - column type
+ * Get size of fixed length primitives.
+ *
+ * @param colType column type
* @return raw data size
+ * @throws NullPointerException if colType is {@code null}
*/
- public static long getAvgColLenOfFixedLengthTypes(String colType) {
- String colTypeLowerCase = colType.toLowerCase();
- if (colTypeLowerCase.equals(serdeConstants.TINYINT_TYPE_NAME)
- || colTypeLowerCase.equals(serdeConstants.SMALLINT_TYPE_NAME)
- || colTypeLowerCase.equals(serdeConstants.INT_TYPE_NAME)
- || colTypeLowerCase.equals(serdeConstants.VOID_TYPE_NAME)
- || colTypeLowerCase.equals(serdeConstants.BOOLEAN_TYPE_NAME)
- || colTypeLowerCase.equals(serdeConstants.FLOAT_TYPE_NAME)) {
+ public static long getAvgColLenOfFixedLengthTypes(final String colType) {
+ String colTypeLowerCase = Objects.requireNonNull(colType).toLowerCase();
+ switch (colTypeLowerCase) {
+ case serdeConstants.TINYINT_TYPE_NAME:
+ case serdeConstants.SMALLINT_TYPE_NAME:
+ case serdeConstants.INT_TYPE_NAME:
+ case serdeConstants.VOID_TYPE_NAME:
+ case serdeConstants.BOOLEAN_TYPE_NAME:
+ case serdeConstants.FLOAT_TYPE_NAME:
return JavaDataModel.get().primitive1();
- } else if (colTypeLowerCase.equals(serdeConstants.DOUBLE_TYPE_NAME)
- || colTypeLowerCase.equals(serdeConstants.BIGINT_TYPE_NAME)
- ||
colTypeLowerCase.equals(serdeConstants.INTERVAL_YEAR_MONTH_TYPE_NAME)
- || colTypeLowerCase.equals("long")) {
+ case serdeConstants.DOUBLE_TYPE_NAME:
+ case serdeConstants.BIGINT_TYPE_NAME:
+ case serdeConstants.INTERVAL_YEAR_MONTH_TYPE_NAME:
+ case "long":
return JavaDataModel.get().primitive2();
- } else if (colTypeLowerCase.equals(serdeConstants.TIMESTAMP_TYPE_NAME) ||
- colTypeLowerCase.equals(serdeConstants.TIMESTAMPLOCALTZ_TYPE_NAME)) {
+ case serdeConstants.TIMESTAMP_TYPE_NAME:
+ case serdeConstants.TIMESTAMPLOCALTZ_TYPE_NAME:
return JavaDataModel.get().lengthOfTimestamp();
- } else if (colTypeLowerCase.equals(serdeConstants.DATE_TYPE_NAME)) {
+ case serdeConstants.DATE_TYPE_NAME:
return JavaDataModel.get().lengthOfDate();
- } else if (colTypeLowerCase.startsWith(serdeConstants.DECIMAL_TYPE_NAME)) {
+ case serdeConstants.DECIMAL_TYPE_NAME:
return JavaDataModel.get().lengthOfDecimal();
- } else if
(colTypeLowerCase.equals(serdeConstants.INTERVAL_DAY_TIME_TYPE_NAME)) {
+ case serdeConstants.INTERVAL_DAY_TIME_TYPE_NAME:
return JavaDataModel.JAVA32_META;
- } else {
- //TODO: support complex types
+ default:
+ // TODO: support complex types
// for complex type we simply return 0
return 0;
}
}
/**
- * Get the size of arrays of primitive types
+ * Get the size of arrays of primitive types.
+ *
+ * @param colType The column type
+ * @param length The length of the column type
+ * @param maxLength The maximum length of the field
* @return raw data size
+ * @throws NullPointerException if colType is {@code null}
*/
- public static long getSizeOfPrimitiveTypeArraysFromType(String colType, int
length, HiveConf conf) {
- String colTypeLowerCase = colType.toLowerCase();
- if (colTypeLowerCase.equals(serdeConstants.TINYINT_TYPE_NAME)
- || colTypeLowerCase.equals(serdeConstants.SMALLINT_TYPE_NAME)
- || colTypeLowerCase.equals(serdeConstants.INT_TYPE_NAME)
- || colTypeLowerCase.equals(serdeConstants.FLOAT_TYPE_NAME)) {
+ public static long getSizeOfPrimitiveTypeArraysFromType(final String
colType, final int length, final int maxLength) {
+ String colTypeLowerCase = Objects.requireNonNull(colType).toLowerCase();
+ if (colTypeLowerCase.startsWith(serdeConstants.VARCHAR_TYPE_NAME)
+ || colTypeLowerCase.startsWith(serdeConstants.CHAR_TYPE_NAME)) {
+ int charTypeLen = JavaDataModel.get().lengthForStringOfLength(maxLength);
+ return JavaDataModel.get().lengthForPrimitiveArrayOfSize(charTypeLen,
length);
+ }
+ switch (colTypeLowerCase) {
+ case serdeConstants.TINYINT_TYPE_NAME:
+ case serdeConstants.SMALLINT_TYPE_NAME:
+ case serdeConstants.INT_TYPE_NAME:
+ case serdeConstants.FLOAT_TYPE_NAME:
return JavaDataModel.get().lengthForIntArrayOfSize(length);
- } else if (colTypeLowerCase.equals(serdeConstants.DOUBLE_TYPE_NAME)) {
+ case serdeConstants.DOUBLE_TYPE_NAME:
return JavaDataModel.get().lengthForDoubleArrayOfSize(length);
- } else if (colTypeLowerCase.equals(serdeConstants.BIGINT_TYPE_NAME)
- || colTypeLowerCase.equals("long")) {
+ case serdeConstants.BIGINT_TYPE_NAME:
+ case "long":
Review comment:
yes; it's unrelated - opened HIVE-23828
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Issue Time Tracking
-------------------
Worklog Id: (was: 456677)
Time Spent: 1h (was: 50m)
> Use String Switch-Case Statement in StatUtils
> ---------------------------------------------
>
> Key: HIVE-23818
> URL: https://issues.apache.org/jira/browse/HIVE-23818
> Project: Hive
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> switch-case statements with Java is now available.
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