[
https://issues.apache.org/jira/browse/HIVE-25652?focusedWorklogId=681823&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-681823
]
ASF GitHub Bot logged work on HIVE-25652:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Nov/21 05:01
Start Date: 16/Nov/21 05:01
Worklog Time Spent: 10m
Work Description: kasakrisz commented on a change in pull request #2777:
URL: https://github.com/apache/hive/pull/2777#discussion_r749896993
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/metadata/CheckConstraint.java
##########
@@ -34,13 +34,40 @@
@SuppressWarnings("serial")
public class CheckConstraint implements Serializable {
- public class CheckConstraintCol {
- public String colName;
- public String checkExpression;
-
- public CheckConstraintCol(String colName, String checkExpression) {
+ public static class CheckConstraintCol {
+ private final String colName;
+ private final String checkExpression;
+ private final String enable;
+ private final String validate;
+ private final String rely;
Review comment:
Should these be boolean?
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/exec/DDLPlanUtils.java
##########
@@ -813,50 +838,52 @@ private String getColumns(Table table) {
return StringUtils.join(columnDescs, ", \n");
}
- /** Struct fields are identifiers, need to be put between ``. */
+ /**
+ * Struct fields are identifiers, need to be put between ``.
+ */
private String formatType(TypeInfo typeInfo) {
switch (typeInfo.getCategory()) {
- case PRIMITIVE:
- return typeInfo.getTypeName();
- case STRUCT:
- StringBuilder structFormattedType = new StringBuilder();
-
- StructTypeInfo structTypeInfo = (StructTypeInfo)typeInfo;
- for (int i = 0; i < structTypeInfo.getAllStructFieldNames().size(); i++)
{
- if (structFormattedType.length() != 0) {
- structFormattedType.append(", ");
- }
+ case PRIMITIVE:
+ return typeInfo.getTypeName();
+ case STRUCT:
+ StringBuilder structFormattedType = new StringBuilder();
- String structElementName =
structTypeInfo.getAllStructFieldNames().get(i);
- String structElementType =
formatType(structTypeInfo.getAllStructFieldTypeInfos().get(i));
+ StructTypeInfo structTypeInfo = (StructTypeInfo) typeInfo;
+ for (int i = 0; i < structTypeInfo.getAllStructFieldNames().size();
i++) {
+ if (structFormattedType.length() != 0) {
+ structFormattedType.append(", ");
+ }
- structFormattedType.append("`" + structElementName + "`:" +
structElementType);
- }
- return "struct<" + structFormattedType.toString() + ">";
- case LIST:
- ListTypeInfo listTypeInfo = (ListTypeInfo)typeInfo;
- String elementType = formatType(listTypeInfo.getListElementTypeInfo());
- return "array<" + elementType + ">";
- case MAP:
- MapTypeInfo mapTypeInfo = (MapTypeInfo)typeInfo;
- String keyTypeInfo = mapTypeInfo.getMapKeyTypeInfo().getTypeName();
- String valueTypeInfo = formatType(mapTypeInfo.getMapValueTypeInfo());
- return "map<" + keyTypeInfo + "," + valueTypeInfo + ">";
- case UNION:
- StringBuilder unionFormattedType = new StringBuilder();
-
- UnionTypeInfo unionTypeInfo = (UnionTypeInfo)typeInfo;
- for (TypeInfo unionElementTypeInfo :
unionTypeInfo.getAllUnionObjectTypeInfos()) {
- if (unionFormattedType.length() != 0) {
- unionFormattedType.append(", ");
- }
+ String structElementName =
structTypeInfo.getAllStructFieldNames().get(i);
Review comment:
Should this be escaped?
```
HiveUtils.unparseIdentifier(structElementName)
```
##########
File path: ql/src/test/queries/clientpositive/show_create_table.q
##########
@@ -0,0 +1,44 @@
+CREATE TABLE TEST(
+ col1 varchar(100) NOT NULL COMMENT "comment for column 1",
+ col2 timestamp DEFAULT CURRENT_TIMESTAMP() COMMENT "comment for column 2",
+ col3 decimal CHECK (col3 + col4 > 1) enable novalidate rely,
+ col4 decimal NOT NULL,
+ col5 varchar(100),
+ primary key(col1, col2) disable novalidate rely,
+ constraint c3_c4_check CHECK((col3 + col4)/(col3 - col4) > 3),
+ constraint c4_unique UNIQUE(col4) disable novalidate rely)
+ROW FORMAT SERDE
+ 'org.apache.hadoop.hive.ql.io.orc.OrcSerde'
+STORED AS INPUTFORMAT
+ 'org.apache.hadoop.hive.ql.io.orc.OrcInputFormat'
+OUTPUTFORMAT
+ 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat';
+
+CREATE TABLE TEST2(
+ col varchar(100),
+ primary key(col) disable novalidate rely)
+ROW FORMAT SERDE
+'org.apache.hadoop.hive.ql.io.orc.OrcSerde'
+STORED AS INPUTFORMAT
+'org.apache.hadoop.hive.ql.io.orc.OrcInputFormat'
+OUTPUTFORMAT
+'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat';
+
+CREATE TABLE TEST3(
+ col1 varchar(100) COMMENT "comment",
+ col2 timestamp,
+ col3 varchar(100),
+ foreign key(col1, col2) references TEST(col1, col2) disable novalidate rely,
+ foreign key(col3) references TEST2(col) disable novalidate rely)
Review comment:
Please add a constraint with`enable validate norely` just to cover that
case too.
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Issue Time Tracking
-------------------
Worklog Id: (was: 681823)
Time Spent: 2h 50m (was: 2h 40m)
> Add constraints in result of “SHOW CREATE TABLE ”
> -------------------------------------------------
>
> Key: HIVE-25652
> URL: https://issues.apache.org/jira/browse/HIVE-25652
> Project: Hive
> Issue Type: Improvement
> Reporter: Soumyakanti Das
> Assignee: Soumyakanti Das
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> Currently show create table doesn’t pull any constraint info like not null,
> defaults, primary key.
> Example:
> Create table
>
> {code:java}
> CREATE TABLE TEST(
> col1 varchar(100) NOT NULL COMMENT "comment for column 1",
> col2 timestamp DEFAULT CURRENT_TIMESTAMP() COMMENT "comment for column 2",
> col3 decimal,
> col4 varchar(512) NOT NULL,
> col5 varchar(100),
> primary key(col1, col2) disable novalidate)
> ROW FORMAT SERDE
> 'org.apache.hadoop.hive.ql.io.orc.OrcSerde'
> STORED AS INPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.OrcInputFormat'
> OUTPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat';
> {code}
> Currently {{SHOW CREATE TABLE TEST}} doesn't show the column constraints.
> {code:java}
> CREATE TABLE `test`(
> `col1` varchar(100) COMMENT 'comment for column 1',
> `col2` timestamp COMMENT 'comment for column 2',
> `col3` decimal(10,0),
> `col4` varchar(512),
> `col5` varchar(100))
> ROW FORMAT SERDE
> 'org.apache.hadoop.hive.ql.io.orc.OrcSerde'
> STORED AS INPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.OrcInputFormat'
> OUTPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat'
> {code}
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