soumyakanti3578 commented on a change in pull request #2752:
URL: https://github.com/apache/hive/pull/2752#discussion_r740031279
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File path: ql/src/java/org/apache/hadoop/hive/ql/exec/DDLPlanUtils.java
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@@ -800,19 +804,59 @@ private String getExternal(Table table) {
return table.getTableType() == TableType.EXTERNAL_TABLE ? "EXTERNAL " : "";
}
- private String getColumns(Table table) {
- List<String> columnDescs = new ArrayList<String>();
+ private String getColumns(Table table) throws HiveException{
+ List<String> columnDescs = new ArrayList<>();
+ Set<String> notNullColumns = null;
+ if
(NotNullConstraint.isNotNullConstraintNotEmpty(table.getNotNullConstraint())) {
+ notNullColumns = new
HashSet<>(table.getNotNullConstraint().getNotNullConstraints().values());
+ }
+
+ Map<String, String> columnDefaultValueMap = null;
+ if
(DefaultConstraint.isCheckConstraintNotEmpty(table.getDefaultConstraint())) {
+ columnDefaultValueMap =
table.getDefaultConstraint().getColNameToDefaultValueMap();
+ }
for (FieldSchema column : table.getCols()) {
String columnType =
formatType(TypeInfoUtils.getTypeInfoFromTypeString(column.getType()));
- String columnDesc = " `" + column.getName() + "` " + columnType;
+ String columnName = column.getName();
+ StringBuilder columnDesc = new StringBuilder();
+ columnDesc.append(" `").append(columnName).append("`
").append(columnType);
Review comment:
I just pushed a change where I just add the backticks to the columns! It
seems to be working fine, but please do let me know if we need to parse it to
AST instead! :)
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