XieJiann commented on code in PR #27627:
URL: https://github.com/apache/doris/pull/27627#discussion_r1409019971
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fe/fe-core/src/main/java/org/apache/doris/catalog/TableIf.java:
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@@ -153,6 +156,80 @@ default int getBaseColumnIdxByName(String colName) {
void write(DataOutput out) throws IOException;
+ default Map<String, Constraint> getConstraintMap() {
+ throw new RuntimeException("Not implemented constraint for table " +
this.toString());
+ }
+
+ // Note this function is not thread safe
+ default void checkConstraintNotExistence(String name, Constraint
primaryKeyConstraint,
+ Map<String, Constraint> constraintMap) {
+ if (constraintMap.containsKey(name)) {
+ throw new RuntimeException(String.format("Constraint name %s has
existed", name));
+ }
+ for (Map.Entry<String, Constraint> entry : constraintMap.entrySet()) {
+ if (entry.getValue().equals(primaryKeyConstraint)) {
+ throw new RuntimeException(String.format(
+ "Constraint %s has existed, named %s",
primaryKeyConstraint, entry.getKey()));
+ }
+ }
+ }
+
+ default void addUniqueConstraint(String name, ImmutableList<Column>
columns) {
+ writeLock();
+ try {
+ Map<String, Constraint> constraintMap = getConstraintMap();
Review Comment:
The set can handle repeat column case
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