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The following commit(s) were added to refs/heads/master by this push:
     new 6846b2cd823 Support Parsing ALTER TRIGGER in PostgreSQL (#20611)
6846b2cd823 is described below

commit 6846b2cd82389d7ac18f36d030d31082e900f991
Author: Everly Precia Suresh <[email protected]>
AuthorDate: Sun Aug 28 12:11:45 2022 +0530

    Support Parsing ALTER TRIGGER in PostgreSQL (#20611)
---
 .../parser/autogen/PostgreSQLStatementParser.g4    |  1 +
 .../impl/PostgreSQLDDLStatementSQLVisitor.java     |  7 ++++++
 .../ddl/PostgreSQLAlterTriggerStatement.java       | 29 ++++++++++++++++++++++
 .../src/main/resources/case/ddl/alter-trigger.xml  |  2 ++
 .../resources/sql/supported/ddl/alter-trigger.xml  |  2 ++
 .../main/resources/sql/unsupported/unsupported.xml |  2 --
 6 files changed, 41 insertions(+), 2 deletions(-)

diff --git 
a/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-postgresql/src/main/antlr4/org/apache/shardingsphere/sql/parser/autogen/PostgreSQLStatementParser.g4
 
b/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-postgresql/src/main/antlr4/org/apache/shardingsphere/sql/parser/autogen/PostgreSQLStatementParser.g4
index 8723590f50c..c0c0a7acd24 100644
--- 
a/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-postgresql/src/main/antlr4/org/apache/shardingsphere/sql/parser/autogen/PostgreSQLStatementParser.g4
+++ 
b/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-postgresql/src/main/antlr4/org/apache/shardingsphere/sql/parser/autogen/PostgreSQLStatementParser.g4
@@ -177,5 +177,6 @@ execute
     | createOperator
     | alterTextSearchConfiguration
     | createPolicy
+    | alterTrigger
     ) SEMI_? EOF
     ;
diff --git 
a/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-postgresql/src/main/java/org/apache/shardingsphere/sql/parser/postgresql/visitor/statement/impl/PostgreSQLDDLStatementSQLVisitor.java
 
b/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-postgresql/src/main/java/org/apache/shardingsphere/sql/parser/postgresql/visitor/statement/impl/PostgreSQLDDLStatementSQLVisitor.java
index a9d62061c79..8db79e3f042 100644
--- 
a/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-postgresql/src/main/java/org/apache/shardingsphere/sql/parser/postgresql/visitor/statement/impl/PostgreSQLDDLStatementSQLVisitor.java
+++ 
b/shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-postgresql/src/main/java/org/apache/shardingsphere/sql/parser/postgresql/visitor/statement/impl/PostgreSQLDDLStatementSQLVisitor.java
@@ -51,6 +51,7 @@ import 
org.apache.shardingsphere.sql.parser.autogen.PostgreSQLStatementParser.Al
 import 
org.apache.shardingsphere.sql.parser.autogen.PostgreSQLStatementParser.AlterServerContext;
 import 
org.apache.shardingsphere.sql.parser.autogen.PostgreSQLStatementParser.AlterStatisticsContext;
 import 
org.apache.shardingsphere.sql.parser.autogen.PostgreSQLStatementParser.AlterSubscriptionContext;
+import 
org.apache.shardingsphere.sql.parser.autogen.PostgreSQLStatementParser.AlterTriggerContext;
 import 
org.apache.shardingsphere.sql.parser.autogen.PostgreSQLStatementParser.AlterTableActionContext;
 import 
org.apache.shardingsphere.sql.parser.autogen.PostgreSQLStatementParser.AlterTableContext;
 import 
org.apache.shardingsphere.sql.parser.autogen.PostgreSQLStatementParser.AlterTablespaceContext;
@@ -227,6 +228,7 @@ import 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl
 import 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl.PostgreSQLAlterServerStatement;
 import 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl.PostgreSQLAlterStatisticsStatement;
 import 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl.PostgreSQLAlterSubscriptionStatement;
+import 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl.PostgreSQLAlterTriggerStatement;
 import 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl.PostgreSQLAlterTableStatement;
 import 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl.PostgreSQLAlterTablespaceStatement;
 import 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl.PostgreSQLAlterTextSearchStatement;
@@ -509,6 +511,11 @@ public final class PostgreSQLDDLStatementSQLVisitor 
extends PostgreSQLStatementS
         return new PostgreSQLAlterSubscriptionStatement();
     }
     
+    @Override
+    public ASTNode visitAlterTrigger(final AlterTriggerContext ctx) {
+        return new PostgreSQLAlterTriggerStatement();
+    }
+    
     @Override
     public ASTNode visitRenameTableSpecification(final 
RenameTableSpecificationContext ctx) {
         RenameTableDefinitionSegment result = new 
RenameTableDefinitionSegment(ctx.start.getStartIndex(), 
ctx.stop.getStopIndex());
diff --git 
a/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/postgresql/ddl/PostgreSQLAlterTriggerStatement.java
 
b/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/postgresql/ddl/PostgreSQLAlterTriggerStatement.java
new file mode 100644
index 00000000000..1a2649b88ca
--- /dev/null
+++ 
b/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/postgresql/ddl/PostgreSQLAlterTriggerStatement.java
@@ -0,0 +1,29 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl;
+
+import lombok.ToString;
+import 
org.apache.shardingsphere.sql.parser.sql.common.statement.ddl.AlterTriggerStatement;
+import 
org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.PostgreSQLStatement;
+
+/**
+ * PostgreSQL alter trigger statement.
+ */
+@ToString(callSuper = true)
+public final class PostgreSQLAlterTriggerStatement extends 
AlterTriggerStatement implements PostgreSQLStatement {
+}
diff --git 
a/shardingsphere-test/shardingsphere-parser-test/src/main/resources/case/ddl/alter-trigger.xml
 
b/shardingsphere-test/shardingsphere-parser-test/src/main/resources/case/ddl/alter-trigger.xml
index 074d19faa13..2e724fdf27f 100644
--- 
a/shardingsphere-test/shardingsphere-parser-test/src/main/resources/case/ddl/alter-trigger.xml
+++ 
b/shardingsphere-test/shardingsphere-parser-test/src/main/resources/case/ddl/alter-trigger.xml
@@ -18,6 +18,8 @@
 
 <sql-parser-test-cases>
     <alter-trigger sql-case-id="alter_trigger" />
+    <alter-trigger sql-case-id="alter_trigger_rename" />
+    <alter-trigger sql-case-id="alter_trigger_extension" />
     <alter-trigger sql-case-id="alter_trigger_disable" />
     <alter-trigger sql-case-id="alter_trigger_enable" />
 </sql-parser-test-cases>
diff --git 
a/shardingsphere-test/shardingsphere-parser-test/src/main/resources/sql/supported/ddl/alter-trigger.xml
 
b/shardingsphere-test/shardingsphere-parser-test/src/main/resources/sql/supported/ddl/alter-trigger.xml
index 852c95c7af4..caae40b134f 100644
--- 
a/shardingsphere-test/shardingsphere-parser-test/src/main/resources/sql/supported/ddl/alter-trigger.xml
+++ 
b/shardingsphere-test/shardingsphere-parser-test/src/main/resources/sql/supported/ddl/alter-trigger.xml
@@ -21,6 +21,8 @@
         ON Sales.SalesPersonQuotaHistory
         AFTER INSERT
         AS INSERT INTO SalesPersonQuotaHistory VALUES(t1, 100)" 
db-types="SQLServer" />
+    <sql-case id="alter_trigger_rename" value="ALTER TRIGGER emp_stamp ON emp 
RENAME TO emp_track_chgs;" db-types="PostgreSQL" />
+    <sql-case id="alter_trigger_extension" value="ALTER TRIGGER emp_stamp ON 
emp DEPENDS ON EXTENSION emplib;" db-types="PostgreSQL" />
     <sql-case id="alter_trigger_disable" value="ALTER TRIGGER 
update_job_history DISABLE;" db-types="Oracle" />
     <sql-case id="alter_trigger_enable" value="ALTER TRIGGER 
update_job_history ENABLE;" db-types="Oracle" />
 </sql-cases>
diff --git 
a/shardingsphere-test/shardingsphere-parser-test/src/main/resources/sql/unsupported/unsupported.xml
 
b/shardingsphere-test/shardingsphere-parser-test/src/main/resources/sql/unsupported/unsupported.xml
index 28dff86fbbe..e454a361744 100644
--- 
a/shardingsphere-test/shardingsphere-parser-test/src/main/resources/sql/unsupported/unsupported.xml
+++ 
b/shardingsphere-test/shardingsphere-parser-test/src/main/resources/sql/unsupported/unsupported.xml
@@ -3284,7 +3284,6 @@
     <sql-case id="alter_by_postgresql_source_test_case387" value="ALTER TABLE 
reloptions_test RESET (toast.autovacuum_vacuum_cost_delay);" 
db-types="PostgreSQL" />
     <sql-case id="alter_by_postgresql_source_test_case388" value="ALTER TABLE 
reloptions_test SET (autovacuum_enabled, fillfactor=32);" db-types="PostgreSQL" 
/>
     <sql-case id="alter_by_postgresql_source_test_case389" value="ALTER TABLE 
reloptions_test SET (toast.autovacuum_vacuum_cost_delay = 24);" 
db-types="PostgreSQL" />
-    <sql-case id="alter_by_postgresql_source_test_case411" value="ALTER 
TRIGGER modified_a ON main_table RENAME TO modified_modified_a;" 
db-types="PostgreSQL" />
     <sql-case id="alter_by_postgresql_source_test_case412" value="ALTER TYPE 
bogon ADD VALUE &apos;bad&apos;;" db-types="PostgreSQL" />
     <sql-case id="alter_by_postgresql_source_test_case413" value="ALTER TYPE 
bogon ADD VALUE &apos;bad&apos;;" db-types="PostgreSQL" />
     <sql-case id="alter_by_postgresql_source_test_case414" value="ALTER TYPE 
bogon ADD VALUE &apos;ugly&apos;;" db-types="PostgreSQL" />
@@ -5209,7 +5208,6 @@
     <sql-case id="low_alter_by_postgresql_source_test_case61" value="alter 
table anothertab alter column atcol1 type boolean         using case when 
atcol1 % 2 = 0 then true else fa alter table anothertab drop constraint 
anothertab_chk;" db-types="PostgreSQL" />
     <sql-case id="low_alter_by_postgresql_source_test_case62" value="alter 
table check_con_tbl add check (check_con_function(check_con_tbl.*));" 
db-types="PostgreSQL" />
     <sql-case id="low_alter_by_postgresql_source_test_case63" value="alter 
table rename;" db-types="PostgreSQL" />
-    <sql-case id="low_alter_by_postgresql_source_test_case67" value="alter 
trigger a on grandparent rename to b;" db-types="PostgreSQL" />
     <sql-case id="low_alter_by_postgresql_source_test_case68" value="alter 
type alter1.ctype set schema alter1;" db-types="PostgreSQL" />
     <sql-case id="low_alter_by_postgresql_source_test_case69" value="alter 
type alter1.ctype set schema alter2;" db-types="PostgreSQL" />
     <sql-case id="low_alter_by_postgresql_source_test_case70" value="alter 
type comptype alter attribute r type bigint;" db-types="PostgreSQL" />

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