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     new e9c7eebab90 Update Oracle DML SLELECT PERCENT_RANK statement parse 
(#22042)
e9c7eebab90 is described below

commit e9c7eebab9022460e26399b4412f717bed906e12
Author: Zichao <[email protected]>
AuthorDate: Thu Nov 10 22:48:00 2022 +1300

    Update Oracle DML SLELECT PERCENT_RANK statement parse (#22042)
    
    * Update Oracle DML SLELECT PERCENT_RANK statement parse
    
    * Update Oracle DML SLELECT PERCENT_RANK statement parse
---
 .../src/main/antlr4/imports/oracle/BaseRule.g4     |  8 +++---
 .../main/antlr4/imports/oracle/OracleKeyword.g4    |  4 +++
 .../statement/impl/OracleStatementSQLVisitor.java  |  2 +-
 test/parser/src/main/resources/case/dml/select.xml | 30 ++++++++++++++++++++++
 .../main/resources/sql/supported/dml/select.xml    |  2 ++
 5 files changed, 42 insertions(+), 4 deletions(-)

diff --git 
a/sql-parser/dialect/oracle/src/main/antlr4/imports/oracle/BaseRule.g4 
b/sql-parser/dialect/oracle/src/main/antlr4/imports/oracle/BaseRule.g4
index 0e946906938..a97a4b7f6d3 100644
--- a/sql-parser/dialect/oracle/src/main/antlr4/imports/oracle/BaseRule.g4
+++ b/sql-parser/dialect/oracle/src/main/antlr4/imports/oracle/BaseRule.g4
@@ -162,7 +162,7 @@ unreservedWord
     | ENFORCED | TRUSTED | ID | SYNCHRONOUS | ASYNCHRONOUS | REPEAT | FEATURE 
| STATEMENT | CLAUSE | UNPLUG
     | HOST | PORT | EVERY | MINUTES | HOURS | NORELOCATE | SAVE | DISCARD | 
APPLICATION | INSTALL
     | MINIMUM | VERSION | UNINSTALL | COMPATIBILITY | MATERIALIZE | SUBTYPE | 
RECORD | CONSTANT | CURSOR
-    | OTHERS | EXCEPTION | CPU_PER_SESSION | CONNECT_TIME | 
LOGICAL_READS_PER_SESSION | PRIVATE_SGA
+    | OTHERS | EXCEPTION | CPU_PER_SESSION | CONNECT_TIME | 
LOGICAL_READS_PER_SESSION | PRIVATE_SGA | PERCENT_RANK
     ;
 
 schemaName
@@ -441,6 +441,8 @@ expr
     | PRIOR expr
     | LP_ expr RP_
     | booleanPrimary
+    | aggregationFunction
+    | analyticFunction
     ;
 
 andOperator
@@ -509,11 +511,11 @@ functionCall
     ;
 
 aggregationFunction
-    : aggregationFunctionName LP_ (((DISTINCT | ALL)? expr) | ASTERISK_) 
(COMMA_ stringLiterals)? listaggOverflowClause? RP_ (WITHIN GROUP LP_ 
orderByClause RP_)? (OVER LP_ analyticClause RP_)? (OVER LP_ analyticClause 
RP_)?
+    : aggregationFunctionName LP_ (((DISTINCT | ALL)? expr (COMMA_ expr)*) | 
ASTERISK_) (COMMA_ stringLiterals)? listaggOverflowClause? RP_ (WITHIN GROUP 
LP_ orderByClause RP_)? (OVER LP_ analyticClause RP_)? (OVER LP_ analyticClause 
RP_)?
     ;
 
 aggregationFunctionName
-    : MAX | MIN | SUM | COUNT | AVG | GROUPING | LISTAGG
+    : MAX | MIN | SUM | COUNT | AVG | GROUPING | LISTAGG | PERCENT_RANK
     ;
 
 listaggOverflowClause
diff --git 
a/sql-parser/dialect/oracle/src/main/antlr4/imports/oracle/OracleKeyword.g4 
b/sql-parser/dialect/oracle/src/main/antlr4/imports/oracle/OracleKeyword.g4
index e06b235406d..a081263007a 100644
--- a/sql-parser/dialect/oracle/src/main/antlr4/imports/oracle/OracleKeyword.g4
+++ b/sql-parser/dialect/oracle/src/main/antlr4/imports/oracle/OracleKeyword.g4
@@ -3088,6 +3088,10 @@ PRIVATE_SGA
     : P R I V A T E UL_ S G A
     ;
 
+PERCENT_RANK
+    : P E R C E N T UL_ R A N K
+    ;
+
 LISTAGG
     : L I S T A G G
     ;
diff --git 
a/sql-parser/dialect/oracle/src/main/java/org/apache/shardingsphere/sql/parser/oracle/visitor/statement/impl/OracleStatementSQLVisitor.java
 
b/sql-parser/dialect/oracle/src/main/java/org/apache/shardingsphere/sql/parser/oracle/visitor/statement/impl/OracleStatementSQLVisitor.java
index 5ca12e13415..2768051943a 100644
--- 
a/sql-parser/dialect/oracle/src/main/java/org/apache/shardingsphere/sql/parser/oracle/visitor/statement/impl/OracleStatementSQLVisitor.java
+++ 
b/sql-parser/dialect/oracle/src/main/java/org/apache/shardingsphere/sql/parser/oracle/visitor/statement/impl/OracleStatementSQLVisitor.java
@@ -519,7 +519,7 @@ public abstract class OracleStatementSQLVisitor extends 
OracleStatementBaseVisit
     }
     
     private Collection<ExpressionSegment> getExpressions(final 
AggregationFunctionContext ctx) {
-        return null == ctx.expr() ? Collections.emptyList() : 
Collections.singletonList((ExpressionSegment) visit(ctx.expr()));
+        return null == ctx.expr() ? Collections.emptyList() : 
ctx.expr().stream().map(each -> (ExpressionSegment) 
visit(each)).collect(Collectors.toList());
     }
     
     private String getDistinctExpression(final AggregationFunctionContext ctx) 
{
diff --git a/test/parser/src/main/resources/case/dml/select.xml 
b/test/parser/src/main/resources/case/dml/select.xml
index c0a722b91a5..e46461f7241 100644
--- a/test/parser/src/main/resources/case/dml/select.xml
+++ b/test/parser/src/main/resources/case/dml/select.xml
@@ -4445,4 +4445,34 @@
             <simple-table name="t_product_category" start-index="108" 
stop-index="127" alias="c" />
         </from>
     </select>
+
+    <select sql-case-id="select_aggregate_percent_rank">
+        <projections start-index="7" stop-index="92">
+            <expression-projection text="PERCENT_RANK(15000, .05) WITHIN GROUP 
(ORDER BY salary, commission_pct)" alias="Percent-Rank" start-index="7" 
stop-index="92" />
+        </projections>
+        <from>
+            <simple-table name="employees" start-index="99" stop-index="107" />
+        </from>
+    </select>
+
+    <select sql-case-id="select_analytic_percent_rank">
+        <projections start-index="7" stop-index="115">
+            <column-projection name="department_id" start-index="7" 
stop-index="19" />
+            <column-projection name="last_name" start-index="22" 
stop-index="30" />
+            <column-projection name="salary" start-index="33" stop-index="38" 
/>
+            <expression-projection text="PERCENT_RANK() OVER (PARTITION BY 
department_id ORDER BY salary DESC)" start-index="41" stop-index="115" 
alias="pr">
+                <expr>
+                    <function function-name="PERCENT_RANK" start-index="41" 
stop-index="109" text="PERCENT_RANK() OVER (PARTITION BY department_id ORDER BY 
salary DESC)"/>
+                </expr>
+            </expression-projection>
+        </projections>
+        <from>
+            <simple-table name="employees" start-index="122" stop-index="130" 
/>
+        </from>
+        <order-by>
+            <column-item name="pr" start-index="141" stop-index="142" />
+            <column-item name="salary" start-index="145" stop-index="150" />
+            <column-item name="last_name" start-index="153" stop-index="161" />
+        </order-by>
+    </select>
 </sql-parser-test-cases>
diff --git a/test/parser/src/main/resources/sql/supported/dml/select.xml 
b/test/parser/src/main/resources/sql/supported/dml/select.xml
index 43dc5a1d46e..f1c2d785518 100644
--- a/test/parser/src/main/resources/sql/supported/dml/select.xml
+++ b/test/parser/src/main/resources/sql/supported/dml/select.xml
@@ -134,4 +134,6 @@
     <sql-case id="select_with_mysql_main_and_utc_data_and_so_on" value="SELECT 
MYSQL_MAIN,UTC_DATE,UTC_TIME,UTC_TIMESTAMP FROM test" db-types="MySQL" />
     <sql-case id="select_with_analytic_function" value="SELECT order_id, 
ROW_NUMBER () OVER (PARTITION BY user_id ORDER BY order_id DESC) AS row_number 
FROM t_order WHERE order_id = ?" db-types="Oracle" />
     <sql-case id="select_with_listagg_function_start_with_connect_by" 
value="SELECT LISTAGG(c.category_name, '/') WITHIN GROUP (ORDER BY LENGTH 
(c.&quot;level&quot;) DESC) AS category_level FROM t_product_category c START 
WITH c.category_id = 1 CONNECT BY PRIOR c.parent_id = c.category_id" 
db-types="Oracle" />
+    <sql-case id="select_aggregate_percent_rank" value="SELECT 
PERCENT_RANK(15000, .05) WITHIN GROUP (ORDER BY salary, commission_pct) 
'Percent-Rank' FROM employees;" db-types="Oracle" />
+    <sql-case id="select_analytic_percent_rank" value="SELECT department_id, 
last_name, salary, PERCENT_RANK() OVER (PARTITION BY department_id ORDER BY 
salary DESC) AS pr FROM employees ORDER BY pr, salary, last_name;" 
db-types="Oracle" />
 </sql-cases>

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