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The following commit(s) were added to refs/heads/master by this push:
     new c1021b92375 Support Oracle expr().expr() (#27884)
c1021b92375 is described below

commit c1021b92375e6b1f341789ab4d4b04ff96a2a6d6
Author: Zichao <[email protected]>
AuthorDate: Thu Aug 3 21:00:21 2023 +1200

    Support Oracle expr().expr() (#27884)
---
 .../oracle/src/main/antlr4/imports/oracle/BaseRule.g4 |  7 ++-----
 .../src/main/resources/case/dml/select-expression.xml | 19 +++++++++++++++++++
 .../resources/sql/supported/dml/select-expression.xml |  1 +
 3 files changed, 22 insertions(+), 5 deletions(-)

diff --git 
a/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/BaseRule.g4 
b/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/BaseRule.g4
index 3f288aae428..fc3a8b8db6e 100644
--- a/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/BaseRule.g4
+++ b/parser/sql/dialect/oracle/src/main/antlr4/imports/oracle/BaseRule.g4
@@ -328,7 +328,7 @@ unreservedWord3
     | WIDTH_BUCKET | WRAPPED | XID | XMLAGG | XMLATTRIBUTES | XMLCAST | 
XMLCDATA | XMLCOLATTVAL | XMLCOMMENT | XMLCONCAT | XMLDIFF
     | XMLEXISTS | XMLEXISTS2 | XMLFOREST | XMLINDEX_REWRITE | 
XMLINDEX_REWRITE_IN_SELECT | XMLINDEX_SEL_IDX_TBL | XMLISNODE
     | XMLISVALID | XMLNAMESPACES | XMLPARSE | XMLPATCH | XMLPI | XMLQUERY | 
XMLROOT | XMLSERIALIZE | XMLTABLE | XMLTOOBJECT
-    | XMLTRANSFORM | XMLTRANSFORMBLOB | XML_DML_RWT_STMT | XPATHTABLE | 
XS_SYS_CONTEXT | X_DYN_PRUNE
+    | XMLTRANSFORM | XMLTRANSFORMBLOB | XML_DML_RWT_STMT | XPATHTABLE | 
XS_SYS_CONTEXT | X_DYN_PRUNE | RESULT
     ;
 
 schemaName
@@ -682,6 +682,7 @@ bitExpr
     | bitExpr SLASH_ bitExpr
     | bitExpr MOD_ bitExpr
     | bitExpr CARET_ bitExpr
+    | bitExpr DOT_ bitExpr
     ;
 
 simpleExpr
@@ -1715,10 +1716,6 @@ capacityUnit
     : ('K' | 'M' | 'G' | 'T' | 'P' | 'E')
     ;
 
-tablespaceGroupName
-    : identifier
-    ;
-
 attributeDimensionName
     : identifier
     ;
diff --git a/test/it/parser/src/main/resources/case/dml/select-expression.xml 
b/test/it/parser/src/main/resources/case/dml/select-expression.xml
index 5ac327c61df..c888a8913f2 100644
--- a/test/it/parser/src/main/resources/case/dml/select-expression.xml
+++ b/test/it/parser/src/main/resources/case/dml/select-expression.xml
@@ -2715,4 +2715,23 @@
             <simple-table start-index="99" stop-index="108" name="warehouses" 
/>
         </from>
     </select>
+    
+    <select sql-case-id="select_expr_dot_expr">
+        <projections start-index="7" stop-index="43">
+            <expression-projection start-index="7" stop-index="43" 
text="DBURIType('/HR/DEPARTMENTS').getXML()">
+                <binary-operation-expression start-index="7" stop-index="43">
+                    <left>
+                        <function function-name="DBURIType" 
text="DBURIType('/HR/DEPARTMENTS')" />
+                    </left>
+                    <operator>.</operator>
+                    <right>
+                        <function function-name="getXML" text="getXML()" />
+                    </right>
+                </binary-operation-expression>
+            </expression-projection>
+        </projections>
+        <from>
+            <simple-table start-index="50" stop-index="53" name="DUAL" />
+        </from>
+    </select>
 </sql-parser-test-cases>
diff --git 
a/test/it/parser/src/main/resources/sql/supported/dml/select-expression.xml 
b/test/it/parser/src/main/resources/sql/supported/dml/select-expression.xml
index 58cc76a8769..c89f80252d6 100644
--- a/test/it/parser/src/main/resources/sql/supported/dml/select-expression.xml
+++ b/test/it/parser/src/main/resources/sql/supported/dml/select-expression.xml
@@ -114,4 +114,5 @@
     <sql-case id="select_with_multiset_intersect_expression" value="SELECT 
customer_id, cust_address_ntab MULTISET INTERSECT DISTINCT cust_address2_ntab 
multiset_intersect FROM customers_demo ORDER BY customer_id;" db-types="Oracle" 
/>
     <sql-case id="select_with_multiset_union_expression" value="SELECT 
customer_id, cust_address_ntab MULTISET UNION cust_address2_ntab multiset_union 
FROM customers_demo ORDER BY customer_id;" db-types="Oracle" />
     <sql-case id="select_collect_expression" value="SELECT 
CAST(COLLECT(warehouse_name ORDER BY warehouse_name) AS warehouse_name_t) 
&quot;Warehouses&quot; FROM warehouses;" db-types="Oracle" />
+    <sql-case id="select_expr_dot_expr" value="SELECT 
DBURIType('/HR/DEPARTMENTS').getXML() FROM DUAL;" db-types="Oracle" />
 </sql-cases>

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