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Posted to notifications@shardingsphere.apache.org by ji...@apache.org on 2023/03/20 02:26:52 UTC

[shardingsphere] branch master updated: Fix mysql cast function parsing error (#24637) (#24667)

This is an automated email from the ASF dual-hosted git repository.

jianglongtao pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/shardingsphere.git


The following commit(s) were added to refs/heads/master by this push:
     new 4886d9a1878 Fix mysql cast function parsing error (#24637) (#24667)
4886d9a1878 is described below

commit 4886d9a1878a03418d3af4aa16642921d7aac10f
Author: jiangtao <ji...@gmail.com>
AuthorDate: Mon Mar 20 10:26:44 2023 +0800

    Fix mysql cast function parsing error (#24637) (#24667)
    
    * Fix mysql cast function parsing error (#24637)
    
    * Optimize code
    
    * Optimize code
---
 .../statement/impl/MySQLStatementSQLVisitor.java   | 24 +++++++++++++++++++++-
 .../resources/case/dml/select-special-function.xml | 12 +++++------
 2 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/sql-parser/dialect/mysql/src/main/java/org/apache/shardingsphere/sql/parser/mysql/visitor/statement/impl/MySQLStatementSQLVisitor.java b/sql-parser/dialect/mysql/src/main/java/org/apache/shardingsphere/sql/parser/mysql/visitor/statement/impl/MySQLStatementSQLVisitor.java
index 98f792ff75c..14536143dd7 100644
--- a/sql-parser/dialect/mysql/src/main/java/org/apache/shardingsphere/sql/parser/mysql/visitor/statement/impl/MySQLStatementSQLVisitor.java
+++ b/sql-parser/dialect/mysql/src/main/java/org/apache/shardingsphere/sql/parser/mysql/visitor/statement/impl/MySQLStatementSQLVisitor.java
@@ -129,6 +129,7 @@ import org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser.TableRe
 import org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser.TableStatementContext;
 import org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser.TemporalLiteralsContext;
 import org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser.TrimFunctionContext;
+import org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser.TypeDatetimePrecisionContext;
 import org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser.UpdateContext;
 import org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser.ValuesFunctionContext;
 import org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser.ViewNameContext;
@@ -907,7 +908,19 @@ public abstract class MySQLStatementSQLVisitor extends MySQLStatementBaseVisitor
                 result.getParameters().add((LiteralExpressionSegment) expr);
             }
         }
-        result.getParameters().add((DataTypeSegment) visit(ctx.dataType()));
+        if (null != ctx.dataType()) {
+            result.getParameters().add((DataTypeSegment) visit(ctx.dataType()));
+        }
+        if (null != ctx.DATETIME()) {
+            DataTypeSegment dataType = new DataTypeSegment();
+            dataType.setDataTypeName(ctx.DATETIME().getText());
+            dataType.setStartIndex(ctx.DATETIME().getSymbol().getStartIndex());
+            dataType.setStopIndex(ctx.DATETIME().getSymbol().getStopIndex());
+            if (null != ctx.typeDatetimePrecision()) {
+                dataType.setDataLength((DataTypeLengthSegment) visit(ctx.typeDatetimePrecision()));
+            }
+            result.getParameters().add(dataType);
+        }
         return result;
     }
     
@@ -1081,6 +1094,15 @@ public abstract class MySQLStatementSQLVisitor extends MySQLStatementBaseVisitor
         return result;
     }
     
+    @Override
+    public ASTNode visitTypeDatetimePrecision(final TypeDatetimePrecisionContext ctx) {
+        DataTypeLengthSegment result = new DataTypeLengthSegment();
+        result.setStartIndex(ctx.start.getStartIndex());
+        result.setStopIndex(ctx.stop.getStartIndex());
+        result.setPrecision(Integer.parseInt(ctx.NUMBER_().getText()));
+        return result;
+    }
+    
     @Override
     public final ASTNode visitOrderByClause(final OrderByClauseContext ctx) {
         Collection<OrderByItemSegment> items = new LinkedList<>();
diff --git a/test/it/parser/src/main/resources/case/dml/select-special-function.xml b/test/it/parser/src/main/resources/case/dml/select-special-function.xml
index 8155cf5f2d2..80ba46cc7d7 100644
--- a/test/it/parser/src/main/resources/case/dml/select-special-function.xml
+++ b/test/it/parser/src/main/resources/case/dml/select-special-function.xml
@@ -63,18 +63,18 @@
         </projections>
     </select>
     <select sql-case-id="select_cast">
-        <projections start-index="7" stop-index="42">
-            <expression-projection text="CAST(c AT TIME ZONE 'UTC' AS DATETIME)" start-index="7" stop-index="42">
+        <projections start-index="7" stop-index="44">
+            <expression-projection text="CAST(c AT TIME ZONE 'UTC' AS DATETIME)" start-index="7" stop-index="44">
                 <expr>
-                    <function function-name="CAST" start-index="7" stop-index="42" text="CAST(c AT TIME ZONE 'UTC' AS DATETIME)">
+                    <function function-name="CAST" start-index="7" stop-index="44" text="CAST(c AT TIME ZONE 'UTC' AS DATETIME)">
                         <parameter>
-                            <literal-expression value="c" start-index="12" stop-index="12" />
+                            <column name="c" start-index="12" stop-index="12" />
                         </parameter>
                         <parameter>
-                            <literal-expression value="UTC" start-index="24" stop-index="29" />
+                            <literal-expression value="UTC" start-index="27" stop-index="31" />
                         </parameter>
                         <parameter>
-                            <data-type value="DATETIME" start-index="34" stop-index="41" />
+                            <data-type value="DATETIME" start-index="36" stop-index="43" />
                         </parameter>
                     </function>
                 </expr>