[shardingsphere] branch master updated: postgresql modify column definition (#10175)

[menghaoran]

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menghaoran 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 1c3ef70  postgresql modify column definition (#10175)
1c3ef70 is described below

commit 1c3ef702f7af4178eb9f6b1ab184e189f0d49d92
Author: Juan Pan(Trista) <panj...@apache.org>
AuthorDate: Sat Apr 24 16:58:52 2021 +0800

    postgresql modify column definition (#10175)
---
 .../visitor/statement/impl/PostgreSQLDDLStatementSQLVisitor.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 0332497..fafcb67 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
@@ -239,7 +239,7 @@ public final class PostgreSQLDDLStatementSQLVisitor extends 
PostgreSQLStatementS
     public ASTNode visitModifyColumnSpecification(final 
ModifyColumnSpecificationContext ctx) {
         // TODO visit pk and table ref
         ColumnSegment column = (ColumnSegment) 
visit(ctx.modifyColumn().columnName());
-        DataTypeSegment dataType = (DataTypeSegment) visit(ctx.dataType());
+        DataTypeSegment dataType = null == ctx.dataType() ? null : 
(DataTypeSegment) visit(ctx.dataType());
         ColumnDefinitionSegment columnDefinition = new 
ColumnDefinitionSegment(ctx.getStart().getStartIndex(), 
ctx.getStop().getStopIndex(), column, dataType, false);
         return new 
ModifyColumnDefinitionSegment(ctx.getStart().getStartIndex(), 
ctx.getStop().getStopIndex(), columnDefinition);
     }