Alawn/Druid
1
0
Fork 0
mirror of https://github.com/alibaba/druid.git synced 2023-03-04 19:17:16 +00:00
Code Issues Releases Wiki Activity

improve sql parser

Browse Source
This commit is contained in:
wenshao
2013-03-27 18:21:08 +08:00
parent 255232a8a3
commit 4d85e96301
24 changed files with 597 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/main/java/com/alibaba/druid/sql/ast/statement/SQLJoinTableSource.java
+21 -13
View File
@@ -15,17 +15,21 @@
*/
package com.alibaba.druid.sql.ast.statement;
import java.util.ArrayList;
import java.util.List;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
public class SQLJoinTableSource extends SQLTableSourceImpl {
private static final long serialVersionUID = 1L;
private static final long serialVersionUID = 1L;
protected SQLTableSource left;
protected JoinType joinType;
protected SQLTableSource right;
protected SQLExpr condition;
protected SQLTableSource left;
protected JoinType joinType;
protected SQLTableSource right;
protected SQLExpr condition;
protected final List<SQLExpr> using = new ArrayList<SQLExpr>();
public SQLJoinTableSource(String alias){
super(alias);
@@ -40,6 +44,7 @@ public class SQLJoinTableSource extends SQLTableSourceImpl {
acceptChild(visitor, this.left);
acceptChild(visitor, this.right);
acceptChild(visitor, this.condition);
acceptChild(visitor, this.using);
}
visitor.endVisit(this);
@@ -77,6 +82,10 @@ public class SQLJoinTableSource extends SQLTableSourceImpl {
this.condition = condition;
}
public List<SQLExpr> getUsing() {
return this.using;
}
public void output(StringBuffer buf) {
this.left.output(buf);
buf.append(' ');
@@ -91,15 +100,13 @@ public class SQLJoinTableSource extends SQLTableSourceImpl {
}
public static enum JoinType {
COMMA(","), //
COMMA(","), //
JOIN("JOIN"), //
INNER_JOIN("INNER JOIN"), //
CROSS_JOIN("CROSS JOIN"), //
NATURAL_JOIN("NATURAL JOIN"), //
NATURAL_INNER_JOIN("NATURAL INNER JOIN"), //
LEFT_OUTER_JOIN("LEFT JOIN"),
RIGHT_OUTER_JOIN("RIGHT JOIN"),
FULL_OUTER_JOIN("FULL JOIN"),
INNER_JOIN("INNER JOIN"), //
CROSS_JOIN("CROSS JOIN"), //
NATURAL_JOIN("NATURAL JOIN"), //
NATURAL_INNER_JOIN("NATURAL INNER JOIN"), //
LEFT_OUTER_JOIN("LEFT JOIN"), RIGHT_OUTER_JOIN("RIGHT JOIN"), FULL_OUTER_JOIN("FULL JOIN"),
STRAIGHT_JOIN("STRAIGHT_JOIN");
public final String name;
@@ -107,6 +114,7 @@ public class SQLJoinTableSource extends SQLTableSourceImpl {
JoinType(String name){
this.name = name;
}
public static String toString(JoinType joinType) {
return joinType.name;
}