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Code Issues Releases Wiki Activity

improved sql parser support CreateView

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This commit is contained in:
shaojin.wensj
2015-07-06 00:51:09 +08:00
parent ee0a32e0c7
commit 68c5630cd1
6 changed files with 247 additions and 21 deletions
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src/main/java/com/alibaba/druid/sql/ast/statement/SQLCreateViewStatement.java
+71 -9
View File
@@ -20,25 +20,31 @@ import java.util.List;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.ast.SQLObjectImpl;
import com.alibaba.druid.sql.ast.SQLStatementImpl;
import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
import com.alibaba.druid.sql.ast.expr.SQLLiteralExpr;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
public class SQLCreateViewStatement extends SQLStatementImpl implements SQLDDLStatement {
private boolean orReplace = false;
protected SQLName name;
protected SQLSelect subQuery;
private boolean orReplace = false;
protected SQLName name;
protected SQLSelect subQuery;
protected boolean ifNotExists = false;
protected final List<SQLExpr> columns = new ArrayList<SQLExpr>();
protected final List<Column> columns = new ArrayList<Column>();
private Level with;
private Level with;
private SQLLiteralExpr comment;
public SQLCreateViewStatement(){
}
public SQLCreateViewStatement(String dbType){
super (dbType);
super(dbType);
}
public boolean isOrReplace() {
@@ -73,10 +79,29 @@ public class SQLCreateViewStatement extends SQLStatementImpl implements SQLDDLSt
this.subQuery = subQuery;
}
public List<SQLExpr> getColumns() {
public List<Column> getColumns() {
return columns;
}
public boolean isIfNotExists() {
return ifNotExists;
}
public void setIfNotExists(boolean ifNotExists) {
this.ifNotExists = ifNotExists;
}
public SQLLiteralExpr getComment() {
return comment;
}
public void setComment(SQLLiteralExpr comment) {
if (comment != null) {
comment.setParent(this);
}
this.comment = comment;
}
public void output(StringBuffer buf) {
buf.append("CREATE VIEW ");
this.name.output(buf);
@@ -106,12 +131,49 @@ public class SQLCreateViewStatement extends SQLStatementImpl implements SQLDDLSt
if (visitor.visit(this)) {
acceptChild(visitor, this.name);
acceptChild(visitor, this.columns);
acceptChild(visitor, this.comment);
acceptChild(visitor, this.subQuery);
}
visitor.endVisit(this);
}
public static enum Level {
CASCADED, LOCAL
CASCADED, LOCAL
}
public static class Column extends SQLObjectImpl {
private SQLExpr expr;
private SQLCharExpr comment;
public SQLExpr getExpr() {
return expr;
}
public void setExpr(SQLExpr expr) {
if (expr != null) {
expr.setParent(this);
}
this.expr = expr;
}
public SQLCharExpr getComment() {
return comment;
}
public void setComment(SQLCharExpr comment) {
if (comment != null) {
comment.setParent(this);
}
this.comment = comment;
}
@Override
protected void accept0(SQLASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, expr);
acceptChild(visitor, comment);
}
}
}
}