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添加SQL统计功能，统计SQL中所使用的表和字段

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git-svn-id: http://code.alibabatech.com/svn/druid/trunk@266 b9813039-fb51-4c41-a8b9-e21c2acb5095
This commit is contained in:
wenshao
2011-06-21 15:18:09 +00:00
parent d8399a86ee
commit c1ddb00b26
2 changed files with 47 additions and 0 deletions
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src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlSchemaStatVisitor.java
+7
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@@ -16,6 +16,7 @@ import com.alibaba.druid.sql.ast.statement.SQLJoinTableSource;
import com.alibaba.druid.sql.ast.statement.SQLSelect;
import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.druid.sql.ast.statement.SQLSubqueryTableSource;
import com.alibaba.druid.sql.ast.statement.SQLUpdateStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlDeleteStatement;
import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlInsertStatement;
@@ -239,6 +240,12 @@ public class MySqlSchemaStatVisitor extends MySqlASTVisitorAdapter {
}
public boolean visit(SQLSelectQueryBlock x) {
if (x.getFrom() instanceof SQLSubqueryTableSource) {
x.getFrom().accept(this);
return false;
}
x.putAttribute("_original_use_mode", modeLocal.get());
modeLocal.set(Mode.Select);