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Code Issues Releases Wiki Activity

bug fixed for schema stat

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温少
2012-02-23 12:53:21 +08:00
parent 97ecbaefe2
commit d2066d8acf
12 changed files with 320 additions and 37 deletions
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src/main/java/com/alibaba/druid/sql/visitor/SchemaStatVisitor.java
+14 -2
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@@ -162,7 +162,13 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
SQLExprTableSource tableSource = (SQLExprTableSource) x.getFrom();
if (tableSource.getExpr() instanceof SQLName) {
String ident = tableSource.getExpr().toString();
currentTableLocal.set(ident);
Map<String, String> aliasMap = aliasLocal.get();
if (aliasMap.containsKey(ident) && aliasMap.get(ident) == null) {
currentTableLocal.set(null);
} else {
currentTableLocal.set(ident);
}
x.putAttribute("_old_local_", originalTable);
}
}
@@ -260,6 +266,13 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
public boolean visit(SQLExprTableSource x) {
if (isSimpleExprTableSource(x)) {
String ident = x.getExpr().toString();
Map<String, String> aliasMap = aliasLocal.get();
if (aliasMap.containsKey(ident) && aliasMap.get(ident) == null) {
return false;
}
TableStat stat = tableStats.get(ident);
if (stat == null) {
stat = new TableStat();
@@ -284,7 +297,6 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
break;
}
Map<String, String> aliasMap = aliasLocal.get();
if (aliasMap != null) {
if (x.getAlias() != null) {
aliasMap.put(x.getAlias(), ident);