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Code Issues Releases Wiki Activity

refactor sql parser.

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This commit is contained in:
wenshao
2017-08-30 17:06:58 +08:00
parent 99fe9112b4
commit 956edd618d
2 changed files with 19 additions and 11 deletions
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src/main/java/com/alibaba/druid/sql/visitor/SchemaStatVisitor.java
+18 -10
View File
@@ -534,8 +534,8 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
break;
}
left.accept(this);
right.accept(this);
statExpr(left);
statExpr(right);
return false;
}
@@ -1417,7 +1417,9 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
repository.resolve(x);
}
return true;
visit(x.getSelect());
return false;
}
public void endVisit(SQLSelectStatement x) {
@@ -1602,14 +1604,20 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
}
public boolean visit(SQLSelect x) {
if (x.getOrderBy() != null) {
x.getOrderBy().setParent(x);
SQLWithSubqueryClause with = x.getWithSubQuery();
if (with != null) {
with.accept(this);
}
accept(x.getWithSubQuery());
accept(x.getQuery());
SQLSelectQuery query = x.getQuery();
if (query != null) {
query.accept(this);
}
accept(x.getOrderBy());
SQLOrderBy orderBy = x.getOrderBy();
if (orderBy != null) {
accept(x.getOrderBy());
}
return false;
@@ -2315,8 +2323,8 @@ public class SchemaStatVisitor extends SQLASTVisitorAdapter {
visit((SQLPropertyExpr) x);
// } else if (clazz == SQLAggregateExpr.class) {
// visit((SQLAggregateExpr) x);
// } else if (clazz == SQLBinaryOpExpr.class) {
// visit((SQLBinaryOpExpr) x);
} else if (clazz == SQLBinaryOpExpr.class) {
visit((SQLBinaryOpExpr) x);
// } else if (clazz == SQLCharExpr.class) {
// visit((SQLCharExpr) x);
// } else if (clazz == SQLNullExpr.class) {
src/test/java/com/alibaba/druid/benckmark/sql/MySqlParameterizedBenchmark.java
+1 -1
View File
@@ -38,7 +38,7 @@ public class MySqlParameterizedBenchmark extends TestCase {
// perf_parse(sql3); // 9174 5875 5805 5536 5717
// perf_parse(sql4); // 2953 2502
perf_stat(sql); // 11793 13628 13561 13259 9946 7637
perf_stat(sql); // 11793 13628 13561 13259 9946 7637 7444 7389
// perf_resolve(sql); // 4970 4586 3600
}