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Code Issues Releases Wiki Activity

支持OracleOuter表达式

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git-svn-id: http://code.alibabatech.com/svn/druid/trunk@967 b9813039-fb51-4c41-a8b9-e21c2acb5095
This commit is contained in:
wenshao
2011-10-15 02:09:32 +00:00
parent 3be4bf5335
commit c2a16d900c
4 changed files with 51 additions and 2 deletions
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src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleExprParser.java
+21 -1
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@@ -24,6 +24,7 @@ import com.alibaba.druid.sql.ast.expr.SQLBinaryOperator;
import com.alibaba.druid.sql.ast.expr.SQLCharExpr;
import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
import com.alibaba.druid.sql.ast.expr.SQLMethodInvokeExpr;
import com.alibaba.druid.sql.ast.expr.SQLNumberExpr;
import com.alibaba.druid.sql.ast.expr.SQLPropertyExpr;
import com.alibaba.druid.sql.ast.expr.SQLVariantRefExpr;
@@ -41,6 +42,7 @@ import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleExtractExpr;
import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIntervalExpr;
import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIntervalType;
import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleIsSetExpr;
import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleOuterExpr;
import com.alibaba.druid.sql.dialect.oracle.ast.expr.OraclePriorExpr;
import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleTimestampExpr;
import com.alibaba.druid.sql.dialect.oracle.ast.stmt.OracleOrderByItem;
@@ -275,7 +277,25 @@ public class OracleExprParser extends SQLExprParser {
expr = interval;
}
return super.primaryRest(expr);
SQLExpr restExpr = super.primaryRest(expr);
if (restExpr != expr && restExpr instanceof SQLMethodInvokeExpr) {
SQLMethodInvokeExpr methodInvoke = (SQLMethodInvokeExpr) restExpr;
if (methodInvoke.getParameters().size() == 1) {
SQLExpr paramExpr = methodInvoke.getParameters().get(0);
if (paramExpr instanceof SQLIdentifierExpr && "+".equals(((SQLIdentifierExpr) paramExpr).getName())) {
OracleOuterExpr outerExpr = new OracleOuterExpr();
if (methodInvoke.getOwner() == null) {
outerExpr.setExpr(new SQLIdentifierExpr(methodInvoke.getMethodName()));
} else {
outerExpr.setExpr(new SQLPropertyExpr(methodInvoke.getOwner(), methodInvoke.getMethodName()));
}
return outerExpr;
}
}
}
return restExpr;
}
protected SQLExpr dotRest(SQLExpr expr) {