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Code Issues Releases Wiki Activity

improved odps sql formmatter

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This commit is contained in:
shaojin.wensj
2015-07-28 23:33:01 +08:00
parent 3de275fa8c
commit 9d45ec9d12
4 changed files with 64 additions and 4 deletions
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src/main/java/com/alibaba/druid/sql/dialect/odps/visitor/OdpsOutputVisitor.java
+30 -2
View File
@@ -15,7 +15,9 @@
*/
package com.alibaba.druid.sql.dialect.odps.visitor;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import com.alibaba.druid.sql.ast.SQLDataType;
import com.alibaba.druid.sql.ast.SQLHint;
@@ -49,7 +51,24 @@ import com.alibaba.druid.sql.dialect.odps.ast.OdpsUDTFSQLSelectItem;
import com.alibaba.druid.sql.visitor.SQLASTOutputVisitor;
public class OdpsOutputVisitor extends SQLASTOutputVisitor implements OdpsASTVisitor {
private Set<String> builtInFunctions = new HashSet<String>();
{
builtInFunctions.add("IF");
builtInFunctions.add("COALESCE");
builtInFunctions.add("TO_DATE");
builtInFunctions.add("SUBSTR");
builtInFunctions.add("INSTR");
builtInFunctions.add("LENGTH");
builtInFunctions.add("SPLIT");
builtInFunctions.add("TOLOWER");
builtInFunctions.add("TOUPPER");
builtInFunctions.add("EXPLODE");
builtInFunctions.add("LEAST");
builtInFunctions.add("GREATEST");
}
public OdpsOutputVisitor(Appendable appender){
super(appender);
}
@@ -683,7 +702,7 @@ public class OdpsOutputVisitor extends SQLASTOutputVisitor implements OdpsASTVis
x.getOwner().accept(this);
print(":");
}
print(x.getMethodName());
printFunctionName(x.getMethodName());
print("(");
printAndAccept(x.getParameters(), ", ");
print(")");
@@ -712,4 +731,13 @@ public class OdpsOutputVisitor extends SQLASTOutputVisitor implements OdpsASTVis
return false;
}
protected void printFunctionName(String name) {
String upperName = name.toUpperCase();
if (builtInFunctions.contains(upperName)) {
print(upperName);
} else {
print(name);
}
}
}
src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
+5 -1
View File
@@ -562,12 +562,16 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Printab
x.getOwner().accept(this);
print(".");
}
print(x.getMethodName());
printFunctionName(x.getMethodName());
print("(");
printAndAccept(x.getParameters(), ", ");
print(")");
return false;
}
protected void printFunctionName(String name) {
print(name);
}
public boolean visit(SQLAggregateExpr x) {
print(x.getMethodName());