Fix further issues in bug 3042937 by no longer enclosing formula of calculated

member and set in single quotes. Also, indent formulas for readability.


git-svn-id: https://olap4j.svn.sourceforge.net/svnroot/olap4j/trunk@349 c6a108a4-781c-0410-a6c6-c2d559e19af0

Author: julianhyde

src/org/olap4j/mdx/IdentifierNode.java

@@ -12,8 +12,6 @@
 import java.util.AbstractList;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import org.olap4j.impl.*;
 import org.olap4j.type.Type;
@@ -165,11 +163,7 @@ public <T> T accept(ParseTreeVisitor<T> visitor) {
     }
 
     public void unparse(ParseTreeWriter writer) {
-        String str = toString();
-        if(writer.isInsideSingleQuote()) {
-            str = str.replace("'", "''");
-        }
-        writer.getPrintWriter().print(str);
+        writer.getPrintWriter().print(this);
     }
 
     public String toString() {

src/org/olap4j/mdx/ParseTreeWriter.java

@@ -41,7 +41,6 @@ public class ParseTreeWriter {
     private final PrintWriter pw;
     private int linePrefixLength;
     private String linePrefix;
-    private boolean isInsideSingleQuote;
 
     private static final int INDENT = 4;
     private static String bigString = "                ";
@@ -113,14 +112,6 @@ private static synchronized String spaces(int n)
         }
         return bigString.substring(0, n);
     }
-
-    boolean isInsideSingleQuote() {
-      return isInsideSingleQuote;
-    }
-
-    void setInsideSingleQuote(boolean isInsideSingleQuote) {
-      this.isInsideSingleQuote = isInsideSingleQuote;
-    }
 }
 
 // End ParseTreeWriter.java

src/org/olap4j/mdx/WithMemberNode.java

@@ -62,20 +62,18 @@ public void unparse(ParseTreeWriter writer) {
         PrintWriter pw = writer.getPrintWriter();
         pw.print("MEMBER ");
         name.unparse(writer);
-        pw.print(" AS '");
-        writer.setInsideSingleQuote(true);
-        try {
-            expression.unparse(writer);
-        } finally {
-            writer.setInsideSingleQuote(false);
-        }
-        pw.print("'");
+        writer.indent();
+        pw.println(" AS");
+        // The MDX language, and olap4j's parser, allows formulas in calculated
+        // members and sets to be specified with and without single quotes.
+        expression.unparse(writer);
         if (memberPropertyList != null) {
             for (PropertyValueNode memberProperty : memberPropertyList) {
                 pw.print(", ");
                 memberProperty.unparse(writer);
             }
         }
+        writer.outdent();
     }
 
     /**

src/org/olap4j/mdx/WithSetNode.java

@@ -54,9 +54,10 @@ public void unparse(ParseTreeWriter writer) {
         PrintWriter pw = writer.getPrintWriter();
         pw.print("SET ");
         name.unparse(writer);
-        pw.print(" AS '");
+        writer.indent();
+        pw.println(" AS");
         expression.unparse(writer);
-        pw.print("'");
+        writer.outdent();
     }
 
     /**

testsrc/org/olap4j/mdx/MdxTest.java

@@ -116,10 +116,12 @@ public void testParseIdentifier() {
 
     /**
      * Tests that escaped single quotes ('') nested inside a quoted
-     * part of a query are unparsed as escaped quotes as well.
+     * part of a query are handled correctly. The MDX language allows
+     * expressions for calculated members and sets to be specified with and
+     * without single quotes; the unparser generates expressions without quotes.
      */
     public void testQuoteEscaping() {
-        final String query =
+        String query =
             "WITH\n"
             + "MEMBER [CustomerDim].[CustomerName].[XL_QZX] AS 'Aggregate"
             + "({[CustomerDim].[CustomerName].&[ABC INT''L],"
@@ -129,8 +131,29 @@ public void testQuoteEscaping() {
             + "FROM [cube]\n"
             + "WHERE ([CustomerDim].[CustomerName].[XL_QZX])";
         final MdxParser parser = new DefaultMdxParserImpl();
-        final SelectNode rootNode = parser.parseSelect(query);
-        assertEquals(query,TestContext.unfold(rootNode.toString()));
+        SelectNode rootNode = parser.parseSelect(query);
+        TestContext.assertEqualsVerbose(
+            "WITH\n"
+            + "MEMBER [CustomerDim].[CustomerName].[XL_QZX] AS\n"
+            + "    Aggregate({[CustomerDim].[CustomerName].&[ABC INT'L], [CustomerDim].[CustomerName].&[XYZ]})\n"
+            + "SELECT\n"
+            + "{[Measures].[Sales]} ON COLUMNS\n"
+            + "FROM [cube]\n"
+            + "WHERE ([CustomerDim].[CustomerName].[XL_QZX])",
+            rootNode.toString());
+
+        // Now named set
+        query =
+            "WITH SET Foo as Filter(Bar.Members, Instr(Name, \"'\") > 0)\n"
+            + "SELECT FROM [Cube]";
+        rootNode = parser.parseSelect(query);
+        TestContext.assertEqualsVerbose(
+            "WITH\n"
+            + "SET Foo AS\n"
+            + "    Filter(Bar.Members, (Instr(Name, \"'\") > 0.0))\n"
+            + "SELECT\n"
+            + "FROM [Cube]",
+            rootNode.toString());
     }
 }