コード例 #1
0
ファイル: TestDDLParser.java プロジェクト: vchintal/teiid
  @Test
  public void testMultipleCommands2() throws Exception {
    String ddl =
        "             CREATE VIRTUAL PROCEDURE getTweets(query varchar) RETURNS (created_on varchar(25), from_user varchar(25), to_user varchar(25), \n"
            + "                 profile_image_url varchar(25), source varchar(25), text varchar(140)) AS \n"
            + "                select tweet.* from \n"
            + "	                (call twitter.invokeHTTP(action => 'GET', endpoint =>querystring('',query as \"q\"))) w, \n"
            + "	                XMLTABLE('results' passing JSONTOXML('myxml', w.result) columns \n"
            + "	                created_on string PATH 'created_at', \n"
            + "	                from_user string PATH 'from_user',\n"
            + "	                to_user string PATH 'to_user',	\n"
            + "	                profile_image_url string PATH 'profile_image_url',	\n"
            + "	                source string PATH 'source',	\n"
            + "	                text string PATH 'text') tweet;"
            + "                CREATE VIEW Tweet AS select * FROM twitterview.getTweets;";

    Schema s = helpParse(ddl, "model").getSchema();
    Map<String, Table> tableMap = s.getTables();
    Table table = tableMap.get("Tweet");
    assertNotNull(table);

    Map<String, Procedure> procedureMap = s.getProcedures();
    Procedure p = procedureMap.get("getTweets");
    assertNotNull(p);
  }
コード例 #2
0
ファイル: TestDDLParser.java プロジェクト: vchintal/teiid
  @Test
  public void testMultipleCommands() throws Exception {
    String ddl =
        "CREATE VIEW V1 AS SELECT * FROM PM1.G1 "
            + "CREATE PROCEDURE FOO(P1 integer) RETURNS (e1 integer, e2 varchar) AS SELECT * FROM PM1.G1;";

    Schema s = helpParse(ddl, "model").getSchema();
    Map<String, Table> tableMap = s.getTables();
    Table table = tableMap.get("V1");
    assertNotNull(table);
    assertEquals("SELECT * FROM PM1.G1", table.getSelectTransformation());

    Map<String, Procedure> procedureMap = s.getProcedures();
    Procedure p = procedureMap.get("FOO");
    assertNotNull(p);
    assertEquals("SELECT * FROM PM1.G1;", p.getQueryPlan());
  }
コード例 #3
0
ファイル: DDLStringVisitor.java プロジェクト: teiid/teiid
  private void visit(Schema schema) {
    boolean first = true;

    if (this.includeTables) {
      for (Table t : schema.getTables().values()) {
        if (first) {
          first = false;
        } else {
          append(NEWLINE);
          append(NEWLINE);
        }
        visit(t);
      }
    }

    if (this.includeProcedures) {
      for (Procedure p : schema.getProcedures().values()) {
        if (first) {
          first = false;
        } else {
          append(NEWLINE);
          append(NEWLINE);
        }
        visit(p);
      }
    }

    if (this.includeFunctions) {
      for (FunctionMethod f : schema.getFunctions().values()) {
        if (first) {
          first = false;
        } else {
          append(NEWLINE);
          append(NEWLINE);
        }
        visit(f);
      }
    }
  }
コード例 #4
0
  private static void buildFunctionImports(MetadataStore metadataStore, List<Builder> edmSchemas) {
    for (Schema schema : metadataStore.getSchemaList()) {

      EdmSchema.Builder odataSchema = findSchema(edmSchemas, schema.getName());
      EdmEntityContainer.Builder entityContainer =
          findEntityContainer(edmSchemas, schema.getName());

      // procedures
      for (Procedure proc : schema.getProcedures().values()) {
        EdmFunctionImport.Builder edmProcedure = EdmFunctionImport.newBuilder();
        edmProcedure.setName(proc.getName());
        String httpMethod = "POST";

        for (ProcedureParameter pp : proc.getParameters()) {
          if (pp.getName().equals("return")) {
            httpMethod = "GET";
            edmProcedure.setReturnType(
                ODataTypeManager.odataType(pp.getDatatype().getRuntimeTypeName()));
            continue;
          }

          EdmFunctionParameter.Builder param = EdmFunctionParameter.newBuilder();
          param.setName(pp.getName());
          param.setType(ODataTypeManager.odataType(pp.getDatatype().getRuntimeTypeName()));

          if (pp.getType() == ProcedureParameter.Type.In) {
            param.setMode(Mode.In);
          } else if (pp.getType() == ProcedureParameter.Type.InOut) {
            param.setMode(Mode.InOut);
          } else if (pp.getType() == ProcedureParameter.Type.Out) {
            param.setMode(Mode.Out);
          }

          param.setNullable(pp.getNullType() == NullType.Nullable);
          edmProcedure.addParameters(param);
        }

        // add a complex type for return resultset.
        ColumnSet<Procedure> returnColumns = proc.getResultSet();
        if (returnColumns != null) {
          httpMethod = "GET";
          EdmComplexType.Builder complexType = EdmComplexType.newBuilder();
          complexType.setName(proc.getName() + "_" + returnColumns.getName());
          complexType.setNamespace(schema.getName());
          for (Column c : returnColumns.getColumns()) {
            EdmProperty.Builder property =
                EdmProperty.newBuilder(c.getName())
                    .setType(ODataTypeManager.odataType(c.getDatatype().getRuntimeTypeName()))
                    .setNullable(c.getNullType() == NullType.Nullable);
            if (c.getDatatype()
                .getRuntimeTypeName()
                .equals(DataTypeManager.DefaultDataTypes.STRING)) {
              property
                  .setFixedLength(c.isFixedLength())
                  .setMaxLength(c.getLength())
                  .setUnicode(true);
            }
            complexType.addProperties(property);
          }
          odataSchema.addComplexTypes(complexType);
          edmProcedure.setIsCollection(true);
          edmProcedure.setReturnType(
              EdmCollectionType.newBuilder()
                  .setCollectionType(complexType)
                  .setKind(CollectionKind.Collection));
        }
        edmProcedure.setHttpMethod(httpMethod);
        entityContainer.addFunctionImports(edmProcedure);
      }
    }
  }