ajantha-bhat commented on a change in pull request #3773:
URL: https://github.com/apache/carbondata/pull/3773#discussion_r466313217



##########
File path: 
integration/presto/src/test/scala/org/apache/carbondata/presto/integrationtest/GenerateFiles.scala
##########
@@ -0,0 +1,667 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.carbondata.presto.integrationtest
+
+import java.io.{ByteArrayInputStream, ByteArrayOutputStream, DataInputStream, 
File, InputStream}
+import java.util
+
+import scala.collection.JavaConverters._
+
+import org.apache.avro
+import org.apache.avro.file.DataFileWriter
+import org.apache.avro.generic.{GenericDatumReader, GenericDatumWriter, 
GenericRecord}
+import org.apache.avro.io.{DecoderFactory, Encoder}
+import org.junit.Assert
+
+import org.apache.carbondata.core.cache.dictionary.DictionaryByteArrayWrapper
+import org.apache.carbondata.core.constants.CarbonCommonConstants
+import org.apache.carbondata.core.datastore.block.TableBlockInfo
+import org.apache.carbondata.core.datastore.chunk.impl.DimensionRawColumnChunk
+import 
org.apache.carbondata.core.datastore.chunk.reader.CarbonDataReaderFactory
+import 
org.apache.carbondata.core.datastore.chunk.reader.dimension.v3.DimensionChunkReaderV3
+import org.apache.carbondata.core.datastore.compression.CompressorFactory
+import org.apache.carbondata.core.datastore.filesystem.{CarbonFile, 
CarbonFileFilter}
+import org.apache.carbondata.core.datastore.impl.FileFactory
+import 
org.apache.carbondata.core.datastore.page.encoding.DefaultEncodingFactory
+import org.apache.carbondata.core.metadata.ColumnarFormatVersion
+import org.apache.carbondata.core.util.{CarbonMetadataUtil, 
DataFileFooterConverterV3}
+import org.apache.carbondata.sdk.file.CarbonWriter
+
+class GenerateFiles {
+
+  def singleLevelArrayFile() = {
+    val json1: String =
+      """ {"stringCol": "bob","intCol": 14,"doubleCol": 10.5,"realCol": 12.7,
+        |"boolCol": true,"arrayStringCol1":["Street1"],"arrayStringCol2": 
["India", "Egypt"],
+        |"arrayIntCol": 
[1,2,3],"arrayBigIntCol":[70000,600000000],"arrayRealCol":[1.111,2.2],
+        |"arrayDoubleCol":[1.1,2.2,3.3], "arrayBooleanCol": [true, false, 
true]} """.stripMargin
+    val json2: String =
+      """ {"stringCol": "Alex","intCol": 15,"doubleCol": 11.5,"realCol": 13.7,
+        |"boolCol": true, "arrayStringCol1": ["Street1", 
"Street2"],"arrayStringCol2": ["Japan",
+        |"China", "India"],"arrayIntCol": 
[1,2,3,4],"arrayBigIntCol":[70000,600000000,8000],
+        |"arrayRealCol":[1.1,2.2,3.3],"arrayDoubleCol":[1.1,2.2,4.45,3.3],
+        |"arrayBooleanCol": [true, true, true]} """.stripMargin
+    val json3: String =
+      """ {"stringCol": "Rio","intCol": 16,"doubleCol": 12.5,"realCol": 14.7,
+        |"boolCol": true, "arrayStringCol1": ["Street1", "Street2","Street3"],
+        |"arrayStringCol2": ["China", "Brazil", "Paris", 
"France"],"arrayIntCol": [1,2,3,4,5],
+        
|"arrayBigIntCol":[70000,600000000,8000,9111111111],"arrayRealCol":[1.1,2.2,3.3,4.45],
+        |"arrayDoubleCol":[1.1,2.2,4.45,5.5,3.3], "arrayBooleanCol": [true, 
false, true]} """
+        .stripMargin
+    val json4: String =
+      """ {"stringCol": "bob","intCol": 14,"doubleCol": 10.5,"realCol": 12.7,
+        |"boolCol": true, "arrayStringCol1":["Street1"],"arrayStringCol2": 
["India", "Egypt"],
+        |"arrayIntCol": 
[1,2,3],"arrayBigIntCol":[70000,600000000],"arrayRealCol":[1.1,2.2],
+        |"arrayDoubleCol":[1.1,2.2,3.3], "arrayBooleanCol": [true, false, 
true]} """.stripMargin
+    val json5: String =
+      """ {"stringCol": "Alex","intCol": 15,"doubleCol": 11.5,"realCol": 13.7,
+        |"boolCol": true, "arrayStringCol1": ["Street1", 
"Street2"],"arrayStringCol2": ["Japan",
+        |"China", "India"],"arrayIntCol": 
[1,2,3,4],"arrayBigIntCol":[70000,600000000,8000],
+        |"arrayRealCol":[1.1,2.2,3.3],"arrayDoubleCol":[4,1,21.222,15.231],
+        |"arrayBooleanCol": [false, false, false]} """.stripMargin
+
+
+    val mySchema =
+      """ {
+        |      "name": "address",
+        |      "type": "record",
+        |      "fields": [
+        |      {
+        |      "name": "stringCol",
+        |      "type": "string"
+        |      },
+        |      {
+        |      "name": "intCol",
+        |      "type": "int"
+        |      },
+        |      {
+        |      "name": "doubleCol",
+        |      "type": "double"
+        |      },
+        |      {
+        |      "name": "realCol",
+        |      "type": "float"
+        |      },
+        |      {
+        |      "name": "boolCol",
+        |      "type": "boolean"
+        |      },
+        |      {
+        |      "name": "arrayStringCol1",
+        |      "type": {
+        |      "type": "array",
+        |      "items": {
+        |      "name": "street",
+        |      "type": "string"
+        |      }
+        |      }
+        |      },
+        |      {
+        |      "name": "arrayStringCol2",
+        |      "type": {
+        |      "type": "array",
+        |      "items": {
+        |      "name": "street",
+        |      "type": "string"
+        |      }
+        |      }
+        |      },
+        |      {
+        |      "name": "arrayIntCol",
+        |      "type": {
+        |      "type": "array",
+        |      "items": {
+        |      "name": "street",
+        |      "type": "int"
+        |      }
+        |      }
+        |      },
+        |      {
+        |      "name": "arrayBigIntCol",
+        |      "type": {
+        |      "type": "array",
+        |      "items": {
+        |      "name": "street",
+        |      "type": "long"
+        |      }
+        |      }
+        |      },
+        |      {
+        |      "name": "arrayRealCol",
+        |      "type": {
+        |      "type": "array",
+        |      "items": {
+        |      "name": "street",
+        |      "type": "float"
+        |      }
+        |      }
+        |      },
+        |      {
+        |      "name": "arrayDoubleCol",
+        |      "type": {
+        |      "type": "array",
+        |      "items": {
+        |      "name": "street",
+        |      "type": "double"
+        |      }
+        |      }
+        |      },
+        |      {
+        |      "name": "arrayBooleanCol",
+        |      "type": {
+        |      "type": "array",
+        |      "items": {
+        |      "name": "street",
+        |      "type": "boolean"
+        |      }
+        |      }
+        |      }
+        |      ]
+        |  }
+                   """.stripMargin
+
+    val nn = new avro.Schema.Parser().parse(mySchema)
+    val record1 = testUtil.jsonToAvro(json1, mySchema)
+    val record2 = testUtil.jsonToAvro(json2, mySchema)
+    val record3 = testUtil.jsonToAvro(json3, mySchema)
+    val record4 = testUtil.jsonToAvro(json4, mySchema)
+    val record5 = testUtil.jsonToAvro(json5, mySchema)
+    var writerPath = new File(this.getClass.getResource("/").getPath
+                              + "../../target/store/sdk_output/files")
+      .getCanonicalPath
+    //getCanonicalPath gives path with \, but the code expects /.
+    writerPath = writerPath.replace("\\", "/")
+    try {
+      val writer = CarbonWriter.builder
+        .outputPath(writerPath)
+        .enableLocalDictionary(false)
+        .uniqueIdentifier(System.currentTimeMillis())
+        .withAvroInput(nn)
+        .writtenBy("GenerateFiles")
+        .build()
+      writer.write(record1)
+      writer.write(record2)
+      writer.write(record3)
+      writer.write(record4)
+      writer.write(record5)
+      writer.close()
+    } catch {
+      case e: Exception =>
+        e.printStackTrace()
+        Assert.fail(e.getMessage)
+    }
+  }
+
+  def twoLevelArrayFile() = {
+    val json1 =
+      """   {
+        |         "arrayArrayInt": [[1,2,3], [4,5]],
+        |         "arrayArrayBigInt":[[90000,600000000],[8000],[911111111]],
+        |         "arrayArrayReal":[[1.111,2.2], [9.139,2.98]],
+        |         "arrayArrayDouble":[[1.111,2.2], [9.139,2.98989898]],
+        |         "arrayArrayString":[["Japan", "China"], ["India"]],
+        |         "arrayArrayBoolean":[[false, false], [false]]
+        |        }   """.stripMargin
+    val json2 =
+      """   {
+        |         "arrayArrayInt": [[1,2,3], [0,5], [1,2,3,4,5], [4,5]],
+        |         "arrayArrayBigInt":[[40000, 600000000, 8000],[9111111111]],
+        |         "arrayArrayReal":[[1.111, 2.2], [9.139, 2.98], [9.99]],
+        |         "arrayArrayDouble":[[1.111, 2.2],[9.139777, 2.98],[9.99888]],
+        |         "arrayArrayString":[["China", "Brazil"], ["Paris", 
"France"]],
+        |         "arrayArrayBoolean":[[false], [true, false]]
+        |        }   """.stripMargin
+    val json3 =
+      """   {
+        |         "arrayArrayInt": [[1], [0], [3], [4,5]],
+        |         
"arrayArrayBigInt":[[5000],[600000000],[8000,9111111111],[20000],[600000000,
+        |         8000,9111111111]],
+        |         "arrayArrayReal":[[9.198]],
+        |         "arrayArrayDouble":[[0.1987979]],
+        |         "arrayArrayString":[["Japan", "China", "India"]],
+        |         "arrayArrayBoolean":[[false, true, false]]
+        |        }   """.stripMargin
+    val json4 =
+      """   {
+        |         "arrayArrayInt": [[0,9,0,1,3,2,3,4,7]],
+        |         "arrayArrayBigInt":[[5000, 600087000, 8000, 9111111111, 
20000, 600000000, 8000,
+        |          977777]],
+        |         "arrayArrayReal":[[1.111, 2.2], [9.139, 2.98, 4.67], [2.91, 
2.2], [9.139, 2.98]],
+        |         "arrayArrayDouble":[[1.111, 2.0, 4.67, 2.91, 2.2, 9.139, 
2.98]],
+        |         "arrayArrayString":[["Japan"], ["China"], ["India"]],
+        |         "arrayArrayBoolean":[[false], [true], [false]]
+        |        }   """.stripMargin
+
+    val mySchema =
+      """ {
+        |      "name": "address",
+        |      "type": "record",
+        |      "fields": [
+        |  {
+        |                      "name": "arrayArrayInt",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "name": "FloorNum",
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                                      "name": 
"EachdoorNums",
+        |                                                      "type": "int"
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "arrayArrayBigInt",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "name": "FloorNum",
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                                      "name": 
"EachdoorNums",
+        |                                                      "type": "long"
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "arrayArrayReal",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "name": "FloorNum",
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                                      "name": 
"EachdoorNums",
+        |                                                      "type": "float"
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "arrayArrayDouble",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "name": "FloorNum",
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                                      "name": 
"EachdoorNums",
+        |                                                      "type": "double"
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "arrayArrayString",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "name": "FloorNum",
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                                      "name": 
"EachdoorNums",
+        |                                                      "type": "string"
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "arrayArrayBoolean",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "name": "FloorNum",
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                                      "name": 
"EachdoorNums",
+        |                                                      "type": 
"boolean"
+        |                                              }
+        |                              }
+        |                      }
+        |              }
+        |      ]
+        |} """.stripMargin
+
+    val nn = new avro.Schema.Parser().parse(mySchema)
+    val record1 = testUtil.jsonToAvro(json1, mySchema)
+    val record2 = testUtil.jsonToAvro(json2, mySchema)
+    val record3 = testUtil.jsonToAvro(json3, mySchema)
+    val record4 = testUtil.jsonToAvro(json4, mySchema)
+    var writerPath = new File(this.getClass.getResource("/").getPath
+                              + "../../target/store/sdk_output/files2")
+      .getCanonicalPath
+    //getCanonicalPath gives path with \, but the code expects /.
+    writerPath = writerPath.replace("\\", "/")
+    try {
+      val writer = CarbonWriter.builder
+        .outputPath(writerPath)
+        .enableLocalDictionary(false)
+        .uniqueIdentifier(System.currentTimeMillis())
+        .withAvroInput(nn)
+        .writtenBy("GenerateFiles")
+        .build()
+      writer.write(record1)
+      writer.write(record2)
+      writer.write(record3)
+      writer.write(record4)
+      writer.close()
+    } catch {
+      case e: Exception =>
+        e.printStackTrace()
+        Assert.fail(e.getMessage)
+    }
+  }
+
+  def threeLevelArrayFile() = {
+    val json1 =
+      """ {
+        | "array3_Int": [[[1,2,3], [4,5]], [[6,7,8], [9]], [[1,2], [4,5]]],
+        | "array3_BigInt":[[[90000,600000000],[8000]],[[911111111]]],
+        | "array3_Real":[[[1.111,2.2], [9.139,2.98]]],
+        | "array3_Double":[[[1.111,2.2]], [[9.139,2.98989898]]],
+        | "array3_String":[[["Japan", "China"], ["Brazil", "Paris"]], 
[["India"]]],
+        | "array3_Boolean":[[[false, false], [false]], [[true]]]
+        | } """.stripMargin
+    val json2 =
+      """ {
+        | "array3_Int": [[[1,2,3], [0,5], [1,2,3,4,5], [4,5]]],
+        | "array3_BigInt":[[[40000,600000000,8000],[9111111111]]],
+        | "array3_Real":[[[1.111,2.2], [9.139,2.98]], [[9.99]]],
+        | "array3_Double":[[[1.111,2.2], [9.139777,2.98]], [[9.99888]]],
+        | "array3_String":[[["China", "Brazil"], ["Paris", "France"]]],
+        | "array3_Boolean":[[[false], [true, false]]]
+        | } """.stripMargin
+    val json3 =
+      """ {
+        | "array3_Int": [[[1],[0],[3]],[[4,5]]],
+        | 
"array3_BigInt":[[[5000],[600000000],[8000,9111111111],[20000],[600000000,8000,
+        | 9111111111]]],
+        | "array3_Real":[[[9.198]]],
+        | "array3_Double":[[[0.1987979]]],
+        | "array3_String":[[["Japan", "China", "India"]]],
+        | "array3_Boolean":[[[false, true, false]]]
+        | } """.stripMargin
+    val json4 =
+      """ {
+        | "array3_Int": [[[0,9,0,1,3,2,3,4,7]]],
+        | 
"array3_BigInt":[[[5000,600087000,8000,9111111111,20000,600000000,8000,977777]]],
+        | "array3_Real":[[[1.111,2.2], [9.139,2.98,4.67]], [[2.91,2.2], 
[9.139,2.98]]],
+        | "array3_Double":[[[1.111,2,4.67, 2.91,2.2, 9.139,2.98]]],
+        | "array3_String":[[["Japan"], ["China"], ["India"]]],
+        | "array3_Boolean":[[[false], [true], [false]]]
+        | } """.stripMargin
+
+    val mySchema =
+      """ {
+        |      "name": "address",
+        |      "type": "record",
+        |      "fields": [
+        |  {
+        |                      "name": "array3_Int",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                      "type": "array",
+        |                      "items": {
+        |                                                      "type": "int"
+        |              }
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "array3_BigInt",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                      "type": "array",
+        |                      "items": {
+        |                                                      "type": "long"
+        |              }
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "array3_Real",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                      "type": "array",
+        |                      "items": {
+        |                                                      "type": "float"
+        |              }
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "array3_Double",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                      "type": "array",
+        |                      "items": {
+        |                                                      "type": "double"
+        |              }
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "array3_String",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                      "type": "array",
+        |                      "items": {
+        |                                                      "type": "string"
+        |              }
+        |                                              }
+        |                              }
+        |                      }
+        |              },
+        |  {
+        |                      "name": "array3_Boolean",
+        |                      "type": {
+        |                              "type": "array",
+        |                              "items": {
+        |                                      "type": "array",
+        |                                      "items": {
+        |                                      "type": "array",
+        |                      "items": {
+        |                                                      "type": 
"boolean"
+        |              }
+        |                                              }
+        |                              }
+        |                      }
+        |              }
+        |      ]
+        |} """.stripMargin
+
+    val nn = new avro.Schema.Parser().parse(mySchema)
+    val record1 = testUtil.jsonToAvro(json1, mySchema)
+    val record2 = testUtil.jsonToAvro(json2, mySchema)
+    val record3 = testUtil.jsonToAvro(json3, mySchema)
+    val record4 = testUtil.jsonToAvro(json4, mySchema)
+    var writerPath = new File(this.getClass.getResource("/").getPath
+                              + "../../target/store/sdk_output/files3")
+      .getCanonicalPath
+    //getCanonicalPath gives path with \, but the code expects /.
+    writerPath = writerPath.replace("\\", "/")
+    try {
+      val writer = CarbonWriter.builder
+        .outputPath(writerPath)
+        .enableLocalDictionary(false)
+        .uniqueIdentifier(System.currentTimeMillis())
+        .withAvroInput(nn)
+        .writtenBy("GenerateFiles")
+        .build()
+      writer.write(record1)
+      writer.write(record2)
+      writer.write(record3)
+      writer.write(record4)
+      writer.close()
+    } catch {
+      case e: Exception =>
+        e.printStackTrace()
+        Assert.fail(e.getMessage)
+    }
+  }
+
+  object testUtil {
+
+    def jsonToAvro(json: String, avroSchema: String): GenericRecord = {
+      var input: InputStream = null
+      var writer: DataFileWriter[GenericRecord] = null
+      var encoder: Encoder = null
+      var output: ByteArrayOutputStream = null
+      try {
+        val schema = new org.apache.avro.Schema.Parser().parse(avroSchema)
+        val reader = new GenericDatumReader[GenericRecord](schema)
+        input = new ByteArrayInputStream(json.getBytes())
+        output = new ByteArrayOutputStream()
+        val din = new DataInputStream(input)
+        writer = new DataFileWriter[GenericRecord](new 
GenericDatumWriter[GenericRecord]())
+        writer.create(schema, output)
+        val decoder = DecoderFactory.get().jsonDecoder(schema, din)
+        var datum: GenericRecord = reader.read(null, decoder)
+        return datum
+      } finally {
+        input.close()
+        writer.close()
+      }
+    }
+
+    /**
+     * this method returns true if local dictionary is created for all the 
blocklets or not
+     *
+     * @return
+     */
+    def getDimRawChunk(blockindex: Int,
+        storePath: String): util.ArrayList[DimensionRawColumnChunk] = {
+      val dataFiles = FileFactory.getCarbonFile(storePath)
+        .listFiles(new CarbonFileFilter() {
+          override def accept(file: CarbonFile): Boolean = {
+            if (file.getName
+              .endsWith(CarbonCommonConstants.FACT_FILE_EXT)) {
+              true
+            } else {
+              false
+            }
+          }
+        })
+      val dimensionRawColumnChunks = read(dataFiles(0).getAbsolutePath,
+        blockindex)
+      dimensionRawColumnChunks
+    }
+
+    def read(filePath: String, blockIndex: Int) = {
+      val carbonDataFiles = new File(filePath)
+      val dimensionRawColumnChunks = new
+          util.ArrayList[DimensionRawColumnChunk]
+      val offset = carbonDataFiles.length
+      val converter = new DataFileFooterConverterV3
+      val fileReader = 
FileFactory.getFileHolder(FileFactory.getFileType(filePath))
+      val actualOffset = fileReader.readLong(carbonDataFiles.getAbsolutePath, 
offset - 8)
+      val blockInfo = new TableBlockInfo(carbonDataFiles.getAbsolutePath,
+        actualOffset,
+        "0",
+        new Array[String](0),
+        carbonDataFiles.length,
+        ColumnarFormatVersion.V3,
+        null)
+      val dataFileFooter = converter.readDataFileFooter(blockInfo)
+      val blockletList = dataFileFooter.getBlockletList.asScala
+      for (blockletInfo <- blockletList) {
+        val dimensionColumnChunkReader =
+          CarbonDataReaderFactory
+            .getInstance
+            .getDimensionColumnChunkReader(ColumnarFormatVersion.V3,
+              blockletInfo,
+              carbonDataFiles.getAbsolutePath,
+              false).asInstanceOf[DimensionChunkReaderV3]
+        dimensionRawColumnChunks
+          .add(dimensionColumnChunkReader.readRawDimensionChunk(fileReader, 
blockIndex))
+      }
+      dimensionRawColumnChunks
+    }
+
+    def validateDictionary(rawColumnPage: DimensionRawColumnChunk,
+        data: Array[String]): Boolean = {
+      val local_dictionary = rawColumnPage.getDataChunkV3.local_dictionary
+      if (null != local_dictionary) {
+        val compressorName = CarbonMetadataUtil.getCompressorNameFromChunkMeta(
+          rawColumnPage.getDataChunkV3.getData_chunk_list.get(0).getChunk_meta)
+        val encodings = local_dictionary.getDictionary_meta.encoders
+        val encoderMetas = local_dictionary.getDictionary_meta.getEncoder_meta
+        val encodingFactory = DefaultEncodingFactory.getInstance
+        val decoder = encodingFactory.createDecoder(encodings, encoderMetas, 
compressorName)
+        val dictionaryPage = decoder
+          .decode(local_dictionary.getDictionary_data,
+            0,
+            local_dictionary.getDictionary_data.length)
+        val dictionaryMap = new util.HashMap[DictionaryByteArrayWrapper, 
Integer]
+        val usedDictionaryValues = util.BitSet
+          .valueOf(CompressorFactory.getInstance.getCompressor(compressorName)
+            .unCompressByte(local_dictionary.getDictionary_values))
+        var index = 0
+        var i = usedDictionaryValues.nextSetBit(0)
+        while ( { i >= 0 }) {
+          dictionaryMap
+            .put(new DictionaryByteArrayWrapper(dictionaryPage.getBytes({ 
index += 1; index - 1 })),
+              i)
+          i = usedDictionaryValues.nextSetBit(i + 1)
+        }
+        for (i <- data.indices) {
+          if (null == dictionaryMap.get(new 
DictionaryByteArrayWrapper(data(i).getBytes))) {
+            return false
+          }
+        }
+        return true
+      }
+      false
+    }
+
+    def checkForLocalDictionary(dimensionRawColumnChunks: util

Review comment:
       same




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